{"pageNumber":"1410","pageRowStart":"35225","pageSize":"25","recordCount":46730,"records":[{"id":70185479,"text":"70185479 - 1992 - Sampling vadose-zone water for a volatile organic compound at Picatinny Arsenal, New Jersey","interactions":[],"lastModifiedDate":"2019-03-14T05:58:20","indexId":"70185479","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","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":"Sampling vadose-zone water for a volatile organic compound at Picatinny Arsenal, New Jersey","docAbstract":"<p><span>A new method of collecting samples of unsaturated-zone water for quantitative analysis for a volatile organic compound, trichloroethene (TCE), was compared to three other, previously described sampling methodologies in the laboratory and in the field. In the laboratory, prepared water samples containing TCE in a known concentration (20 µg/L) were sampled repeatedly by using each of the four methods to quantify method precision and accuracy. To compare the four methods in the field, unsaturated-zone water above a TCE-contaminated water-table aquifer was transferred from a depth of 2 m to land surface with 0.15-m-long suction lysimeters attached to 1.85-m lengths of stainless-steel tubing. Statistical analyses of the laboratory and field data indicate that the new method, which involves collecting the water samples in gas-tight glass syringes, is superior to the other three methods for the quantitative sampling and analysis of TCE on the basis of its high precision and accuracy and ease of use. This method was used to collect additional samples from the field site to quantify the spatial variability of TCE concentrations in the unsaturated-zone water. Results of analysis of variance of the data indicate that the spatial concentration variability is important, and that differences in TCE concentration are statistically significant for horizontal distances less than 3.6 m.</span></p>","language":"English","publisher":"Alliance of Crop, Soil, and Environmental Science Societies ","doi":"10.2134/jeq1992.00472425002100020018x","usgsCitation":"Smith, J., Cho, H.J., Jaffe, P.R., MacLeod, C., and Koehnlein, S.A., 1992, Sampling vadose-zone water for a volatile organic compound at Picatinny Arsenal, New Jersey: Journal of Environmental Quality, v. 21, no. 2, p. 264-271, https://doi.org/10.2134/jeq1992.00472425002100020018x.","productDescription":"8 p. ","startPage":"264","endPage":"271","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":338070,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States ","state":"New Jersey","otherGeospatial":"Picatinny Arsenal ","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -74.5751953125,\n              40.9127342255246\n            ],\n            [\n              -74.50721740722656,\n              40.9127342255246\n            ],\n            [\n              -74.50721740722656,\n              40.973158837894324\n            ],\n            [\n              -74.5751953125,\n              40.973158837894324\n            ],\n            [\n              -74.5751953125,\n              40.9127342255246\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"21","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58d38d60e4b0236b68f98f6e","contributors":{"authors":[{"text":"Smith, James A.","contributorId":68718,"corporation":false,"usgs":true,"family":"Smith","given":"James A.","affiliations":[],"preferred":false,"id":685686,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cho, H. Jean","contributorId":189545,"corporation":false,"usgs":false,"family":"Cho","given":"H.","email":"","middleInitial":"Jean","affiliations":[],"preferred":false,"id":685687,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jaffe, Peter R.","contributorId":22503,"corporation":false,"usgs":true,"family":"Jaffe","given":"Peter","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":685688,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"MacLeod, Cecilia L.","contributorId":62250,"corporation":false,"usgs":true,"family":"MacLeod","given":"Cecilia L.","affiliations":[],"preferred":false,"id":685689,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Koehnlein, Susan A.","contributorId":80550,"corporation":false,"usgs":true,"family":"Koehnlein","given":"Susan","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":685690,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70185792,"text":"70185792 - 1992 - Tensiometers: Theory, construction, and use","interactions":[],"lastModifiedDate":"2019-03-07T07:29:49","indexId":"70185792","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1824,"text":"Geotechnical Testing Journal","active":true,"publicationSubtype":{"id":10}},"title":"Tensiometers: Theory, construction, and use","docAbstract":"<p>Standard tensiometers are used to measure matric potential as low as −870 cm of water in the unsaturated zone by creating a saturated hydraulic link between the soil water and a pressure sensor. The direction and, in some cases, quantity of water flux can be determined using multiple installations.</p><p>A variety of commercial and fabricated tensiometers are commonly used. Saturated porous ceramic materials, which form an interface between the soil water and the bulk water inside the instrument, are available in many shapes, sizes, and pore diameters. A gage, manometer, or electronic pressure transducer is connected to the porous material with small- or large-diameter tubing. Selection of these components allows the user to optimize one or more characteristics, such as accuracy, versatility, response time, durability, maintenance, extent of data collection, and cost.</p><p>Special designs have extended the normal capabilities of tensiometers, allowing measurement in cold or remote areas, measurement of matric potential as low as −153 m of water (−15 bars), measurement at depths as deep as 6 m (recorded at land surface), and automatic measurement using as many as 22 tensiometers connected to a single pressure transducer.</p><p>Continuous hydraulic connection between the porous material and soil, and minimal disturbance of the natural infiltration pattern are necessary for successful installation. Avoidance of errors caused by air invasion, nonequilibrium of the instrument, or pressure-sensor inaccuracy will produce reliable values of matric potential, a first step in characterizing unsaturated flow.</p>","language":"English","publisher":"American Society for Testing and Materials International","doi":"10.1520/GTJ10224J","usgsCitation":"Stannard, D., 1992, Tensiometers: Theory, construction, and use: Geotechnical Testing Journal, v. 15, no. 1, p. 48-58, https://doi.org/10.1520/GTJ10224J.","productDescription":"11 p.","startPage":"48","endPage":"58","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":338540,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"15","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58dcc81ee4b02ff32c685724","contributors":{"authors":[{"text":"Stannard, D.I.","contributorId":100884,"corporation":false,"usgs":true,"family":"Stannard","given":"D.I.","email":"","affiliations":[],"preferred":false,"id":686752,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5222952,"text":"5222952 - 1992 - Survival of cackling Canada geese, 1982-1988","interactions":[],"lastModifiedDate":"2024-12-04T16:52:02.945038","indexId":"5222952","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","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":"Survival of cackling Canada geese, 1982-1988","docAbstract":"<p>We estimated seasonal and annual survival rates of cackling Canada geese (<i>Branta canadensis minima</i>) for the period 1982-1989 to identify periods of high mortality and assess effects of harvest management decisions. We tested hypotheses about age- and sex specific variation in survival, seasonal variation in survival rates, and variation in survival between years in which hunting seasons were open and closed. Geese were marked with individually identifiable neckbands and observed from autumn through spring. We used these data to estimate survival rates for 3-month periods in early (EW) and late (LW) winter and a 6-month period in summer (SU). Mean annual survival rates of immature females were lower than those of adults over the entire study. Survival rates of immature males were lower than those of adults during the 2 years with sport hunting seasons. We found no evidence of sex-specific differences in seasonal or annual survival rates of immature geese. Mean survival rates of adult males and females were similar during EW and LW, but there was evidence of higher survival of females during SU. Annual survival rates of adult females were higher than those of adult males. Mean annual survival rates of adult females and immatures of both sexes were lower in the years during which sport hunting was permitted. Tests for different survival rates in years before and after an agreement with the Eskimos to cease summer hunting yielded equivocal results.</p>","language":"English","publisher":"Wiley","doi":"10.2307/3808791","usgsCitation":"Raveling, D.G., Nichols, J., Hines, J., Zezulak, D.S., Silveira, J.G., Johnson, J.C., Aldrich, T.W., and Weldon, J.A., 1992, Survival of cackling Canada geese, 1982-1988: Journal of Wildlife Management, v. 56, no. 1, p. 63-73, https://doi.org/10.2307/3808791.","productDescription":"11 p.","startPage":"63","endPage":"73","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":487076,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/3808791","text":"Publisher Index Page"},{"id":197689,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska, 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 \"}}]}","volume":"56","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db688191","contributors":{"authors":[{"text":"Raveling, Dennis G.","contributorId":89443,"corporation":false,"usgs":true,"family":"Raveling","given":"Dennis","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":337543,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nichols, James D. jnichols@usgs.gov","contributorId":139082,"corporation":false,"usgs":true,"family":"Nichols","given":"James D.","email":"jnichols@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":337542,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hines, James E. jhines@usgs.gov","contributorId":3506,"corporation":false,"usgs":true,"family":"Hines","given":"James E.","email":"jhines@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":337545,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Zezulak, David S.","contributorId":24461,"corporation":false,"usgs":true,"family":"Zezulak","given":"David","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":337544,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Silveira, Joseph G.","contributorId":65955,"corporation":false,"usgs":true,"family":"Silveira","given":"Joseph","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":337546,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Johnson, James C.","contributorId":78364,"corporation":false,"usgs":true,"family":"Johnson","given":"James","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":337547,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Aldrich, Thomas W.","contributorId":88311,"corporation":false,"usgs":true,"family":"Aldrich","given":"Thomas","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":337549,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Weldon, John A.","contributorId":85688,"corporation":false,"usgs":true,"family":"Weldon","given":"John","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":337548,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":1008642,"text":"1008642 - 1992 - Power of sign surveys to monitor population trend","interactions":[],"lastModifiedDate":"2016-10-13T09:47:00","indexId":"1008642","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","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":"Power of sign surveys to monitor population trend","docAbstract":"<p><span>The urgent need for an effective monitoring scheme for grizzly bear (Ursus arctos) populations led us to investigate the effort required to detect changes in populations of low—density dispersed animals, using sign (mainly scats and tracks) they leave on trails. We surveyed trails in Glacier National Park for bear tracks and scats during five consecutive years. Using these data, we modeled the occurrence of bear sign on trails, then estimated the power of various sampling schemes. Specifically, we explored the power of bear sign surveys to detect a 20% decline in sign occurrence. Realistic sampling schemes appear feasible if the density of sign is high enough, and we provide guidelines for designs with adequate replication to monitor long—term trends of dispersed populations using sign occurrences on trails.</span></p>","language":"English","publisher":"Ecological Society of America","doi":"10.2307/1941877","usgsCitation":"Kendall, K.C., Metzgar, L.H., Patterson, D.A., and Steele, B.M., 1992, Power of sign surveys to monitor population trend: Ecological Applications, v. 2, no. 4, p. 422-430, https://doi.org/10.2307/1941877.","productDescription":"9 p.","startPage":"422","endPage":"430","numberOfPages":"9","costCenters":[],"links":[{"id":132145,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"2","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad3e4b07f02db681d17","contributors":{"authors":[{"text":"Kendall, Katherine C. 0000-0002-4831-2287 kkendall@usgs.gov","orcid":"https://orcid.org/0000-0002-4831-2287","contributorId":3081,"corporation":false,"usgs":true,"family":"Kendall","given":"Katherine","email":"kkendall@usgs.gov","middleInitial":"C.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":318333,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Metzgar, Lee H.","contributorId":39325,"corporation":false,"usgs":true,"family":"Metzgar","given":"Lee","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":318332,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Patterson, David A.","contributorId":175326,"corporation":false,"usgs":false,"family":"Patterson","given":"David","email":"","middleInitial":"A.","affiliations":[{"id":36482,"text":"Department of Mathematical Sciences, University of Montana","active":true,"usgs":false}],"preferred":false,"id":318330,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Steele, Brian M.","contributorId":175327,"corporation":false,"usgs":false,"family":"Steele","given":"Brian","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":318331,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":1017053,"text":"1017053 - 1992 - Evaluation of the effects of candidate molluscicides on two nontarget bivalves","interactions":[],"lastModifiedDate":"2012-02-02T00:09:56","indexId":"1017053","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2455,"text":"Journal of Shellfish Research","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of the effects of candidate molluscicides on two nontarget bivalves","docAbstract":"A variety of molluscicides have been proposed for use in control of zebra mussels (Dreissena polymorpha),  but their effect on nontarget aquatic organisms has not been evaluated. Standard methods were adapted for  assessing the toxicity of candidate molluscicides to two nontarget bivalves. Fingernail clams, Musculium  transversum, and the fawnfoot mussel, Truncilla donaciformis, were selected to represent the two families of  native bivalves. Test organisms were collected from pools 6 to 9 of the Upper Mississippi River near La Crosse,  WI. Static acute toxicity tests were conducted for 48 hours followed by a 96-hour monitoring period in untreated  water to more fully assess survival and mortality. Toxicity data were analyzed by probit analysis to give LC  sub(50) values and 95% confidence limits. The same chemicals as those tested at Ohio State University were  evaluated against zebra mussels. Results from these studies and those conducted at Ohio State University will be  used to evaluate the effectiveness of chemicals in zebra mussel control and their potential hazard to nontarget  organisms.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Shellfish Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"U.S. Fish and Wildlife Service","issn":"00775711","usgsCitation":"Waller, D.L., Marking, L.L., and Rach, J., 1992, Evaluation of the effects of candidate molluscicides on two nontarget bivalves: Journal of Shellfish Research, v. 11, no. 1.","productDescription":"p. 241","startPage":"241","numberOfPages":"241","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":164722,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"11","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a08e4b07f02db5fa3ec","contributors":{"authors":[{"text":"Waller, D. L.","contributorId":43704,"corporation":false,"usgs":true,"family":"Waller","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":324597,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Marking, L. L.","contributorId":90661,"corporation":false,"usgs":true,"family":"Marking","given":"L.","middleInitial":"L.","affiliations":[],"preferred":false,"id":324599,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rach, J.J.","contributorId":73948,"corporation":false,"usgs":true,"family":"Rach","given":"J.J.","email":"","affiliations":[],"preferred":false,"id":324598,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":1014888,"text":"1014888 - 1992 - Molecular and genetic characterization of cytochrome oxidase negative Aeromonas salmonicida isolated from coho salmon (Oncorhynchus kisutch)","interactions":[],"lastModifiedDate":"2024-07-10T11:17:00.353362","indexId":"1014888","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2507,"text":"Journal of Wildlife Diseases","active":true,"publicationSubtype":{"id":10}},"title":"Molecular and genetic characterization of cytochrome oxidase negative Aeromonas salmonicida isolated from coho salmon (Oncorhynchus kisutch)","docAbstract":"<div id=\"9838813\" class=\"article-section-wrapper js-article-section js-content-section  \" data-section-parent-id=\"0\"><p>Cytochrome oxidase variants of the bacterial fish pathogen,<span>&nbsp;</span><i>Aeromonas salmonicida</i>, were characterized for genetic and molecular homology with cytochrome oxidase-positive isolates that typically induce furunculosis in salmonids. Protein and lipopolysaccharide moieties of the cytochrome oxidase-negative variants were similar to their typical counterparts, based on sodium-dodecyl-sulfate polyacrylamide gel electrophoresis. Pathogenicity of aberrant isolates to brook trout (<i>Salvelinus fontinalis</i>) was similar to typical cytochrome oxidase-positive isolates. Colorimetric deoxyribonucleic acid (DNA) hybridization in 96-well microplates yielded homology values greater than 82.5% for typical aberrant<span>&nbsp;</span><i>A. salmonicida</i><span>&nbsp;</span>isolates when photobiotinylated DNA for reference<span>&nbsp;</span><i>A. salmonicida</i><span>&nbsp;</span>3.101 was used as a probe. The only variation of these isolates from typical<span>&nbsp;</span><i>A. salmonicida</i><span>&nbsp;</span>was a negative cytochrome oxidase reaction.</p></div>","language":"English","publisher":"Wildlife Disease Association","doi":"10.7589/0090-3558-28.4.515","usgsCitation":"Teska, J., Cipriano, R.C., and Schill, W.B., 1992, Molecular and genetic characterization of cytochrome oxidase negative Aeromonas salmonicida isolated from coho salmon (Oncorhynchus kisutch): Journal of Wildlife Diseases, v. 28, no. 4, p. 515-520, https://doi.org/10.7589/0090-3558-28.4.515.","productDescription":"6 p.","startPage":"515","endPage":"520","numberOfPages":"6","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":131990,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"28","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b04e4b07f02db69932e","contributors":{"authors":[{"text":"Teska, J.D.","contributorId":15961,"corporation":false,"usgs":true,"family":"Teska","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":321451,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cipriano, R. C.","contributorId":12400,"corporation":false,"usgs":true,"family":"Cipriano","given":"R.","middleInitial":"C.","affiliations":[],"preferred":false,"id":321450,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schill, W. B.","contributorId":60146,"corporation":false,"usgs":true,"family":"Schill","given":"W.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":321452,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70187681,"text":"70187681 - 1992 - Data integration through region-based nominal filtering","interactions":[],"lastModifiedDate":"2017-05-12T14:04:36","indexId":"70187681","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2047,"text":"International Journal of Geographical Information Systems","active":true,"publicationSubtype":{"id":10}},"title":"Data integration through region-based nominal filtering","docAbstract":"<p><span>Resource models integrating disparate nominal or class grid-cell data can be implemented by using spatial filters. Most modelling procedures do not adequately handle noise created during the process of merging and integrating multiple grid-cell data sets. Data integration can be best accomplished in an environment where ready access to statistical and database management systems support the reclassification of noise grid-cells. These systems provide access to functionality and information which support the design of the spatial filter and the evaluation of the result of the spatial filter and the resource model.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/02693799208901929","usgsCitation":"Fosnight, E.A., 1992, Data integration through region-based nominal filtering: International Journal of Geographical Information Systems, v. 6, no. 6, p. 469-478, https://doi.org/10.1080/02693799208901929.","productDescription":"10 p.","startPage":"469","endPage":"478","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":341236,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"6","noUsgsAuthors":false,"publicationDate":"2007-02-05","publicationStatus":"PW","scienceBaseUri":"5916c9bfe4b044b359e486d6","contributors":{"authors":[{"text":"Fosnight, Eugene A. 0000-0002-8557-3697 fosnight@usgs.gov","orcid":"https://orcid.org/0000-0002-8557-3697","contributorId":2961,"corporation":false,"usgs":true,"family":"Fosnight","given":"Eugene","email":"fosnight@usgs.gov","middleInitial":"A.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":695057,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70187578,"text":"70187578 - 1992 - Monitoring rangeland dynamics in Senegal with advanced very high resolution radiometer data","interactions":[],"lastModifiedDate":"2017-05-09T13:41:11","indexId":"70187578","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1753,"text":"Geocarto International","active":true,"publicationSubtype":{"id":10}},"title":"Monitoring rangeland dynamics in Senegal with advanced very high resolution radiometer data","docAbstract":"<p><span>Time‐series Normalized Difference Vegetation Index (NDVI) data, computed from Advanced Very High Resolution Radiometer data, are being used by regional and national programs in the African Sahel to monitor seasonal rangeland conditions. The data are often used as indicators of grazing conditions and drought. However, distinguishing rangelands from other vegetation cover types on NDVI images is difficult. A second complication is that rangeland types and their associated productivity vary geographically by soil type. To effectively assess rangeland conditions, seasonal fluctuations (due to climatic cycles) must be isolated from long‐term production characteristics associated with vegetation type and soil differences. Rangeland NDVI dynamics, including qualitative assessments of rangeland production, and the timing and length of the growing season in Senegal were examined by using 7.4‐km global area coverage satellite data. Analyses were based on 10‐day NDVI composite image data from 1982 through 1989. The NDVI image data were stratified by rangeland and soil polygons derived from locally available resource maps. Time‐series NDVI statistics were calculated from the resource polygons that had been interpreted into high, medium, and low production rangelands. Analysts monitoring rangeland conditions can better identify seasonal anomalies such as drought by comparing production potential within homogeneous; resource polygons with the current NDVI data.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/10106049209354356","usgsCitation":"Tappan, G.G., Tyler, D.J., Wehde, M.E., and Moore, D.G., 1992, Monitoring rangeland dynamics in Senegal with advanced very high resolution radiometer data: Geocarto International, v. 7, no. 1, p. 87-98, https://doi.org/10.1080/10106049209354356.","productDescription":"12 p.","startPage":"87","endPage":"98","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":341007,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5912d53ee4b0e541a03d4559","contributors":{"authors":[{"text":"Tappan, G. Gray 0000-0002-2240-6963 tappan@usgs.gov","orcid":"https://orcid.org/0000-0002-2240-6963","contributorId":3624,"corporation":false,"usgs":true,"family":"Tappan","given":"G.","email":"tappan@usgs.gov","middleInitial":"Gray","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":694622,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tyler, Dean J. 0000-0002-1542-7539 dtyler@usgs.gov","orcid":"https://orcid.org/0000-0002-1542-7539","contributorId":4268,"corporation":false,"usgs":true,"family":"Tyler","given":"Dean","email":"dtyler@usgs.gov","middleInitial":"J.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":false,"id":694623,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wehde, M. E.","contributorId":191158,"corporation":false,"usgs":false,"family":"Wehde","given":"M.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":694624,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Moore, Donald G.","contributorId":41146,"corporation":false,"usgs":true,"family":"Moore","given":"Donald","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":694625,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70187576,"text":"70187576 - 1992 - Land cover mapping of the Upper Kuskokwim Resource Management Area, Alaska, using Landsat and a digital data base approach","interactions":[],"lastModifiedDate":"2017-05-09T13:34:32","indexId":"70187576","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1175,"text":"Canadian Journal of Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Land cover mapping of the Upper Kuskokwim Resource Management Area, Alaska, using Landsat and a digital data base approach","docAbstract":"<p>Digital land cover and terrain data for the Upper Kuskokwim Resource Management Area in south-central Alaska were produced by the U.S. Geological Survey for the U.S. Bureau of Land Management. These and other environmental data were incorporated into a digital data base to assist in the production of a land cover map and to facilitate in the management and planning of the area.</p><p>The digital data base is registered to a 50 m Universal Transverse Mercator grid and is stored on computer-compatible tape to facilitate transfer between different processing systems. The data base includes land cover classifications, terrain models (elevation, slope, aspect, solar illumination), autumn and winter Landsat multi-spectral scanner data, soils and surficial geology data, and area boundary.</p><p>The spectral classification of Landsat multi-spectral scanner data resulted in seven major classes and 24 subclasses. Major classes were forest, shrubland, dwarf scrub, herbaceous, barren, water, and other.</p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/07038992.1992.10855308","usgsCitation":"Markon, C., 1992, Land cover mapping of the Upper Kuskokwim Resource Management Area, Alaska, using Landsat and a digital data base approach: Canadian Journal of Remote Sensing, v. 18, no. 2, p. 62-71, https://doi.org/10.1080/07038992.1992.10855308.","productDescription":"10 p.","startPage":"62","endPage":"71","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":341005,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5912d54ee4b0e541a03d456b","contributors":{"authors":[{"text":"Markon, Carl markon@usgs.gov","contributorId":140882,"corporation":false,"usgs":true,"family":"Markon","given":"Carl","email":"markon@usgs.gov","affiliations":[{"id":113,"text":"Alaska Regional Director's Office","active":true,"usgs":true}],"preferred":true,"id":694620,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70187411,"text":"70187411 - 1992 - Landsat thematic mapper products for rangeland assessment","interactions":[],"lastModifiedDate":"2017-05-02T11:38:50","indexId":"70187411","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1753,"text":"Geocarto International","active":true,"publicationSubtype":{"id":10}},"title":"Landsat thematic mapper products for rangeland assessment","docAbstract":"<p><span>Landsat Thematic Mapper (TM) data are useful for mapping rangeland resources worldwide. Spatial resolution and spectral characteristics of the data are adequate for performing a variety of range‐related tasks, including monitoring ecological change. The unique spectral characteristics of TM data are important in the development of products for manual interpretation of images to be used in rangeland assessment. Procedures were developed for using a histogram‐based, data‐dependent stretch of multispectml data values for producing site‐specific TM image products. The process optimizes image information for a given data set without a priori knowledge of the imaged site. Manual interpretation of TM products for rangeland assessment has many applications and will be aided by a standardized procedure for compositing spectral bands.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/10106049209354349","usgsCitation":"Haas, R.H., 1992, Landsat thematic mapper products for rangeland assessment: Geocarto International, v. 7, no. 1, p. 27-33, https://doi.org/10.1080/10106049209354349.","productDescription":"7 p.","startPage":"27","endPage":"33","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":340734,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"59099ab2e4b0fc4e44915822","contributors":{"authors":[{"text":"Haas, Robert H.","contributorId":93388,"corporation":false,"usgs":true,"family":"Haas","given":"Robert","email":"","middleInitial":"H.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":693917,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70195911,"text":"70195911 - 1992 - An aeromagnetic survey over the northwestern Ross Ice Shelf and the McMurdo Sound area","interactions":[],"lastModifiedDate":"2019-12-21T08:52:14","indexId":"70195911","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3097,"text":"Polarforschung","active":true,"publicationSubtype":{"id":10}},"title":"An aeromagnetic survey over the northwestern Ross Ice Shelf and the McMurdo Sound area","docAbstract":"<p><span>As part of the expedition GANOVEX VI 1990/91, the Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), the Alfred Wegener Institute for Polar and Marine Research (AWI), and the United States Geological Survey (USGS) carried out an airborne magnetic survey over the northwestern Ross Ice Shelf and McMurdo Sound between Ross Island, the Transantarctic Mountains, and Minna Bluff.</span></p><p><span>The area planned for the aeromagnetic survey connects directly with the GANOVEX IV survey area (BGR &amp; USGS 1987, BACHEM et al. 1989a) which terminated along an approximately cast-west line at about the latitude of Cape Bird. The GANOVEX IV survey covered the Victoria Land Basin - which is the westernmost of the three north/south striking basins in the Ross Sea - from its northern end in the Terra Nova Bay region to its known southern end at Ross Island. A possible southem extension of the Victoria Land Basin and its central graben structure (the Terror Rift as found from seismic surveys (COOPER et al. 1987) and what has been referred to as Victoria Graben in the aeromagnetic interpretation of the GANOVEX IV data (BOSUM et al. 1989) was one of the major targets for this survey.</span></p><p><span>The survey was laid out in the form of blocks. A 135 km wide transect from the Transantarctic Mountains to about 175° W formed the focal block of the survey (Fig. 1) in which all major scientific objectives could be covered. Other survey blocks were planned to the south of this. During the course of the survey it turned out that in the time available no further area could be covered. Indeed, the unfavourable weather conditions made it impossible to complete even the above described main section fully.</span></p><p><span>In detail, the lay-out of the survey area was closely following that of the GANOVEX IV survey to assure compatibility and direct continuation between the two data sets.</span></p><p><span>The line spacing was chosen again to 4.4 km with a tic-line separation of 22 km. The survey altitude of 2,000 ft (610 m) corresponds to that of the Ross Sea section of the GANOVEX IV survey to which this survey area is directly adjacent. The profile lines were aligned approximately E-W, the tie-lines N-S.</span></p><p><span>As part of the survey area is covered by the maps of the USGS Antarctica Reconnaissance Series 1:250,000 the Lambert conformal conic projection used for these maps was also used for the preparation of a flight line grid.</span></p>","language":"English","publisher":"Alfred Wegener Institut für Polar- und Meeresforschung und Deutsche Gesellschaft für Polarforschung","publisherLocation":"Bremerhaven, Germany","doi":"10.2312/polarforschung.60.2.152","usgsCitation":"Damaske, D., Meyer, U., McCafferty, A.E., Behrendt, J., and Hoppe, H., 1992, An aeromagnetic survey over the northwestern Ross Ice Shelf and the McMurdo Sound area: Polarforschung, v. 60, no. 2, p. 152-156, https://doi.org/10.2312/polarforschung.60.2.152.","productDescription":"5 p.","startPage":"152","endPage":"156","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":352307,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Ross Ice Shelf, McMurdo Sound","volume":"60","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5aff2826e4b0da30c1bfd772","contributors":{"authors":[{"text":"Damaske, Detlef","contributorId":77384,"corporation":false,"usgs":true,"family":"Damaske","given":"Detlef","email":"","affiliations":[],"preferred":false,"id":730476,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meyer, Uwe","contributorId":1648,"corporation":false,"usgs":false,"family":"Meyer","given":"Uwe","email":"","affiliations":[],"preferred":false,"id":730477,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McCafferty, Anne E. 0000-0001-5574-9201 anne@usgs.gov","orcid":"https://orcid.org/0000-0001-5574-9201","contributorId":1120,"corporation":false,"usgs":true,"family":"McCafferty","given":"Anne","email":"anne@usgs.gov","middleInitial":"E.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":730478,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Behrendt, John","contributorId":146726,"corporation":false,"usgs":false,"family":"Behrendt","given":"John","affiliations":[{"id":590,"text":"U.S. Army Corps of Engineers","active":false,"usgs":false}],"preferred":false,"id":730479,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hoppe, Herbert","contributorId":14503,"corporation":false,"usgs":false,"family":"Hoppe","given":"Herbert","email":"","affiliations":[],"preferred":false,"id":730480,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70197193,"text":"70197193 - 1992 - Predicting sizes of undiscovered mineral deposits; an example using mercury deposits in California ","interactions":[],"lastModifiedDate":"2018-05-21T16:24:15","indexId":"70197193","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","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":"Predicting sizes of undiscovered mineral deposits; an example using mercury deposits in California ","docAbstract":"<p>A critical part of the exploration for mineral deposits or of quantitative mineral resource assessments is the estimation of how large undiscoveredeposits might be. Typically, this problem is addressed using grade and tonnage models in which a major source of variation in possible sizes is accounted for by the differences in types of deposits (Cox and Singer, 1986; Mosier and Page, 1988; Bliss, 1992). It is clear from studies of petroleum exploration that larger oil fields tend to be found early in the process (Arps and Roberts, 1958). If the same behavior exists in mineral exploration, then tonnage models constructed from local data may be biased estimators of the tonnages of any remaining undiscoveredeposits in the area. Although Singer and Mosier (1981) showed that larger porphyry copper deposits should be found earlier than smaller deposits in a given geologic and exploration environment, there are no definitive studies that we could find which actually test the hypothesis that larger mineral deposits are discovered early in the exploration of a region.</p><p>In this paper the hypothesis that larger mineral deposits are discovered early in the exploration of a region is tested by examining the relationship between discovery order and size of known mercury deposits in the California Coast Ranges. We then present a new maximum likelihood approach to modeling the size distribution of undiscovered mineral deposits by examining the sizes of the mercury deposits discovered early in the exploration process.</p>","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.87.4.1174","usgsCitation":"Chung, C.F., Singer, D.A., and Menzie, W.D., 1992, Predicting sizes of undiscovered mineral deposits; an example using mercury deposits in California : Economic Geology, v. 87, no. 4, p. 1174-1179, https://doi.org/10.2113/gsecongeo.87.4.1174.","productDescription":"6 p.","startPage":"1174","endPage":"1179","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":354369,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"87","issue":"4","noUsgsAuthors":false,"publicationDate":"1992-07-01","publicationStatus":"PW","scienceBaseUri":"5b15a55de4b092d9651e22cd","contributors":{"authors":[{"text":"Chung, C. F.","contributorId":205051,"corporation":false,"usgs":false,"family":"Chung","given":"C.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":735961,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Singer, Donald A. dsinger@usgs.gov","contributorId":5601,"corporation":false,"usgs":true,"family":"Singer","given":"Donald","email":"dsinger@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":735962,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Menzie, W. David","contributorId":15645,"corporation":false,"usgs":true,"family":"Menzie","given":"W.","email":"","middleInitial":"David","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":false,"id":735963,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70186979,"text":"70186979 - 1992 - Evaluation of terrain models for the geocoding and terrain correction, of synthetic aperture radar (SAR) images","interactions":[],"lastModifiedDate":"2017-04-18T11:12:27","indexId":"70186979","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1944,"text":"IEEE Transactions on Geoscience and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of terrain models for the geocoding and terrain correction, of synthetic aperture radar (SAR) images","docAbstract":"<p><span>The variability of the resolutions and the presence of artifacts cause inaccurate correction of the terrain-induced geometric distortions in synthetic-aperture radar (SAR) images. To quantify the effects of these inaccuracies on SAR terrain correction, corrections of a Seasat SAR image were performed using a 1 degrees US Geological Survey (USGS) terrain model, a 7.5-min USGS terrain model, and a terrain model derived from stereoimagery acquired from SPOT. Geometric verifications of the corrected imagery showed that the resolution of the 1 degrees terrain model is not adequate to resolve many features in the Seasat image. Geometric verifications of images corrected with the two higher resolution terrain models showed localized errors as large as 52 m for mountain peaks. However, comparison of data corrected with those models shows that both produce results that differ by less than the resolution of either of them. Periodic artifacts observed in the terrain models translated to ground range differences of 18 m, which are well below the resolution of the SAR imagery.</span></p>","language":"English","publisher":"IEEE","doi":"10.1109/36.193789","usgsCitation":"Wivell, C., Steinwand, D.R., Kelly, G.G., and Meyer, D.J., 1992, Evaluation of terrain models for the geocoding and terrain correction, of synthetic aperture radar (SAR) images: IEEE Transactions on Geoscience and Remote Sensing, v. 30, no. 6, p. 1137-1144, https://doi.org/10.1109/36.193789.","productDescription":"8 p.","startPage":"1137","endPage":"1144","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":339851,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"30","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58f725e7e4b0b7ea5451eed4","contributors":{"authors":[{"text":"Wivell, C. E.","contributorId":191046,"corporation":false,"usgs":false,"family":"Wivell","given":"C. E.","affiliations":[],"preferred":false,"id":691650,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Steinwand, Daniel R. steinwand@usgs.gov","contributorId":3224,"corporation":false,"usgs":true,"family":"Steinwand","given":"Daniel","email":"steinwand@usgs.gov","middleInitial":"R.","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":691651,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kelly, G. G.","contributorId":191047,"corporation":false,"usgs":false,"family":"Kelly","given":"G.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":691652,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Meyer, D. J.","contributorId":46721,"corporation":false,"usgs":true,"family":"Meyer","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":691653,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70186971,"text":"70186971 - 1992 - Combining remote sensing techniques with simulation modelling for assessing rangeland resources","interactions":[],"lastModifiedDate":"2017-04-17T14:11:00","indexId":"70186971","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1753,"text":"Geocarto International","active":true,"publicationSubtype":{"id":10}},"title":"Combining remote sensing techniques with simulation modelling for assessing rangeland resources","docAbstract":"<p><span>Simulation modelling and remote sensing techniques can be used to describe ecological processes. When used together, these tools can increase our understanding of the spatial variability of ecosystems. Remotely sensed data can be combined with simulation models for predicting the accumulation of plant biomass, as surrogate variables within the models, or as correlative information for monitoring entire eco‐regions.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/10106049209354357","usgsCitation":"Hanson, J.D., Anderson, G., and Haas, R.H., 1992, Combining remote sensing techniques with simulation modelling for assessing rangeland resources: Geocarto International, v. 7, no. 1, p. 99-104, https://doi.org/10.1080/10106049209354357.","productDescription":"6 p.","startPage":"99","endPage":"104","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":339808,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58f5d445e4b0f2e20545e43d","contributors":{"authors":[{"text":"Hanson, J. D.","contributorId":191004,"corporation":false,"usgs":false,"family":"Hanson","given":"J.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":691261,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Anderson, G.L.","contributorId":56430,"corporation":false,"usgs":true,"family":"Anderson","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":691262,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Haas, R. H.","contributorId":57456,"corporation":false,"usgs":true,"family":"Haas","given":"R.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":691263,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70188405,"text":"70188405 - 1992 - Destriping of Landsat MSS images by filtering techniques","interactions":[],"lastModifiedDate":"2024-06-14T15:58:25.637231","indexId":"70188405","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3052,"text":"Photogrammetric Engineering and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Destriping of Landsat MSS images by filtering techniques","docAbstract":"<p>The removal of striping noise encountered in the Landsat Multispectral Scanner (MSS) images can be generally done by using frequency filtering techniques. Frequency domain filtering has, however, several problems, such as storage limitation of data required for fast Fourier transforms, ringing artifacts appearing at high-intensity discontinuities, and edge effects between adjacent filtered data sets. One way for circumventing the above difficulties is to design a spatial filter to convolve with the images. Because it is known that the striping always appears at frequencies of 1/6, 1/3, and 1/2 cycles per line, it is possible to design a simple one-dimensional spatial filter to take advantage of this a priori knowledge to cope with the above problems. The desired filter is the type of finite impulse response which can be designed by a linear programming and Remez's exchange algorithm coupled with an adaptive technique. In addition, a four-step spatial filtering technique with an appropriate adaptive approach is also presented which may be particularly useful for geometrically rectified MSS images.</p>","language":"English","publisher":"ASPRS","usgsCitation":"Pan, J., and Chang, C., 1992, Destriping of Landsat MSS images by filtering techniques: Photogrammetric Engineering and Remote Sensing, v. 58, no. 10, p. 1417-1423.","productDescription":"7 p.","startPage":"1417","endPage":"1423","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":342294,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"58","issue":"10","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"593ad70fe4b0764e6c602184","contributors":{"authors":[{"text":"Pan, Jeng-Jong","contributorId":35877,"corporation":false,"usgs":true,"family":"Pan","given":"Jeng-Jong","email":"","affiliations":[],"preferred":false,"id":697617,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chang, Chein-I","contributorId":192740,"corporation":false,"usgs":false,"family":"Chang","given":"Chein-I","email":"","affiliations":[],"preferred":false,"id":697618,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70188408,"text":"70188408 - 1992 - The 1990 conterminous U. S. AVHRR data set","interactions":[],"lastModifiedDate":"2017-06-08T12:44:48","indexId":"70188408","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3052,"text":"Photogrammetric Engineering and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"The 1990 conterminous U. S. AVHRR data set","docAbstract":"<p>The U.S. Geological Survey, using NOAA-ll Advanced Very High Resolution Radiometer (AVHRR) 1-km data, has produced a time series of 19 biweekly maximum normalized difference vegetation index (NDV!) composites of the conterminous United States for the 1990 growing season. Each biweekly composite included data from approximately 20 calibrated and georegistered daily overpasses. The output is a data set which includes all five calibrated AVHRR channels, NOV! values, three satellite/solar viewing angles, and date of observation pointer for each biweekly composite. The data set is intended for assessing seasonal variations in vegetation condition and provides a foundation for studying long-term changes in vegetation resulting from human interactions or global climate alterations.</p>","language":"English","publisher":"ASPRS","usgsCitation":"Eidenshink, J.C., 1992, The 1990 conterminous U. S. AVHRR data set: Photogrammetric Engineering and Remote Sensing, v. 58, no. 6, p. 809-813.","productDescription":"5 p.","startPage":"809","endPage":"813","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":342296,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"58","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"593ad70fe4b0764e6c602182","contributors":{"authors":[{"text":"Eidenshink, Jeffery C. eidenshink@usgs.gov","contributorId":1352,"corporation":false,"usgs":true,"family":"Eidenshink","given":"Jeffery","email":"eidenshink@usgs.gov","middleInitial":"C.","affiliations":[],"preferred":true,"id":697627,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70017009,"text":"70017009 - 1992 - Recorded seismic response of Pacific Park Plaza. II. System identification","interactions":[],"lastModifiedDate":"2013-03-15T20:13:32","indexId":"70017009","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2467,"text":"Journal of Structural Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Recorded seismic response of Pacific Park Plaza. II. System identification","docAbstract":"This is the second of two companion papers on the recorded seismic response of the Pacific Park Plaza building, in Emeryville, Calif., during the October 17, 1989, Ms = 7.1 (surface-wave magnitude) Loma Prieta earthquake. In this second part, the recorded data are analyzed in more detail by using system-identification techniques. The three-dimensional behavior and the coupled modes of the building are determined, and the effects of soil-structure interaction are investigated. The study shows that the response of the building is nonlinear at the beginning, and becomes linear after 17 sec into the earthquake. The dominant motion of the building follows an elliptical path oriented in the southeast-northwest direction. Some of the modes are complex, with nonproportional damping, and there are phase differences among modal response components. The fundamental mode of the building is a translation in the southeast-northwest direction at 0.4 Hz, with 13% damping. The wing displacements relative to the center core are large, about 50% of the center core displacements, and indicate significant torsion in the center core. The soil-structure interaction is characterized by a vibration at 0.7 Hz. This is believed to be the fundamental frequency of the surrounding soil medium. The rocking motions of the building are negligible.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Structural Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"ASCE","doi":"10.1061/(ASCE)0733-9445(1992)118:6(1566)","issn":"07339445","usgsCitation":"Safak, F., and Çelebi, M., 1992, Recorded seismic response of Pacific Park Plaza. II. System identification: Journal of Structural Engineering, v. 118, no. 6, p. 1566-1589, https://doi.org/10.1061/(ASCE)0733-9445(1992)118:6(1566).","startPage":"1566","endPage":"1589","numberOfPages":"24","costCenters":[],"links":[{"id":224625,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269411,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1061/(ASCE)0733-9445(1992)118:6(1566)"}],"volume":"118","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50e4a285e4b0e8fec6cdb631","contributors":{"authors":[{"text":"Safak, F.","contributorId":89286,"corporation":false,"usgs":true,"family":"Safak","given":"F.","email":"","affiliations":[],"preferred":false,"id":375135,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Çelebi, M.","contributorId":36946,"corporation":false,"usgs":true,"family":"Çelebi","given":"M.","affiliations":[],"preferred":false,"id":375134,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70014919,"text":"70014919 - 1992 - Methanogenic degradation kinetics of phenolic compounds in aquifer-derived microcosms","interactions":[],"lastModifiedDate":"2019-03-28T07:11:28","indexId":"70014919","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1003,"text":"Biodegradation","active":true,"publicationSubtype":{"id":10}},"title":"Methanogenic degradation kinetics of phenolic compounds in aquifer-derived microcosms","docAbstract":"<p class=\"Para\">In this segment of a larger multidisciplinary study of the movement and fate of creosote derived compounds in a sand-and-gravel aquifer, we present evidence that the methanogenic degradation of the major biodegradable phenolic compounds and concomitant microbial growth in batch microcosms derived from contaminated aquifer material can be described using Monod kinetics. Substrate depletion and bacterial growth curves were fitted to the Monod equations using nonlinear regression analysis. The method of Marquardt was used for the determination of parameter values that best fit the experimental data by minimizing the residual sum of squares. The Monod kinetic constants (μ<sub><span>&nbsp;</span><i class=\"EmphasisTypeItalic \">max</i><span>&nbsp;</span></sub>,<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">K</i><sub>s</sub>,<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">Y</i>, and<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">k</i><sub>d</sub>) that describe phenol, 2-, 3-, and 4-methylphenol degradation and concomitant microbial growth were determined under conditions that were substantially different from those previously reported for microcosms cultured from sewage sludge. The<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">K</i><sub>s</sub><span>&nbsp;</span>values obtained in this study are approximately two orders of magnitude lower than values obtained for the anaerobic degradation of phenol in digesting sewage sludge, indicating that the aquifer microorganisms have developed enzyme systems that are adapted to low nutrient conditions. The values for<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">k</i><sub>d</sub>are much less than<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">μ</i><sub>max</sub>, and can be neglected in the microcosms. The extremely low<span>&nbsp;</span><i class=\"EmphasisTypeItalic \">Y</i><span>&nbsp;</span>values, approximately 3 orders of magnitude lower than for the sewage sludge derived cultures, and the very low numbers of microorganisms in the aquifer derived microcosms suggest that these organisms use some unique strategies to survive in the subsurface environment.</p>","language":"English","publisher":"Kluwer Academic Publishers","doi":"10.1007/BF00114553","issn":"09239820","usgsCitation":"Godsy, E., Goerlitz, D., and Grbic-Galic, D., 1992, Methanogenic degradation kinetics of phenolic compounds in aquifer-derived microcosms: Biodegradation, v. 2, no. 4, p. 211-221, https://doi.org/10.1007/BF00114553.","productDescription":"11 p.","startPage":"211","endPage":"221","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":223954,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":205431,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF00114553"}],"volume":"2","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a5543e4b0c8380cd6d18a","contributors":{"authors":[{"text":"Godsy, E.M.","contributorId":56685,"corporation":false,"usgs":true,"family":"Godsy","given":"E.M.","email":"","affiliations":[],"preferred":false,"id":369606,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goerlitz, D.F.","contributorId":8445,"corporation":false,"usgs":true,"family":"Goerlitz","given":"D.F.","affiliations":[],"preferred":false,"id":369605,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Grbic-Galic, D.","contributorId":80824,"corporation":false,"usgs":true,"family":"Grbic-Galic","given":"D.","affiliations":[],"preferred":false,"id":369607,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70016177,"text":"70016177 - 1992 - Sulfur isotopic disequilibrium and fluid-rock interaction during metamorphism of sulfidic black shales from the Waterville-Augusta area, Maine, USA","interactions":[],"lastModifiedDate":"2024-04-12T16:13:20.694502","indexId":"70016177","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","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":"Sulfur isotopic disequilibrium and fluid-rock interaction during metamorphism of sulfidic black shales from the Waterville-Augusta area, Maine, USA","docAbstract":"<p><span>Sulfur isotope ratios of pyrite (py) and pyrrhotite (po) from regionally metamorphosed graphitic sulfidic schists and related rocks from south-central Maine, USA, were analysed using SO</span><sub>2</sub><span>&nbsp;and SF</span><sub>6</sub><span>&nbsp;techniques. There is a broad range in δ</span><sup>34</sup><span>S values for both pyrite and pyrrhotite at most outcrops, up to 8%. and overall the values are isotopically light, averaging ~ −27‰ for the entire data set, suggesting that the rocks have not been grossly isotopically disturbed by regional metamorphism from their inferred organic-rich sedimentary origins. At all temperatures from chlorite to sillimanite grades, sulfide analysed from veins and blebs within the schists show predominantly disequilibrium fractionations ranging from </span><span class=\"math\"><span id=\"MathJax-Element-1-Frame\" class=\"MathJax_SVG\" data-mathml=\"<math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;><mtext>&amp;#x394;</mtext><msup><mi></mi><mn>34</mn></msup><mtext>S</mtext><msub><mi></mi><mn>py-po</mn></msub><mtext>&amp;#x2212;3.0</mtext><mtext>to</mtext><mtext>+3.5&amp;#x2030;</mtext></math>\"><span class=\"MJX_Assistive_MathML\">Δ<sup>34</sup>S<sub>py-po</sub>−3.0to+3.5‰</span></span></span><span>, as do matrix sulfides from rocks that attained temperatures &lt;500°C. Only at&nbsp;</span><i>T</i><span>&nbsp;&gt; 500°</span><i>C</i><span>&nbsp;do matrix pyrite-pyrrhotite pairs with polygonal or aligned granoblastic microstructures approach isotopic equilibrium at millimeter to centimeter scales, suggesting that the process that favoured equilibration was recrystallization accompanying metamorphism and deformation. This disequilibrium may be a function of preferential interaction of one of the phases with an infiltrating fluid, but the lack of any systematic trends in the data, particularly with both negative and positive Δ</span><sup>34</sup><span>S</span><sub>py-po</sub><span>&nbsp;at some outcrops, does not permit ready identification of fluid sources, fluxes, or compositions. By combining published fluid fluxes for the area and a knowledge of the mass of sulfur contained in the rocks and the inferred infiltrating fluid, it appears that sulfur should have been homogenized over at least 10's to 1000's of meters, if equilibrium had been attained between rock sulfides and an infiltrating fluid of constant composition. That this did not occur was probably due to lack of equilibration between sulfides and the fluid but may also have arisen because of channelling of fluid flow along rather than across layers, or a lack of fluid infiltration through this unit.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/0016-7037(92)90266-L","issn":"00167037","usgsCitation":"Oliver, N., Hoering, T., Johnson, T., Rumble, D., and Shanks, W.C., 1992, Sulfur isotopic disequilibrium and fluid-rock interaction during metamorphism of sulfidic black shales from the Waterville-Augusta area, Maine, USA: Geochimica et Cosmochimica Acta, v. 56, no. 12, p. 4257-4265, https://doi.org/10.1016/0016-7037(92)90266-L.","productDescription":"9 p.","startPage":"4257","endPage":"4265","numberOfPages":"9","costCenters":[],"links":[{"id":223453,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"56","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9de2e4b08c986b31db52","contributors":{"authors":[{"text":"Oliver, N.H.S.","contributorId":66849,"corporation":false,"usgs":true,"family":"Oliver","given":"N.H.S.","email":"","affiliations":[],"preferred":false,"id":372747,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoering, T.C.","contributorId":101011,"corporation":false,"usgs":true,"family":"Hoering","given":"T.C.","email":"","affiliations":[],"preferred":false,"id":372749,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Johnson, T.W.","contributorId":61169,"corporation":false,"usgs":true,"family":"Johnson","given":"T.W.","email":"","affiliations":[],"preferred":false,"id":372746,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rumble, D. III","contributorId":49931,"corporation":false,"usgs":true,"family":"Rumble","given":"D.","suffix":"III","affiliations":[],"preferred":false,"id":372745,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Shanks, Wayne C. III","contributorId":100527,"corporation":false,"usgs":true,"family":"Shanks","given":"Wayne","suffix":"III","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":372748,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70016314,"text":"70016314 - 1992 - Development of spatial data guidelines and standards: spatial data set documentation to support hydrologic analysis in the U.S. Geological Survey","interactions":[],"lastModifiedDate":"2012-03-12T17:18:41","indexId":"70016314","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Development of spatial data guidelines and standards: spatial data set documentation to support hydrologic analysis in the U.S. Geological Survey","docAbstract":"Spatial data analysis has become an integral component in many surface and sub-surface hydrologic investigations within the U.S. Geological Survey (USGS). Currently, one of the largest costs in applying spatial data analysis is the cost of developing the needed spatial data. Therefore, guidelines and standards are required for the development of spatial data in order to allow for data sharing and reuse; this eliminates costly redevelopment. In order to attain this goal, the USGS is expanding efforts to identify guidelines and standards for the development of spatial data for hydrologic analysis. Because of the variety of project and database needs, the USGS has concentrated on developing standards for documenting spatial sets to aid in the assessment of data set quality and compatibility of different data sets. An interim data set documentation standard (1990) has been developed that provides a mechanism for associating a wide variety of information with a data set, including data about source material, data automation and editing procedures used, projection parameters, data statistics, descriptions of features and feature attributes, information on organizational contacts lists of operations performed on the data, and free-form comments and notes about the data, made at various times in the evolution of the data set. The interim data set documentation standard has been automated using a commercial geographic information system (GIS) and data set documentation software developed by the USGS. Where possible, USGS developed software is used to enter data into the data set documentation file automatically. The GIS software closely associates a data set with its data set documentation file; the documentation file is retained with the data set whenever it is modified, copied, or transferred to another computer system. The Water Resources Division of the USGS is continuing to develop spatial data and data processing standards, with emphasis on standards needed to support hydrologic analysis, hydrologic data processing, and publication of hydrologic thermatic maps. There is a need for the GIS vendor community to develop data set documentation tools similar to those developed by the USGS, or to incorporate USGS developed tools in their software.","largerWorkTitle":"ASTM Special Technical Publication","conferenceTitle":"International Symposium on Mapping and Geographic Information Systems","conferenceDate":"21 June 1990 through 22 June 1990","conferenceLocation":"San Francisco, CA, USA","language":"English","publisher":"Publ by ASTM","publisherLocation":"Philadelphia, PA, United States","issn":"10403094","usgsCitation":"Fulton, J.L., 1992, Development of spatial data guidelines and standards: spatial data set documentation to support hydrologic analysis in the U.S. Geological Survey, <i>in</i> ASTM Special Technical Publication, no. 1126, San Francisco, CA, USA, 21 June 1990 through 22 June 1990, p. 30-37.","startPage":"30","endPage":"37","numberOfPages":"8","costCenters":[],"links":[{"id":223416,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"issue":"1126","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0064e4b0c8380cd4f739","contributors":{"authors":[{"text":"Fulton, James L.","contributorId":103798,"corporation":false,"usgs":true,"family":"Fulton","given":"James","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":373161,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70016325,"text":"70016325 - 1992 - Use of D-C resistivity to map saline ground water","interactions":[],"lastModifiedDate":"2012-11-20T14:51:02","indexId":"70016325","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":4,"text":"Book"},"publicationSubtype":{"id":12,"text":"Conference publication"},"title":"Use of D-C resistivity to map saline ground water","docAbstract":"It has been estimated in previous studies that 23 square miles of the Oxnard aquifer, a member of a multi-layered aquifer system beneath the Oxnard plain in Ventura County, California, has been contaminated as a result of seawater intrusion. To investigate this and other potential sources of saline water, a direct-current resistivity survey was made as an alternative to the costly and time-consuming method of well drilling in the part of the Oxnard plain where ground water is believed to be most affected by seawater. Findings from this survey and water-quality data collected from wells as part of this study suggest that the extent of seawater intrusion is much less than reported. A field inventory of the current monitoring-well network utilized by managing agencies suggests that the integrity of most of the well casings is questionable. Leakage of saline water from an unconfined `perched zone' through these and other failed or corroded well casings is a possible source of increasing chloride concentration in the underlying Oxnard aquifer. Saline water also may be present in fine-grained deposits along the eastern limit of the Oxnard aquifer. Pumping near this area could induce the lateral migration of saline water from these deposits.","largerWorkTitle":"Irrigation and Drainage: Saving a Threatened Resource - In Search of Solutions, Proceedings of the Irrigation and Drainage Sessions at Water Forum '92","conferenceTitle":"Proceedings of the ASCE National Conference on Irrigation and Drainage - Water Forum '92","conferenceLocation":"Baltimore, MD, USA","language":"English","publisher":"Publ by ASCE","publisherLocation":"New York, NY, United States","issn":"0872628779","usgsCitation":"Stamos, C., Predmore, S.K., and Zohdy, A.A., 1992, Use of D-C resistivity to map saline ground water, 6 p.","productDescription":"6 p.","startPage":"80","endPage":"85","numberOfPages":"6","costCenters":[],"links":[{"id":222794,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":263313,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/confpub/70016325/70016325.pdf"}],"country":"United States","state":"California","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -119.25,34.08 ], [ -119.25,34.18 ], [ -119.06,34.18 ], [ -119.06,34.08 ], [ -119.25,34.08 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbe60e4b08c986b32956b","contributors":{"authors":[{"text":"Stamos, Christina L. 0000-0002-1007-9352","orcid":"https://orcid.org/0000-0002-1007-9352","contributorId":19593,"corporation":false,"usgs":true,"family":"Stamos","given":"Christina L.","affiliations":[],"preferred":false,"id":373187,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Predmore, Steven K. spredmor@usgs.gov","contributorId":1512,"corporation":false,"usgs":true,"family":"Predmore","given":"Steven","email":"spredmor@usgs.gov","middleInitial":"K.","affiliations":[],"preferred":true,"id":373186,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Zohdy, Adel A. R.","contributorId":61799,"corporation":false,"usgs":true,"family":"Zohdy","given":"Adel","email":"","middleInitial":"A. R.","affiliations":[],"preferred":false,"id":373188,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70016337,"text":"70016337 - 1992 - Radiocarbon dating of groundwater in a confined aquifer in southeast Arizona","interactions":[],"lastModifiedDate":"2025-07-16T15:46:31.702555","indexId":"70016337","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3225,"text":"Radiocarbon","active":true,"publicationSubtype":{"id":10}},"title":"Radiocarbon dating of groundwater in a confined aquifer in southeast Arizona","docAbstract":"<p><span>Radiocarbon, δ</span><span class=\"sup\">13</span><span>C and major-element data were used to construct a geochemical framework for interpretation of the hydrological flow system in the lower San Pedro basin, southeastern Arizona, USA. The&nbsp;</span><span class=\"sup\">14</span><span>C and major-element data show a regional confined aquifer that extends throughout most of the basin. Groundwater ages, after correcting for chemistry, are greater than 10 ka bp. The groundwater ages do not increase in a downvalley direction, the assumed direction of groundwater movement in most intermontane basins in the region, but along general flow paths normal to the mountains toward the center of the basin. Recharge to the confined aquifer originates from infiltration of precipitation and runoff near the alluvium-mountain contact along the Galiuro Mountains and is discharged by evapotranspiration along the center of the basin. The hydrogeological concept of the&nbsp;</span><span class=\"sup\">14</span><span>C model is supported by the water chemistry and by the mass transfer defined by the chemical model. Weathering of primary silicate minerals in the confined aquifer does not occur downvalley, but only along the direction of flow. Hydraulic conductivities calculated for the aquifer from&nbsp;</span><span class=\"sup\">14</span><span>C velocities are about an order of magnitude slower than those determined through hydrological methods. The lower hydraulic-conductivity values are attributed to a thick confining layer overlying the discharge area along the San Pedro River.</span></p>","language":"English","publisher":"Cambridge University Press","doi":"10.1017/S0033822200063955","issn":"00338222","usgsCitation":"Robertson, F.N., 1992, Radiocarbon dating of groundwater in a confined aquifer in southeast Arizona: Radiocarbon, v. 34, no. 3, p. 664-676, https://doi.org/10.1017/S0033822200063955.","productDescription":"13 p.","startPage":"664","endPage":"676","numberOfPages":"13","costCenters":[],"links":[{"id":492437,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1017/s0033822200063955","text":"Publisher Index Page"},{"id":223007,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"34","issue":"3","noUsgsAuthors":false,"publicationDate":"2016-07-18","publicationStatus":"PW","scienceBaseUri":"505a93e0e4b0c8380cd810a1","contributors":{"authors":[{"text":"Robertson, F. N.","contributorId":66737,"corporation":false,"usgs":true,"family":"Robertson","given":"F.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":373212,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70016552,"text":"70016552 - 1992 - Rhenium-osmium isotope systematics in meteorites I: Magmatic iron meteorite groups IIAB and IIIAB","interactions":[],"lastModifiedDate":"2023-12-09T01:07:23.354457","indexId":"70016552","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1427,"text":"Earth and Planetary Science Letters","active":true,"publicationSubtype":{"id":10}},"title":"Rhenium-osmium isotope systematics in meteorites I: Magmatic iron meteorite groups IIAB and IIIAB","docAbstract":"<div id=\"abstracts\" class=\"Abstracts u-font-serif text-s\"><div id=\"ab1\" class=\"abstract author\" lang=\"en\"><div id=\"aep-abstract-sec-id5\"><p>Using resonance ionization mass spectrometry (RIMS), Re and Os abundances were determined by isotope dilution (ID) and<span>&nbsp;</span><sup>187</sup>Os/<sup>186</sup>Os ratios measured in nineteen iron meteorites: eight from group IIAB, ten from group IIIAB, and Treysa (IIIB anomalous). Abundances range from 1.4 to 4800 ppb Re, and from 13 to 65000 ppb Os, and generally agree well with previous ID and neutron activation (NAA) results. The Re and Os data suggest that abundance trends in these iron groups may be entirely explained by fractional crystallization. Addition of late-formed metal to produce Re<img src=\"https://sdfestaticassets-us-east-1.sciencedirectassets.com/shared-assets/55/entities/sbnd.gif\" alt=\"single bond\" data-mce-src=\"https://sdfestaticassets-us-east-1.sciencedirectassets.com/shared-assets/55/entities/sbnd.gif\">Os variation in the B subgroups is not essential but cannot be excluded. Whole-rock isochrons for the IIAB and IIIAB groups are statistically indistinguishable. Pooled data yield an initial<span>&nbsp;</span><sup>187</sup>Os/<sup>186</sup>Os of 0.794 ± 0.010, with a slope of (7.92 ± 0.20) × 10<sup>−2</sup><span>&nbsp;</span>corresponding to a magmatic iron meteorite age of 4.65 ± 0.11 Ga (using a decay constant of 1.64 × 10<sup>−11</sup><span>&nbsp;</span>a<sup>−1</sup>). Given the errors in the slope and half life, this age does not differ significantly from the canonical chondrite age of 4.56 Ga, but could be as young as 4.46 Ga.</p></div></div></div>","language":"English","publisher":"Elsevier","doi":"10.1016/0012-821X(92)90022-N","issn":"0012821X","usgsCitation":"Morgan, J.W., Walker, R., and Grossman, J.N., 1992, Rhenium-osmium isotope systematics in meteorites I: Magmatic iron meteorite groups IIAB and IIIAB: Earth and Planetary Science Letters, v. 108, no. 4, p. 191-202, https://doi.org/10.1016/0012-821X(92)90022-N.","productDescription":"12 p.","startPage":"191","endPage":"202","numberOfPages":"12","costCenters":[],"links":[{"id":222859,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"108","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aad37e4b0c8380cd86e65","contributors":{"authors":[{"text":"Morgan, J. W.","contributorId":92384,"corporation":false,"usgs":true,"family":"Morgan","given":"J.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":373873,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Walker, R.J.","contributorId":105859,"corporation":false,"usgs":true,"family":"Walker","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":373874,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Grossman, J. N.","contributorId":41840,"corporation":false,"usgs":true,"family":"Grossman","given":"J.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":373872,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70016554,"text":"70016554 - 1992 - Residence times in river basins as determined by analysis of long-term tritium records","interactions":[],"lastModifiedDate":"2025-03-06T16:57:14.450633","indexId":"70016554","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2342,"text":"Journal of Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Residence times in river basins as determined by analysis of long-term tritium records","docAbstract":"<p><span>The US Geological Survey has maintained a network of stations to collect samples for the measurement of tritium concentrations in precipitation and streamflow since the early 1960s. Tritium data from outflow waters of river basins draining 4500–75000 km</span><sup>2</sup><span>&nbsp;are used to determine average residence times of water within the basins. The basins studied are the Colorado River above Cisco, Utah; the Kissimmee River above Lake Okeechobee, Florida; the Mississippi River above Anoka, Minnesota; the Neuse River above Streets Ferry Bridge near Vanceboro, North Carolina; the Potomac River above Point of Rocks, Maryland; the Sacramento River above Sacramento, California; the Susquehanna River above Harrisburg, Pennsylvania. The basins are modeled with the assumption that the outflow in the river comes from two sources—prompt (within-year) runoff from precipitation, and flow from the long-term reservoirs of the basin. Tritium concentration in the outflow water of the basin is dependent on three factors: (1) tritium concentration in runoff from the long-term reservoir, which depends on the residence time for the reservoir and historical tritium concentrations in precipitation; (2) tritium concentrations in precipitation (the within-year runoff component); (3) relative contributions of flow from the long-term and within-year components. Predicted tritium concentrations for the outflow water in the river basins were calculated for different residence times and for different relative contributions from the two reservoirs. A box model was used to calculate tritium concentrations in the long-term reservoir. Calculated values of outflow tritium concentrations for the basin were regressed against the measured data to obtain a slope as close as possible to 1. These regressions assumed an intercept of zero and were carried out for different values of residence time and reservoir contribution to maximize the fit of modeled versus actual data for all the above rivers. The final slopes of the fitted regression lines ranged from 0.95 to 1.01 (correlation coefficient &gt; 0.96) for the basins studied. Values for the residence time of waters within the basins and average relative contributions of the within-year and long-term reservoirs to outflow were obtained. Values for river basin residence times ranged from 2 years for the Kissimmee River basin to 20 years for the Potomac River basin. The residence times indicate the time scale in which the basin responds to anthropogenic inputs. The modeled tritium concentrations for the basins also furnish input data for urban and agricultural settings where these river waters are used.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/0022-1694(92)90117-E","issn":"00221694","usgsCitation":"Michel, R.L., 1992, Residence times in river basins as determined by analysis of long-term tritium records: Journal of Hydrology, v. 130, no. 1-4, p. 367-378, https://doi.org/10.1016/0022-1694(92)90117-E.","productDescription":"12 p.","startPage":"367","endPage":"378","numberOfPages":"12","costCenters":[],"links":[{"id":489980,"rank":2,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://digitalcommons.unl.edu/usgsstaffpub/434","text":"External Repository"},{"id":222910,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"130","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aa974e4b0c8380cd85de2","contributors":{"authors":[{"text":"Michel, R. L.","contributorId":86375,"corporation":false,"usgs":true,"family":"Michel","given":"R.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":373877,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70016579,"text":"70016579 - 1992 - Two-dimensional circulation modeling of the Pamlico River estuary, North Carolina","interactions":[],"lastModifiedDate":"2016-11-30T10:08:40","indexId":"70016579","displayToPublicDate":"1992-01-01T00:00:00","publicationYear":"1992","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Two-dimensional circulation modeling of the Pamlico River estuary, North Carolina","docAbstract":"A two dimensional, vertically averaged, unsteady flow model was applied to a 50- kilometer reach of the Pamlico River estuary, North Carolina. The model computational grid, which consists of about 16,000 square cells, each 200 meters on a side, was developed from more than one million depth soundings. Information from a comprehensive data-collection network, including six water-level stations, six temperature and salinity measurement stations, and one wind measurement station, was used to provide data for boundary conditions and for model calibration. Preliminary model results for this ongoing study were sensitive to the presence of a lateral water-level gradient at the downstream boundary. For the simulation period, water-level oscillations at the downstream boundary were much more important in controlling Pamlico River flows than were local winds blowing over the surface of the estuary. Average absolute differences between observed and simulated water levels at two measurement sites were less than 2 centimeters for the 8-day calibration period.","conferenceTitle":"Proceedings of the 2nd International Conference on Estuarine and Coastal Modeling","conferenceDate":"13 November 1992 through 15 November 1992","conferenceLocation":"Tampa, FL, USA","language":"English","publisher":"Publ by ASCE","publisherLocation":"New York, NY, United States","isbn":"0872628612","usgsCitation":"Giese, G.L., and Bales, J., 1992, Two-dimensional circulation modeling of the Pamlico River estuary, North Carolina, Proceedings of the 2nd International Conference on Estuarine and Coastal Modeling, Tampa, FL, USA, 13 November 1992 through 15 November 1992, p. 607-619.","startPage":"607","endPage":"619","numberOfPages":"13","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":223063,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina","otherGeospatial":"Pamlico River estuary","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bb992e4b08c986b327c7e","contributors":{"authors":[{"text":"Giese, G. L.","contributorId":44898,"corporation":false,"usgs":true,"family":"Giese","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":373946,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bales, Jerad","contributorId":47390,"corporation":false,"usgs":true,"family":"Bales","given":"Jerad","affiliations":[],"preferred":false,"id":373947,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
]}