SPalladium, platinum, and rhodium concentrations are reported for rocks belonging to the Peridotite zone of the Ultramafic series and the Basal series of the late Archcan Stillwater Complex, a suite of Stillwater-associated sills and dikes, and the metamorphic rocks lying within the contact aureole of the complex. Mean values do not exceed 20 ppb for any rock unit and the tenth percentile rarely exceeds 200 ppb. The concentration of Pd is greater than Pt for most rock groups; both of these elements have higher concentrations than Rh.A large part of the variability in the data appears to be related to rock types containing different proportions of sulfide. It is also notable that sulfur does not correlate with the platinum-group element concentrations for many lithologies, and when it does, it commonly is not a useful predictor of platinum-group element content. Further, calculated values of R, the mass ratio of silicate liquid which has equilibrated with sulfide liquid, are low (1 to 320). Analysis of this information suggests that the immiscible sulfide liquids, from which the sulfides formed, did not completely equilibrate with the silicate liquids with respect to their platinum-group element contents and that the silicate liquids were characterized by different concentrations and ratios of platinum-group elements.
","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.81.5.1169","issn":"03610128","usgsCitation":"Zientek, M.L., Foose, M.P., and Leung, M., 1986, Palladium, platinum, and rhodium contents of rocks near the lower margin of the Stillwater complex, Montana: Economic Geology, v. 81, no. 5, p. 1169-1178, https://doi.org/10.2113/gsecongeo.81.5.1169.","productDescription":"10 p.","startPage":"1169","endPage":"1178","numberOfPages":"10","costCenters":[],"links":[{"id":225643,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"81","issue":"5","noUsgsAuthors":false,"publicationDate":"1986-08-01","publicationStatus":"PW","scienceBaseUri":"505a747ce4b0c8380cd77683","contributors":{"authors":[{"text":"Zientek, M. L.","contributorId":6118,"corporation":false,"usgs":true,"family":"Zientek","given":"M.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":368552,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Foose, M. P.","contributorId":97075,"corporation":false,"usgs":true,"family":"Foose","given":"M.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":368554,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Leung, Mei","contributorId":56386,"corporation":false,"usgs":true,"family":"Leung","given":"Mei","email":"","affiliations":[],"preferred":false,"id":368553,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70014508,"text":"70014508 - 1986 - THEORETICAL AND EXPERIMENTAL ASPECTS OF ISOTOPIC FRACTIONATION.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:31","indexId":"70014508","displayToPublicDate":"1986-01-01T00:00:00","publicationYear":"1986","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3280,"text":"Reviews in Mineralogy","active":true,"publicationSubtype":{"id":10}},"title":"THEORETICAL AND EXPERIMENTAL ASPECTS OF ISOTOPIC FRACTIONATION.","docAbstract":"Essential to the interpretation of natural variations of light stable isotope ratios is knowledge of the magnitude and temperature dependence of isotopic fractionation factors between the common minerals and fluids. These fractionation factors are obtained in three ways: (1) Semi-empirical calculations using spectroscopic data and the methods of statistical mechanics. (2) Laboratory calibration studies. (3) Measurements of natural samples whose formation conditions are well-known or highly constrained. In this chapter methods (1) and (2) are evaluated and a review is given of the present state of knowledge of the theory of isotopic fractionation and the fraction that influence the isotopic properties of minerals.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Reviews in Mineralogy","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"02750279","usgsCitation":"O’Neil, J.R., 1986, THEORETICAL AND EXPERIMENTAL ASPECTS OF ISOTOPIC FRACTIONATION.: Reviews in Mineralogy, v. 16, p. 1-40.","startPage":"1","endPage":"40","numberOfPages":"40","costCenters":[],"links":[{"id":225580,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505ba385e4b08c986b31fd35","contributors":{"authors":[{"text":"O’Neil, James R.","contributorId":70762,"corporation":false,"usgs":true,"family":"O’Neil","given":"James","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":368542,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70014503,"text":"70014503 - 1986 - NEW STUDIES OF URBAN FLOOD FREQUENCY IN THE SOUTHEASTERN UNITED STATES.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:32","indexId":"70014503","displayToPublicDate":"1986-01-01T00:00:00","publicationYear":"1986","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3647,"text":"Transportation Research Record","active":true,"publicationSubtype":{"id":10}},"title":"NEW STUDIES OF URBAN FLOOD FREQUENCY IN THE SOUTHEASTERN UNITED STATES.","docAbstract":"Five reports dealing with flood magnitude and frequency in urban areas in the southeastern United States have been published during the past 2 years by the U. S. Geological Survey (USGS). These reports are based on data collected in Tampa and Tallahassee, Florida; Atlanta, Georgia; and several cities in Alabama and Tennessee. Each report contains regression equations useful for estimating flood peaks for selected recurrence intervals at ungauged urban sites. A nationwide study of urban flood characteristics by the USGS published in 1983 contains equations for estimating urban peak discharges for ungauged sites. At the time that the nationwide study was conducted, data from only 35 sites in the southeastern United States were available. The five new reports contain data for 88 additional sites. These new data show that the seven-parameter estimating equations developed in the nationwide study are unbiased and have prediction errors less than those described in the nationwide report.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Transportation Research Record","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"03611981","usgsCitation":"Sauer, V.B., 1986, NEW STUDIES OF URBAN FLOOD FREQUENCY IN THE SOUTHEASTERN UNITED STATES.: Transportation Research Record, p. 10-15.","startPage":"10","endPage":"15","numberOfPages":"6","costCenters":[],"links":[{"id":225515,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a6146e4b0c8380cd718b3","contributors":{"authors":[{"text":"Sauer, Vernon B.","contributorId":92645,"corporation":false,"usgs":true,"family":"Sauer","given":"Vernon","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":368533,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70014495,"text":"70014495 - 1986 - Management of the life and death of an earth-science database: some examples from geotherm","interactions":[],"lastModifiedDate":"2013-01-21T15:37:53","indexId":"70014495","displayToPublicDate":"1986-01-01T00:00:00","publicationYear":"1986","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1315,"text":"Computers & Geosciences","printIssn":"0098-3004","active":true,"publicationSubtype":{"id":10}},"title":"Management of the life and death of an earth-science database: some examples from geotherm","docAbstract":"Productive earth-science databases require managers who are familiar with and skilled at using available software developed specifically for database management. There also should be a primary user with a clearly understood mission. The geologic phenomenon addressed by the database must be sufficiently understood, and adequate appropriate data must be available to construct a useful database. The database manager, in concert with the primary user, must ensure that data of adequate quality are available in the database, as well as prepare for mechanisms of releasing the data when the database is terminated. The primary user needs to be held accountable along with the database manager to ensure that a useful database will be created. Quality of data and maintenance of database relevancy to the user's mission are important issues during the database's lifetime. Products prepared at termination may be used more than the operational database and thus are of critical importance. These concepts are based, in part, on both the shortcomings and successes of GEOTHERM, a comprehensive system of databases and software used to store, locate, and evaluate the geology, geochemistry, and hydrology of geothermal systems. ?? 1986.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Computers and Geosciences","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","publisherLocation":"Amsterdam, Netherlands","doi":"10.1016/0098-3004(86)90006-3","issn":"00983004","usgsCitation":"Bliss, J.D., 1986, Management of the life and death of an earth-science database: some examples from geotherm: Computers & Geosciences, v. 12, no. 2, p. 199-205, https://doi.org/10.1016/0098-3004(86)90006-3.","startPage":"199","endPage":"205","numberOfPages":"7","costCenters":[],"links":[{"id":266183,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0098-3004(86)90006-3"},{"id":225384,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"12","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4c78e4b0c8380cd69cab","contributors":{"authors":[{"text":"Bliss, J. D.","contributorId":25564,"corporation":false,"usgs":true,"family":"Bliss","given":"J.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":368522,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70014491,"text":"70014491 - 1986 - Applications of Landsat data and the data base approach","interactions":[],"lastModifiedDate":"2017-01-18T14:38:46","indexId":"70014491","displayToPublicDate":"1986-01-01T00:00:00","publicationYear":"1986","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":"Applications of Landsat data and the data base approach","docAbstract":"A generalized methodology for applying digital Landsat data to resource inventory and assessment tasks is currently being used by several bureaux and agencies within the US Department of the Interior. The methodology includes definition of project objectives and output, identification of source materials, construction of the digital data base, performance of computer-assisted analyses, and generation of output. The USGS, Bureau of Land Management, US Fish and Wildlife Service, Bureau of Indian Affairs, Bureau of Reclamation, and National Park Service have used this generalized methodology to assemble comprehensive digital data bases for resource management. Advanced information processing techniques have been applied to these data bases for making regional environmental surveys on millions of acres of public lands at costs ranging from $0.01 to $0.08 an acre.-Author","language":"English","usgsCitation":"Lauer, D.T., 1986, Applications of Landsat data and the data base approach: Photogrammetric Engineering and Remote Sensing, v. 52, no. 8, p. 1193-1199.","productDescription":"7 p.","startPage":"1193","endPage":"1199","numberOfPages":"7","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":225318,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"52","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059ecc4e4b0c8380cd4948d","contributors":{"authors":[{"text":"Lauer, D. T.","contributorId":47907,"corporation":false,"usgs":true,"family":"Lauer","given":"D.","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":368515,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70014621,"text":"70014621 - 1986 - DIGITAL MAPPING PROGRAM OF THE U. S. GEOLOGICAL SURVEY.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:30","indexId":"70014621","displayToPublicDate":"1986-01-01T00:00:00","publicationYear":"1986","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"DIGITAL MAPPING PROGRAM OF THE U. S. GEOLOGICAL SURVEY.","docAbstract":"As the nation's primary Federal earth-science, factfinding and research agency, the U. S. Geological Survey (USGS) provides cartographic and natural resource information to many users to aid in planning and decision-making. Users of the data, both inside and outside the USGS, have become more and more sophisticated in their applications. As a consequence, scientists at the USGS are embracing computer technology as an essential element of their data gathering and production activities. Now, much of that cartographic information is available in computer-compatible form on magnetic tape from USGS national digital cartographic data bases.","conferenceTitle":"Advances in CAD/CAM Workstations: Case Studies.","conferenceLocation":"Monterey, CA, USA","language":"English","publisher":"Klumer Academic Publ","publisherLocation":"Boston, MA, USA","isbn":"0898381576","usgsCitation":"Mikuni, A.M., 1986, DIGITAL MAPPING PROGRAM OF THE U. S. GEOLOGICAL SURVEY., Advances in CAD/CAM Workstations: Case Studies., Monterey, CA, USA, p. 173-184.","startPage":"173","endPage":"184","numberOfPages":"12","costCenters":[],"links":[{"id":226169,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fd47e4b0c8380cd4e73b","contributors":{"authors":[{"text":"Mikuni, Alan M.","contributorId":7016,"corporation":false,"usgs":true,"family":"Mikuni","given":"Alan","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":368843,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70201450,"text":"wdrSC841 - 1986 - Water resources data for South Carolina, water year 1984","interactions":[],"lastModifiedDate":"2021-01-26T20:44:20.89528","indexId":"wdrSC841","displayToPublicDate":"1984-01-01T10:10:48","publicationYear":"1986","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":340,"text":"Water Data Report","code":"WDR","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"SC-84-1","title":"Water resources data for South Carolina, water year 1984","docAbstract":"Water resources data for the 1984 water year for South Carolina consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels of ground-water wells. This volume contains records for water discharge at 93 gaging stations, stage only at 5 gaging stations, stage and contents at 11 lakes and reservoirs, water quality at 49 gaging stations, and water levels at 62 observation wells. Also included are data for 40 crest-stage partial-record station. Locations of these sites are shown on figures 3, 4, 5, and 6. Additional water data were collected at various sites not involved in the systematic data-collection program. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in South Carolina.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wdrSC841","collaboration":"Prepared in cooperation with the State of South Carolina and with other local and Federal agencies","usgsCitation":"Bennett, C., Hayes, R., Gissendanner, J., and Jones, K., 1986, Water resources data for South Carolina, water year 1984: U.S. Geological Survey Water Data Report SC-84-1, x, 392 p., https://doi.org/10.3133/wdrSC841.","productDescription":"x, 392 p.","numberOfPages":"406","costCenters":[],"links":[{"id":382624,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wdr/1984/sc-84-1/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":382001,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wdr/1984/sc-84-1/report-thumb.jpg"}],"country":"United States","state":"South 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Carolina\",\"nation\":\"USA \"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bennett, C.S.","contributorId":13273,"corporation":false,"usgs":true,"family":"Bennett","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":807778,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hayes, R.D.","contributorId":19197,"corporation":false,"usgs":true,"family":"Hayes","given":"R.D.","email":"","affiliations":[],"preferred":false,"id":807779,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gissendanner, J.W.","contributorId":39856,"corporation":false,"usgs":true,"family":"Gissendanner","given":"J.W.","affiliations":[],"preferred":false,"id":807780,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Jones, K.H.","contributorId":93566,"corporation":false,"usgs":true,"family":"Jones","given":"K.H.","email":"","affiliations":[],"preferred":false,"id":807781,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":28719,"text":"wri844329 - 1985 - Percentage entrainment of constituent loads in urban runoff, south Florida","interactions":[],"lastModifiedDate":"2021-12-13T12:16:16.017173","indexId":"wri844329","displayToPublicDate":"2021-12-12T20:35:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":342,"text":"Water-Resources Investigations Report","code":"WRI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"84-4329","title":"Percentage entrainment of constituent loads in urban runoff, south Florida","docAbstract":"Runoff quantity and quality data from four urban basins in south Florida were analyzed to determine the entrainment of total nitrogen, total phosphorus, total carbon, chemical oxygen demand, suspended solids, and total lead within the stormwater runoff. Land use of the homogeneously developed basins are residential (single family), highway, commercial, and apartment (multifamily).\r\n\r\nA computational procedure was used to calculate, for all storms that had water-quality data, the percentage of constituent load entrainment in specified depths of runoff. The plot of percentage of constituent load entrained as a function of runoff is termed the percentage-entrainment curve.\r\n\r\nPercentage-entrainment curves were developed for three different source areas of basin runoff: (1) the hydraulically effective impervious area, (2) the contributing area, and (3) the drainage area. With basin runoff expressed in inches over the contributing area, the depth of runoff required to remove 90 percent of the constituent load ranged from about 0.4 inch to about 1.4 inches; and to remove 80 percent, from about 0.3 to 0.9 inch.\r\n\r\nAnalysis of variance, using depth of runoff from the contributing area as the response variable, showed that the factor 'basin' is statistically significant, but that the factor 'constituent' is not statistically significant in the forming of the percentage-entrainment curve. Evidently the sewerage design, whether elongated or concise in plan dictates the shape of the percentage-entrainment curve.\r\n\r\nThe percentage-entrainment curves for all constituents were averaged for each basin and plotted against basin runoff for three source areas of runoff-the hydraulically effective impervious area, the contributing area, and the drainage area. The relative positions of the three curves are directly related to the relative sizes of the three source areas considered.\r\n\r\nOne general percentage-entrainment curve based on runoff from the contributing area was formed by averaging across both constituents and basins. Its coordinates are: 0.25 inch of runoff for 50-percent entrainment, 0.65 inch of runoff for 80-percent entrainment, and 0.95 inch of runoff for 90-percent entrainment. The general percentage-entrainment curve based on runoff from the hydraulically effective impervious area has runoff values of 0.35, 0.95, 1.6 inches, respectively.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/wri844329","collaboration":"Prepared in cooperation with the Florida Department of Transportation","usgsCitation":"Miller, R.A., 1985, Percentage entrainment of constituent loads in urban runoff, south Florida: U.S. Geological Survey Water-Resources Investigations Report 84-4329, vi, 44 p., https://doi.org/10.3133/wri844329.","productDescription":"vi, 44 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":57550,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1984/4329/84-4329.pdf","text":"Report","size":"4.24 MB","linkFileType":{"id":1,"text":"pdf"},"description":"WRI 84-4329"},{"id":124610,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1984/4329/coverthb.jpg"}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -80.7220458984375,\n 25.16517336866393\n ],\n [\n -79.8431396484375,\n 25.16517336866393\n ],\n [\n -79.8431396484375,\n 26.701452590314368\n ],\n [\n -80.7220458984375,\n 26.701452590314368\n ],\n [\n -80.7220458984375,\n 25.16517336866393\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314
No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wdrMDDE841","usgsCitation":"James, R., Simmons, R., and Strain, B., 1985, Water resources data for Maryland and Delaware, water year 1984: U.S. Geological Survey Water Data Report MD-DE-84-1, 321 p., https://doi.org/10.3133/wdrMDDE841.","productDescription":"321 p.","costCenters":[{"id":41514,"text":"Maryland-Delaware-District of Columbia Water Science Center","active":true,"usgs":true}],"links":[{"id":381783,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wdr/1984/md-de-84-1/wdrMDDE841.pdf","text":"Report","size":"14.0 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Water Data Report MD-DE-84-1"},{"id":174925,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wdr/1984/md-de-84-1/wdrMDDE841_coverthb.jpg"}],"country":"United States","state":"Delaware, 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Survey in Alaska: Accomplishments during 1983","interactions":[{"subject":{"id":70180229,"text":"70180229 - 1985 - Digital image processing techniques for detecting surface alteration - An application on the Alaska Peninsula: A section in The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"70180229","publicationYear":"1985","noYear":false,"title":"Digital image processing techniques for detecting surface alteration - An application on the Alaska Peninsula: A section in The United States Geological Survey in Alaska: Accomplishments during 1983"},"predicate":"IS_PART_OF","object":{"id":4437,"text":"cir945 - 1985 - The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"cir945","publicationYear":"1985","noYear":false,"title":"The United States Geological Survey in Alaska: Accomplishments during 1983"},"id":1}],"isPartOf":{"id":4437,"text":"cir945 - 1985 - The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"cir945","publicationYear":"1985","noYear":false,"title":"The United States Geological Survey in Alaska: Accomplishments during 1983"},"lastModifiedDate":"2017-01-27T11:14:18","indexId":"70180229","displayToPublicDate":"2017-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"945","title":"Digital image processing techniques for detecting surface alteration - An application on the Alaska Peninsula: A section in The United States Geological Survey in Alaska: Accomplishments during 1983","docAbstract":"The tectonic evolution of the Alaska Peninsula makes it a likely area for the discovery of significant mineral deposits. However, because of problems associated with remoteness and poor weather, little detailed mineral exploration work has been carried on there. This study focuses on using Landsat multispectral scanner data for the Port Moller, Stepovak Bay, and Simeon of Island Quadrangles to detect surface alteration, probably limonitic (iron oxide staining) and(or) argillic (secondary clay minerals) in character, that could be indicative of mineral deposits. The techniques used here are useful for mapping deposits that have exposed surface alteration of at least an hectare, the approximate spatial resolution of the Landsat data. Virtually cloud-free Landsat coverage was used, but to be detected, the alteration area must also be unobscured by vegetation. Not all mineral deposits will be associated with surface alteration, and not all areas of surface alteration will have valuable mineral deposits.
","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"The United States Geological Survey in Alaska: Accomplishments during 1983 (Circular 945)","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Alexandria, VA","doi":"10.3133/70180229","usgsCitation":"York, J., Wilson, F.H., and Gamble, B.M., 1985, Digital image processing techniques for detecting surface alteration - An application on the Alaska Peninsula: A section in The United States Geological Survey in Alaska: Accomplishments during 1983: U.S. Geological Survey Circular 945, 3 p., https://doi.org/10.3133/70180229.","productDescription":"3 p.","startPage":"56","endPage":"58","numberOfPages":"3","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":334008,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":333994,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/circ/1985/0945/report.pdf#page=68","text":"Start page in larger work"}],"country":"United States","state":"Alaska","otherGeospatial":"Alaska Peninsula","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5889c7c7e4b0ba3b075e064c","contributors":{"authors":[{"text":"York, James","contributorId":69604,"corporation":false,"usgs":true,"family":"York","given":"James","email":"","affiliations":[],"preferred":false,"id":660825,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, Frederic H. 0000-0003-1761-6437 fwilson@usgs.gov","orcid":"https://orcid.org/0000-0003-1761-6437","contributorId":67174,"corporation":false,"usgs":true,"family":"Wilson","given":"Frederic","email":"fwilson@usgs.gov","middleInitial":"H.","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":660826,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gamble, Bruce M. bgamble@usgs.gov","contributorId":560,"corporation":false,"usgs":true,"family":"Gamble","given":"Bruce","email":"bgamble@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":660827,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70180233,"text":"70180233 - 1985 - Preliminary description of a Miocene zone of structural complexity, Port Moller and Stepovak Bay quadrangles, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1983","interactions":[{"subject":{"id":70180233,"text":"70180233 - 1985 - Preliminary description of a Miocene zone of structural complexity, Port Moller and Stepovak Bay quadrangles, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"70180233","publicationYear":"1985","noYear":false,"title":"Preliminary description of a Miocene zone of structural complexity, Port Moller and Stepovak Bay quadrangles, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1983"},"predicate":"IS_PART_OF","object":{"id":4437,"text":"cir945 - 1985 - The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"cir945","publicationYear":"1985","noYear":false,"title":"The United States Geological Survey in Alaska: Accomplishments during 1983"},"id":1}],"isPartOf":{"id":4437,"text":"cir945 - 1985 - The United States Geological Survey in Alaska: Accomplishments during 1983","indexId":"cir945","publicationYear":"1985","noYear":false,"title":"The United States Geological Survey in Alaska: Accomplishments during 1983"},"lastModifiedDate":"2017-05-19T18:13:51","indexId":"70180233","displayToPublicDate":"2017-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":307,"text":"Circular","code":"CIR","onlineIssn":"2330-5703","printIssn":"1067-084X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"945","title":"Preliminary description of a Miocene zone of structural complexity, Port Moller and Stepovak Bay quadrangles, Alaska: A section in The United States Geological Survey in Alaska: Accomplishments during 1983","docAbstract":"A zone of structural disruption and complexity along the Pacific coast margin of the Alaska Peninsula (fig. 41) may be related to the Alaska Peninsula and the Chugach terrane boundary. The best exposure of this zone is located on the east shore of Humpback Bay (figs. 42, 43; also Burk, 1965, pl. 8, fig. 4); other exposures are located on the east side of Ivanof Bay, the north and south sides of Lefthand Bay, and in other coastal localities in the area. In some places, such as on the Kupreanof Peninsula, it is not recognized. This zone may extend discontinuously for 110-160 km along the coast; the width of the zone varies from 0.5 to 1 km. Our current data and tentative interpretations are described here, pending completion of additional field research, laboratory, and office studies.
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twenty-second in a series of annual reports that describe ground-water conditions in Utah. Reports in this series, published cooperatively by the U.S. Geological Survey and the Utah Division of Water Resources, provide data to enable interested parties to keep abreast of changing ground-water conditions.
This report, like the others in the series, contains information on well construction, ground-water withdrawals from wells, water-level changes, and related changes in precipitation and streamflow. Supplementary data such as graphs showing chemical quality of water and maps showing ground-water level contours are included in reports of this series only for those years or areas for which applicable data are available and are important to a discussion of changing ground-water conditions.
This report includes individual discussions of selected major areas of ground-water development in the State for the calendar year 1984. Water-level fluctuations, however, are described from the spring of 1984 to the spring of 1985. Much of the data used in this report were collected by the U.S. Geological Survey in cooperation with the Division of Water Rights, Utah Department of Natural Resources.
","language":"English","publisher":"Utah Department of Natural Resources, Division of Water Resources","publisherLocation":"Salt Lake City, UT","collaboration":"Prepared in cooperation with the State of Utah","usgsCitation":"Seiler, R.L., Herbert, L.R., Bischoff, D.A., Clark, D.W., Pyper, G., Burden, C.B., Jensen, V., Enright, M., Emett, D.C., Sether, B., Eckenwiler, M., and Sandberg, G.W., 1985, Developing a state water plan: Ground-water conditions in Utah, spring of 1985: Cooperative Investigations Report 25, vii, 84 p.","productDescription":"vii, 84 p.","numberOfPages":"92","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":333652,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":333651,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.waterrights.utah.gov/cgi-bin/libview.exe?Modinfo=Viewpub&LIBNUM=50-1-180"}],"country":"United States","state":"Utah","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5883303be4b0d0023163782a","contributors":{"authors":[{"text":"Seiler, Ralph L.","contributorId":13609,"corporation":false,"usgs":true,"family":"Seiler","given":"Ralph","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":659577,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Herbert, L. R.","contributorId":39865,"corporation":false,"usgs":true,"family":"Herbert","given":"L.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":659578,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bischoff, Donald A. bischoff@usgs.gov","contributorId":4030,"corporation":false,"usgs":true,"family":"Bischoff","given":"Donald","email":"bischoff@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":659579,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clark, David W.","contributorId":77146,"corporation":false,"usgs":true,"family":"Clark","given":"David","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":659580,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Pyper, George","contributorId":178537,"corporation":false,"usgs":false,"family":"Pyper","given":"George","email":"","affiliations":[],"preferred":false,"id":659581,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Burden, Carole B. cburden@usgs.gov","contributorId":852,"corporation":false,"usgs":true,"family":"Burden","given":"Carole","email":"cburden@usgs.gov","middleInitial":"B.","affiliations":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"preferred":true,"id":659582,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Jensen, V.L.","contributorId":99034,"corporation":false,"usgs":true,"family":"Jensen","given":"V.L.","email":"","affiliations":[],"preferred":false,"id":659583,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Enright, Michael","contributorId":99979,"corporation":false,"usgs":true,"family":"Enright","given":"Michael","email":"","affiliations":[],"preferred":false,"id":659584,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Emett, D. C.","contributorId":21213,"corporation":false,"usgs":true,"family":"Emett","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":659585,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Sether, B.A.","contributorId":61504,"corporation":false,"usgs":true,"family":"Sether","given":"B.A.","affiliations":[],"preferred":false,"id":659586,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Eckenwiler, M.R.","contributorId":9674,"corporation":false,"usgs":true,"family":"Eckenwiler","given":"M.R.","email":"","affiliations":[],"preferred":false,"id":659587,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Sandberg, G. W.","contributorId":55426,"corporation":false,"usgs":true,"family":"Sandberg","given":"G.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":659588,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70007200,"text":"ofr85413 - 1985 - Directory of Assistance Centers of the National Water Data Exchange (NAWDEX)","interactions":[],"lastModifiedDate":"2012-05-04T01:01:38","indexId":"ofr85413","displayToPublicDate":"2012-05-03T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"85-413","title":"Directory of Assistance Centers of the National Water Data Exchange (NAWDEX)","docAbstract":"The National Water Data Exchange (NAWDEX), managed by the U.S. Geological Survey, has established a network of Assistance Centers throughout the United States and Puerto Rico to assist users of water data in identifying and locating the data they need. This Directory provides the information needed to contact any of the established Centers.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr85413","usgsCitation":"Blackwell, C.D., 1985, Directory of Assistance Centers of the National Water Data Exchange (NAWDEX): U.S. Geological Survey Open-File Report 85-413, iv, 34 p.; Appendix, https://doi.org/10.3133/ofr85413.","productDescription":"iv, 34 p.; Appendix","costCenters":[{"id":410,"text":"National Center","active":false,"usgs":true}],"links":[{"id":261249,"rank":800,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1985/0413/report.pdf"},{"id":261250,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1985/0413/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a01bce4b0c8380cd4fd34","contributors":{"authors":[{"text":"Blackwell, Cassandra D.","contributorId":25562,"corporation":false,"usgs":true,"family":"Blackwell","given":"Cassandra","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":356050,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70039190,"text":"70039190 - 1985 - US GeoData: Digital cartographic and geographic data","interactions":[],"lastModifiedDate":"2012-07-25T01:02:05","indexId":"70039190","displayToPublicDate":"2012-01-01T14:11:27","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":362,"text":"General Information Product","active":false,"publicationSubtype":{"id":6}},"title":"US GeoData: Digital cartographic and geographic data","docAbstract":"The increasing use of computers for storing and analyzing earth science information has sparked a growth in the demand for various types of cartographic data in digital form. The production of map data in computerized form is called digital cartography, and it involves the collection, storage, processing, analysis, and display of map data with the aid of computers. The U.S. Geological Survey, the Nation's largest earth science research agency, has expanded its national mapping program to incorporate operations associated with digital cartography, including the collection of planimetric, elevation, and geographic names information in digital form. This digital information is available for use in meeting the multipurpose needs and applications of the map user community.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70039190","collaboration":"National Mapping Program","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1985, US GeoData: Digital cartographic and geographic data: General Information Product, 2 Plates: 91 x 41 cm. and 92 x 41 cm., https://doi.org/10.3133/70039190.","productDescription":"2 Plates: 91 x 41 cm. and 92 x 41 cm.","costCenters":[{"id":409,"text":"National Cartographic Information Center","active":false,"usgs":true}],"links":[{"id":259135,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":261352,"rank":900,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gip/70039190/plate-1.pdf"},{"id":261353,"rank":900,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/gip/70039190/plate-2.pdf"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bbb4ae4b08c986b3285f9","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":535233,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":72501,"text":"ofr8576 - 1985 - Program of operation for the National Water Data Ex. (NAWDEX)","interactions":[],"lastModifiedDate":"2012-08-15T17:16:29","indexId":"ofr8576","displayToPublicDate":"2012-01-01T11:28:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"85-76","title":"Program of operation for the National Water Data Ex. (NAWDEX)","docAbstract":"The National Water Data Exchange (NAWDEX) has been established as a nationwide program directed at improving access to water and water-related data and disseminating information about the availability of these data throughout the entire water-resources community. NAWDEX is composed of a confederation of water-oriented organizations working together to facilitate the exchange of data and to improve the technology of data handling and transfer. This program of operation is directed at providing guidelines to assure that all member organizations participate equally and that a climate of cooperation and open communication be established among participating members.","language":"ENGLISH","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr8576","usgsCitation":"Edwards, M., 1985, Program of operation for the National Water Data Ex. (NAWDEX): U.S. Geological Survey Open-File Report 85-76, iii, 6 p., https://doi.org/10.3133/ofr8576.","productDescription":"iii, 6 p.","startPage":"i","endPage":"6","numberOfPages":"10","costCenters":[{"id":629,"text":"Water Resources Division","active":false,"usgs":true}],"links":[{"id":261064,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1985/0076/report-thumb.jpg"},{"id":259608,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1985/0076/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a8e43e4b0c8380cd7f0d0","contributors":{"authors":[{"text":"Edwards, M.D.","contributorId":29438,"corporation":false,"usgs":true,"family":"Edwards","given":"M.D.","email":"","affiliations":[],"preferred":false,"id":285733,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5222044,"text":"5222044 - 1985 - Habitat comparisons and productivity in nesting common terns on the mid-Atlantic coast","interactions":[],"lastModifiedDate":"2023-11-20T12:32:38.810099","indexId":"5222044","displayToPublicDate":"2010-06-16T12:19:32","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1272,"text":"Colonial Waterbirds","printIssn":"07386028","active":false,"publicationSubtype":{"id":10}},"title":"Habitat comparisons and productivity in nesting common terns on the mid-Atlantic coast","docAbstract":"Nesting Common Terns (Sterna hirundo) were studied at a number of barrier beaches and small islands of tidal salt marsh in New Jersey and the Eastern Shore of Maryland-Virginina from 1980 through 1982. Data were collected on clutch sizes, nest spacing, and nesting success. The principal null hypothesis tested was that no difference in reproductive success exists between beach and marsh habitats. Nests were monitored from egg-laying in mid-May until mid-July when young fledged. Clutch sizes varied among colonies and across years but no systematic effect of year, habitat, or colony size on mean clutch size per colony was detected. Analyses of nest productivity (estimated using both the Mayfield method and using a colony average) failed to reveal significant effects of habitat or colony size but showed a stronger year effect. Storm tide flooding and egg chick disappearance (presumably predation by Herring Gulls Larus argentatus and Laughing Gulls L. atricilla nesting nearby) accounted for most nest failures. Losses due to both these mortality factors were unpredictable from year to year. Nest spacing in salt marsh colonies was much closer than it was on barrier beaches. In mixed-species colonies with Black Skimmers (Rynchops niger), distances between tern and skimmer nests were also much smaller in marsh colonies than they were on beaches. The limited amount of wrack (windrows of dead, matted vegetation) preferred by marsh-nesting terns probably explains these spacing differences. Several lines of evidence suggest that terns prefer beaches to marshes for nesting, however, the uncertainty of predation and flooding may often obscure any intrinsic differences in habitat quality. Long-term field studies are essential for testing hypotheses related to differential fitness of individuals among habitats.","language":"English","publisher":"Waterbird Society","doi":"10.2307/1521066","usgsCitation":"Erwin, R., and Smith, D.C., 1985, Habitat comparisons and productivity in nesting common terns on the mid-Atlantic coast: Colonial Waterbirds, v. 8, no. 2, p. 155-165, https://doi.org/10.2307/1521066.","productDescription":"11 p.","startPage":"155","endPage":"165","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198321,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db649681","contributors":{"authors":[{"text":"Erwin, R.M.","contributorId":57396,"corporation":false,"usgs":true,"family":"Erwin","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":335352,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, D. C. davidsmith@usgs.gov","contributorId":31057,"corporation":false,"usgs":true,"family":"Smith","given":"D.","email":"davidsmith@usgs.gov","middleInitial":"C.","affiliations":[],"preferred":false,"id":335351,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5222018,"text":"5222018 - 1985 - The need for accuracy in modelling: An example","interactions":[],"lastModifiedDate":"2017-12-27T13:51:28","indexId":"5222018","displayToPublicDate":"2010-06-16T12:18:58","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1458,"text":"Ecological Modelling","active":true,"publicationSubtype":{"id":10}},"title":"The need for accuracy in modelling: An example","docAbstract":"The need for accurate information in modelling depends on the objectives of the effort. but trustworthy data are essential for a model intended for use in the management of natural resources. This point is illustrated by referring to a recently published model of canvasback ducks. We demonstrate that several key assumptions are not supported by biological evidence, and that inferences drawn from the model could be dangerously misleading if they were used to guide the management of canvasback ducks.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ecological Modelling","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/0304-3800(85)90041-9","collaboration":"3190_Johnson.pdf","usgsCitation":"Johnson, D.H., Conroy, M., and Nichols, J., 1985, The need for accuracy in modelling: An example: Ecological Modelling, v. 30, no. 1/2, p. 157-161, https://doi.org/10.1016/0304-3800(85)90041-9.","productDescription":"5 p.","startPage":"157","endPage":"161","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true},{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":195823,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":17654,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://dx.doi.org/10.1016/0304-3800(85)90041-9","linkFileType":{"id":5,"text":"html"}}],"volume":"30","issue":"1/2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a80e4b07f02db649975","contributors":{"authors":[{"text":"Johnson, Douglas H. 0000-0002-7778-6641","orcid":"https://orcid.org/0000-0002-7778-6641","contributorId":70327,"corporation":false,"usgs":true,"family":"Johnson","given":"Douglas","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":335275,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Conroy, M.J.","contributorId":84690,"corporation":false,"usgs":true,"family":"Conroy","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":335276,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":335274,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5222012,"text":"5222012 - 1985 - Goodness-of-fit tests for open capture-recapture models","interactions":[],"lastModifiedDate":"2023-11-06T12:47:54.40782","indexId":"5222012","displayToPublicDate":"2010-06-16T12:18:58","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1039,"text":"Biometrics","active":true,"publicationSubtype":{"id":10}},"title":"Goodness-of-fit tests for open capture-recapture models","docAbstract":"General goodness-of-fit tests for the Jolly-Seber model are proposed. These tests are based on conditional arguments using minimal sufficient statistics. The tests are shown to be of simple hypergeometric form so that a series of independent contingency table chi-square tests can be performed. The relationship of these tests to other proposed tests is discussed. This is followed by a simulation study of the power of the tests to detect departures from the assumptions of the Jolly-Seber model. Some meadow vole capture-recapture data are used to illustrate the testing procedure which has been implemented in a computer program available from the authors.","language":"English","publisher":"International Biometric Society","doi":"10.2307/2530865","usgsCitation":"Pollock, K.H., Hines, J., and Nichols, J., 1985, Goodness-of-fit tests for open capture-recapture models: Biometrics, v. 41, no. 2, p. 399-410, https://doi.org/10.2307/2530865.","productDescription":"12 p.","startPage":"399","endPage":"410","numberOfPages":"12","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196858,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db674071","contributors":{"authors":[{"text":"Pollock, K. H.","contributorId":65184,"corporation":false,"usgs":false,"family":"Pollock","given":"K.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":335259,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hines, J.E. 0000-0001-5478-7230","orcid":"https://orcid.org/0000-0001-5478-7230","contributorId":36885,"corporation":false,"usgs":true,"family":"Hines","given":"J.E.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":335258,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":335257,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5222006,"text":"5222006 - 1985 - A search for stability gradients in North American breeding bird communities","interactions":[],"lastModifiedDate":"2017-05-12T18:11:22","indexId":"5222006","displayToPublicDate":"2010-06-16T12:18:58","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"A search for stability gradients in North American breeding bird communities","docAbstract":"To search for the existence of stability gradients in North American breeding land bird communities we operationally defined stability (after Jarvinen 1979) as year-to-year persistence in species composition and distribution of species abundances. From the census data for 174 study plots we derived nine indices that estimate the annual variability of species composition, the species abundance distribution, diversity, and breeding density. The resulting matrix of study plot by stability indices was used to estimate the correlation structure of the stability indices. The correlation matrix was, in turn, subjected to a principal components analysis to derive synthetic gradients of variation. We then searched for patterns of variation in these stability gradients associated with either geographic location or habitat type. Three independent principal component axes reproduced most of the variation in the initial data and were interpreted as gradients of variation in species turnover, diversity, and breeding abundance. Thus, the annual stability of community structure apparently responds independently to species and abundance variation. Despite the clarity of the derived gradients, few patterns emerged when the plots were ordinated by either habitat or geographic location. In general, grasslands showed greater annual variation in diversity than forested habitats, and, for some habitats, northern communities were less stable than more southern communities. However, few of these patterns were very strong, and we interpret them cautiously.","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4086823","usgsCitation":"Noon, B., Dawson, D., and Kelly, J., 1985, A search for stability gradients in North American breeding bird communities: The Auk, v. 102, no. 1, p. 64-81, https://doi.org/10.2307/4086823.","productDescription":"18 p.","startPage":"64","endPage":"81","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":480155,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/4086823","text":"Publisher Index Page"},{"id":196475,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"102","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b17e4b07f02db6a637c","contributors":{"authors":[{"text":"Noon, B.R.","contributorId":24311,"corporation":false,"usgs":true,"family":"Noon","given":"B.R.","email":"","affiliations":[],"preferred":false,"id":335239,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dawson, D.K. 0000-0001-7531-212X","orcid":"https://orcid.org/0000-0001-7531-212X","contributorId":94752,"corporation":false,"usgs":true,"family":"Dawson","given":"D.K.","affiliations":[],"preferred":false,"id":335241,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kelly, J.P.","contributorId":58732,"corporation":false,"usgs":true,"family":"Kelly","given":"J.P.","email":"","affiliations":[],"preferred":false,"id":335240,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5222007,"text":"5222007 - 1985 - Interspecific competition among Hawaiian forest birds","interactions":[],"lastModifiedDate":"2023-10-11T16:28:39.974957","indexId":"5222007","displayToPublicDate":"2010-06-16T12:18:58","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1459,"text":"Ecological Monographs","active":true,"publicationSubtype":{"id":10}},"title":"Interspecific competition among Hawaiian forest birds","docAbstract":"The object of this study was to determine whether interspecific competition modified local geographic distribution, after taking into account the effect of habitat structure. The tendencies for 14 passerine birds to have positive or negative associations were examined, using 7861 sample points in seven native forests on the islands of Hawaii, Maui, and Kauai. All birds were at least partly insectivorous and were fairly common in forested areas, although some fed chiefly on nectar or fruit. Species—pairs were classified as primary or secondary potential competitors based on general dietary similarity. To evaluate the association between species and to account for the effect of individual species habitat preferences, partial correlations were computed for each species—pair in a study area from the simple correlations between the species and 26 habitat variables plus two quadratic terms to represent nonlinearity. The partial correlations represented a short—term (\"instantaneous\") assessment of the strength of competitive interactions, and did not reflect the accumulation of competitive displacement through time. Of 170 partial correlations in the analysis, only 10 indicated significant negative association. The general pattern was of positive association (76 significantly positive partials), which probably resulted from flocking and from attraction of birds to areas of resource superabundance. Two species showed consistent patterns of negative partial correlations over several adjacent study areas, the Japanese White—eye/Iiwi in montane Hawaii, and the Japanese White—eye/Elepaio in windward Hawaii; both patterns could be reasonably attributed to direct competition. Species—pairs were grouped by the native or exotic status of the component species. Native/exotic pairs had a significantly greater proportion of negative partial correlations (37%) than either native/native pairs (8%) or exotic/exotic pairs (0%). This pattern was consistent across the seven study areas and appeared to reflect the occurrence of interspecific competition along a broad and diffuse ecological \"front\" between a co—evolved native avifauna and recently introduced exotic species. The role of competition in the pattern was corroborated by the significantly higher proportion of negative partial correlations among species—pairs of primary potential competitors than among those of secondary potential competitors. Our results suggested that °47% of the primary potential competitors among native/exotic species—pairs may experience at least small depressions in local population density due to competition. Although the negative correlations were for the most part small (average negative r = 0.06), one species could eventually replace another as spatial displacement accumulated through time. The Japanese White—eye appeared to have a principal role in native/exotic interactions, with 62% of the partial correlations between it and native primary potential competitor species being negative. Noteworthy implications were that (1) it was important to account for the habitat responses of individual species when studying the role of interspecific competition in modifying small—scale geographic distribution; (2) competition was frequently sporadic in its geographic occurrence and in the species affected, thus supporting Wiens' (1977) theory of competition; and (3) as a consequence, the role of interspecific competition in modifying distribution may be difficult to detect statistically with small data sets.
","language":"English","publisher":"Ecological Society of America","doi":"10.2307/1942558","usgsCitation":"Mountainspring, S., and Scott, J.M., 1985, Interspecific competition among Hawaiian forest birds: Ecological Monographs, v. 55, no. 2, p. 219-239, https://doi.org/10.2307/1942558.","productDescription":"21 p.","startPage":"219","endPage":"239","numberOfPages":"21","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":480154,"rank":2,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://zenodo.org/record/1235091","text":"External Repository"},{"id":196096,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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\"}}]}","volume":"55","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d6e4b07f02db5de76e","contributors":{"authors":[{"text":"Mountainspring, Stephen","contributorId":22450,"corporation":false,"usgs":true,"family":"Mountainspring","given":"Stephen","email":"","affiliations":[],"preferred":false,"id":335242,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Scott, J. M.","contributorId":55766,"corporation":false,"usgs":true,"family":"Scott","given":"J.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":335243,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5210895,"text":"5210895 - 1985 - Analysis of survival data from telemetry projects","interactions":[],"lastModifiedDate":"2012-02-02T00:15:23","indexId":"5210895","displayToPublicDate":"2009-06-09T09:23:18","publicationYear":"1985","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Analysis of survival data from telemetry projects","docAbstract":"Telemetry techniques can be used to study the survival rates of animal populations and are particularly suitable for species or settings for which band recovery models are not. Statistical methods for estimating survival rates and parameters of survival distributions from observations of radio-tagged animals will be described. These methods have been applied to medical and engineering studies and to the study of nest success. Estimates and tests based on discrete models, originally introduced by Mayfield, and on continuous models, both parametric and nonparametric, will be described. Generalizations, including staggered entry of subjects into the study and identification of mortality factors will be considered. Additional discussion topics will include sample size considerations, relocation frequency for subjects, and use of covariates.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 5. Workshop: Experimental Design and Data Analysis for Telemetry Projects. November 1985,","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisherLocation":"Sacramento, CA ","usgsCitation":"Bunck, C., Winterstein, S.R., and Pollock, K.H., 1985, Analysis of survival data from telemetry projects, chap. of Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 5. Workshop: Experimental Design and Data Analysis for Telemetry Projects. November 1985,.","startPage":"1 [abstrac","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202334,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad1e4b07f02db680df5","contributors":{"authors":[{"text":"Bunck, C.M.","contributorId":72337,"corporation":false,"usgs":true,"family":"Bunck","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":329510,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Winterstein, Scott R.","contributorId":66807,"corporation":false,"usgs":true,"family":"Winterstein","given":"Scott","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":329509,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pollock, K. H.","contributorId":65184,"corporation":false,"usgs":false,"family":"Pollock","given":"K.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":329508,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5210362,"text":"5210362 - 1985 - Maximum likelihood methods for investigating reporting rates of rings on hunter-shot birds","interactions":[],"lastModifiedDate":"2012-02-02T00:15:16","indexId":"5210362","displayToPublicDate":"2009-06-09T09:23:17","publicationYear":"1985","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Maximum likelihood methods for investigating reporting rates of rings on hunter-shot birds","docAbstract":"It is well known that hunters do not report 100% of the rings that they find on shot birds. Reward studies can be used to estimate what this reporting rate is, by comparison of recoveries of rings offering a monetary reward, to ordinary rings. A reward study of American Black Ducks (Anas rubripes) is used to illustrate the design, and to motivate the development of statistical models for estimation and for testing hypotheses of temporal and geographic variation in reporting rates. The method involves indexing the data (recoveries) and parameters (reporting, harvest, and solicitation rates) by geographic and temporal strata. Estimates are obtained under unconstrained (e.g., allowing temporal variability in reporting rates) and constrained (e.g., constant reporting rates) models, and hypotheses are tested by likelihood ratio. A FORTRAN program, available from the author, is used to perform the computations.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Statistics in Ornithology ","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Springer-Verlag","publisherLocation":"New York, New York","usgsCitation":"Conroy, M., 1985, Maximum likelihood methods for investigating reporting rates of rings on hunter-shot birds, chap. of Statistics in Ornithology , p. 215-241.","productDescription":"xxv, 418","startPage":"215","endPage":"241","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201303,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a27e4b07f02db61017a","contributors":{"editors":[{"text":"Morgan, B.J.T.","contributorId":114092,"corporation":false,"usgs":true,"family":"Morgan","given":"B.J.T.","email":"","affiliations":[],"preferred":false,"id":506350,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"North, P.M.","contributorId":35852,"corporation":false,"usgs":true,"family":"North","given":"P.M.","email":"","affiliations":[],"preferred":false,"id":506349,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Conroy, M.J.","contributorId":84690,"corporation":false,"usgs":true,"family":"Conroy","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":328267,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":5210155,"text":"5210155 - 1985 - Recent changes in the ranges of North American birds","interactions":[],"lastModifiedDate":"2012-02-02T00:15:13","indexId":"5210155","displayToPublicDate":"2009-06-09T09:23:16","publicationYear":"1985","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Recent changes in the ranges of North American birds","docAbstract":"The North American Breeding Bird Survey has provided an annual index of population change since 1966. About 2400 randomly distributed roadside routes of 50 three-minute stops each provide the basic data for computer analysis. One of the reports produced shows the percentage of routes on which each species is encountered in each state and each Canadian province. This percentage is used to show expansion and contraction of breeding range and also important changes in frequency of encounter within various portions of the range of each species. Most of the recent changes in range fall in one of these 7 categories: (1) introduced species; (2) species given special protection; (3) species benefiting from artificial feeding in winter; (4) species taking advantage of shelterbelts; (5) species nesting on large highway bridges and dams; (6) species that feed on grain lost during mechanical harvesting: and (7) species losing habitat as a result of urban expansion. Examples of each category are supported by changes in the rate of encounter.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Acta XVIII Congressus Internationalis Ornithologici, volume II","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Academy of Sciences of the USSR","publisherLocation":"Moscow","collaboration":"held in Moscow, August 16-24, 1982","usgsCitation":"Robbins, C., 1985, Recent changes in the ranges of North American birds, chap. of Acta XVIII Congressus Internationalis Ornithologici, volume II, p. 737-742.","productDescription":"580-1335","startPage":" 737","endPage":"742","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196489,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a60e4b07f02db634cd0","contributors":{"editors":[{"text":"Ilyichev, V.D.","contributorId":114166,"corporation":false,"usgs":true,"family":"Ilyichev","given":"V.D.","email":"","affiliations":[],"preferred":false,"id":506067,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Gavrilov, V.M.","contributorId":112284,"corporation":false,"usgs":true,"family":"Gavrilov","given":"V.M.","email":"","affiliations":[],"preferred":false,"id":506066,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":327864,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}