No abstract available.
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\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ee4b07f02db66062e","contributors":{"authors":[{"text":"Bryant, C. T.","contributorId":7263,"corporation":false,"usgs":true,"family":"Bryant","given":"C.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":196296,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ludwig, A. H.","contributorId":63007,"corporation":false,"usgs":true,"family":"Ludwig","given":"A.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":196297,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morris, E. E.","contributorId":93493,"corporation":false,"usgs":true,"family":"Morris","given":"E.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":196298,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70013961,"text":"70013961 - 1985 - Water-rock interactions in fault gouge","interactions":[],"lastModifiedDate":"2012-03-12T17:19:34","indexId":"70013961","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3209,"text":"Pure and Applied Geophysics PAGEOPH","active":true,"publicationSubtype":{"id":10}},"title":"Water-rock interactions in fault gouge","docAbstract":"Measurements were made of the amounts of D,18O, and H2O+ in fault gouge collected over a depth of 400 m in the San Andreas fault of California. The amounts and isotopic compositions of the pore fluids, also analyzed, suggest that formation waters from adjacent Franciscan rocks have migrated into the gouge and mixed with local meteoric water. Thus the gouge is an open system permeable to fluid flow. This permeability has important implications concerning heat flow along the fault zone. Analyses of the fault gouge itself give information on the amounts, timing, and conditions of formation of the clay minerals. Stable-isotope analyses of materials from fault zones are good indicators of water-rock interactions that bear importantly on processes taking place in seismically active regions. ?? 1985 Birkha??user Verlag.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Pure and Applied Geophysics PAGEOPH","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Birkha??user-Verlag","doi":"10.1007/BF00874610","issn":"00334553","usgsCitation":"O’Neil, J.R., 1985, Water-rock interactions in fault gouge: Pure and Applied Geophysics PAGEOPH, v. 122, no. 2-4, p. 440-446, https://doi.org/10.1007/BF00874610.","startPage":"440","endPage":"446","numberOfPages":"7","costCenters":[],"links":[{"id":205670,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF00874610"},{"id":225992,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"122","issue":"2-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bcef2e4b08c986b32e648","contributors":{"authors":[{"text":"O’Neil, J. R.","contributorId":69633,"corporation":false,"usgs":true,"family":"O’Neil","given":"J.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":367257,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013093,"text":"70013093 - 1985 - Interannual streamflow variability in the United States based on principal components","interactions":[],"lastModifiedDate":"2018-02-12T18:02:29","indexId":"70013093","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Interannual streamflow variability in the United States based on principal components","docAbstract":"Interannual modes of streamflow variation at 106 locations across the United States during the period 1931–1978 are defined by using principal components. Five statistically significant components are found to account for more than 56% of the total streamflow variance. The first principal component represents a nationwide tendency for either above- or below-mean streamflow. The second component represents a north-south opposition in departures from mean flow, and the third, an east-west opposition. Higher-order components (fourth and fifth) geographically depict regional patterns of opposition in the sign of streamflow departures between coastal-continental areas and between the northern and southern plains, respectively. Analyses using spatially and temporally modified data sets indicate that the first three components (which explain 45% of the variance) are quite stable spatially, while only the first component is stable temporally. Time series analysis of principal component scores indicates that all but the fourth component are first-order autoregressive processes, as is mean annual nationwide streamflow. The fourth component is an autoregressive (AR)(2) process. In general, the principal components of streamflow are found to exhibit more persistence over annual time scales than the mean annual flow data themselves.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR021i005p00691","usgsCitation":"Lins, H.F., 1985, Interannual streamflow variability in the United States based on principal components: Water Resources Research, v. 21, no. 5, p. 691-701, https://doi.org/10.1029/WR021i005p00691.","productDescription":"11 p.","startPage":"691","endPage":"701","costCenters":[],"links":[{"id":219777,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","volume":"21","issue":"5","noUsgsAuthors":false,"publicationDate":"2008-01-08","publicationStatus":"PW","scienceBaseUri":"505a3ce6e4b0c8380cd63139","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":365266,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013128,"text":"70013128 - 1985 - Migration of wood-preserving chemicals in contaminated groundwater in a sand aquifer at Pensacola, Florida","interactions":[],"lastModifiedDate":"2020-01-19T10:51:51","indexId":"70013128","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","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":"Migration of wood-preserving chemicals in contaminated groundwater in a sand aquifer at Pensacola, Florida","docAbstract":"Operation of a wood-preserving facility for nearly 80 years at Pensacola, FL, contaminated the near-surface groundwater with creosote and pentachlorophenol. The major source of aquifer contamination was unlined surface impoundments that were in direct hydraulic contact with the groundwater. Episodes of overtopping the impoundments and overland flow of treatment liquor and waste were also significant to the migration and contamination of the groundwater. Solutes contaminating the ground-water are mainly naphthalene and substituted phenols. Sorption did not influence retardation of solutes in transport in the groundwater. Phenol and the mono substituted methylphenols appear to be undergoing bio-transformation. Pentachlorophenol (PCP) was not found in significant concentrations in the groundwater possibly because the solubility of PCP is approximately 5 mg/L at pH 6, near the average acidity for the groundwater.","language":"English","publisher":"ACS","doi":"10.1021/es00140a012","issn":"0013936X","usgsCitation":"Goerlitz, D., Troutman, D., Godsy, E., and Franks, B., 1985, Migration of wood-preserving chemicals in contaminated groundwater in a sand aquifer at Pensacola, Florida: Environmental Science & Technology, v. 19, no. 10, p. 955-961, https://doi.org/10.1021/es00140a012.","productDescription":"7 p.","startPage":"955","endPage":"961","numberOfPages":"7","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":220234,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida ","city":"Pensacola ","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -87.099609375,\n 30.259067203213018\n ],\n [\n -86.253662109375,\n 30.259067203213018\n ],\n [\n -86.253662109375,\n 30.713503990354965\n ],\n [\n -87.099609375,\n 30.713503990354965\n ],\n [\n -87.099609375,\n 30.259067203213018\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"19","issue":"10","noUsgsAuthors":false,"publicationDate":"2002-05-01","publicationStatus":"PW","scienceBaseUri":"505a5713e4b0c8380cd6da32","contributors":{"authors":[{"text":"Goerlitz, D.F.","contributorId":8445,"corporation":false,"usgs":true,"family":"Goerlitz","given":"D.F.","affiliations":[],"preferred":false,"id":365356,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Troutman, D.E.","contributorId":66301,"corporation":false,"usgs":true,"family":"Troutman","given":"D.E.","email":"","affiliations":[],"preferred":false,"id":365358,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Godsy, E.M.","contributorId":56685,"corporation":false,"usgs":true,"family":"Godsy","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":365357,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Franks, B.J.","contributorId":107739,"corporation":false,"usgs":true,"family":"Franks","given":"B.J.","email":"","affiliations":[],"preferred":false,"id":365359,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70013612,"text":"70013612 - 1985 - Adsorption and desorption of hexavalent chromium in an alluvial aquifer near Telluride, Colorado","interactions":[],"lastModifiedDate":"2020-01-19T11:06:20","indexId":"70013612","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2262,"text":"Journal of Environmental Quality","active":true,"publicationSubtype":{"id":10}},"title":"Adsorption and desorption of hexavalent chromium in an alluvial aquifer near Telluride, Colorado","docAbstract":"A laboratory investigation of reactions between hexavalent chromium [Cr(VI)] and alluvium was conducted to evaluate reactions of Cr(VI) contaminating an alluvial aquifer near Telluride, CO and to determine the mechanisms responsible for these reactions. Uncontaminated alluvium and groundwater (spiked with CrO42−) from the study site were used in batch and column experiments. Results of these experiments show that Cr(VI) was adsorbed by the alluvium. Distribution coefficients from batch experiments ranged from 52 L/kg at an equilibrium CrO42− concentration of 0.4 µmol/L to 1.7 L/kg at an equilibrium concentration of 1400 µmol/L. The zero point of charge for the alluvium was approximately 8.3, and the alluvium had a positive net charge at the groundwater pH of 6.8. Visual and chemical evidence indicated that Fe oxide and hydroxide coatings on the alluvial particles principally were responsible for the adsorption of Cr(VI). During column experiments, Cr(VI) initially was desorbed easily from the alluvium by Cr‐free groundwater; however, the rate of desorption decreased rapidly, and > 60 pore volumes of groundwater were required to decrease the effluent concentration of Cr(VI) to 3 µmol/L [drinking water standard for Cr(VI) = 1 µmol/L]. The quantity of Cr(VI) adsorbed varied with the type and concentration of other anions in solution.
The enigma that caves and other solution openings form in carbonate rocks at great depths below land surface rather than forming from the surface downward can be explained by the generation of CO2 within the aquifer system. In the proposed model, CO2 is generated by the oxidation of particulate and/or dissolved organic carbon that is transported from the land surface deep into the unsaturated zone by recharging ground water. The organic material is oxidized to CO2 by aerobic bacteria utilizing oxygen that diffuses in from the atmosphere. Because gas transport in the unsaturated zone is controlled largely by diffusion, steady-state generation of even minute amounts of CO2 deep in the unsaturated zone results in the creation of large concentrations of CO2 at depth as it establishes a concentration gradient to the surface or other sink.
","language":"English","publisher":"GSW","doi":"10.1130/0091-7613(1985)13<822:OOCAOS>2.0.CO;2","issn":"00917613","usgsCitation":"Wood, W., 1985, Origin of caves and other solution openings in the unsaturated (vadose) zone of carbonate rocks: A model for CO2 generation: Geology, v. 13, no. 11, p. 822-824, https://doi.org/10.1130/0091-7613(1985)13<822:OOCAOS>2.0.CO;2.","productDescription":"3 p.","startPage":"822","endPage":"824","numberOfPages":"3","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":220513,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"11","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a70c7e4b0c8380cd76240","contributors":{"authors":[{"text":"Wood, W.W.","contributorId":21974,"corporation":false,"usgs":true,"family":"Wood","given":"W.W.","email":"","affiliations":[],"preferred":false,"id":365229,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013535,"text":"70013535 - 1985 - ROLE OF SUSPENDED SEDIMENT IN SHORE-NORMAL BEACH PROFILE CHANGES.","interactions":[],"lastModifiedDate":"2012-03-12T17:18:38","indexId":"70013535","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"ROLE OF SUSPENDED SEDIMENT IN SHORE-NORMAL BEACH PROFILE CHANGES.","docAbstract":"Field measurements of suspended sediment-transport were made across a dissipative surf zone during a storm. A correlation between high suspended mass in the water column and periods of onshore flow caused a net onshore transport of suspended sediment even though the mean near-bottom flow was directed offshore. The observed onshore migration of a nearshore bar was predicted by gradients in the cross-shore suspended-sediment transport.","largerWorkTitle":"Proceedings of the Coastal Engineering Conference","conferenceTitle":"Nineteenth Coastal Engineering Conference, Proceedings of the International Conference.","conferenceLocation":"Houston, TX, USA","language":"English","publisher":"ASCE","publisherLocation":"New York, NY, USA","isbn":"0872624382","usgsCitation":"Jaffe, B.E., Sternberg, R.W., and Sallgenger, A.H., 1985, ROLE OF SUSPENDED SEDIMENT IN SHORE-NORMAL BEACH PROFILE CHANGES., in Proceedings of the Coastal Engineering Conference, v. 2, Houston, TX, USA, p. 1983-1996.","startPage":"1983","endPage":"1996","numberOfPages":"14","costCenters":[],"links":[{"id":219924,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a936ce4b0c8380cd80de4","contributors":{"editors":[{"text":"Edge, Billy L.","contributorId":64575,"corporation":false,"usgs":true,"family":"Edge","given":"Billy","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":508495,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Jaffe, Bruce E. 0000-0002-8816-5920 bjaffe@usgs.gov","orcid":"https://orcid.org/0000-0002-8816-5920","contributorId":2049,"corporation":false,"usgs":true,"family":"Jaffe","given":"Bruce","email":"bjaffe@usgs.gov","middleInitial":"E.","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":366289,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sternberg, Richard W.","contributorId":101005,"corporation":false,"usgs":true,"family":"Sternberg","given":"Richard","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":366291,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sallgenger, Asbury H.","contributorId":6581,"corporation":false,"usgs":true,"family":"Sallgenger","given":"Asbury","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":366290,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70013047,"text":"70013047 - 1985 - Possible precipitation of ice at low latitudes of Mars during periods of high obliquity","interactions":[],"lastModifiedDate":"2012-03-12T17:18:38","indexId":"70013047","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Possible precipitation of ice at low latitudes of Mars during periods of high obliquity","docAbstract":"Most of the old cratered highlands of Mars are dissected by branching river valleys that appear to have been cut by running water1,2 yet liquid water is unstable everywhere on the martian surface. In the equatorial region, where most of the valleys are observed, even ice is unstable3,4. It has been suggested, therefore, that Mars had an early denser atmosphere with sufficient greenhouse warming to allow the existence of liquid water 5. Here, we suggest instead that during periods of very high obliquities, ice could accumulate at low latitudes as a result of sustained sublimation of ice from the poles and transport of the water vapour equatorwards. At low latitudes, the water vapour would saturate the atmosphere and condense onto the surface where it would accumulate until lower obliquities prevailed. The mechanism is efficient only at the very high obliquities that occurred before formation of Tharsis very early in the planet's history, but limited equatorial ice accumulation could also have occurred at the highest obliquities during the rest of the planet's history. Partial melting of the ice could have provided runoff to form the channels or replenish the groundwater system. ?? 1985 Nature Publishing Group.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1038/315559a0","issn":"00280836","usgsCitation":"Jakosky, B., and Carr, M.H., 1985, Possible precipitation of ice at low latitudes of Mars during periods of high obliquity: Nature, v. 315, no. 6020, p. 559-561, https://doi.org/10.1038/315559a0.","startPage":"559","endPage":"561","numberOfPages":"3","costCenters":[],"links":[{"id":205008,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/315559a0"},{"id":220122,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"315","issue":"6020","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7e35e4b0c8380cd7a3d2","contributors":{"authors":[{"text":"Jakosky, B. M.","contributorId":103003,"corporation":false,"usgs":false,"family":"Jakosky","given":"B. M.","affiliations":[],"preferred":false,"id":365162,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carr, M. H.","contributorId":84727,"corporation":false,"usgs":true,"family":"Carr","given":"M.","email":"","middleInitial":"H.","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":false,"id":365161,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70013069,"text":"70013069 - 1985 - Assessment of long-term salinity changes in an irrigated stream-aquifer system","interactions":[],"lastModifiedDate":"2020-01-19T11:09:19","indexId":"70013069","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Assessment of long-term salinity changes in an irrigated stream-aquifer system","docAbstract":"Changes in salinity in groundwater and surface water in the Arkansas River valley of southeastern Colorado are primarily related to irrigation practices. A solute transport model was applied to an 11-mile reach of the valley to compute salinity changes in response to spatially and temporally varying stresses. The model was calibrated in 1973 using detailed field measurements made during 1971 and 1972. In 1973 the calibrated model was used to predict that a gradual long-term increase in groundwater salinity of about 2–3% per year would occur if the observed irrigation practices continued. The study area was resampled during the winter of 1982 to help evaluate if any long-term changes in salinity are actually occurring. Nonparametric and parametric statistical tests were used to help assess the significance of observed changes in groundwater salinity. These tests indicate that a statistically significant increase in salinity occurred between the winters of 1971 and 1972 (the model calibration period). However, a comparison of the winter 1972 and winter 1982 data indicates that no significant net change in salinity has occurred during this 10-year period. An analysis of the few available historical data (1895, 1923, 1959–1961, and 1964) supports the hypothesis that groundwater salinity in this irrigated area has reached a long-term dynamic equilibrium in response to irrigation practices. The model predictions of long-term salinity increases were invalid probably because the calibration period occurred during a short-term annual trend of increasing salinity in the river (and hence in leaky irrigation canals and in applied irrigation water), which was not representative of the long-term trend.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR021i011p01611","usgsCitation":"Konikow, L.F., and Person, M., 1985, Assessment of long-term salinity changes in an irrigated stream-aquifer system: Water Resources Research, v. 21, no. 11, p. 1611-1624, https://doi.org/10.1029/WR021i011p01611.","productDescription":"14 p.","startPage":"1611","endPage":"1624","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":220405,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"Arkansas River valley","volume":"21","issue":"11","noUsgsAuthors":false,"publicationDate":"2008-01-08","publicationStatus":"PW","scienceBaseUri":"5059e637e4b0c8380cd47268","contributors":{"authors":[{"text":"Konikow, Leonard F. 0000-0002-0940-3856 lkonikow@usgs.gov","orcid":"https://orcid.org/0000-0002-0940-3856","contributorId":158,"corporation":false,"usgs":true,"family":"Konikow","given":"Leonard","email":"lkonikow@usgs.gov","middleInitial":"F.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true}],"preferred":true,"id":365210,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Person, Mark","contributorId":55568,"corporation":false,"usgs":true,"family":"Person","given":"Mark","affiliations":[],"preferred":false,"id":365211,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70013048,"text":"70013048 - 1985 - The role of erosion by fish in shaping topography around Hudson submarine canyon.","interactions":[],"lastModifiedDate":"2017-10-04T16:38:35","indexId":"70013048","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2450,"text":"Journal of Sedimentary Petrology","active":true,"publicationSubtype":{"id":10}},"title":"The role of erosion by fish in shaping topography around Hudson submarine canyon.","docAbstract":"An 800-km 2 area of rough topography around the head of Hudson Canyon off the eastern United States is attributed to erosion by tilefish ( Lopholatilus chamaeleonticeps ) and associated species of crustaceans. The rough topography has a relief of 1-10 m, occurs in water depths of 120-500 m, and has been cut into a semilithified, silty clay substrate since the onset of the Holocene transgression. Commercial fishing activity indicates that a large population of tilefish, which dig burrows in the sea floor, occupy the area of the rough topography. Average tilefish burrows are 1.6 m in diameter and 1.7 m in depth. They have a clustered, not uniform, distribution, and their average density is 2,500 per km 2 . The close match of areas of rough topography and high tilefish populations, the active burrowing of the sea floor, and the clustered distribution of the burrows suggest that the hummocky topography in this area may be the result of continuous erosion by tilefish and associated crustaceans during the Holocene. An erosion rate of 13 cm per 1,000 years is necessary to create this topography during the past 13,000 years--and 18 cm per 1,000 years if(as is more likely based on the depths at which tilefish presently are found) the erosion started 9,000 years ago.
","language":"English","publisher":"Society for Sedimentary Geology","doi":"10.1306/212F87C9-2B24-11D7-8648000102C1865D","issn":"00224472","usgsCitation":"Twichell, D., Grimes, C.B., Jones, R.S., and Able, K., 1985, The role of erosion by fish in shaping topography around Hudson submarine canyon.: Journal of Sedimentary Petrology, v. 55, no. 5, p. 712-719, https://doi.org/10.1306/212F87C9-2B24-11D7-8648000102C1865D.","productDescription":"8 p.","startPage":"712","endPage":"719","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":220171,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New York","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -72.6,\n 39\n ],\n [\n -72,\n 39\n ],\n [\n -72,\n 39.75\n ],\n [\n -72.6,\n 39.75\n ],\n [\n -72.6,\n 39\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"55","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505baf6be4b08c986b32479a","contributors":{"authors":[{"text":"Twichell, D.C.","contributorId":84304,"corporation":false,"usgs":true,"family":"Twichell","given":"D.C.","affiliations":[],"preferred":false,"id":365166,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grimes, Craig B.","contributorId":68261,"corporation":false,"usgs":true,"family":"Grimes","given":"Craig","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":365165,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jones, R. S.","contributorId":26288,"corporation":false,"usgs":true,"family":"Jones","given":"R.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":365163,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Able, K.W.","contributorId":66786,"corporation":false,"usgs":true,"family":"Able","given":"K.W.","email":"","affiliations":[],"preferred":false,"id":365164,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":29669,"text":"wri844128 - 1985 - A conceptual ground-water-quality monitoring network for San Fernando Valley, California","interactions":[],"lastModifiedDate":"2023-04-06T18:23:59.479672","indexId":"wri844128","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"84-4128","title":"A conceptual ground-water-quality monitoring network for San Fernando Valley, California","docAbstract":"A conceptual groundwater-quality monitoring network was developed for San Fernando Valley to provide the California State Water Resources Control Board with an integrated, basinwide control system to monitor the quality of groundwater. The geology, occurrence and movement of groundwater, land use, background water quality, and potential sources of pollution were described and then considered in designing the conceptual monitoring network. The network was designed to monitor major known and potential point and nonpoint sources of groundwater contamination over time. The network is composed of 291 sites where wells are needed to define the groundwater quality. The ideal network includes four specific-purpose networks to monitor (1) ambient water quality, (2) nonpoint sources of pollution, (3) point sources of pollution, and (4) line sources of pollution.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri844128","usgsCitation":"Setmire, J.G., 1985, A conceptual ground-water-quality monitoring network for San Fernando Valley, California: U.S. Geological Survey Water-Resources Investigations Report 84-4128, Report: iv, 49 p.; 6 Plates: 35.96 x 24.93 inches or smaller, https://doi.org/10.3133/wri844128.","productDescription":"Report: iv, 49 p.; 6 Plates: 35.96 x 24.93 inches or smaller","costCenters":[],"links":[{"id":415361,"rank":9,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_36006.htm","linkFileType":{"id":5,"text":"html"}},{"id":58497,"rank":8,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58498,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1984/4128/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58496,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58495,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58494,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58493,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":58492,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/wri/1984/4128/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":122748,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1984/4128/report-thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Fernando Valley","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -118.669,\n 34.375\n ],\n [\n -118.669,\n 34.083\n ],\n [\n -118.196,\n 34.083\n ],\n [\n -118.196,\n 34.375\n ],\n [\n -118.669,\n 34.375\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b26e4b07f02db6b000d","contributors":{"authors":[{"text":"Setmire, J. G.","contributorId":16818,"corporation":false,"usgs":true,"family":"Setmire","given":"J.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":201927,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013068,"text":"70013068 - 1985 - Geochemistry of groundwater in Cretaceous sediments of the southeastern coastal plain of eastern Mississippi and western Alabama","interactions":[],"lastModifiedDate":"2018-02-12T18:01:26","indexId":"70013068","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Geochemistry of groundwater in Cretaceous sediments of the southeastern coastal plain of eastern Mississippi and western Alabama","docAbstract":"Geochemical samples of waters along two hydrologic flow paths in four Upper Cretaceous aquifers of northeastern Mississippi and western Alabama indicate similar geochemical evolution of their respective waters. The waters of the Coker, Gordo, and Eutaw-McShan aquifers, noncalcareous sands, increase downgradient in dissolved solids and pH, and are dominated by sodium and bicarbonate ions, which generally result from a calcite dissolution-cation exchange process. Increases in dissolved iron from oxidation reduction reactions followed by decreases in total inorganic carbon from siderite precipitation occur along the flow paths. As the total inorganic carbon increases, carbon 13 (δ13C) generally is enriched in the moving waters, indicating the addition of a predominantly heavy source of carbon, most likely dissolving calcite. In the Coker aquifer δ13C values in the waters become more negative downgradient, resulting from lignite oxidation, followed by δ13C values becoming more positive, resulting from dissolving calcite and perhaps some mixing with brines. In northeastern Mississippi the Ripley aquifer, a calcareous sand, initially contains calcium-bicarbonate dominated water that evolves to a sodium- bicarbonate dominated water downgradient, primarily from the calcite dissolution-cation exchange process. Feldspar hydrolysis to kaolinite dominates aluminosilicate reactions in the upgradient parts of the aquifers. Authigenesis of smectite clay may be occurring in the deeper, downgradient parts of the aquifers.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR021i010p01545","usgsCitation":"Lee, R.W., 1985, Geochemistry of groundwater in Cretaceous sediments of the southeastern coastal plain of eastern Mississippi and western Alabama: Water Resources Research, v. 21, no. 10, p. 1545-1556, https://doi.org/10.1029/WR021i010p01545.","productDescription":"12 p.","startPage":"1545","endPage":"1556","costCenters":[],"links":[{"id":220404,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alabama, Mississippi","otherGeospatial":"Southeastern Coastal Plain","volume":"21","issue":"10","noUsgsAuthors":false,"publicationDate":"2008-01-08","publicationStatus":"PW","scienceBaseUri":"505a16fbe4b0c8380cd55334","contributors":{"authors":[{"text":"Lee, Roger W.","contributorId":105273,"corporation":false,"usgs":true,"family":"Lee","given":"Roger","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":365209,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":28497,"text":"wri844351 - 1985 - A preliminary evaluation of hydrology and water quality near the Tacoma landfill, Pierce County, Washington","interactions":[],"lastModifiedDate":"2023-04-06T18:37:41.574409","indexId":"wri844351","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"84-4351","title":"A preliminary evaluation of hydrology and water quality near the Tacoma landfill, Pierce County, Washington","docAbstract":"The Tacoma landfill, located in western Pierce County, Washington, has been used for the disposal of waste since about 1960. Disposal operations are planned to continue at this site until at least 1990. Data were compiled and interpreted to help understand the possible effects of the landfill on water quality in the surrounding area. Data were collected from published and unpublished reports of the U.S. Geological Survey, and from predominantly unpublished data in the files of other government agencies. The Tacoma landfill is underlain by unconsolidated, glacially derived deposits that consist of a wide variety of mixtures of clay to boulder-sized materials. Ground water is mostly the result of rainfall on the land surface, and moves through artesian aquifers (under the landfill) that are tapped for both domestic and municipal use. Hazardous liquid and dissolved wastes are probably present in the landfill, and potential flow paths for waste migration exist. An undetermined number of single-family domestic wells and 18 public-supply wells are within 3 miles of the landfill, three as close as 0.2 miles. There is only limited evidence indicating ground- and surface-water contamination. Further investigations of the geology, hydrology and water quality are needed to characterize the impact the landfill has on ground- and surface-water of the surrounding area.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri844351","usgsCitation":"Lum, W., and Turney, G.L., 1985, A preliminary evaluation of hydrology and water quality near the Tacoma landfill, Pierce County, Washington: U.S. Geological Survey Water-Resources Investigations Report 84-4351, v, 35 p., https://doi.org/10.3133/wri844351.","productDescription":"v, 35 p.","costCenters":[],"links":[{"id":57299,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1984/4351/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":122670,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1984/4351/report-thumb.jpg"},{"id":415365,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_36184.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Washington","city":"Tacoma","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -122.543,\n 47.239\n ],\n [\n -122.543,\n 47.185\n ],\n [\n -122.457,\n 47.185\n ],\n [\n -122.457,\n 47.239\n ],\n [\n -122.543,\n 47.239\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd4964e4b0b290850ef1eb","contributors":{"authors":[{"text":"Lum, W. E.","contributorId":57847,"corporation":false,"usgs":true,"family":"Lum","given":"W. E.","affiliations":[],"preferred":false,"id":199913,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Turney, G. L.","contributorId":95070,"corporation":false,"usgs":true,"family":"Turney","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":199914,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70013046,"text":"70013046 - 1985 - Limnocythere bradburyi n.sp.: a modern ostracode from central Mexico and a possible Quaternary paleoclimatic indicator","interactions":[],"lastModifiedDate":"2024-06-21T11:20:27.045129","indexId":"70013046","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2412,"text":"Journal of Paleontology","active":true,"publicationSubtype":{"id":10}},"title":"Limnocythere bradburyi n.sp.: a modern ostracode from central Mexico and a possible Quaternary paleoclimatic indicator","docAbstract":"Limnocythere bradburyi is a new species of nonmarine ostracode that is living in several lakes in the central Mexican Plateau. These lakes are shallow, turbid, and pan-shaped, having relatively unstable and fluid substrates. Water levels of these lakes are high in the summer and low or dry in the winter. These lakes usually contain fresh to slightly saline water during the rainy season (summer-fall) and slightly saline water during the dry season (winter-spring), and have solute composition that is dominated by Na+, HCO3--CO32-, Cl- ions. The regional climate is characterized as humid temperate with mild equitable temperatures throughout the year. Winter temperatures are usually above 0oC, whereas summer temperatures are commonly below 30oC. The water temperature of the lakes containing L. bradburyi generally reflects atmospheric temperatures. The ostracode's life cycle coincides with the climatic wet cycle and is therefore completed during the warmest period of the year, which is in marked contrast to ostracodes living in lakes in the US and Canada that usually begin their life cycle with the spring rain and snow melt in cold water and complete their life cycle in warm water. This contrasting climatic life-cycle pattern between central Mexico and the US may be sufficient to explain why L. bradburyi occurs commonly in many Quaternary deposits in the southwestern US, but has not been found living in the US.
","language":"English","publisher":"Paleontological Society","issn":"00223360","usgsCitation":"Forester, R.M., 1985, Limnocythere bradburyi n.sp.: a modern ostracode from central Mexico and a possible Quaternary paleoclimatic indicator: Journal of Paleontology, v. 59, no. 1, p. 8-20.","productDescription":"13 p.","startPage":"8","endPage":"20","numberOfPages":"13","costCenters":[],"links":[{"id":430406,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/1304823"},{"id":220121,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"59","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4797e4b0c8380cd678e9","contributors":{"authors":[{"text":"Forester, R. M.","contributorId":76332,"corporation":false,"usgs":true,"family":"Forester","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":365160,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013252,"text":"70013252 - 1985 - SIMULATING FLOW IN THE TIDAL POTOMAC RIVER.","interactions":[],"lastModifiedDate":"2012-03-12T17:18:33","indexId":"70013252","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"SIMULATING FLOW IN THE TIDAL POTOMAC RIVER.","docAbstract":"A one-dimensional unsteady flow model has been applied to the tidal Potomac River, including its major tributaries and marginal embayments, between Washington, D. C. and Indian Head, Md. The computer model has been calibrated to simulate the combined effects of tide, freshwater inflows, and wind conditions governing flow in the system of channels. The comprehensive flow data provided by the model can be used to better understand the physical, geochemical, biological, and other processes that affect the river's water quality.","conferenceTitle":"Hydraulics and Hydrology in the Small Computer Age, Proceedings of the Specialty Conference.","conferenceLocation":"Lake Buena Vista, FL, USA","language":"English","publisher":"ASCE","publisherLocation":"New York, NY, USA","isbn":"0872624749","usgsCitation":"Schaffranek, R.W., 1985, SIMULATING FLOW IN THE TIDAL POTOMAC RIVER., Hydraulics and Hydrology in the Small Computer Age, Proceedings of the Specialty Conference., Lake Buena Vista, FL, USA, p. 134-140.","startPage":"134","endPage":"140","numberOfPages":"7","costCenters":[],"links":[{"id":220471,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aaf56e4b0c8380cd8752e","contributors":{"authors":[{"text":"Schaffranek, Raymond W.","contributorId":86314,"corporation":false,"usgs":true,"family":"Schaffranek","given":"Raymond","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":365642,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70175631,"text":"70175631 - 1985 - Identification and tabulation of geological contacts in the Edwards aquifer, San Antonio area, Texas","interactions":[],"lastModifiedDate":"2016-08-17T13:50:47","indexId":"70175631","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":2,"text":"State or Local Government Series"},"seriesTitle":{"id":5176,"text":"Texas Department of Water Resources Report","active":true,"publicationSubtype":{"id":2}},"seriesNumber":"LP-199","title":"Identification and tabulation of geological contacts in the Edwards aquifer, San Antonio area, Texas","docAbstract":"No abstract available.
","language":"English","publisher":"Texas Department of Water Resources","usgsCitation":"Small, T.A., 1985, Identification and tabulation of geological contacts in the Edwards aquifer, San Antonio area, Texas: Texas Department of Water Resources Report LP-199, 54 p.","productDescription":"54 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":326714,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57b58b51e4b03bcb0104bc1a","contributors":{"authors":[{"text":"Small, T. A.","contributorId":105731,"corporation":false,"usgs":true,"family":"Small","given":"T.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":645894,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1000355,"text":"1000355 - 1985 - Introduction and spread of the threespine stickleback (Gasterosteus aculeatus) in Lakes Huron and Michigan","interactions":[],"lastModifiedDate":"2016-03-28T13:06:41","indexId":"1000355","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2330,"text":"Journal of Great Lakes Research","active":true,"publicationSubtype":{"id":10}},"title":"Introduction and spread of the threespine stickleback (Gasterosteus aculeatus) in Lakes Huron and Michigan","docAbstract":"The threespine stickleback (Gasterosteus aculeatus) was not known to occur in the Great Lakes above Niagara Falls until 1980, when it was collected in South Bay, Manitoulin Island, in the Lake Huron basin. By 1984 this species had been found in tributaries of Lakes Huron and Michigan, and in the open waters of both lakes. All specimens identified were the completely plated morph that is most prevalent in fresh water along the east coast of North America. The status of this species in Lakes Huron and Michigan appears to be “Possibly Established.” If threespine stickleback increase in abundance they may eventually provide additional forage for large salmonids.
","language":"English","publisher":"Elsevier","doi":"10.1016/S0380-1330(85)71794-7","usgsCitation":"Stedman, R.M., and Bowen, C.A., 1985, Introduction and spread of the threespine stickleback (Gasterosteus aculeatus) in Lakes Huron and Michigan: Journal of Great Lakes Research, v. 11, no. 4, p. 508-511, https://doi.org/10.1016/S0380-1330(85)71794-7.","productDescription":"4 p.","startPage":"508","endPage":"511","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":133153,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49c1e4b07f02db5d3442","contributors":{"authors":[{"text":"Stedman, Ralph M.","contributorId":60578,"corporation":false,"usgs":true,"family":"Stedman","given":"Ralph","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":308444,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bowen, Charles A. II","contributorId":30940,"corporation":false,"usgs":true,"family":"Bowen","given":"Charles","suffix":"II","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":308443,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70013204,"text":"70013204 - 1985 - ANALYZING NUMERICAL ERRORS IN DOMAIN HEAT TRANSPORT MODELS USING THE CVBEM.","interactions":[],"lastModifiedDate":"2012-03-12T17:18:25","indexId":"70013204","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"ANALYZING NUMERICAL ERRORS IN DOMAIN HEAT TRANSPORT MODELS USING THE CVBEM.","docAbstract":"Besides providing an exact solution for steady-state heat conduction processes (Laplace Poisson equations), the CVBEM (complex variable boundary element method) can be used for the numerical error analysis of domain model solutions. For problems where soil water phase change latent heat effects dominate the thermal regime, heat transport can be approximately modeled as a time-stepped steady-state condition in the thawed and frozen regions, respectively. The CVBEM provides an exact solution of the two-dimensional steady-state heat transport problem, and also provides the error in matching the prescribed boundary conditions by the development of a modeling error distribution or an approximative boundary generation. This error evaluation can be used to develop highly accurate CVBEM models of the heat transport process, and the resulting model can be used as a test case for evaluating the precision of domain models based on finite elements or finite differences.","largerWorkTitle":"Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium","conferenceTitle":"Proceedings of the Fourth International Offshore Mechanics and Arctic Engineering Symposium. Presented at the 1985 ASME Energy-Sources Technology Conference & Exhibition.","conferenceLocation":"Dallas, TX, USA","language":"English","publisher":"ASME","publisherLocation":"New York, NY, USA","usgsCitation":"Hromadka, T., 1985, ANALYZING NUMERICAL ERRORS IN DOMAIN HEAT TRANSPORT MODELS USING THE CVBEM., in Proceedings of the International Offshore Mechanics and Arctic Engineering Symposium, v. 2, Dallas, TX, USA, p. 22-30.","startPage":"22","endPage":"30","numberOfPages":"9","costCenters":[],"links":[{"id":219840,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e62ee4b0c8380cd47207","contributors":{"editors":[{"text":"Chung Jin S.Lunardini Virgil J.Chakrabarti S.K.Wang Y.S.Sodhi D.S.Karal K.","contributorId":128309,"corporation":true,"usgs":false,"organization":"Chung Jin S.Lunardini Virgil J.Chakrabarti S.K.Wang Y.S.Sodhi D.S.Karal K.","id":536265,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Hromadka, T. V. II","contributorId":76464,"corporation":false,"usgs":true,"family":"Hromadka","given":"T. V.","suffix":"II","affiliations":[],"preferred":false,"id":365539,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70013116,"text":"70013116 - 1985 - Type curve analysis of inertial effects in the response of a well to a slug test.","interactions":[],"lastModifiedDate":"2018-02-12T18:03:12","indexId":"70013116","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Type curve analysis of inertial effects in the response of a well to a slug test.","docAbstract":"The water level response to a slug or bailer test in a well completed in a confined aquifer has been evaluated taking into account well-bore storage and inertial effects of the water column in the well. The response range, from overdamped with negligible inertial effects to damped oscillation, was covered employing numerical inversions of the Laplace-transform solution. By scaling the time with respect to the undamped natural period of the well-aquifer system and by using the damping parameter for a second-order damped, inertial-elastic system, a set of type curves was constructed that enables water level response data from a slug or bailer test to be analyzed under conditions where the inertial parameter is large. Values of transmissivity and effective static water column length can be determined when an estimate of storage coefficient is available. The numerical solution and resulting type curves cover the transition range between the limiting cases of negligible inertial effects and of damped oscillation that have been treated by others. Two examples of slug test analysis show that precise results depend on accurate measurements of water level displacement (±1% of initial value).
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR021i009p01397","usgsCitation":"Kipp, K.L., 1985, Type curve analysis of inertial effects in the response of a well to a slug test.: Water Resources Research, v. 21, no. 9, p. 1397-1408, https://doi.org/10.1029/WR021i009p01397.","productDescription":"12 p.","startPage":"1397","endPage":"1408","costCenters":[],"links":[{"id":220073,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"9","noUsgsAuthors":false,"publicationDate":"2008-01-08","publicationStatus":"PW","scienceBaseUri":"505bb9ace4b08c986b327d29","contributors":{"authors":[{"text":"Kipp, Kenneth L. Jr.","contributorId":189754,"corporation":false,"usgs":false,"family":"Kipp","given":"Kenneth","suffix":"Jr.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":365333,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012762,"text":"70012762 - 1985 - Lognormal field size distributions as a consequence of economic truncation","interactions":[],"lastModifiedDate":"2012-03-12T17:18:43","indexId":"70012762","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2554,"text":"Journal of the International Association for Mathematical Geology","active":true,"publicationSubtype":{"id":10}},"title":"Lognormal field size distributions as a consequence of economic truncation","docAbstract":"The assumption of lognormal (parent) field size distributions has for a long time been applied to resource appraisal and evaluation of exploration strategy by the petroleum industry. However, frequency distributions estimated with observed data and used to justify this hypotheses are conditional. Examination of various observed field size distributions across basins and over time shows that such distributions should be regarded as the end result of an economic filtering process. Commercial discoveries depend on oil and gas prices and field development costs. Some new fields are eliminated due to location, depths, or water depths. This filtering process is called economic truncation. Economic truncation may occur when predictions of a discovery process are passed through an economic appraisal model. We demonstrate that (1) economic resource appraisals, (2) forecasts of levels of petroleum industry activity, and (3) expected benefits of developing and implementing cost reducing technology are sensitive to assumptions made about the nature of that portion of (parent) field size distribution subject to economic truncation. ?? 1985 Plenum Publishing Corporation.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of the International Association for Mathematical Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Kluwer Academic Publishers-Plenum Publishers","doi":"10.1007/BF01032925","issn":"00205958","usgsCitation":"Attanasi, E.D., and Drew, L., 1985, Lognormal field size distributions as a consequence of economic truncation: Journal of the International Association for Mathematical Geology, v. 17, no. 4, p. 335-351, https://doi.org/10.1007/BF01032925.","startPage":"335","endPage":"351","numberOfPages":"17","costCenters":[],"links":[{"id":222743,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":205292,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF01032925"}],"volume":"17","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a494ae4b0c8380cd684b8","contributors":{"authors":[{"text":"Attanasi, E. D. 0000-0001-6845-7160","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":107672,"corporation":false,"usgs":true,"family":"Attanasi","given":"E.","middleInitial":"D.","affiliations":[],"preferred":false,"id":364459,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Drew, L.J.","contributorId":69157,"corporation":false,"usgs":true,"family":"Drew","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":364458,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012921,"text":"70012921 - 1985 - A two-dimensional dam-break flood plain model","interactions":[],"lastModifiedDate":"2023-02-01T17:33:30.595254","indexId":"70012921","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":664,"text":"Advances in Water Resources","active":true,"publicationSubtype":{"id":10}},"title":"A two-dimensional dam-break flood plain model","docAbstract":"A simple two-dimensional dam-break model is developed for flood plain study purposes. Both a finite difference grid and an irregular triangle element integrated finite difference formulation are presented. The governing flow equations are approximately solved as a diffusion model coupled to the equation of continuity. Application of the model to a hypothetical dam-break study indicates that the approach can be used to predict a two-dimensional dam-break flood plain over a broad, flat plain more accurately than a one-dimensional model, especially when the flow can break-out of the main channel and then return to the channel at other downstream reaches. ?? 1985.","language":"English","publisher":"Elsevier","doi":"10.1016/0309-1708(85)90074-0","usgsCitation":"Hromadka, T., Berenbrock, C., Freckleton, J.R., and Guymon, G.L., 1985, A two-dimensional dam-break flood plain model: Advances in Water Resources, v. 8, no. 1, p. 7-14, https://doi.org/10.1016/0309-1708(85)90074-0.","productDescription":"8 p.","startPage":"7","endPage":"14","numberOfPages":"8","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":222387,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e608e4b0c8380cd470fb","contributors":{"authors":[{"text":"Hromadka, T. V. II","contributorId":76464,"corporation":false,"usgs":true,"family":"Hromadka","given":"T. V.","suffix":"II","affiliations":[],"preferred":false,"id":364842,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berenbrock, C. E.","contributorId":103321,"corporation":false,"usgs":true,"family":"Berenbrock","given":"C. E.","affiliations":[],"preferred":false,"id":364845,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Freckleton, J. R.","contributorId":93498,"corporation":false,"usgs":true,"family":"Freckleton","given":"J.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":364844,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Guymon, G. L.","contributorId":83941,"corporation":false,"usgs":true,"family":"Guymon","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":364843,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012915,"text":"70012915 - 1985 - Installation of observation wells on hazardous waste sites in Kansas using a hollow-stem auger","interactions":[],"lastModifiedDate":"2013-02-24T11:08:09","indexId":"70012915","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1864,"text":"Ground Water Monitoring and Remediation","active":true,"publicationSubtype":{"id":10}},"title":"Installation of observation wells on hazardous waste sites in Kansas using a hollow-stem auger","docAbstract":"Noncontaminating procedures were used during the hollow-stem auger installation of 12 observation wells on three hazardous waste sites in Kansas. Special precautions were taken to ensure that water samples were representative of the ground water in the aquifer and were not subjected to contamination from the land surface or cross contamination from within borehole. Precautions included thorough cleaning of the hollow-stem auger and casing, keeping drill cuttings from falling back into the borehole while drilling, and not adding water to the borehole. These procedures were designed to prevent contamination of the ground water during well installation. Because of the use of water during well installation could contaminate the aquifer or dilute contaminants already present in the aquifer, two methods of well installation that did not introduce outside water to the borehole were used. The first method involved using a slotted 3/4 -inch coupling that was attached to the bit plate of the hollow-stem auger, allowing formation water to enter the auger, thereby preventing sand-plug formation. This method proved to be adequate, except when drilling through clay layers, which tended to clog the slotted coupling. The second method involved screened well swab that allowed only formation water to enter the hollow-stem auger and prevented sand from plugging the hollow-stem auger when the bit plate was removed.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ground Water Monitoring and Remediation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1111/j.1745-6592.1985.tb00941.x","usgsCitation":"Perry, C.A., and Hart, R.J., 1985, Installation of observation wells on hazardous waste sites in Kansas using a hollow-stem auger: Ground Water Monitoring and Remediation, v. 5, no. 4, p. 70-73, https://doi.org/10.1111/j.1745-6592.1985.tb00941.x.","startPage":"70","endPage":"73","numberOfPages":"4","costCenters":[],"links":[{"id":222330,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":268113,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1745-6592.1985.tb00941.x"}],"volume":"5","issue":"4","noUsgsAuthors":false,"publicationDate":"2007-02-22","publicationStatus":"PW","scienceBaseUri":"505a3c27e4b0c8380cd62afc","contributors":{"authors":[{"text":"Perry, C. A.","contributorId":106149,"corporation":false,"usgs":true,"family":"Perry","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":364826,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hart, R. J.","contributorId":62607,"corporation":false,"usgs":true,"family":"Hart","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":364825,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012734,"text":"70012734 - 1985 - Seismic and geochemical evidence for shallow gas in sediment on Navarin continental margin, Bering Sea","interactions":[],"lastModifiedDate":"2023-01-12T16:19:34.066694","indexId":"70012734","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":701,"text":"American Association of Petroleum Geologists Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Seismic and geochemical evidence for shallow gas in sediment on Navarin continental margin, Bering Sea","docAbstract":"Marine seismic studies coupled with geochemical investigations demonstrate that hydrocarbon gases are ubiquitous in the near-surface (<= 250 m or 820 ft depth) sediment of the Navarin continental margin in the northern Bering Sea. Three types of acoustic anomalies appear to be related to the presence of gas in the sediment. These anomalies are most prevalent in the northern half of the Navarin basin. Acoustic anomalies attributed to gas hydrates and to diagenetic boundaries are present on seismic records of the lower slope between Navarinsky and Zhemchug Canyons.
Hydrocarbon gases, methane through butanes, are common in the surface (<= 5 m or 17 ft depth) sediment of the Navarin continental margin. Methane, the most abundant hydrocarbon gas, is present in amounts ranging from 84,000 to 1 µL/L of wet sediment. These concentrations are two to three orders of magnitude greater than the other hydrocarbon gases. The highest concentrations of methane (greater than 1,000 µL/L) were measured in sediment of Navarinsky Canyon and over the central part of the Navarin basin. The source of methane is mainly biogenic, but the hydrocarbon gas compositions in 17 of 141 cores suggest the presence of thermogenic gas. Most of these 17 cores are from the continental slope at water depths greater than 150 m (490 ft).
No direct correlation could be found between acoustic anomalies and gas concentrations in the sediment. This lack of correlation is probably due to the limited penetration of the gravity corer and the spotty distribution of hydrocarbon concentrations.
","language":"English","publisher":"American Association of Petroleum Geologists","doi":"10.1306/AD462501-16F7-11D7-8645000102C1865D","usgsCitation":"Carlson, P.R., Golan-Bac, M., Karl, H., and Kvenvolden, K.A., 1985, Seismic and geochemical evidence for shallow gas in sediment on Navarin continental margin, Bering Sea: American Association of Petroleum Geologists Bulletin, v. 69, no. 3, p. 422-436, https://doi.org/10.1306/AD462501-16F7-11D7-8645000102C1865D.","productDescription":"15 p.","startPage":"422","endPage":"436","numberOfPages":"15","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":222374,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Russia, United States","state":"Alaska","otherGeospatial":"Bering Sea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -179.9,\n 62\n ],\n [\n -179.9,\n 57\n ],\n [\n -172,\n 57\n ],\n [\n -172,\n 62\n ],\n [\n -179.9,\n 62\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"69","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aaf24e4b0c8380cd873f0","contributors":{"authors":[{"text":"Carlson, Paul R.","contributorId":81469,"corporation":false,"usgs":true,"family":"Carlson","given":"Paul","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":364390,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Golan-Bac, Margaret","contributorId":19169,"corporation":false,"usgs":true,"family":"Golan-Bac","given":"Margaret","email":"","affiliations":[],"preferred":false,"id":364388,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karl, Herman A.","contributorId":55796,"corporation":false,"usgs":true,"family":"Karl","given":"Herman A.","affiliations":[],"preferred":false,"id":364389,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kvenvolden, Keith A. kkvenvolden@usgs.gov","contributorId":3384,"corporation":false,"usgs":true,"family":"Kvenvolden","given":"Keith","email":"kkvenvolden@usgs.gov","middleInitial":"A.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":364387,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012712,"text":"70012712 - 1985 - Recent movement on the Garlock Fault as suggested by water level fluctuations in a well in Fremont Valley, California","interactions":[],"lastModifiedDate":"2024-06-27T15:42:10.956786","indexId":"70012712","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Recent movement on the Garlock Fault as suggested by water level fluctuations in a well in Fremont Valley, California","docAbstract":"Water levels have been continuously recorded since March 1978 in a well in Fremont Valley, where several strands of the adjacent Garlock fault zone have exhibited both left-lateral displacement and components of normal displacement. Differences in water levels indicate that a fault segment lies between the observation well and a nearby irrigation well. During the 4-year recording period, six sharp fluctuations, or “spikes,” were noted. These fluctuations, occurring over 2- to 4-day periods, have amplitudes of 15–30 cm. They appear to be the result of creep events on a nearby fault. Two types of creep events are plausible: (1) normal slip on an en echelon trace of the Garlock fault less than 300 m south of the well, with the north side up relative to Fremont Valley or (2) left-lateral slip on the same fault. Because of the nature of the fluctuations we favor the latter interpretation. Dislocation models utilizing exponential, arc tangent, and skewed cosine functions were used to analyze the water level fluctuations, associated pressure distribution, and fault displacements. The results suggest that creep on the fault ranges from several millimeters to a centimeter for individual events. Estimates of cumulative creep for the period 1978–1982 range from 20 to 50 mm, depending on the particular model employed.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB090iB02p01911","issn":"01480227","usgsCitation":"Lippincott, D.K., Bredehoeft, J.D., and Moyle, W.R., 1985, Recent movement on the Garlock Fault as suggested by water level fluctuations in a well in Fremont Valley, California: Journal of Geophysical Research Solid Earth, v. 90, no. B2, p. 1911-1924, https://doi.org/10.1029/JB090iB02p01911.","productDescription":"14 p.","startPage":"1911","endPage":"1924","numberOfPages":"14","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":222032,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"90","issue":"B2","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"505a9333e4b0c8380cd80c81","contributors":{"authors":[{"text":"Lippincott, Diane K.","contributorId":46218,"corporation":false,"usgs":true,"family":"Lippincott","given":"Diane","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":364296,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bredehoeft, John D.","contributorId":86747,"corporation":false,"usgs":true,"family":"Bredehoeft","given":"John","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":364298,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Moyle, W. R. Jr.","contributorId":85938,"corporation":false,"usgs":true,"family":"Moyle","given":"W.","suffix":"Jr.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":364297,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70013126,"text":"70013126 - 1985 - Conceptual model for origin of abnormally pressured gas accumulations in low-permeability reservoirs","interactions":[],"lastModifiedDate":"2023-01-12T17:12:45.512594","indexId":"70013126","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":701,"text":"American Association of Petroleum Geologists Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Conceptual model for origin of abnormally pressured gas accumulations in low-permeability reservoirs","docAbstract":"The largest gas fields in the Rocky Mountain region occur in abnormally pressured reservoirs. These gas accumulations are different from more conventional gas accumulations in that they are commonly located in basin-center positions, they occur downdip from water-bearing rocks, and they are in overpressured or underpressured low-permeability reservoirs. We suggest that overpressured and underpressured gas accumulations of this type have a common origin.
In basins containing overpressured gas accumulations, rates of thermogenic gas accumulation exceed gas loss, causing fluid (gas) pressure to rise above the regional hydrostatic pressure. Within the overpressured gas generation zone, free water in the larger pores is forced out of the gas generation zone into overlying and updip, normally pressured, water-bearing rocks. The remaining tightly bound water, at irreducible saturation levels, cannot remove dissolution products, precluding significant permeability and porosity enhancement. Thus, while other diagenetic processes continue, a pore network with very low permeability develops. As a result, gas accumulates in these low-permeability reservoirs at rates higher than it is lost.
In basins containing underpressured gas accumulations, rates of gas generation and accumulation are less than gas loss. These basins have typically experienced significant uplift and erosion and/or temporal variations of paleotemperature. Despite these modifications, the basin-center gas accumulation persists, but because of changes in the basin dynamics, the overpressured accumulation evolves into an underpressured system.
","language":"English","publisher":"American Association of Petroleum Geologists","doi":"10.1306/AD462BD7-16F7-11D7-8645000102C1865D","usgsCitation":"Law, B.E., and Dickinson, W.W., 1985, Conceptual model for origin of abnormally pressured gas accumulations in low-permeability reservoirs: American Association of Petroleum Geologists Bulletin, v. 69, no. 8, p. 1295-1304, https://doi.org/10.1306/AD462BD7-16F7-11D7-8645000102C1865D.","productDescription":"10 p.","startPage":"1295","endPage":"1304","numberOfPages":"10","costCenters":[],"links":[{"id":220232,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"69","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f2dee4b0c8380cd4b444","contributors":{"authors":[{"text":"Law, B. E.","contributorId":17586,"corporation":false,"usgs":true,"family":"Law","given":"B.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":365351,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dickinson, W. W.","contributorId":97123,"corporation":false,"usgs":true,"family":"Dickinson","given":"W.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":365352,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ]}