{"pageNumber":"195","pageRowStart":"4850","pageSize":"25","recordCount":10466,"records":[{"id":70035091,"text":"70035091 - 2011 - Reply to Effect of concentration of organic matter on optical maturity parameters. Interlaboratory results of the organic matter concentration working group of the ICCP. Discussion by Vinay K. Sahay","interactions":[],"lastModifiedDate":"2021-03-01T20:38:56.545198","indexId":"70035091","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2033,"text":"International Journal of Coal Geology","active":true,"publicationSubtype":{"id":10}},"title":"Reply to Effect of concentration of organic matter on optical maturity parameters. Interlaboratory results of the organic matter concentration working group of the ICCP. Discussion by Vinay K. Sahay","docAbstract":"<p><span>This reply is motivated by Sahay's comments on the paper published by Mendonça Filho et al. (2010) dealing with the effect of concentration of an organic matter on optical maturity parameters. Four points were raised by Sahay: suggestion to use of chemical parameters to assess the effect of isolation, indication that suppression of&nbsp;vitrinite&nbsp;</span>reflectance<span>&nbsp;in liptinite-rich rocks was insufficiently addressed, discussion on the way to deal with the existence of multiple vitrinite populations in a dispersed organic matter, and contradictory explanation of results involving the influence of isolation procedure on fluorescence properties but no effect on vitrinite reflectance. The four points were separately addressed being the two first ones out of the scope of the paper. The existence of multiple vitrinite populations is a well-recognized problem whose importance in the results could be addressed because the participants provided individual records of vitrinite reflectance. These results indicated that election of different populations was not a major problem in the results. The influence of isolation procedure on the fluorescence spectra of&nbsp;alginite&nbsp;while the vitrinite reflectance remains unaltered is not considered contradictory because both parameters are measured on different components which may have a different response to the acid treatment.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.coal.2011.01.001","issn":"01665162","usgsCitation":"Mendonca Filho, J., Araujo, C., Borrego, A., Cook, A., Flores, D., Hackley, P.C., Hower, J., Kern, M., Kommeren, K., Kus, J., Mastalerz, M., Mendonca, J., Menezes, T., Newman, J., Ranasinghe, P., Souza, I., Suarez-Ruiz, I., and Ujiie, Y., 2011, Reply to Effect of concentration of organic matter on optical maturity parameters. Interlaboratory results of the organic matter concentration working group of the ICCP. Discussion by Vinay K. Sahay: International Journal of Coal Geology, v. 86, no. 2-3, p. 289-290, https://doi.org/10.1016/j.coal.2011.01.001.","productDescription":"2 p.","startPage":"289","endPage":"290","costCenters":[],"links":[{"id":243349,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215538,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.coal.2011.01.001"}],"volume":"86","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aa763e4b0c8380cd853b2","contributors":{"authors":[{"text":"Mendonca Filho, J.G.","contributorId":26128,"corporation":false,"usgs":true,"family":"Mendonca Filho","given":"J.G.","affiliations":[],"preferred":false,"id":449257,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Araujo, C.V.","contributorId":36738,"corporation":false,"usgs":true,"family":"Araujo","given":"C.V.","email":"","affiliations":[],"preferred":false,"id":449258,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Borrego, A.G.","contributorId":53583,"corporation":false,"usgs":true,"family":"Borrego","given":"A.G.","email":"","affiliations":[],"preferred":false,"id":449262,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cook, A.","contributorId":88174,"corporation":false,"usgs":true,"family":"Cook","given":"A.","affiliations":[],"preferred":false,"id":449265,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Flores, D.","contributorId":107915,"corporation":false,"usgs":true,"family":"Flores","given":"D.","email":"","affiliations":[],"preferred":false,"id":449269,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hackley, Paul C. 0000-0002-5957-2551 phackley@usgs.gov","orcid":"https://orcid.org/0000-0002-5957-2551","contributorId":592,"corporation":false,"usgs":true,"family":"Hackley","given":"Paul","email":"phackley@usgs.gov","middleInitial":"C.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true},{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":449254,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hower, J.C.","contributorId":100541,"corporation":false,"usgs":true,"family":"Hower","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":449268,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Kern, M.L.","contributorId":44378,"corporation":false,"usgs":true,"family":"Kern","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":449261,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kommeren, K.","contributorId":17062,"corporation":false,"usgs":true,"family":"Kommeren","given":"K.","email":"","affiliations":[],"preferred":false,"id":449255,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Kus, J.","contributorId":98523,"corporation":false,"usgs":true,"family":"Kus","given":"J.","email":"","affiliations":[],"preferred":false,"id":449267,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Mastalerz, Maria","contributorId":78065,"corporation":false,"usgs":true,"family":"Mastalerz","given":"Maria","affiliations":[],"preferred":false,"id":449263,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Mendonca, J.O.","contributorId":82148,"corporation":false,"usgs":true,"family":"Mendonca","given":"J.O.","email":"","affiliations":[],"preferred":false,"id":449264,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Menezes, T.R.","contributorId":23352,"corporation":false,"usgs":true,"family":"Menezes","given":"T.R.","affiliations":[],"preferred":false,"id":449256,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Newman, J.","contributorId":13764,"corporation":false,"usgs":true,"family":"Newman","given":"J.","email":"","affiliations":[],"preferred":false,"id":449253,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Ranasinghe, P.","contributorId":92477,"corporation":false,"usgs":true,"family":"Ranasinghe","given":"P.","affiliations":[],"preferred":false,"id":449266,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Souza, I.V.A.F.","contributorId":42804,"corporation":false,"usgs":true,"family":"Souza","given":"I.V.A.F.","email":"","affiliations":[],"preferred":false,"id":449260,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Suarez-Ruiz, I.","contributorId":10598,"corporation":false,"usgs":true,"family":"Suarez-Ruiz","given":"I.","affiliations":[],"preferred":false,"id":449252,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Ujiie, Y.","contributorId":42053,"corporation":false,"usgs":true,"family":"Ujiie","given":"Y.","email":"","affiliations":[],"preferred":false,"id":449259,"contributorType":{"id":1,"text":"Authors"},"rank":18}]}}
,{"id":70035088,"text":"70035088 - 2011 - Glacial flour dust storms in the Gulf of Alaska: hydrologic and meteorological controls and their importance as a source of bioavailable iron","interactions":[],"lastModifiedDate":"2018-05-02T21:30:12","indexId":"70035088","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Glacial flour dust storms in the Gulf of Alaska: hydrologic and meteorological controls and their importance as a source of bioavailable iron","docAbstract":"Iron is an essential micronutrient that limits primary productivity in much of the ocean, including the Gulf of Alaska (GoA). However, the processes that transport iron to the ocean surface are poorly quantified. We combine satellite and meteorological data to provide the first description of widespread dust transport from coastal Alaska into the GoA. Dust is frequently transported from glacially-derived sediment at the mouths of several rivers, the most prominent of which is the Copper River. These dust events occur most frequently in autumn, when coastal river levels are low and riverbed sediments are exposed. The dust plumes are transported several hundred kilometers beyond the continental shelf into iron-limited waters. We estimate the mass of dust transported from the Copper River valley during one 2006 dust event to be between 25–80 ktons. Based on conservative estimates, this equates to a soluble iron loading of 30–200 tons. We suggest the soluble Fe flux from dust originating in glaciofluvial sediment deposits from the entire GoA coastline is two to three times larger, and is comparable to the annual Fe flux to GoA surface waters from eddies of coastal origin. Given that glaciers are retreating in the coastal GoA region and in other locations, it is important to examine whether fluxes of dust are increasing from glacierized landscapes to the ocean, and to assess the impact of associated Fe on marine ecosystems.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Research Letters","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGU","doi":"10.1029/2010GL046573","issn":"00948276","usgsCitation":"Crusius, J., Schroth, A., Gasso, S., Moy, C., Levy, R., and Gatica, M., 2011, Glacial flour dust storms in the Gulf of Alaska: hydrologic and meteorological controls and their importance as a source of bioavailable iron: Geophysical Research Letters, v. 38, no. 6, L06602, https://doi.org/10.1029/2010GL046573.","productDescription":"L06602","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":487246,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2010gl046573","text":"Publisher Index Page"},{"id":243288,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215480,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2010GL046573"}],"otherGeospatial":"Gulf Of Alaska","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -170.5,47.0 ], [ -170.5,61.7 ], [ -123.6,61.7 ], [ -123.6,47.0 ], [ -170.5,47.0 ] ] ] } } ] }","volume":"38","issue":"6","noUsgsAuthors":false,"publicationDate":"2011-03-18","publicationStatus":"PW","scienceBaseUri":"505a2901e4b0c8380cd5a5dc","contributors":{"authors":[{"text":"Crusius, John 0000-0003-2554-0831 jcrusius@usgs.gov","orcid":"https://orcid.org/0000-0003-2554-0831","contributorId":2155,"corporation":false,"usgs":true,"family":"Crusius","given":"John","email":"jcrusius@usgs.gov","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":449237,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schroth, A.W.","contributorId":79707,"corporation":false,"usgs":true,"family":"Schroth","given":"A.W.","email":"","affiliations":[],"preferred":false,"id":449238,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gasso, S.","contributorId":28447,"corporation":false,"usgs":true,"family":"Gasso","given":"S.","affiliations":[],"preferred":false,"id":449236,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Moy, C.M.","contributorId":81328,"corporation":false,"usgs":true,"family":"Moy","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":449239,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Levy, R.C.","contributorId":11435,"corporation":false,"usgs":true,"family":"Levy","given":"R.C.","email":"","affiliations":[],"preferred":false,"id":449234,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gatica, M.","contributorId":24191,"corporation":false,"usgs":true,"family":"Gatica","given":"M.","affiliations":[],"preferred":false,"id":449235,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70035028,"text":"70035028 - 2011 - Enhanced transpiration by riparian buffer trees in response to advection in a humid temperate agricultural landscape","interactions":[],"lastModifiedDate":"2021-03-02T20:51:06.535692","indexId":"70035028","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1687,"text":"Forest Ecology and Management","active":true,"publicationSubtype":{"id":10}},"title":"Enhanced transpiration by riparian buffer trees in response to advection in a humid temperate agricultural landscape","docAbstract":"<p><span>Riparian buffers are designed as management practices to increase infiltration and reduce surface runoff and transport of sediment and nonpoint source pollutants from crop fields to adjacent streams. Achieving these ecosystem service goals depends, in part, on their ability to remove water from the soil via transpiration. In these systems, edges between crop fields and trees of the buffer systems can create advection processes, which could influence water use by trees. We conducted a field study in a riparian buffer system established in 1994 under a humid temperate climate, located in the Corn Belt region of the Midwestern U.S. (Iowa). The goals were to estimate stand level transpiration by the riparian buffer, quantify the controls on water use by the buffer system, and determine to what extent advective energy and tree position within the buffer system influence individual tree transpiration rates. We primarily focused on the water use response (determined with the Heat Ratio Method) of one of the dominant species (</span><i>Acer saccharinum</i><span>) and a subdominant (</span><i>Juglans nigra</i><span>). A few individuals of three additional species (</span><i>Quercus bicolor, Betula nigra, Platanus occidentalis</i><span>) were monitored over a shorter time period to assess the generality of responses. Meteorological stations were installed along a transect across the riparian buffer to determine the microclimate conditions. The differences found among individuals were attributed to differences in species sap velocities and sapwood depths, location relative to the forest edge and prevailing winds and canopy exposure and dominance. Sapflow rates for&nbsp;</span><i>A. saccharinum</i><span>&nbsp;trees growing at the SE edge (prevailing winds) were 39% greater than SE&nbsp;</span><i>interior</i><span>&nbsp;trees and 30% and 69% greater than NW&nbsp;</span><i>interior</i><span>&nbsp;and&nbsp;</span><i>edge</i><span>&nbsp;trees, respectively. No transpiration enhancement due to edge effect was detected in the subdominant&nbsp;</span><i>J. nigra</i><span>. The results were interpreted as indicative of advection effects from the surrounding crops. Further, significant differences were document in sapflow rates between the five study species, suggesting that selection of species is important for enhancing specific riparian buffer functions. However, more information is needed on water use patterns among diverse species growing under different climatic and biophysical conditions to assist policy and management decisions regarding effective buffer design.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.foreco.2011.01.027","issn":"03781127","usgsCitation":"Hernandez-Santana, V., Asbjornsen, H., Sauer, T., Isenhart, T., Schilling, K., and Schultz, R., 2011, Enhanced transpiration by riparian buffer trees in response to advection in a humid temperate agricultural landscape: Forest Ecology and Management, v. 261, no. 8, p. 1415-1427, https://doi.org/10.1016/j.foreco.2011.01.027.","productDescription":"13 p.","startPage":"1415","endPage":"1427","costCenters":[],"links":[{"id":475519,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://lib.dr.iastate.edu/nrem_pubs/176","text":"External Repository"},{"id":242886,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215111,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.foreco.2011.01.027"}],"volume":"261","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0970e4b0c8380cd51ef3","contributors":{"authors":[{"text":"Hernandez-Santana, V.","contributorId":90126,"corporation":false,"usgs":true,"family":"Hernandez-Santana","given":"V.","email":"","affiliations":[],"preferred":false,"id":448955,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Asbjornsen, H.","contributorId":86968,"corporation":false,"usgs":true,"family":"Asbjornsen","given":"H.","affiliations":[],"preferred":false,"id":448954,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sauer, T.","contributorId":43998,"corporation":false,"usgs":true,"family":"Sauer","given":"T.","email":"","affiliations":[],"preferred":false,"id":448953,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Isenhart, T.","contributorId":27691,"corporation":false,"usgs":true,"family":"Isenhart","given":"T.","affiliations":[],"preferred":false,"id":448952,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schilling, K.","contributorId":101423,"corporation":false,"usgs":true,"family":"Schilling","given":"K.","affiliations":[],"preferred":false,"id":448956,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Schultz, Ronald","contributorId":13815,"corporation":false,"usgs":false,"family":"Schultz","given":"Ronald","email":"","affiliations":[],"preferred":false,"id":448951,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70035025,"text":"70035025 - 2011 - Multimodel inference and adaptive management","interactions":[],"lastModifiedDate":"2018-01-12T12:07:22","indexId":"70035025","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2258,"text":"Journal of Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Multimodel inference and adaptive management","docAbstract":"<p><span>Ecology is an inherently complex science coping with correlated variables, nonlinear interactions and multiple scales of pattern and process, making it difficult for experiments to result in clear, strong inference. Natural resource managers, policy makers, and stakeholders rely on science to provide timely and accurate management recommendations. However, the time necessary to untangle the complexities of interactions within ecosystems is often far greater than the time available to make management decisions. One method of coping with this problem is multimodel inference. Multimodel inference assesses uncertainty by calculating likelihoods among multiple competing hypotheses, but multimodel inference results are often equivocal. Despite this, there may be pressure for ecologists to provide management recommendations regardless of the strength of their study&rsquo;s inference. We reviewed papers in the Journal of Wildlife Management (JWM) and the journal Conservation Biology (CB) to quantify the prevalence of multimodel inference approaches, the resulting inference (weak versus strong), and how authors dealt with the uncertainty. Thirty-eight percent and 14%, respectively, of articles in the JWM and CB used multimodel inference approaches. Strong inference was rarely observed, with only 7% of JWM and 20% of CB articles resulting in strong inference. We found the majority of weak inference papers in both journals (59%) gave specific management recommendations. Model selection uncertainty was ignored in most recommendations for management. We suggest that adaptive management is an ideal method to resolve uncertainty when research results in weak inference.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jenvman.2010.10.012","issn":"03014797","usgsCitation":"Rehme, S., Powell, L., and Allen, C.R., 2011, Multimodel inference and adaptive management: Journal of Environmental Management, v. 92, no. 5, p. 1360-1364, https://doi.org/10.1016/j.jenvman.2010.10.012.","startPage":"1360","endPage":"1364","numberOfPages":"5","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-021299","costCenters":[],"links":[{"id":215535,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.jenvman.2010.10.012"},{"id":243346,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"92","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6031e4b0c8380cd71363","contributors":{"authors":[{"text":"Rehme, S.E.","contributorId":9890,"corporation":false,"usgs":true,"family":"Rehme","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":448936,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Powell, L.A.","contributorId":51262,"corporation":false,"usgs":true,"family":"Powell","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":448937,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Allen, Craig R. 0000-0001-8655-8272 allencr@usgs.gov","orcid":"https://orcid.org/0000-0001-8655-8272","contributorId":1979,"corporation":false,"usgs":true,"family":"Allen","given":"Craig","email":"allencr@usgs.gov","middleInitial":"R.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":448938,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70035020,"text":"70035020 - 2011 - Balancing energy development and conservation: A method utilizing species distribution models","interactions":[],"lastModifiedDate":"2021-03-02T21:18:32.310832","indexId":"70035020","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1547,"text":"Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Balancing energy development and conservation: A method utilizing species distribution models","docAbstract":"<p><span>Alternative energy development is increasing, potentially leading to negative impacts on wildlife populations already stressed by other factors. Resource managers require a scientifically based methodology to balance energy development and species conservation, so we investigated modeling habitat suitability using Maximum Entropy to develop maps that could be used with other information to help site energy developments. We selected one species of concern, the Lesser Prairie-Chicken (LPCH;&nbsp;</span><i>Tympanuchus pallidicinctus</i><span>) found on the southern Great Plains of North America, as our case study. LPCH populations have been declining and are potentially further impacted by energy development. We used LPCH lek locations in the state of Kansas along with several environmental and anthropogenic parameters to develop models that predict the probability of lek occurrence across the landscape. The models all performed well as indicated by the high test area under the curve (AUC) scores (all &gt;0.9). The inclusion of anthropogenic parameters in models resulted in slightly better performance based on AUC values, indicating that anthropogenic features may impact LPCH lek habitat suitability. Given the positive model results, this methodology may provide additional guidance in designing future survey protocols, as well as siting of energy development in areas of marginal or unsuitable habitat for species of concern. This technique could help to standardize and quantify the impacts various developments have upon at-risk species.</span></p>","language":"English","publisher":"Springer Link","doi":"10.1007/s00267-011-9651-2","issn":"0364152X","usgsCitation":"Jarnevich, C.S., and Laubhan, M., 2011, Balancing energy development and conservation: A method utilizing species distribution models: Environmental Management, v. 47, no. 5, p. 926-936, https://doi.org/10.1007/s00267-011-9651-2.","productDescription":"11 p.","startPage":"926","endPage":"936","costCenters":[],"links":[{"id":243283,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215475,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s00267-011-9651-2"}],"volume":"47","issue":"5","noUsgsAuthors":false,"publicationDate":"2011-03-13","publicationStatus":"PW","scienceBaseUri":"5059efa9e4b0c8380cd4a3ae","contributors":{"authors":[{"text":"Jarnevich, Catherine S. 0000-0002-9699-2336 jarnevichc@usgs.gov","orcid":"https://orcid.org/0000-0002-9699-2336","contributorId":3424,"corporation":false,"usgs":true,"family":"Jarnevich","given":"Catherine","email":"jarnevichc@usgs.gov","middleInitial":"S.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":448911,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Laubhan, M.K.","contributorId":40542,"corporation":false,"usgs":true,"family":"Laubhan","given":"M.K.","email":"","affiliations":[],"preferred":false,"id":448910,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70034934,"text":"70034934 - 2011 - Study design and sampling intensity for demographic analyses of bear populations","interactions":[],"lastModifiedDate":"2012-03-12T17:21:42","indexId":"70034934","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3671,"text":"Ursus","active":true,"publicationSubtype":{"id":10}},"title":"Study design and sampling intensity for demographic analyses of bear populations","docAbstract":"The rate of population change through time (??) is a fundamental element of a wildlife population's conservation status, yet estimating it with acceptable precision for bears is difficult. For studies that follow known (usually marked) bears, ?? can be estimated during some defined time by applying either life-table or matrix projection methods to estimates of individual vital rates. Usually however, confidence intervals surrounding the estimate are broader than one would like. Using an estimator suggested by Doak et al. (2005), we explored the precision to be expected in ?? from demographic analyses of typical grizzly (Ursus arctos) and American black (U. americanus) bear data sets. We also evaluated some trade-offs among vital rates in sampling strategies. Confidence intervals around ?? were more sensitive to adding to the duration of a short (e.g., 3 yrs) than a long (e.g., 10 yrs) study, and more sensitive to adding additional bears to studies with small (e.g., 10 adult females/yr) than large (e.g., 30 adult females/yr) sample sizes. Confidence intervals of ?? projected using process-only variance of vital rates were only slightly smaller than those projected using total variances of vital rates. Under sampling constraints typical of most bear studies, it may be more efficient to invest additional resources into monitoring recruitment and juvenile survival rates of females already a part of the study, than to simply increase the sample size of study females. ?? 2011 International Association for Bear Research and Management.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ursus","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.2192/URSUS-D-10-00028.1","issn":"15376176","usgsCitation":"Harris, R., Schwartz, C., Mace, R., and Haroldson, M., 2011, Study design and sampling intensity for demographic analyses of bear populations: Ursus, v. 22, no. 1, p. 24-36, https://doi.org/10.2192/URSUS-D-10-00028.1.","startPage":"24","endPage":"36","numberOfPages":"13","costCenters":[],"links":[{"id":215970,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2192/URSUS-D-10-00028.1"},{"id":243807,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9ccde4b08c986b31d4c6","contributors":{"authors":[{"text":"Harris, R.B.","contributorId":102271,"corporation":false,"usgs":true,"family":"Harris","given":"R.B.","email":"","affiliations":[],"preferred":false,"id":448388,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schwartz, C.C.","contributorId":33658,"corporation":false,"usgs":true,"family":"Schwartz","given":"C.C.","email":"","affiliations":[],"preferred":false,"id":448387,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mace, R.D.","contributorId":103881,"corporation":false,"usgs":true,"family":"Mace","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":448389,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haroldson, M.A. 0000-0002-7457-7676","orcid":"https://orcid.org/0000-0002-7457-7676","contributorId":108047,"corporation":false,"usgs":true,"family":"Haroldson","given":"M.A.","affiliations":[],"preferred":false,"id":448390,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034932,"text":"70034932 - 2011 - Enhancement of long period components of recorded and synthetic ground motions using InSAR","interactions":[],"lastModifiedDate":"2021-03-08T19:45:19.604672","indexId":"70034932","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3418,"text":"Soil Dynamics and Earthquake Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Enhancement of long period components of recorded and synthetic ground motions using InSAR","docAbstract":"<p id=\"sp0080\">Tall buildings and flexible structures require a better characterization of long period ground motion spectra than the one provided by current seismic building codes. Motivated by that, a methodology is proposed and tested to improve recorded and synthetic ground motions which are consistent with the observed co-seismic displacement field obtained from interferometric synthetic aperture radar (InSAR) analysis of image data for the Tocopilla 2007 earthquake (<i>M</i><sub><i>w</i></sub>=7.7) in Northern Chile. A methodology is proposed to correct the observed motions such that, after double integration, they are coherent with the local value of the residual displacement. Synthetic records are generated by using a stochastic finite-fault model coupled with a long period pulse to capture the long period fling effect.</p><p id=\"sp0085\">It is observed that the proposed co-seismic correction yields records with more accurate long-period spectral components as compared with regular correction schemes such as acausal filtering. These signals provide an estimate for the velocity and displacement spectra, which are essential for tall-building design. Furthermore, hints are provided as to the shape of long-period spectra for seismic zones prone to large co-seismic displacements such as the Nazca-South American zone.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.soildyn.2011.01.005","issn":"02677261","usgsCitation":"Abell, J., Carlos de la Llera, J., and Wicks, C.W., 2011, Enhancement of long period components of recorded and synthetic ground motions using InSAR: Soil Dynamics and Earthquake Engineering, v. 31, no. 5-6, p. 817-829, https://doi.org/10.1016/j.soildyn.2011.01.005.","productDescription":"13 p.","startPage":"817","endPage":"829","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":489010,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://americanae.aecid.es/americanae/es/registros/registro.do?tipoRegistro=MTD&idBib=3298447","text":"External Repository"},{"id":243776,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215939,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.soildyn.2011.01.005"}],"country":"Chile","otherGeospatial":"Tocopilla","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.224365234375,\n              -24.226928664976363\n            ],\n            [\n              -68.631591796875,\n              -24.226928664976363\n            ],\n            [\n              -68.631591796875,\n              -20.910134481692673\n            ],\n            [\n              -71.224365234375,\n              -20.910134481692673\n            ],\n            [\n              -71.224365234375,\n              -24.226928664976363\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"31","issue":"5-6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0973e4b0c8380cd51f0a","contributors":{"authors":[{"text":"Abell, J.A.","contributorId":30068,"corporation":false,"usgs":true,"family":"Abell","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":448384,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carlos de la Llera, J.","contributorId":94521,"corporation":false,"usgs":true,"family":"Carlos de la Llera","given":"J.","email":"","affiliations":[],"preferred":false,"id":448385,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wicks, Charles W. Jr. 0000-0002-0809-1328 cwicks@usgs.gov","orcid":"https://orcid.org/0000-0002-0809-1328","contributorId":127701,"corporation":false,"usgs":true,"family":"Wicks","given":"Charles","suffix":"Jr.","email":"cwicks@usgs.gov","middleInitial":"W.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":448383,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034868,"text":"70034868 - 2011 - Reconciling multiple data sources to improve accuracy of large-scale prediction of forest disease incidence","interactions":[],"lastModifiedDate":"2021-03-10T12:57:46.160131","indexId":"70034868","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Reconciling multiple data sources to improve accuracy of large-scale prediction of forest disease incidence","docAbstract":"<p><span>Ecological spatial data often come from multiple sources, varying in extent and accuracy. We describe a general approach to reconciling such data sets through the use of the Bayesian hierarchical framework. This approach provides a way for the data sets to borrow strength from one another while allowing for inference on the underlying ecological process. We apply this approach to study the incidence of eastern spruce dwarf mistletoe (</span><i>Arceuthobium pusillum</i><span>) in Minnesota black spruce (</span><i>Picea mariana</i><span>). A Minnesota Department of Natural Resources operational inventory of black spruce stands in northern Minnesota found mistletoe in 11% of surveyed stands, while a small, specific‐pest survey found mistletoe in 56% of the surveyed stands. We reconcile these two surveys within a Bayesian hierarchical framework and predict that 35–59% of black spruce stands in northern Minnesota are infested with dwarf mistletoe.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.1890/09-1549.1","issn":"10510761","usgsCitation":"Hanks, E., Hooten, M., and Baker, F., 2011, Reconciling multiple data sources to improve accuracy of large-scale prediction of forest disease incidence: Ecological Applications, v. 21, no. 4, p. 1173-1188, https://doi.org/10.1890/09-1549.1.","productDescription":"16 p.","startPage":"1173","endPage":"1188","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":243802,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -97.20703125,\n              48.99463598353405\n            ],\n            [\n              -96.92138671875,\n              47.517200697839414\n            ],\n            [\n              -96.767578125,\n              46.31658418182218\n            ],\n            [\n              -92.17529296875,\n              46.08847179577592\n            ],\n            [\n              -92.1533203125,\n              46.694667307773116\n            ],\n            [\n              -90.81298828125,\n              47.56170075451973\n            ],\n            [\n              -89.56054687499999,\n              47.81315451752768\n            ],\n            [\n              -91.0546875,\n              48.40003249610685\n            ],\n            [\n              -94.482421875,\n              48.980216985374994\n            ],\n            [\n              -95.2734375,\n              49.49667452747045\n            ],\n            [\n              -97.20703125,\n              48.99463598353405\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"21","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a96a0e4b0c8380cd820de","contributors":{"authors":[{"text":"Hanks, E.M.","contributorId":104305,"corporation":false,"usgs":true,"family":"Hanks","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":448073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hooten, Mevin 0000-0002-1614-723X mhooten@usgs.gov","orcid":"https://orcid.org/0000-0002-1614-723X","contributorId":2958,"corporation":false,"usgs":true,"family":"Hooten","given":"Mevin","email":"mhooten@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":12963,"text":"Colorado Cooperative Fish and Wildlife Research Unit, Fort Collins, CO","active":true,"usgs":false}],"preferred":true,"id":448071,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Baker, F.A.","contributorId":103894,"corporation":false,"usgs":true,"family":"Baker","given":"F.A.","email":"","affiliations":[],"preferred":false,"id":448072,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034846,"text":"70034846 - 2011 - Stationarity: Wanted dead or alive?","interactions":[],"lastModifiedDate":"2021-03-10T20:24:42.329471","indexId":"70034846","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"Stationarity: Wanted dead or alive?","docAbstract":"<p><span>Aligning engineering practice with natural process behavior would appear, on its face, to be a prudent and reasonable course of action. However, if we do not understand the long‐term characteristics of hydroclimatic processes, how does one find the prudent and reasonable course needed for water management? We consider this question in light of three aspects of existing and unresolved issues affecting hydroclimatic variability and statistical inference: Hurst‐Kolmogorov phenomena; the complications long‐term persistence introduces with respect to statistical understanding; and the dependence of process understanding on arbitrary sampling choices. These problems are not easily addressed. In such circumstances, humility may be more important than physics; a simple model with well‐understood flaws may be preferable to a sophisticated model whose correspondence to reality is uncertain.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1752-1688.2011.00542.x","issn":"1093474X","usgsCitation":"Lins, H.F., and Cohn, T., 2011, Stationarity: Wanted dead or alive?: Journal of the American Water Resources Association, v. 47, no. 3, p. 475-480, https://doi.org/10.1111/j.1752-1688.2011.00542.x.","productDescription":"6 p.","startPage":"475","endPage":"480","costCenters":[{"id":502,"text":"Office of Surface Water","active":true,"usgs":true}],"links":[{"id":243426,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215612,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1752-1688.2011.00542.x"}],"volume":"47","issue":"3","noUsgsAuthors":false,"publicationDate":"2011-06-01","publicationStatus":"PW","scienceBaseUri":"505b96fde4b08c986b31b806","contributors":{"authors":[{"text":"Lins, Harry F. 0000-0001-5385-9247 hlins@usgs.gov","orcid":"https://orcid.org/0000-0001-5385-9247","contributorId":1505,"corporation":false,"usgs":true,"family":"Lins","given":"Harry","email":"hlins@usgs.gov","middleInitial":"F.","affiliations":[{"id":502,"text":"Office of Surface Water","active":true,"usgs":true}],"preferred":true,"id":447906,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cohn, Timothy A. tacohn@usgs.gov","contributorId":2927,"corporation":false,"usgs":true,"family":"Cohn","given":"Timothy A.","email":"tacohn@usgs.gov","affiliations":[{"id":502,"text":"Office of Surface Water","active":true,"usgs":true}],"preferred":true,"id":447907,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70034843,"text":"70034843 - 2011 - Genetic diversity and demographic instability in Riftia pachyptila tubeworms from eastern Pacific hydrothermal vents","interactions":[],"lastModifiedDate":"2021-03-10T20:58:34.18535","indexId":"70034843","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":955,"text":"BMC Evolutionary Biology","active":true,"publicationSubtype":{"id":10}},"title":"Genetic diversity and demographic instability in Riftia pachyptila tubeworms from eastern Pacific hydrothermal vents","docAbstract":"<p>Deep-sea hydrothermal vent animals occupy patchy and ephemeral habitats supported by chemosynthetic primary production. Volcanic and tectonic activities controlling the turnover of these habitats contribute to demographic instability that erodes genetic variation within and among colonies of these animals. We examined DNA sequences from one mitochondrial and three nuclear gene loci to assess genetic diversity in the siboglinid tubeworm,<span>&nbsp;</span><i>Riftia pachyptila</i>, a widely distributed constituent of vents along the East Pacific Rise and Galápagos Rift.</p><p>Genetic differentiation (<i>F</i><sub><span>&nbsp;</span><i>ST</i><span>&nbsp;</span></sub>) among populations increased with geographical distances, as expected under a linear stepping-stone model of dispersal. Low levels of DNA sequence diversity occurred at all four loci, allowing us to exclude the hypothesis that an idiosyncratic selective sweep eliminated mitochondrial diversity alone. Total gene diversity declined with tectonic spreading rates. The southernmost populations, which are subjected to superfast spreading rates and high probabilities of extinction, are relatively homogenous genetically.</p><p>Compared to other vent species, DNA sequence diversity is extremely low in<span>&nbsp;</span><i>R. pachyptila</i>. Though its dispersal abilities appear to be effective, the low diversity, particularly in southern hemisphere populations, is consistent with frequent local extinction and (re)colonization events</p>","language":"English","publisher":"BioMed Central","doi":"10.1186/1471-2148-11-96","issn":"14712148","usgsCitation":"Coykendall, D., Johnson, S., Karl, S., Lutz, R., and Vrijenhoek, R., 2011, Genetic diversity and demographic instability in Riftia pachyptila tubeworms from eastern Pacific hydrothermal vents: BMC Evolutionary Biology, v. 11, no. 1, 11 p., https://doi.org/10.1186/1471-2148-11-96.","productDescription":"11 p.","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":475067,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1186/1471-2148-11-96","text":"Publisher Index Page"},{"id":243863,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":216024,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1186/1471-2148-11-96"}],"otherGeospatial":"Eastern Pacific Ocean","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -112.8515625,\n              27.68352808378776\n            ],\n            [\n              -109.6875,\n              21.94304553343818\n            ],\n            [\n              -109.3359375,\n              11.523087506868514\n            ],\n            [\n              -103.71093749999999,\n              -46.55886030311717\n            ],\n            [\n              -86.1328125,\n              -47.27922900257082\n            ],\n            [\n              -92.46093749999999,\n              0\n            ],\n            [\n              -98.4375,\n              13.581920900545844\n            ],\n            [\n              -111.09374999999999,\n              28.92163128242129\n            ],\n            [\n              -112.8515625,\n              27.68352808378776\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"11","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-04-13","publicationStatus":"PW","scienceBaseUri":"505a1572e4b0c8380cd54dfe","contributors":{"authors":[{"text":"Coykendall, Dolly","contributorId":215163,"corporation":false,"usgs":true,"family":"Coykendall","given":"Dolly","email":"","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":447896,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, S.B.","contributorId":80894,"corporation":false,"usgs":true,"family":"Johnson","given":"S.B.","email":"","affiliations":[],"preferred":false,"id":447898,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karl, S.A.","contributorId":6281,"corporation":false,"usgs":true,"family":"Karl","given":"S.A.","email":"","affiliations":[],"preferred":false,"id":447894,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lutz, R.A.","contributorId":30388,"corporation":false,"usgs":true,"family":"Lutz","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":447895,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Vrijenhoek, R.C.","contributorId":68132,"corporation":false,"usgs":true,"family":"Vrijenhoek","given":"R.C.","affiliations":[],"preferred":false,"id":447897,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70034792,"text":"70034792 - 2011 - Low strength of deep San Andreas fault gouge from SAFOD core","interactions":[],"lastModifiedDate":"2022-08-29T15:00:46.14478","indexId":"70034792","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Low strength of deep San Andreas fault gouge from SAFOD core","docAbstract":"<p><span>The San Andreas fault accommodates 28–34 mm yr</span><sup>−1</sup><span>&nbsp;of right lateral motion of the Pacific crustal plate northwestward past the North American plate. In California, the fault is composed of two distinct locked segments that have produced great earthquakes in historical times, separated by a 150-km-long creeping zone. The San Andreas Fault Observatory at Depth (SAFOD) is a scientific borehole located northwest of Parkfield, California, near the southern end of the creeping zone. Core was recovered from across the actively deforming San Andreas fault at a vertical depth of 2.7 km (ref.&nbsp;</span>1<span>). Here we report laboratory strength measurements of these fault core materials at&nbsp;</span><i>in situ</i><span>&nbsp;conditions, demonstrating that at this locality and this depth the San Andreas fault is profoundly weak (coefficient of friction, 0.15) owing to the presence of the smectite clay mineral saponite, which is one of the weakest phyllosilicates known. This Mg-rich clay is the low-temperature product of metasomatic reactions between the quartzofeldspathic wall rocks and serpentinite blocks in the fault</span><sup>2,3</sup><span>. These findings provide strong evidence that deformation of the mechanically unusual creeping portions of the San Andreas fault system is controlled by the presence of weak minerals rather than by high fluid pressure or other proposed mechanisms</span><sup>1</sup><span>. The combination of these measurements of fault core strength with borehole observations</span><sup>1,4,5</sup><span>&nbsp;yields a self-consistent picture of the stress state of the San Andreas fault at the SAFOD site, in which the fault is intrinsically weak in an otherwise strong crust.</span></p>","language":"English","publisher":"Springer Nature","doi":"10.1038/nature09927","usgsCitation":"Lockner, D.A., Morrow, C.A., Moore, D.E., and Hickman, S.H., 2011, Low strength of deep San Andreas fault gouge from SAFOD core: Nature, v. 472, no. 7341, p. 82-86, https://doi.org/10.1038/nature09927.","productDescription":"5 p.","startPage":"82","endPage":"86","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":243490,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Andreas Fault","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -120.2947998046875,\n              34.77771580360469\n            ],\n            [\n              -118.970947265625,\n              34.77771580360469\n            ],\n            [\n              -118.970947265625,\n              35.639441068973944\n            ],\n            [\n              -120.2947998046875,\n              35.639441068973944\n            ],\n            [\n              -120.2947998046875,\n              34.77771580360469\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"472","issue":"7341","noUsgsAuthors":false,"publicationDate":"2011-03-23","publicationStatus":"PW","scienceBaseUri":"505a4a0de4b0c8380cd68abb","contributors":{"authors":[{"text":"Lockner, David A. 0000-0001-8630-6833 dlockner@usgs.gov","orcid":"https://orcid.org/0000-0001-8630-6833","contributorId":567,"corporation":false,"usgs":true,"family":"Lockner","given":"David","email":"dlockner@usgs.gov","middleInitial":"A.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":447641,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morrow, Carolyn A. 0000-0003-3500-6181 cmorrow@usgs.gov","orcid":"https://orcid.org/0000-0003-3500-6181","contributorId":3206,"corporation":false,"usgs":true,"family":"Morrow","given":"Carolyn","email":"cmorrow@usgs.gov","middleInitial":"A.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":447639,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Moore, Diane E. 0000-0002-8641-1075 dmoore@usgs.gov","orcid":"https://orcid.org/0000-0002-8641-1075","contributorId":2704,"corporation":false,"usgs":true,"family":"Moore","given":"Diane","email":"dmoore@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":447642,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hickman, Stephen H. 0000-0003-2075-9615 hickman@usgs.gov","orcid":"https://orcid.org/0000-0003-2075-9615","contributorId":2705,"corporation":false,"usgs":true,"family":"Hickman","given":"Stephen","email":"hickman@usgs.gov","middleInitial":"H.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":447640,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034789,"text":"70034789 - 2011 - Dual-track CCS stakeholder engagement: Lessons learned from FutureGen in Illinois","interactions":[],"lastModifiedDate":"2021-04-15T11:41:27.326977","indexId":"70034789","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5215,"text":"Energy Procedia","onlineIssn":"1876-6102","active":true,"publicationSubtype":{"id":10}},"title":"Dual-track CCS stakeholder engagement: Lessons learned from FutureGen in Illinois","docAbstract":"<p><span>FutureGen, as originally planned, was to be the world’s first coal-fueled, near-zero emissions power plant with fully integrated, 90% carbon capture and storage (CCS). From conception through siting and design, it enjoyed strong support from multiple stakeholder groups, which benefited the overall project. Understanding the stakeholder engagement process for this project provides valuable insights into the design of stakeholder programs for future CCS projects. FutureGen is one of few projects worldwide that used open competition for siting both the power plant and storage reservoir. Most site proposals were coordinated by State governments. It was unique in this and other respects relative to the site selection method used on other DOE-supported projects. At the time of site selection, FutureGen was the largest proposed facility designed to combine an integrated gasification combined cycle (IGCC) coal-fueled power plant with a CCS system. Stakeholder engagement by states and the industry consortium responsible for siting, designing, building, and operating the facility took place simultaneously and on parallel tracks. On one track were states spearheading state-wide site assessments to identify candidate sites that they wanted to propose for consideration. On the other track was a public-private partnership between an industry consortium of thirteen coal companies and electric utilities that comprised the FutureGen Alliance (Alliance) and the U.S. Department of Energy (DOE). The partnership was based on a cooperative agreement signed by both parties, which assigned the lead for siting to the Alliance. This paper describes the stakeholder engagement strategies used on both of these tracks and provides examples from the engagement process using the Illinois semi-finalist sites.</span></p>","language":"English","publisher":"elsevier","doi":"10.1016/j.egypro.2011.02.634","issn":"18766102","usgsCitation":"Hund, G., and Greenberg, S., 2011, Dual-track CCS stakeholder engagement: Lessons learned from FutureGen in Illinois: Energy Procedia, v. 4, p. 6218-6225, https://doi.org/10.1016/j.egypro.2011.02.634.","productDescription":"8 p.","startPage":"6218","endPage":"6225","costCenters":[],"links":[{"id":475375,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.egypro.2011.02.634","text":"Publisher Index Page"},{"id":243454,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0408e4b0c8380cd50758","contributors":{"authors":[{"text":"Hund, G.","contributorId":34349,"corporation":false,"usgs":true,"family":"Hund","given":"G.","email":"","affiliations":[],"preferred":false,"id":447624,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Greenberg, S.E.","contributorId":56441,"corporation":false,"usgs":true,"family":"Greenberg","given":"S.E.","email":"","affiliations":[],"preferred":false,"id":447625,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70034786,"text":"70034786 - 2011 - Microbial consortia of gorgonian corals from the Aleutian islands","interactions":[],"lastModifiedDate":"2021-02-04T20:25:40.700547","indexId":"70034786","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1619,"text":"FEMS Microbiology Ecology","onlineIssn":"1574-6941","printIssn":"0168-6496","active":true,"publicationSubtype":{"id":10}},"title":"Microbial consortia of gorgonian corals from the Aleutian islands","docAbstract":"<p><span>Gorgonians make up the majority of corals in the Aleutian archipelago and provide critical fish habitat in areas of economically important fisheries. The microbial ecology of the deep-sea gorgonian corals&nbsp;</span><i>Paragorgea arborea, Plumarella superba</i><span>, and&nbsp;</span><i>Cryogorgia koolsae</i><span>&nbsp;was examined with culture-based and 16S rRNA gene-based techniques. Six coral colonies (two per species) were collected. Samples from all corals were cultured, and clone libraries were constructed from&nbsp;</span><i>P. superba</i><span>&nbsp;and&nbsp;</span><i>C. koolsae</i><span>. Cultured bacteria were dominated by the&nbsp;</span><i>Gammaproteobacteria</i><span>, especially&nbsp;</span><i>Vibrionaceae</i><span>, with other phyla comprising &lt;6% of the isolates. The clone libraries showed dramatically different bacterial communities between corals of the same species collected at different sites, with no clear pattern of conserved bacterial consortia. Two of the clone libraries (one from each coral species) were dominated by&nbsp;</span><i>Tenericutes</i><span>, with&nbsp;</span><i>Alphaproteobacteria</i><span>&nbsp;dominating the remaining sequences. The other libraries were more diverse and had a more even distribution of bacterial phyla, showing more similarity between genera than within coral species. Here we report the first microbiological characterization of&nbsp;</span><i>P. arborea, P. superba</i><span>, and&nbsp;</span><i>C. koolsae</i><span>.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1111/j.1574-6941.2010.01033.x","usgsCitation":"Gray, M., Stone, R.P., McLaughlin, M.R., and Kellogg, C.A., 2011, Microbial consortia of gorgonian corals from the Aleutian islands: FEMS Microbiology Ecology, v. 76, no. 1, p. 109-120, https://doi.org/10.1111/j.1574-6941.2010.01033.x.","productDescription":"12 p.","startPage":"109","endPage":"120","numberOfPages":"12","ipdsId":"IP-021472","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":475127,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1574-6941.2010.01033.x","text":"Publisher Index Page"},{"id":243388,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Aleutian Islands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -151.875,\n              57.20771009775018\n            ],\n            [\n              -158.466796875,\n              58.69977573144006\n            ],\n            [\n              -173.32031249999997,\n              53.98193516209167\n            ],\n            [\n              -179.12109374999997,\n              52.10650519075632\n            ],\n            [\n              -178.41796874999997,\n              50.819818262156545\n            ],\n            [\n              -158.37890625,\n              54.13669645687002\n            ],\n            [\n              -151.875,\n              57.20771009775018\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"76","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-01-19","publicationStatus":"PW","scienceBaseUri":"505a5647e4b0c8380cd6d4a7","contributors":{"authors":[{"text":"Gray, Michael A.","contributorId":20135,"corporation":false,"usgs":true,"family":"Gray","given":"Michael A.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":447616,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stone, Robert P.","contributorId":190569,"corporation":false,"usgs":false,"family":"Stone","given":"Robert","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":447614,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McLaughlin, Molly R. 0000-0001-6962-6392 mmclaughlin@usgs.gov","orcid":"https://orcid.org/0000-0001-6962-6392","contributorId":4089,"corporation":false,"usgs":true,"family":"McLaughlin","given":"Molly","email":"mmclaughlin@usgs.gov","middleInitial":"R.","affiliations":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":447617,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kellogg, Christina A. 0000-0002-6492-9455 ckellogg@usgs.gov","orcid":"https://orcid.org/0000-0002-6492-9455","contributorId":391,"corporation":false,"usgs":true,"family":"Kellogg","given":"Christina","email":"ckellogg@usgs.gov","middleInitial":"A.","affiliations":[{"id":506,"text":"Office of the AD Ecosystems","active":true,"usgs":true},{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":447615,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034781,"text":"70034781 - 2011 - Recent storm and tsunami coarse-clast deposit characteristics, southeast Hawai'i","interactions":[],"lastModifiedDate":"2013-06-14T14:01:04","indexId":"70034781","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2667,"text":"Marine Geology","active":true,"publicationSubtype":{"id":10}},"title":"Recent storm and tsunami coarse-clast deposit characteristics, southeast Hawai'i","docAbstract":"Deposits formed by extreme waves can be useful in elucidating the type and characteristics of the depositional event. The study area on the southeast coast of the island of Hawaiʻi is characterized by the presence of geologically young basalts of known age that are mantled by recent wave-derived sedimentary deposits. The area has been impacted by large swells, storms and tsunamis over the last century, and in combination with known substrate ages makes this an ideal location to study recent deposits produced by such events.  Three distinct coarse-clast deposit assemblages can be recognized based on clast size, composition, angularity, orientation, packing, elevation and inland distance of the deposit. These deposits are characterized as one of three types. 1) Gravel fields of isolated clasts, primarily boulder-size material, and scattered pockets of concentrated sand and gravel in topographic lows. 2) Shore-parallel and cuspate ridges composed mostly of rounded basalt gravel and sand with small amounts of carbonate detritus. The ridges range in height from about 1 to 3 m and are 10s of m wide. 3) Cliff-top deposits of scattered angular and sub-angular clasts along sea cliffs that are generally greater than 5 m elevation. The gravel fields are primarily of tsunami origin from either the 1975 Kalapana event, or a combination of the 1975 tsunami, and 1868 tsunami or earlier events. The ridge deposits are presently active and sediment continues to be added during high wave events. The cliff-top deposits contain evidence of deposition by both tsunami and storm processes and require further investigation.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Marine Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.margeo.2010.08.001","issn":"00253227","usgsCitation":"Richmond, B.M., Watt, S., Buckley, M., Jaffe, B.E., Gelfenbaum, G., and Morton, R., 2011, Recent storm and tsunami coarse-clast deposit characteristics, southeast Hawai'i: Marine Geology, v. 283, no. 1-4, p. 79-89, https://doi.org/10.1016/j.margeo.2010.08.001.","productDescription":"11 p.","startPage":"79","endPage":"89","costCenters":[{"id":528,"text":"Pacific Science Center","active":false,"usgs":true}],"links":[{"id":487791,"rank":10000,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1016/j.margeo.2010.08.001","text":"External Repository"},{"id":215988,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.margeo.2010.08.001"},{"id":243827,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawai'i","otherGeospatial":"Hawai?i","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -155.23,19.23 ], [ -155.23,19.3 ], [ -155.13,19.3 ], [ -155.13,19.23 ], [ -155.23,19.23 ] ] ] } } ] }","volume":"283","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a964ee4b0c8380cd81efa","contributors":{"authors":[{"text":"Richmond, B. M.","contributorId":67902,"corporation":false,"usgs":true,"family":"Richmond","given":"B.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":447578,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Watt, Sebastian","contributorId":48402,"corporation":false,"usgs":true,"family":"Watt","given":"Sebastian","email":"","affiliations":[],"preferred":false,"id":447576,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Buckley, M.","contributorId":88178,"corporation":false,"usgs":true,"family":"Buckley","given":"M.","email":"","affiliations":[],"preferred":false,"id":447580,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jaffe, B. E.","contributorId":88327,"corporation":false,"usgs":true,"family":"Jaffe","given":"B.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":447581,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gelfenbaum, G.","contributorId":72429,"corporation":false,"usgs":true,"family":"Gelfenbaum","given":"G.","email":"","affiliations":[],"preferred":false,"id":447579,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Morton, R.A.","contributorId":53849,"corporation":false,"usgs":true,"family":"Morton","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":447577,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70034760,"text":"70034760 - 2011 - Sequence stratigraphy and a revised sea-level curve for the Middle Devonian of eastern North America","interactions":[],"lastModifiedDate":"2021-03-16T12:02:56.254942","indexId":"70034760","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2996,"text":"Palaeogeography, Palaeoclimatology, Palaeoecology","printIssn":"0031-0182","active":true,"publicationSubtype":{"id":10}},"title":"Sequence stratigraphy and a revised sea-level curve for the Middle Devonian of eastern North America","docAbstract":"<p><span>The well-exposed Middle Devonian rocks of the Appalachian foreland basin (Onondaga Formation; Hamilton Group, Tully Formation, and the Genesee Group of New York State) preserve one of the most detailed records of high-order sea-level oscillation cycles for this time period in the world. Detailed examination of coeval units in distal areas of the Appalachian Basin, as well as portions of the Michigan and Illinois basins, has revealed that the pattern of high-order sea-level oscillations documented in the New York–Pennsylvania section can be positively identified in all areas of eastern North America where coeval units are preserved. The persistence of the pattern of high-order sea-level cycles across such a wide geographic area suggests that these cycles are allocyclic in nature with primary control on deposition being eustatic sea-level oscillation, as opposed to autocylic controls, such as sediment supply, which would be more local in their manifestation. There is strong evidence from studies of cyclicity and spectral analysis that these cycles are also related to Milankovitch orbital variations, with the short and long-term eccentricity cycles (100</span><span>&nbsp;</span><span>kyr and 405</span><span>&nbsp;</span><span>kyr) being the dominant oscillations in many settings. Relative sea-level oscillations of tens of meters are likely and raise considerable issues about the driving mechanism, given that the Middle Devonian appears to record a greenhouse phase of Phanerozoic history. These new correlations lend strong support to a revised high-resolution sea-level oscillation curve for the Middle Devonian for the eastern portion of North America. Recognized third-order sequences are: Eif-1 lower Onondaga Formation, Eif-2: upper Onondaga and Union Springs formations; Eif–Giv: Oatka Creek Formation; Giv-1: Skaneateles, Giv-2: Ludlowville, Giv-3: lower Moscow, Giv-4: upper Moscow–lower Tully, and Giv-5: middle Tully–Geneseo formations. Thus, in contrast with the widely cited eustatic curve of Johnson et al. (1985), which recognizes just one major transgressive–regressive (T–R) cycle in the early–mid Givetian (If) prior to the major late Givetian Taghanic unconformity (IIa, upper Tully–Geneseo Shale), we recognize four T–R cycles: If (restricted), Ig, Ih, and Ii. We surmise that third-order sequences record eustatic sea-level fluctuations of tens of meters with periodicities of 0.8–2</span><span>&nbsp;</span><span>myr, while their medial-scale (fourth-order) subdivisions record lesser variations primarily of 405</span><span>&nbsp;</span><span>kyr duration (long-term eccentricity). This high-resolution record of sea-level change provides strong evidence for high-order eustatic cycles with probable Milankovitch periodicities, despite the fact that no direct evidence for Middle Devonian glacial sediments has been found to date.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.palaeo.2010.10.009","issn":"00310182","usgsCitation":"Brett, C.E., Baird, G., Bartholomew, A., DeSantis, M., and Ver Straeten, C.A., 2011, Sequence stratigraphy and a revised sea-level curve for the Middle Devonian of eastern North America: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 304, no. 1-2, p. 21-53, https://doi.org/10.1016/j.palaeo.2010.10.009.","productDescription":"33 p.","startPage":"21","endPage":"53","costCenters":[],"links":[{"id":243487,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States, Canada","state":"Wisconsin, Illinois, Michigan, Indiana, Kentucky, Tennessee, Ohio, Pennsylvania, New York","otherGeospatial":"Eastern North America","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -91.93359375,\n              45.89000815866184\n            ],\n            [\n              -90.791015625,\n              43.197167282501276\n            ],\n            [\n              -90.615234375,\n              42.48830197960227\n            ],\n            [\n              -90.439453125,\n              41.04621681452063\n            ],\n            [\n              -90.966796875,\n              40.17887331434696\n            ],\n            [\n              -89.82421875,\n              38.272688535980976\n            ],\n            [\n              -89.033203125,\n              37.16031654673677\n            ],\n            [\n              -90,\n              35.24561909420681\n            ],\n            [\n              -84.287109375,\n              35.24561909420681\n            ],\n            [\n              -82.880859375,\n              36.31512514748051\n            ],\n            [\n              -83.75976562499999,\n              37.020098201368114\n            ],\n            [\n              -82.705078125,\n              38.54816542304656\n            ],\n            [\n              -81.298828125,\n              40.04443758460856\n            ],\n            [\n              -75.673828125,\n              39.977120098439634\n            ],\n            [\n              -75.322265625,\n              41.705728515237524\n            ],\n            [\n              -73.212890625,\n              42.293564192170095\n            ],\n            [\n              -73.30078125,\n              44.77793589631623\n            ],\n            [\n              -74.8828125,\n              44.84029065139799\n            ],\n            [\n              -79.541015625,\n              44.902577996288876\n            ],\n            [\n              -82.705078125,\n              45.706179285330855\n            ],\n            [\n              -85.078125,\n              46.13417004624326\n            ],\n            [\n              -86.923828125,\n              44.96479793033101\n            ],\n            [\n              -87.71484375,\n              45.336701909968134\n            ],\n            [\n              -90.615234375,\n              46.619261036171515\n            ],\n            [\n              -91.7578125,\n              46.73986059969267\n            ],\n            [\n              -91.93359375,\n              45.89000815866184\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"304","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8d4ce4b08c986b31832d","contributors":{"authors":[{"text":"Brett, Carlton E.","contributorId":85774,"corporation":false,"usgs":true,"family":"Brett","given":"Carlton","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":447462,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baird, G.C.","contributorId":59631,"corporation":false,"usgs":true,"family":"Baird","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":447461,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bartholomew, A.J.","contributorId":18198,"corporation":false,"usgs":true,"family":"Bartholomew","given":"A.J.","email":"","affiliations":[],"preferred":false,"id":447458,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"DeSantis, M.K.","contributorId":28824,"corporation":false,"usgs":true,"family":"DeSantis","given":"M.K.","email":"","affiliations":[],"preferred":false,"id":447459,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ver Straeten, C. A.","contributorId":53984,"corporation":false,"usgs":false,"family":"Ver Straeten","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":447460,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70034753,"text":"70034753 - 2011 - Evaluating impacts of subdivision density on shallow groundwater in Southeastern Wisconsin, USA","interactions":[],"lastModifiedDate":"2021-03-15T20:23:07.895811","indexId":"70034753","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2261,"text":"Journal of Environmental Planning and Management","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating impacts of subdivision density on shallow groundwater in Southeastern Wisconsin, USA","docAbstract":"<p><span>Using simple numerical groundwater flow models, we tested the impacts of suburban developments on groundwater levels and discharge to streams. We used lot sizes of 1, 3 and 5 acres (4000, 12,000 and 20,000&nbsp;m</span><sup>2</sup><span>) with one domestic well per lot that pumped water from shallow aquifers. Our modelling showed that pumping had little impact on water levels and groundwater discharge to streams if the developed area is of a moderate size. However, domestic wells had the potential to impact local groundwater levels and baseflows in large developments. In township-wide development scenarios of 1-acre (4000&nbsp;m</span><sup>2</sup><span>) lots, simulated drawdowns beneath developed areas ranged from 1 to 18 ft (0.3 to 5.5 m), and baseflow reductions ranged from 20 to 40%. Impacts generally were inversely proportional to lot size, recharge rate and hydraulic conductivity of the aquifer materials. Developments using individual domestic wells have the potential to impact local groundwater levels and surface water features. The impacts can range from negligible to severe, depending on local hydrogeologic conditions and on whether wastewater is recharged onsite or is removed from the basin. An assessment of groundwater impacts should be a part of the planning process for all suburban developments.</span></p>","language":"English","publisher":"Taylor & Francis Online","doi":"10.1080/09640568.2010.524358","issn":"09640568","usgsCitation":"Rayne, T., and Bradbury, K.R., 2011, Evaluating impacts of subdivision density on shallow groundwater in Southeastern Wisconsin, USA: Journal of Environmental Planning and Management, v. 54, no. 5, p. 559-575, https://doi.org/10.1080/09640568.2010.524358.","productDescription":"17 p.","startPage":"559","endPage":"575","costCenters":[],"links":[{"id":243386,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215573,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/09640568.2010.524358"}],"country":"United States","state":"Wisconsin","otherGeospatial":"Southeastern Wisconsin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -87.8082275390625,\n              42.49640294093705\n            ],\n            [\n              -87.81372070312499,\n              42.61779143282346\n            ],\n            [\n              -87.7532958984375,\n              42.69858589169842\n            ],\n            [\n              -87.7532958984375,\n              42.783307077249624\n            ],\n            [\n              -87.8302001953125,\n              42.91218338638015\n            ],\n            [\n              -87.8466796875,\n              42.99259451971113\n            ],\n            [\n              -87.857666015625,\n              43.04480541304369\n            ],\n            [\n              -87.879638671875,\n              43.201171681272456\n            ],\n            [\n              -87.86865234374999,\n              43.34914966389313\n            ],\n            [\n              -87.7587890625,\n              43.628123412124616\n            ],\n            [\n              -88.6541748046875,\n              43.636075155965784\n            ],\n            [\n              -88.6541748046875,\n              43.337164854911094\n            ],\n            [\n              -88.65966796875,\n              42.49640294093705\n            ],\n            [\n              -87.8082275390625,\n              42.49640294093705\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"54","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0be7e4b0c8380cd52928","contributors":{"authors":[{"text":"Rayne, T.W.","contributorId":86582,"corporation":false,"usgs":true,"family":"Rayne","given":"T.W.","email":"","affiliations":[],"preferred":false,"id":447424,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bradbury, K. R.","contributorId":86070,"corporation":false,"usgs":true,"family":"Bradbury","given":"K.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":447423,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70034726,"text":"70034726 - 2011 - Fundamental studies on kinetic isotope effect (KIE) of hydrogen isotope fractionation in natural gas systems","interactions":[],"lastModifiedDate":"2021-04-14T11:39:27.797137","indexId":"70034726","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"Fundamental studies on kinetic isotope effect (KIE) of hydrogen isotope fractionation in natural gas systems","docAbstract":"<p><span>Based on&nbsp;quantum chemistry&nbsp;calculations for normal octane homolytic cracking, a kinetic&nbsp;hydrogen isotope&nbsp;fractionation model for methane, ethane, and&nbsp;propane&nbsp;formation is proposed. The activation energy differences between D-substitute and non-substituted methane, ethane, and propane are 318.6, 281.7, and 280.2</span><span>&nbsp;</span><span>cal/mol, respectively. In order to determine the effect of the entropy contribution for hydrogen isotopic substitution, a transition state for ethane bond rupture was determined based on density function theory (DFT) calculations. The kinetic&nbsp;isotope effect&nbsp;(KIE) associated with bond rupture in D and H substituted ethane results in a frequency factor ratio of 1.07. Based on the proposed&nbsp;mathematical model&nbsp;of hydrogen isotope fractionation, one can potentially quantify natural gas&nbsp;thermal maturity&nbsp;from measured hydrogen isotope values. Calculated gas maturity values determined by the proposed mathematical model using δD values in ethane from several basins in the world are in close agreement with similar predictions based on the δ</span><sup>13</sup><span>C composition of ethane. However, gas maturity values calculated from field data of methane and propane using both hydrogen and carbon kinetic isotopic models do not agree as closely. It is possible that δD values in methane may be affected by microbial mixing and that propane values might be more susceptible to hydrogen exchange with water or to analytical errors. Although the model used in this study is quite preliminary, the results demonstrate that kinetic isotope fractionation effects in hydrogen may be useful in quantitative models of natural gas generation, and that δD values in ethane might be more suitable for modeling than comparable values in methane and propane.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.gca.2011.02.016","issn":"00167037","usgsCitation":"Ni, Y., Ma, Q., Ellis, G., Dai, J., Katz, B., Zhang, S., and Tang, Y., 2011, Fundamental studies on kinetic isotope effect (KIE) of hydrogen isotope fractionation in natural gas systems: Geochimica et Cosmochimica Acta, v. 75, no. 10, p. 2696-2707, https://doi.org/10.1016/j.gca.2011.02.016.","productDescription":"12 p.","startPage":"2696","endPage":"2707","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":243451,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"75","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a1419e4b0c8380cd548e7","contributors":{"authors":[{"text":"Ni, Y.","contributorId":49204,"corporation":false,"usgs":true,"family":"Ni","given":"Y.","email":"","affiliations":[],"preferred":false,"id":447222,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ma, Q.","contributorId":78450,"corporation":false,"usgs":true,"family":"Ma","given":"Q.","email":"","affiliations":[],"preferred":false,"id":447224,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ellis, G.S. 0000-0003-4519-3320","orcid":"https://orcid.org/0000-0003-4519-3320","contributorId":91064,"corporation":false,"usgs":true,"family":"Ellis","given":"G.S.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":447225,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Dai, J.","contributorId":21781,"corporation":false,"usgs":true,"family":"Dai","given":"J.","email":"","affiliations":[],"preferred":false,"id":447220,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Katz, Brian","contributorId":33484,"corporation":false,"usgs":true,"family":"Katz","given":"Brian","affiliations":[],"preferred":false,"id":447221,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Zhang, S.","contributorId":51064,"corporation":false,"usgs":true,"family":"Zhang","given":"S.","email":"","affiliations":[],"preferred":false,"id":447223,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Tang, Y.","contributorId":104199,"corporation":false,"usgs":true,"family":"Tang","given":"Y.","affiliations":[],"preferred":false,"id":447226,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70034707,"text":"70034707 - 2011 - Ages and sources of components of Zn-Pb, Cu, precious metal, and platinum group element deposits in the goodsprings district, Clark County, Nevada","interactions":[],"lastModifiedDate":"2017-08-31T16:01:33","indexId":"70034707","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Ages and sources of components of Zn-Pb, Cu, precious metal, and platinum group element deposits in the goodsprings district, Clark County, Nevada","docAbstract":"<p id=\"p-1\">The Goodsprings district, Clark County, Nevada, includes zinc-dominant carbonate replacement deposits of probable late Paleozoic age, and lead-dominant carbonate replacement deposits, copper ± precious metal-platinum group element (PGE) deposits, and gold ± silver deposits that are spatially associated with Late Triassic porphyritic intrusions. The district encompasses ~500 km<sup>2</sup><span>&nbsp;</span>although the distribution of all deposits has been laterally condensed by late Mesozoic crustal contraction. Zinc, Pb, and Cu production from about 90 deposits was ~160,000 metric tons (t) (Zn &gt; Pb &gt;&gt; Cu), 2.1 million ounces (Moz) Ag, 0.09 Moz Au, and small amounts of PGEs—Co, V, Hg, Sb, Ni, Mo, Mn, Ir, and U—were also recovered.</p><p id=\"p-2\">Zinc-dominant carbonate replacement deposits (Zn &gt; Pb; Ag ± Cu) resemble Mississippi Valley Type (MVT) Zn-Pb deposits in that they occur in karst and fault breccias in Mississippian limestone where the southern margin of the regional late Paleozoic foreland basin adjoins Proterozoic crystalline rocks of the craton. They consist of calcite, dolomite, sphalerite, and galena with variably positive S isotope compositions (<i>δ</i><sup>34</sup>S values range from 2.5–13‰), and highly radiogenic Pb isotope compositions (<sup>206</sup>Pb/<sup>204</sup>Pb &gt;19), typical of MVT deposits above crystalline Precambrian basement. These deposits may have formed when southward flow of saline fluids, derived from basinal and older sedimentary rocks, encountered thinner strata and pinch-outs against the craton, forcing fluid mixing and mineral precipitation in karst and fault breccias. Lead-dominant carbonate replacement deposits (Pb &gt; Zn, Ag ± Cu ± Au) occur among other deposit types, often near porphyritic intrusions. They generally contain higher concentrations of precious metals than zinc-dominant deposits and relatively abundant iron oxides after pyrite. They share characteristics with copper ± precious metal-PGE and gold ± silver deposits including fine-grained quartz replacement of carbonate minerals in ore breccias and relatively low S and Pb isotope values (<i>δ</i><sup>34</sup>S values vary from 0–~4‰;<span>&nbsp;</span><sup>206</sup>Pb/<sup>204</sup>Pb &lt;18.5). Copper ± precious metal-PGE deposits (Cu, Co, Ag, Au, Pd, and Pt) consist of Cu carbonate minerals (after chalcocite and chalcopyrite) and fine-grained quartz that have replaced breccia clasts and margins of fissures in Paleozoic limestones and dolomites near porphyritic intrusions. Gold ± silver deposits occur along contacts and within small-volume stocks and dikes of feldspar porphyry, one textural variety of porphyritic intrusions. Lead isotope compositions of copper ± precious metal-PGE, gold ± silver, and lead-dominant carbonate replacement deposits are similar to those of Mojave crust plutons, indicating derivation of Pb from 1.7 Ga crystalline basement or from Late Proterozoic siliciclastic sedimentary rocks derived from 1.7 Ga crystalline basement.</p><p id=\"p-3\">Four texturally and modally distinctive porphyritic intrusions are exposed largely in the central part of the district: feldspar quartz porphyry, plagioclase quartz porphyry, feldspar biotite quartz porphyry, and feldspar porphyry. Intrusions consist of 64 to 70 percent SiO<sub>2</sub><span>&nbsp;</span>and variable K<sub>2</sub>O/Na<sub>2</sub>O (0.14–5.33) that reflect proportions of K-feldspar and albite phenocrysts and megacrysts as well as partial alteration to K-mica; quartz and biotite phenocrysts are present in several subtypes. Albite may have formed during emplacement of magma in brine-saturated basinal strata, whereas hydrothermal alteration of matrix, phenocrystic, and megacrystic feldspar and biotite to K-mica, pyrite, and other hydrothermal minerals occurred during and after intrusion emplacement. Small volumes of garnet-diopside-quartz and retrograde epidote-mica-amphibole skarn have replaced carbonate rocks adjacent to one intrusion subtype (feldspar-quartz porphyry), but alteration of carbonate rocks at intrusion contacts elsewhere is inconspicuous.</p><p id=\"p-4\">Uranium-lead ages of igneous zircons vary inconsistently from ~ 180 to 230 Ma and are too imprecise to distinguish age differences among intrusion subtypes; most ages are 210 to 225 Ma, yielding a mean of 217 ± 1 Ma. K-Ar and<span>&nbsp;</span><sup>40</sup>Ar/<sup>39</sup>Ar ages of magmatic (plagioclase, biotite) and hydrothermal (K-mica) minerals span a similar range (183–227 Ma), demonstrating broadly contemporaneous intrusion emplacement and hydrothermal alteration but allowing for multiple Late Triassic magmatic-hydrothermal events. Imprecision and range of isotopic ages may have resulted from burial beneath Mesozoic and Tertiary strata and multiple intrusion of magmas, causing thermal disturbance to Ar systems and Pb loss from zircons in intrusions.</p><p id=\"p-5\">Separate late Paleozoic (zinc-dominant carbonate replacement deposits) and Late Triassic (all other deposits) mineralizing events are supported by form, distribution, and host rocks of metal deposits, by hydrothermal mineral assemblages, isotope compositions, metal abundances, and metal diversity, and by small intrusion volumes. These characteristics collectively distinguish the Goodsprings district from larger intrusion related carbonate replacement districts in the western United States. They can be used to evaluate proximity to unexposed porphyritic intrusions associated with PGE and gold ± silver mineralization.</p>","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/econgeo.106.3.381","issn":"03610128","usgsCitation":"Vikre, P., Browne, Q.J., Fleck, R.J., Hofstra, A.H., and Wooden, J.L., 2011, Ages and sources of components of Zn-Pb, Cu, precious metal, and platinum group element deposits in the goodsprings district, Clark County, Nevada: Economic Geology, v. 106, no. 3, p. 381-412, https://doi.org/10.2113/econgeo.106.3.381.","productDescription":"32 p.","startPage":"381","endPage":"412","numberOfPages":"32","ipdsId":"IP-022141","costCenters":[{"id":662,"text":"Western Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"links":[{"id":243668,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215839,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2113/econgeo.106.3.381"}],"country":"United States","state":"Nevada","county":"Clark County","volume":"106","issue":"3","noUsgsAuthors":false,"publicationDate":"2011-05-13","publicationStatus":"PW","scienceBaseUri":"5059e902e4b0c8380cd48032","contributors":{"authors":[{"text":"Vikre, Peter G. pvikre@usgs.gov","contributorId":1800,"corporation":false,"usgs":true,"family":"Vikre","given":"Peter G.","email":"pvikre@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":447131,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Browne, Quentin J.","contributorId":25381,"corporation":false,"usgs":true,"family":"Browne","given":"Quentin","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":447132,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fleck, Robert J. 0000-0002-3149-8249 fleck@usgs.gov","orcid":"https://orcid.org/0000-0002-3149-8249","contributorId":1048,"corporation":false,"usgs":true,"family":"Fleck","given":"Robert","email":"fleck@usgs.gov","middleInitial":"J.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":447134,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hofstra, Albert H. 0000-0002-2450-1593 ahofstra@usgs.gov","orcid":"https://orcid.org/0000-0002-2450-1593","contributorId":1302,"corporation":false,"usgs":true,"family":"Hofstra","given":"Albert","email":"ahofstra@usgs.gov","middleInitial":"H.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":447133,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wooden, Joseph L.","contributorId":193587,"corporation":false,"usgs":false,"family":"Wooden","given":"Joseph","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":447130,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70034680,"text":"70034680 - 2011 - Occupancy and abundance of wintering birds in a dynamic agricultural landscape","interactions":[],"lastModifiedDate":"2021-04-13T20:08:40.437726","indexId":"70034680","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Occupancy and abundance of wintering birds in a dynamic agricultural landscape","docAbstract":"<p><span>Effective monitoring programs are designed to track changes in the distribution, occurrence, and abundance of species. We developed an extension of Royle and Kéry's (2007) single species model to estimate simultaneously temporal changes in probabilities of detection, occupancy, colonization, extinction, and species turnover using data on calling anuran amphibians, collected from 2002 to 2006 in the Lower Mississippi Alluvial Valley of Louisiana, USA. During our 5‐year study, estimates of occurrence probabilities declined for all 12 species detected. These declines occurred primarily in conjunction with variation in estimates of local extinction probabilities (cajun chorus frog [</span><i>Pseudacris fouquettei</i><span>], spring peeper [</span><i>P. crucifer</i><span>], northern cricket frog [</span><i>Acris crepitans</i><span>], Cope's gray treefrog [</span><i>Hyla chrysoscelis</i><span>], green treefrog [</span><i>H. cinerea</i><span>], squirrel treefrog [</span><i>H. squirella</i><span>], southern leopard frog [</span><i>Lithobates sphenocephalus</i><span>], bronze frog [</span><i>L. clamitans</i><span>], American bullfrog [</span><i>L. catesbeianus</i><span>], and Fowler's toad [</span><i>Anaxyrus fowleri</i><span>]). For 2 species (eastern narrow‐mouthed toad [</span><i>Gastrophryne carolinensis</i><span>] and Gulf Coast toad [</span><i>Incilius nebulifer</i><span>]), declines in occupancy appeared to be a consequence of both increased local extinction and decreased colonization events. The eastern narrow‐mouthed toad experienced a 2.5‐fold increase in estimates of occupancy in 2004, possibly because of the high amount of rainfall received during that year, along with a decrease in extinction and increase in colonization of new sites between 2003 and 2004. Our model can be incorporated into monitoring programs to estimate simultaneously the occupancy dynamics for multiple species that show similar responses to ecological conditions. It will likely be an important asset for those monitoring programs that employ the same methods to sample assemblages of ecologically similar species, including those that are rare. By combining information from multiple species to decrease the variance on estimates of individual species, our results are advantageous compared to single‐species models. This feature enables managers and researchers to use an entire community, rather than just one species, as an ecological indicator in monitoring programs.</span></p>","language":"English","publisher":"The Wildlife Society","doi":"10.1002/jwmg.98","issn":"0022541X","usgsCitation":"Miller, M., Pearlstine, E., Dorazio, R., and Mazzotti, F., 2011, Occupancy and abundance of wintering birds in a dynamic agricultural landscape: Journal of Wildlife Management, v. 75, no. 4, p. 751-761, https://doi.org/10.1002/jwmg.98.","productDescription":"11 p.","startPage":"751","endPage":"761","costCenters":[],"links":[{"id":243760,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215924,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1002/jwmg.97"}],"volume":"75","issue":"4","noUsgsAuthors":false,"publicationDate":"2011-05-25","publicationStatus":"PW","scienceBaseUri":"505a6b17e4b0c8380cd744f2","contributors":{"authors":[{"text":"Miller, M.W.","contributorId":57012,"corporation":false,"usgs":true,"family":"Miller","given":"M.W.","email":"","affiliations":[],"preferred":false,"id":447017,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pearlstine, E.V.","contributorId":15857,"corporation":false,"usgs":true,"family":"Pearlstine","given":"E.V.","email":"","affiliations":[],"preferred":false,"id":447015,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dorazio, Robert 0000-0003-2663-0468 bob_dorazio@usgs.gov","orcid":"https://orcid.org/0000-0003-2663-0468","contributorId":172151,"corporation":false,"usgs":true,"family":"Dorazio","given":"Robert","email":"bob_dorazio@usgs.gov","affiliations":[{"id":5051,"text":"FLWSC-Orlando","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":447016,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mazzotti, F.J.","contributorId":10136,"corporation":false,"usgs":true,"family":"Mazzotti","given":"F.J.","email":"","affiliations":[],"preferred":false,"id":447014,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034679,"text":"70034679 - 2011 - Semi-quantitative evaluation of fecal contamination potential by human and ruminant sources using multiple lines of evidence","interactions":[],"lastModifiedDate":"2021-04-13T20:23:18.698557","indexId":"70034679","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3716,"text":"Water Research","onlineIssn":"1879-2448","printIssn":"0043-1354","active":true,"publicationSubtype":{"id":10}},"title":"Semi-quantitative evaluation of fecal contamination potential by human and ruminant sources using multiple lines of evidence","docAbstract":"<p><span>Protocols for microbial source tracking of fecal contamination generally are able to identify when a source of contamination is present, but thus far have been unable to evaluate what portion of fecal-indicator bacteria (FIB) came from various sources. A mathematical approach to estimate relative amounts of FIB, such as&nbsp;</span><i>Escherichia coli</i><span>, from various sources based on the concentration and distribution of microbial source tracking markers in feces was developed. The approach was tested using dilute fecal suspensions, then applied as part of an analytical suite to a contaminated headwater stream in the Rocky Mountains (Upper Fountain Creek, Colorado). In one single-source fecal suspension, a source that was not present could not be excluded because of incomplete marker specificity; however, human and ruminant sources were detected whenever they were present. In the mixed-feces suspension (pet and human), the minority contributor (human) was detected at a concentration low enough to preclude human contamination as the dominant source of&nbsp;</span><i>E. coli</i><span>&nbsp;to the sample. Without the semi-quantitative approach described, simple detects of human-associated marker in stream samples would have provided inaccurate evidence that human contamination was a major source of&nbsp;</span><i>E. coli</i><span>&nbsp;to the stream. In samples from Upper Fountain Creek the pattern of&nbsp;</span><i>E. coli</i><span>, general and host-associated microbial source tracking markers, nutrients, and wastewater-associated chemical detections—augmented with local observations and land-use patterns—indicated that, contrary to expectations, birds rather than humans or ruminants were the predominant source of fecal contamination to Upper Fountain Creek. This new approach to&nbsp;</span><i>E. coli</i><span>&nbsp;allocation, validated by a controlled study and tested by application in a relatively simple setting, represents a widely applicable step forward in the field of microbial source tracking of fecal contamination.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.watres.2011.03.037","issn":"00431354","usgsCitation":"Stoeckel, D.M., Stelzer, E.A., Stogner, and Mau, D.P., 2011, Semi-quantitative evaluation of fecal contamination potential by human and ruminant sources using multiple lines of evidence: Water Research, v. 45, no. 10, p. 3225-3244, https://doi.org/10.1016/j.watres.2011.03.037.","productDescription":"20 p.","startPage":"3225","endPage":"3244","costCenters":[],"links":[{"id":243731,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":215896,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.watres.2011.03.037"}],"volume":"45","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b8d07e4b08c986b318231","contributors":{"authors":[{"text":"Stoeckel, D. M.","contributorId":84855,"corporation":false,"usgs":true,"family":"Stoeckel","given":"D.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":447012,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stelzer, Erin A. 0000-0001-7645-7603 eastelzer@usgs.gov","orcid":"https://orcid.org/0000-0001-7645-7603","contributorId":1933,"corporation":false,"usgs":true,"family":"Stelzer","given":"Erin","email":"eastelzer@usgs.gov","middleInitial":"A.","affiliations":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true},{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true}],"preferred":true,"id":447011,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stogner 0000-0002-3185-1452 rstogner@usgs.gov","orcid":"https://orcid.org/0000-0002-3185-1452","contributorId":938,"corporation":false,"usgs":true,"family":"Stogner","email":"rstogner@usgs.gov","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":false,"id":447013,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mau, David P. dpmau@usgs.gov","contributorId":457,"corporation":false,"usgs":true,"family":"Mau","given":"David","email":"dpmau@usgs.gov","middleInitial":"P.","affiliations":[],"preferred":true,"id":447010,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034676,"text":"70034676 - 2011 - Comparative phylogeography of a coevolved community: Concerted population expansions in Joshua trees and four Yucca moths","interactions":[],"lastModifiedDate":"2012-03-12T17:21:40","indexId":"70034676","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2980,"text":"PLoS ONE","active":true,"publicationSubtype":{"id":10}},"title":"Comparative phylogeography of a coevolved community: Concerted population expansions in Joshua trees and four Yucca moths","docAbstract":"Comparative phylogeographic studies have had mixed success in identifying common phylogeographic patterns among co-distributed organisms. Whereas some have found broadly similar patterns across a diverse array of taxa, others have found that the histories of different species are more idiosyncratic than congruent. The variation in the results of comparative phylogeographic studies could indicate that the extent to which sympatrically-distributed organisms share common biogeographic histories varies depending on the strength and specificity of ecological interactions between them. To test this hypothesis, we examined demographic and phylogeographic patterns in a highly specialized, coevolved community - Joshua trees (Yucca brevifolia) and their associated yucca moths. This tightly-integrated, mutually interdependent community is known to have experienced significant range changes at the end of the last glacial period, so there is a strong a priori expectation that these organisms will show common signatures of demographic and distributional changes over time. Using a database of >5000 GPS records for Joshua trees, and multi-locus DNA sequence data from the Joshua tree and four species of yucca moth, we combined paleaodistribution modeling with coalescent-based analyses of demographic and phylgeographic history. We extensively evaluated the power of our methods to infer past population size and distributional changes by evaluating the effect of different inference procedures on our results, comparing our palaeodistribution models to Pleistocene-aged packrat midden records, and simulating DNA sequence data under a variety of alternative demographic histories. Together the results indicate that these organisms have shared a common history of population expansion, and that these expansions were broadly coincident in time. However, contrary to our expectations, none of our analyses indicated significant range or population size reductions at the end of the last glacial period, and the inferred demographic changes substantially predate Holocene climate changes.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"PLoS ONE","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1371/journal.pone.0025628","issn":"19326203","usgsCitation":"Smith, C., Tank, S., Godsoe, W., Levenick, J., Strand, E., Esque, T., and Pellmyr, O., 2011, Comparative phylogeography of a coevolved community: Concerted population expansions in Joshua trees and four Yucca moths: PLoS ONE, v. 6, no. 10, https://doi.org/10.1371/journal.pone.0025628.","costCenters":[],"links":[{"id":475189,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0025628","text":"Publisher Index Page"},{"id":215866,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1371/journal.pone.0025628"},{"id":243698,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"10","noUsgsAuthors":false,"publicationDate":"2011-10-18","publicationStatus":"PW","scienceBaseUri":"5059f822e4b0c8380cd4ced7","contributors":{"authors":[{"text":"Smith, C.I.","contributorId":41670,"corporation":false,"usgs":true,"family":"Smith","given":"C.I.","email":"","affiliations":[],"preferred":false,"id":446999,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tank, S.","contributorId":84179,"corporation":false,"usgs":true,"family":"Tank","given":"S.","email":"","affiliations":[],"preferred":false,"id":447001,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Godsoe, W.","contributorId":7106,"corporation":false,"usgs":true,"family":"Godsoe","given":"W.","affiliations":[],"preferred":false,"id":446997,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Levenick, J.","contributorId":59265,"corporation":false,"usgs":true,"family":"Levenick","given":"J.","affiliations":[],"preferred":false,"id":447000,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Strand, Espen","contributorId":91280,"corporation":false,"usgs":true,"family":"Strand","given":"Espen","email":"","affiliations":[],"preferred":false,"id":447002,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Esque, T.","contributorId":19893,"corporation":false,"usgs":true,"family":"Esque","given":"T.","affiliations":[],"preferred":false,"id":446998,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Pellmyr, O.","contributorId":98970,"corporation":false,"usgs":true,"family":"Pellmyr","given":"O.","affiliations":[],"preferred":false,"id":447003,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70034673,"text":"70034673 - 2011 - Feasibility of waveform inversion of Rayleigh waves for shallow shear-wave velocity using a genetic algorithm","interactions":[],"lastModifiedDate":"2021-04-14T11:46:48.294146","indexId":"70034673","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2165,"text":"Journal of Applied Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Feasibility of waveform inversion of Rayleigh waves for shallow shear-wave velocity using a genetic algorithm","docAbstract":"<p><span>Conventional surface wave inversion for shallow shear (S)-wave velocity relies on the generation of dispersion curves of Rayleigh waves. This constrains the method to only laterally homogeneous (or very smooth laterally heterogeneous) earth models. Waveform inversion directly fits waveforms on seismograms, hence, does not have such a limitation. Waveforms of Rayleigh waves are highly related to S-wave velocities. By inverting the waveforms of Rayleigh waves on a near-surface seismogram, shallow S-wave velocities can be estimated for earth models with strong lateral heterogeneity. We employ genetic algorithm (GA) to perform waveform inversion of Rayleigh waves for S-wave velocities. The forward problem is solved by finite-difference modeling in the time domain. The model space is updated by generating offspring models using GA. Final solutions can be found through an iterative waveform-fitting scheme. Inversions based on synthetic records show that the S-wave velocities can be recovered successfully with errors no more than 10% for several typical near-surface earth models. For layered earth models, the proposed method can generate one-dimensional S-wave velocity profiles without the knowledge of initial models. For earth models containing lateral heterogeneity in which case conventional dispersion-curve-based inversion methods are challenging, it is feasible to produce high-resolution S-wave velocity sections by GA waveform inversion with appropriate priori information. The synthetic tests indicate that the GA waveform inversion of Rayleigh waves has the great potential for shallow S-wave velocity imaging with the existence of strong lateral heterogeneity.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jappgeo.2011.09.028","issn":"09269851","usgsCitation":"Zeng, C., Xia, J., Miller, R., and Tsoflias, G., 2011, Feasibility of waveform inversion of Rayleigh waves for shallow shear-wave velocity using a genetic algorithm: Journal of Applied Geophysics, v. 75, no. 4, p. 648-655, https://doi.org/10.1016/j.jappgeo.2011.09.028.","productDescription":"8 p.","startPage":"648","endPage":"655","numberOfPages":"8","costCenters":[],"links":[{"id":243634,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"75","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0f3fe4b0c8380cd5382f","contributors":{"authors":[{"text":"Zeng, C.","contributorId":94519,"corporation":false,"usgs":true,"family":"Zeng","given":"C.","email":"","affiliations":[],"preferred":false,"id":446975,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Xia, J.","contributorId":63513,"corporation":false,"usgs":true,"family":"Xia","given":"J.","email":"","affiliations":[],"preferred":false,"id":446973,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, R. D.","contributorId":92693,"corporation":false,"usgs":true,"family":"Miller","given":"R. D.","affiliations":[],"preferred":false,"id":446974,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tsoflias, G.P.","contributorId":31225,"corporation":false,"usgs":true,"family":"Tsoflias","given":"G.P.","email":"","affiliations":[],"preferred":false,"id":446972,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70034672,"text":"70034672 - 2011 - Divergence in forest-type response to climate and weather: Evidence for regional links between forest-type evenness and net primary productivity","interactions":[],"lastModifiedDate":"2021-04-14T11:50:07.497015","indexId":"70034672","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1478,"text":"Ecosystems","active":true,"publicationSubtype":{"id":10}},"title":"Divergence in forest-type response to climate and weather: Evidence for regional links between forest-type evenness and net primary productivity","docAbstract":"<p><span>Climate change is altering long-term climatic conditions and increasing the magnitude of weather fluctuations. Assessing the consequences of these changes for terrestrial ecosystems requires understanding how different vegetation types respond to climate and weather. This study examined 20&nbsp;years of regional-scale remotely sensed net primary productivity (NPP) in forests of the northern Lake States to identify how the relationship between NPP and climate or weather differ among forest types, and if NPP patterns are influenced by landscape-scale evenness of forest-type abundance. These results underscore the positive relationship between temperature and NPP. Importantly, these results indicate significant differences among broadly defined forest types in response to both climate and weather. Essentially all weather variables that were strongly related to annual NPP displayed significant differences among forest types, suggesting complementarity in response to environmental fluctuations. In addition, this study found that forest-type evenness (within 8&nbsp;×&nbsp;8&nbsp;km</span><sup>2</sup><span>&nbsp;areas) is positively related to long-term NPP mean and negatively related to NPP variability, suggesting that NPP in pixels with greater forest-type evenness is both higher and more stable through time. This is landscape- to subcontinental-scale evidence of a relationship between primary productivity and one measure of biological diversity. These results imply that anthropogenic or natural processes that influence the proportional abundance of forest types within landscapes may influence long-term productivity patterns.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s10021-011-9460-8","issn":"14329840","usgsCitation":"Bradford, J., 2011, Divergence in forest-type response to climate and weather: Evidence for regional links between forest-type evenness and net primary productivity: Ecosystems, v. 14, no. 6, p. 975-986, https://doi.org/10.1007/s10021-011-9460-8.","productDescription":"12 p","startPage":"975","endPage":"986","numberOfPages":"12","costCenters":[],"links":[{"id":243633,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":385072,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://link.springer.com/article/10.1007/s10021-011-9460-8"}],"volume":"14","issue":"6","noUsgsAuthors":false,"publicationDate":"2011-06-23","publicationStatus":"PW","scienceBaseUri":"505a0348e4b0c8380cd503e1","contributors":{"authors":[{"text":"Bradford, J.B.","contributorId":62036,"corporation":false,"usgs":true,"family":"Bradford","given":"J.B.","email":"","affiliations":[],"preferred":false,"id":446971,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70034662,"text":"70034662 - 2011 - A distribution-based parameterization for improved tomographic imaging of solute plumes","interactions":[],"lastModifiedDate":"2020-01-11T10:07:06","indexId":"70034662","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1803,"text":"Geophysical Journal International","active":true,"publicationSubtype":{"id":10}},"title":"A distribution-based parameterization for improved tomographic imaging of solute plumes","docAbstract":"<p><span>Difference geophysical tomography (e.g. radar, resistivity and seismic) is used increasingly for imaging fluid flow and mass transport associated with natural and engineered hydrologic phenomena, including tracer experiments,&nbsp;</span><i>in situ</i><span>&nbsp;remediation and aquifer storage and recovery. Tomographic data are collected over time, inverted and differenced against a background image to produce ‘snapshots’ revealing changes to the system; these snapshots readily provide qualitative information on the location and morphology of plumes of injected tracer, remedial amendment or stored water. In principle, geometric moments (i.e. total mass, centres of mass, spread, etc.) calculated from difference tomograms can provide further quantitative insight into the rates of advection, dispersion and mass transfer; however, recent work has shown that moments calculated from tomograms are commonly biased, as they are strongly affected by the subjective choice of regularization criteria. Conventional approaches to regularization (Tikhonov) and parametrization (image pixels) result in tomograms which are subject to artefacts such as smearing or pixel estimates taking on the sign opposite to that expected for the plume under study. Here, we demonstrate a novel parametrization for imaging plumes associated with hydrologic phenomena. Capitalizing on the mathematical analogy between moment-based descriptors of plumes and the moment-based parameters of probability distributions, we design an inverse problem that (1) is overdetermined and computationally efficient because the image is described by only a few parameters, (2) produces tomograms consistent with expected plume behaviour (e.g. changes of one sign relative to the background image), (3) yields parameter estimates that are readily interpreted for plume morphology and offer direct insight into hydrologic processes and (4) requires comparatively few data to achieve reasonable model estimates. We demonstrate the approach in a series of numerical examples based on straight-ray difference-attenuation radar monitoring of the transport of an ionic tracer, and show that the methodology outlined here is particularly effective when limited data are available.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1111/j.1365-246X.2011.05131.x","issn":"0956540X","usgsCitation":"Pidlisecky, A., Singha, K., and Day-Lewis, F., 2011, A distribution-based parameterization for improved tomographic imaging of solute plumes: Geophysical Journal International, v. 187, no. 1, p. 214-224, https://doi.org/10.1111/j.1365-246X.2011.05131.x.","productDescription":"11 p.","startPage":"214","endPage":"224","numberOfPages":"11","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":475438,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1365-246x.2011.05131.x","text":"Publisher Index Page"},{"id":243480,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"187","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-08-19","publicationStatus":"PW","scienceBaseUri":"5059e3c3e4b0c8380cd461ec","contributors":{"authors":[{"text":"Pidlisecky, Adam","contributorId":94877,"corporation":false,"usgs":true,"family":"Pidlisecky","given":"Adam","email":"","affiliations":[],"preferred":false,"id":446926,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Singha, K.","contributorId":51431,"corporation":false,"usgs":true,"family":"Singha","given":"K.","affiliations":[],"preferred":false,"id":446925,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Day-Lewis, F. D. 0000-0003-3526-886X","orcid":"https://orcid.org/0000-0003-3526-886X","contributorId":35773,"corporation":false,"usgs":true,"family":"Day-Lewis","given":"F. D.","affiliations":[],"preferred":false,"id":446924,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70034657,"text":"70034657 - 2011 - Metallothionein-like multinuclear clusters of mercury(II) and sulfur in peat","interactions":[],"lastModifiedDate":"2021-11-09T17:39:19.398815","indexId":"70034657","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Metallothionein-like multinuclear clusters of mercury(II) and sulfur in peat","docAbstract":"<div class=\"article_abstract\"><div class=\"container container_scaled-down\"><div class=\"row\"><div class=\"col-xs-12\"><div id=\"abstractBox\" class=\"article_abstract-content hlFld-Abstract\"><p class=\"articleBody_abstractText\">Strong mercury(II)–sulfur (Hg-SR) bonds in natural organic matter, which influence mercury bioavailability, are difficult to characterize. We report evidence for two new Hg-SR structures using X-ray absorption spectroscopy in peats from the Florida Everglades with added Hg. The first, observed at a mole ratio of organic reduced S to Hg (S<sub>red</sub>/Hg) between 220 and 1140, is a Hg<sub>4</sub>S<sub><i>x</i></sub><span>&nbsp;</span>type of cluster with each Hg atom bonded to two S atoms at 2.34 Å and one S at 2.53 Å, and all Hg atoms 4.12 Å apart. This model structure matches those of metal–thiolate clusters in metallothioneins, but not those of HgS minerals. The second, with one S atom at 2.34 Å and about six C atoms at 2.97 to 3.28 Å, occurred at S<sub>red</sub>/Hg between 0.80 and 4.3 and suggests Hg binding to a thiolated aromatic unit. The multinuclear Hg cluster indicates a strong binding environment to cysteinyl sulfur that might impede methylation. Along with a linear Hg(SR)<sub>2</sub><span>&nbsp;</span>unit with Hg—S bond lengths of 2.34 Å at S<sub>red</sub>/Hg of about 10 to 20, the new structures support a continuum in Hg-SR binding strength in natural organic matter.</p></div></div></div></div></div>","language":"English","publisher":"American Chemical Society","doi":"10.1021/es201025v","issn":"0013936X","usgsCitation":"Nagy, K.L., Manceau, A., Gasper, J.D., Ryan, J.N., and Aiken, G., 2011, Metallothionein-like multinuclear clusters of mercury(II) and sulfur in peat: Environmental Science & Technology, v. 45, no. 17, p. 7298-7306, https://doi.org/10.1021/es201025v.","productDescription":"9 p.","startPage":"7298","endPage":"7306","numberOfPages":"9","ipdsId":"IP-028777","costCenters":[{"id":381,"text":"Mercury Research Laboratory","active":false,"usgs":true},{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":243380,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"17","noUsgsAuthors":false,"publicationDate":"2011-08-02","publicationStatus":"PW","scienceBaseUri":"505a54f1e4b0c8380cd6d0a1","contributors":{"authors":[{"text":"Nagy, K. L.","contributorId":56408,"corporation":false,"usgs":true,"family":"Nagy","given":"K.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":446891,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Manceau, A.","contributorId":80507,"corporation":false,"usgs":true,"family":"Manceau","given":"A.","affiliations":[],"preferred":false,"id":446893,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gasper, J. D.","contributorId":58837,"corporation":false,"usgs":true,"family":"Gasper","given":"J.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":446892,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ryan, J. N.","contributorId":102649,"corporation":false,"usgs":true,"family":"Ryan","given":"J.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":446894,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Aiken, G. R. 0000-0001-8454-0984","orcid":"https://orcid.org/0000-0001-8454-0984","contributorId":14452,"corporation":false,"usgs":true,"family":"Aiken","given":"G. R.","affiliations":[],"preferred":false,"id":446890,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
]}