No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974229","usgsCitation":"Bruce, B.W., and McMahon, P., 1998, Shallow ground-water quality of selected land-use/aquifer settings in the South Platte River basin, Colorado and Nebraska, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 97-4229, vi, 48 p., https://doi.org/10.3133/wri974229.","productDescription":"vi, 48 p.","costCenters":[],"links":[{"id":55174,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4229/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":395648,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_48835.htm"},{"id":158060,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4229/report-thumb.jpg"}],"country":"United States","state":"Colorado, Nebraska","otherGeospatial":"South Platte River basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -105.9333,\n 39.3167\n ],\n [\n -100.9167,\n 39.3167\n ],\n [\n -100.9167,\n 41.1889\n ],\n [\n -105.9333,\n 41.1889\n ],\n [\n -105.9333,\n 39.3167\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fae4b07f02db5f415f","contributors":{"authors":[{"text":"Bruce, B. W.","contributorId":19577,"corporation":false,"usgs":true,"family":"Bruce","given":"B.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":196295,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McMahon, P.B. 0000-0001-7452-2379","orcid":"https://orcid.org/0000-0001-7452-2379","contributorId":10762,"corporation":false,"usgs":true,"family":"McMahon","given":"P.B.","affiliations":[],"preferred":false,"id":196294,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":23928,"text":"ofr9835 - 1998 - Geochemical baselines and processes affecting surface water Recloud Peak area, Colorado","interactions":[],"lastModifiedDate":"2012-02-02T00:08:13","indexId":"ofr9835","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"98-35","title":"Geochemical baselines and processes affecting surface water Recloud Peak area, Colorado","language":"ENGLISH","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr9835","issn":"0094-9140","usgsCitation":"Miller, W.R., 1998, Geochemical baselines and processes affecting surface water Recloud Peak area, Colorado: U.S. Geological Survey Open-File Report 98-35, 20 p. :maps ;28 cm., https://doi.org/10.3133/ofr9835.","productDescription":"20 p. :maps ;28 cm.","costCenters":[],"links":[{"id":157056,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1998/0035/report-thumb.jpg"},{"id":53137,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1998/0035/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6ae5d2","contributors":{"authors":[{"text":"Miller, W. R.","contributorId":92239,"corporation":false,"usgs":true,"family":"Miller","given":"W.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":190989,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22845,"text":"ofr9868 - 1998 - Ground-water hydrology and simulation of ground-water flow at Operable Unit 3 and surrounding region, U.S. Naval Air Station, Jacksonville, Florida","interactions":[],"lastModifiedDate":"2012-02-02T00:07:57","indexId":"ofr9868","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"98-68","title":"Ground-water hydrology and simulation of ground-water flow at Operable Unit 3 and surrounding region, U.S. Naval Air Station, Jacksonville, Florida","docAbstract":"The Naval Air Station, Jacksonville (herein referred to as the Station), occupies 3,800 acres adjacent to the St. Johns River in Duval County, Florida. Operable Unit 3 (OU3) occupies 134 acres on the eastern side of the Station and has been used for industrial and commercial purposes since World War II. Ground water contaminated by chlorinated organic compounds has been detected in the surficial aquifer at OU3. The U.S. Navy and U.S. Geological Survey (USGS) conducted a cooperative hydrologic study to evaluate the potential for ground water discharge to the neighboring St. Johns River. A ground-water flow model, previously developed for the area, was recalibrated for use in this study. \rAt the Station, the surficial aquifer is exposed at land surface and forms the uppermost permeable unit. The aquifer ranges in thickness from 30 to 100 feet and consists of unconsolidated silty sands interbedded with local beds of clay. The low-permeability clays of the Hawthorn Group form the base of the aquifer. \rThe USGS previously conducted a ground-water investigation at the Station that included the development and calibration of a 1-layer regional ground-water flow model. For this investigation, the regional model was recalibrated using additional data collected after the original calibration. The recalibrated model was then used to establish the boundaries for a smaller subregional model roughly centered on OU3. \rWithin the subregional model, the surficial aquifer is composed of distinct upper and intermediate layers. The upper layer extends from land surface to a depth of approximately 15 feet below sea level; the intermediate layer extends from the upper layer down to the top of the Hawthorn Group. In the northern and central parts of OU3, the upper and intermediate layers are separated by a low-permeability clay layer. Horizontal hydraulic conductivities in the upper layer, determined from aquifer tests, range from 0.19 to 3.8 feet per day. The horizontal hydraulic conductivity in the intermediate layer, determined from one aquifer test, is 20 feet per day. \rAn extensive stormwater drainage system is present at OU3 and the surrounding area. Some of the stormwater drains have been documented to be draining ground water from the upper layer of the surficial aquifer, whereas other drains are only suspected to be draining ground water. \rThe subregional model contained 78 rows and 148 columns of square model cells that were 100 feet on each side. Vertically, the surficial aquifer was divided into two layers; layer 1 represented the upper layer and layer 2 represented the intermediate layer. Steady-state ground-water flow conditions were assumed. The model was calibrated to head data collected on October 29 and 30, 1996. After calibration, the model matched all 67 measured heads to within the calibration criterion of 1 foot; and 48 of 67 simulated heads (72 percent) were within 0.5 foot. \rModel simulated recharge rates ranged from 0.4 inch per year in areas that were largely paved to 13.0 inches per year in irrigated areas. Simulated hydraulic conductivities in the upper layer at OU3 ranged from 0.5 foot per day in the north to 1.0 foot per day in the south. Simulated vertical leakance between the upper and intermediate layers ranged from 1.0x10-6 per day in an area with low-permeability clays to 4.3x10-2 per day in an area that had been dredged. Simulated transmissivities in the intermediate layer ranged from 25 feet squared per day in an area of low-permeability channel-fill deposits to a high of 1,200 feet squared per day in areas covering most of OU3. Simulated riverbed conductances ranged from 4 to 60 feet squared per day and simulated bottom conductances of leaking stormwater drains ranged from 5 to 20 feet squared per day. \rThe direction and velocity of ground-water flow was determined using particle-tracking techniques. Ground-water flow in the upper layer was generally eastward toward the St. Johns River. However, leaking stormwat","language":"ENGLISH","publisher":"U.S. Geological Survey ;\r\nBranch of Information Services [distributor],","doi":"10.3133/ofr9868","issn":"0094-9140","usgsCitation":"Davis, J., 1998, Ground-water hydrology and simulation of ground-water flow at Operable Unit 3 and surrounding region, U.S. Naval Air Station, Jacksonville, Florida: U.S. Geological Survey Open-File Report 98-68, vi, 36 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr9868.","productDescription":"vi, 36 p. :ill., maps ;28 cm.","costCenters":[],"links":[{"id":1308,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/ofr98-068/","linkFileType":{"id":5,"text":"html"}},{"id":155220,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aaae4b07f02db668c2d","contributors":{"authors":[{"text":"Davis, J.H.","contributorId":68770,"corporation":false,"usgs":true,"family":"Davis","given":"J.H.","email":"","affiliations":[],"preferred":false,"id":188985,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":22793,"text":"ofr98172 - 1998 - Ground-water conditions in Georgia, 1997","interactions":[],"lastModifiedDate":"2017-01-05T11:29:54","indexId":"ofr98172","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"98-172","title":"Ground-water conditions in Georgia, 1997","docAbstract":"Ground-water conditions in Georgia during 1997 and for the period of record were evaluated using data from ground-water-level and ground-water-quality monitoring networks. Data for 1997 included in this report are from continuous water-level records from 71 wells and chloride analyses from 14 wells.\r\n\r\nIn 1997, annual mean ground-water levels in Georgia ranged from 6.2 feet (ft) lower to 5.6 ft higher than in 1996. Of the 71 wells summarized in this report, 23 wells had annual mean water levels that were higher, 35 wells had annual mean water levels that were lower, and 11 wells had annual mean water levels that were about the same in 1997 as during 1996. Data for two wells are incomplete because data collection was discontinued at one well, and the equipment was vandalized at one well.\r\n\r\nRecord-low daily mean water levels were recorded in six wells tapping the Upper Floridan aquifer, one well tapping the Caliborne aquifer, two wells tapping the Clayton aquifer, and three wells tapping Cretaceous aquifers. These record lows were from 0.2 to 5.6 ft lower than previous record lows.\r\n\r\nChloride concentration in water from the Upper Floridan aquifer in most of coastal Georgia was within drinking-water standards established by the Georgia Department of Natural Resources and the U.S. Environmental Protection Agency. In the Savannah area, chloride concentration has not changed appreciably with time. However, chloride concentration in water from some wells that tap the Floridan aquifer system in the Brunswick area exceeds the drinking-water standard.\r\n\r\nGround-water-level and ground-water-quality data are essential for water assessment and management. Ground-water-level fluctuations and trends can be used to estimate changes in aquifer storage resulting from the effects of ground-water withdrawal and recharge from precipitation. These data can be used to address water-management needs and to evaluate the effects of management and conservation programs.\r\n\r\nAs part of the ground-water investigations conducted by the U.S. Geological Survey (USGS), in cooperation with the State of Georgia and city and county governments, a Statewide water-level- measurement program was started in 1938. Initially, this program consisted of an observation-well network in the coastal area of Georgia to monitor variations in ground- water storage and quality. Additional wells were later included in areas where data could be used to predict potential water-resource problems.\r\n\r\nDuring 1997, periodic water-level measurements were made in 67 wells, and continuous water-level measurements were obtained from 151 wells. Continuous water-level records were obtained using analog (pen and chart) recorders, digital recorders that record the water level at 30-minute or 60-minute intervals, and electronic data recorders that record the water level at 60-minute intervals. For wells having incomplete water-level record, water levels during periods of missing record may have been higher or lower than recorded water levels. Water samples collected from 23 wells during April and November 1997 were analyzed to determine chloride concentration in the Savannah and Brunswick areas.\r\n","language":"ENGLISH","publisher":"U.S. Geological Survey ;Branch of Information Services [distributor],","doi":"10.3133/ofr98172","issn":"0094-9140","usgsCitation":"Cressler, A.M., 1998, Ground-water conditions in Georgia, 1997: U.S. Geological Survey Open-File Report 98-172, vii, 104 p. :ill., maps ;28 cm., https://doi.org/10.3133/ofr98172.","productDescription":"vii, 104 p. :ill., maps ;28 cm.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":13634,"text":"South Atlantic Water Science 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\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b08e4b07f02db69b97e","contributors":{"authors":[{"text":"Cressler, A. M.","contributorId":22791,"corporation":false,"usgs":true,"family":"Cressler","given":"A.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":188885,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":4860,"text":"ds50 - 1998 - Teaching earth science","interactions":[],"lastModifiedDate":"2018-01-26T11:17:52","indexId":"ds50","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"50","title":"Teaching earth science","docAbstract":"This CD-ROM contains 17 teaching tools: 16 interactive HyperCard 'stacks' and a printable model. They are separated into the following categories: Geologic Processes, Earthquakes and Faulting, and Map Projections and Globes. A 'navigation' stack, Earth Science, is provided as a 'launching' place from which to access all of the other stacks. You can also open the HyperCard Stacks folder and launch any of the 16 stacks yourself. In addition, a 17th tool, Earth and Tectonic Globes, is provided as a printable document. Each of the tools can be copied onto a 1.4-MB floppy disk and distributed freely.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds50","isbn":"0607898941","usgsCitation":"1998, Teaching earth science: U.S. Geological Survey Data Series 50, 1 computer laser optical disc, https://doi.org/10.3133/ds50.","productDescription":"1 computer laser optical disc","costCenters":[],"links":[{"id":139958,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":115723,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/dds/dds-50/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db68633b","contributors":{"editors":[{"text":"Alpha, Tau Rho","contributorId":63371,"corporation":false,"usgs":true,"family":"Alpha","given":"Tau","email":"","middleInitial":"Rho","affiliations":[],"preferred":false,"id":725891,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Diggles, Michael F. 0000-0002-9946-0247 mdiggles@usgs.gov","orcid":"https://orcid.org/0000-0002-9946-0247","contributorId":810,"corporation":false,"usgs":true,"family":"Diggles","given":"Michael","email":"mdiggles@usgs.gov","middleInitial":"F.","affiliations":[{"id":501,"text":"Office of Science Quality and Integrity","active":true,"usgs":true},{"id":5066,"text":"Office of the Director USGS","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":5053,"text":"IPDS Training","active":true,"usgs":true}],"preferred":true,"id":725892,"contributorType":{"id":2,"text":"Editors"},"rank":2}]}} ,{"id":67529,"text":"i2565 - 1998 - Geologic map of the Collegiate Peaks Wilderness Area and the Grizzly Peak Caldera, Sawatch Range, central Colorado","interactions":[],"lastModifiedDate":"2012-02-10T00:11:25","indexId":"i2565","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"2565","subseriesTitle":"NONE","title":"Geologic map of the Collegiate Peaks Wilderness Area and the Grizzly Peak Caldera, Sawatch Range, central Colorado","language":"ENGLISH","doi":"10.3133/i2565","isbn":"0607885521","usgsCitation":"Fridrich, C.J., Witt, D., Bryant, B., Richard, S., and Smith, R., 1998, Geologic map of the Collegiate Peaks Wilderness Area and the Grizzly Peak Caldera, Sawatch Range, central Colorado: U.S. Geological Survey IMAP 2565, 1 map :col. ;82 x 109 cm., on sheet 107 x 138 cm., folded in envelope 30 x 24 cm. +1 pamphlet (29 p. : ill. ; 28 cm.), https://doi.org/10.3133/i2565.","productDescription":"1 map :col. ;82 x 109 cm., on sheet 107 x 138 cm., folded in envelope 30 x 24 cm. +1 pamphlet (29 p. : ill. ; 28 cm.)","costCenters":[],"links":[{"id":108326,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_13051.htm","linkFileType":{"id":5,"text":"html"},"description":"13051"},{"id":101432,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/imap/2565/plate-1.pdf","size":"19320","linkFileType":{"id":1,"text":"pdf"}},{"id":188093,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/imap/2565/report-thumb.jpg"},{"id":91693,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/imap/2565/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"50000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -106.83333333333333,38.65 ], [ -106.83333333333333,39.166666666666664 ], [ -106.20083333333334,39.166666666666664 ], [ -106.20083333333334,38.65 ], [ -106.83333333333333,38.65 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b08e4b07f02db69b933","contributors":{"authors":[{"text":"Fridrich, C. J.","contributorId":15652,"corporation":false,"usgs":true,"family":"Fridrich","given":"C.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":276572,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Witt, De","contributorId":9121,"corporation":false,"usgs":true,"family":"Witt","given":"De","email":"","affiliations":[],"preferred":false,"id":276571,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bryant, Bruce bbryant@usgs.gov","contributorId":1355,"corporation":false,"usgs":true,"family":"Bryant","given":"Bruce","email":"bbryant@usgs.gov","affiliations":[],"preferred":false,"id":276570,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Richard, S.M.","contributorId":20376,"corporation":false,"usgs":true,"family":"Richard","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":276573,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Smith, R.P.","contributorId":105283,"corporation":false,"usgs":true,"family":"Smith","given":"R.P.","email":"","affiliations":[],"preferred":false,"id":276574,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":22344,"text":"ofr97834 - 1998 - Preliminary three-dimensional discrete fracture model of the Topopah Spring Tuff in the Exploratory Studies Facility, Yucca Mountain area, Nye County, Nevada","interactions":[],"lastModifiedDate":"2012-02-02T00:07:51","indexId":"ofr97834","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"97-834","title":"Preliminary three-dimensional discrete fracture model of the Topopah Spring Tuff in the Exploratory Studies Facility, Yucca Mountain area, Nye County, Nevada","language":"ENGLISH","publisher":"U.S. Geological Survey :\r\nInformation Services [distributor],","doi":"10.3133/ofr97834","issn":"0094-9140","usgsCitation":"Anna, L.O., 1998, Preliminary three-dimensional discrete fracture model of the Topopah Spring Tuff in the Exploratory Studies Facility, Yucca Mountain area, Nye County, Nevada: U.S. Geological Survey Open-File Report 97-834, v, 41 p. :ill. ;28 cm., https://doi.org/10.3133/ofr97834.","productDescription":"v, 41 p. :ill. ;28 cm.","costCenters":[],"links":[{"id":153611,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1997/0834/report-thumb.jpg"},{"id":51751,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1997/0834/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aabe4b07f02db66991b","contributors":{"authors":[{"text":"Anna, L. O.","contributorId":65472,"corporation":false,"usgs":true,"family":"Anna","given":"L.","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":188073,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":28938,"text":"wri974276 - 1998 - Geohydrology of the Central Oahu, Hawaii, ground-water flow system and numerical simulation of the effects of additional pumping","interactions":[],"lastModifiedDate":"2023-04-10T21:18:42.997559","indexId":"wri974276","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"97-4276","title":"Geohydrology of the Central Oahu, Hawaii, ground-water flow system and numerical simulation of the effects of additional pumping","docAbstract":"A two-dimensional, finite-difference, ground-water flow model was developed for the central Oahu flow system, which is the largest and most productive ground-water flow system on the island. The model is based on the computer code SHARP which simulates both freshwater and saltwater flow. The ground-water model was developed using average pumping and recharge conditions during the 1950's, which was considered to be a steady-state period. For 1950's conditions, model results indicate that 62 percent (90.1 million gallons per day) of the discharge from the Schofield ground-water area flows southward and the remaining 38 percent (55.2 million gallons per day) of the discharge from Schofield flows northward. Although the contribution of recharge from infiltration of rainfall and irrigation water directly on top of the southern and northern Schofield ground-water dams was included in the model, the distribution of natural discharge from the Schofield ground-water area was estimated exclusive of the recharge on top of the dams.\r\n\r\nThe model was used to investigate the long-term effects of pumping under future land-use conditions. Future recharge was conservatively estimated by assuming no recharge associated with agricultural activities. Future pumpage used in the model was based on the 1995-allocated rates. Model results indicate that the long-term effect of pumping at the 1995-allocated rates will be a reduction of water levels from present (1995) conditions in all ground-water areas of the central Oahu flow system. In the Schofield ground-water area, model results indicate that water levels could decline about 30 feet from the 1995 water-level altitude of about 275 feet. In the remaining ground-water areas of the central Oahu flow system, water levels may decline from less than 1 foot to as much as 12 feet relative to 1995 water levels. Model results indicate that the bottoms of several existing deep wells in northern and southern Oahu extend below the model-calculated freshwater-saltwater interface location for the future recharge and pumping conditions.\r\n\r\nModel results indicate that an additional 10 million gallons per day (beyond the 1995-allocated rates) of freshwater can potentially be developed from northern Oahu. Various distributions of pumping can be used to obtain the additional 10 million gallons per day of water. The quality of the water pumped will be dependent on site-specific factors and cannot be predicted on the basis of model results. If the additional 10 million gallons per day pumpage is restricted to the Kawailoa and Waialua areas, model results indicate that a regional drawdown (relative to the water-level distribution associated with the 1995-allocated pumping rates) of less than 0.6 foot can be maintained in these two areas. The additional pumping, however, would cause salinity increases in water pumped by existing deep wells. In addition, increases in salinity may occur at other wells in areas where the model indicates no significant problem with upconing.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974276","usgsCitation":"Oki, D.S., 1998, Geohydrology of the Central Oahu, Hawaii, ground-water flow system and numerical simulation of the effects of additional pumping: U.S. Geological Survey Water-Resources Investigations Report 97-4276, x, 132 p., https://doi.org/10.3133/wri974276.","productDescription":"x, 132 p.","costCenters":[{"id":525,"text":"Pacific Islands Water Science Center","active":true,"usgs":true}],"links":[{"id":415546,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_48879.htm","linkFileType":{"id":5,"text":"html"}},{"id":57809,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4276/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":124113,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4276/report-thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Oahu","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -158.2167,\n 21.6889\n ],\n [\n -158.2167,\n 21.25\n ],\n [\n -157.7911,\n 21.25\n ],\n [\n -157.7911,\n 21.6889\n ],\n [\n -158.2167,\n 21.6889\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1be4b07f02db6a89c3","contributors":{"authors":[{"text":"Oki, Delwyn S. 0000-0002-6913-8804 dsoki@usgs.gov","orcid":"https://orcid.org/0000-0002-6913-8804","contributorId":1901,"corporation":false,"usgs":true,"family":"Oki","given":"Delwyn","email":"dsoki@usgs.gov","middleInitial":"S.","affiliations":[{"id":525,"text":"Pacific Islands Water Science Center","active":true,"usgs":true}],"preferred":true,"id":200648,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70020802,"text":"70020802 - 1998 - Contrasting behavioral and feeding strategies recorded by tidal-flat bivalve trace fossils from the Upper Carboniferous of eastern Kansas","interactions":[],"lastModifiedDate":"2025-03-11T16:33:53.517248","indexId":"70020802","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3000,"text":"Palaios","active":true,"publicationSubtype":{"id":10}},"title":"Contrasting behavioral and feeding strategies recorded by tidal-flat bivalve trace fossils from the Upper Carboniferous of eastern Kansas","docAbstract":"Upper Carboniferous tidal-flat deposits near Waverly, eastern Kansas (Stull Shale Member, Kanwaka Shale Formation), host abundant and very well-preserved trace fossils attributed to the activity of burrowing bivalves. Thin shell lenses with an abundant bivalve fauna area associated with the ichnofossil-bearing beds and afford an unusual opportunity to relate trace fossils to their makers. Two distinctive life and feeding strategies can be reconstructed on the basis of trace fossil analysis and functional morphology. Lockeria siliquaria hyporeliefs commonly are connected with vertical to inclined, truncated endichnial shafts in the absence of horizontal locomotion traces. These structures record vertical and oblique displacement through the sediment, and suggest relatively stable domiciles rather than temporary resting traces as typically considered. Crowded bedding surfaces displaying cross-cutting relationships between specimens of L. siliquaria and differential preservation at the top (concave versus convex epireliefs) record a complex history of successive events of colonization, erosion, deposition, and recolonization (time-averaged assemblages). Irregujlar contours of some large hypichnia indicate the cast of the foot, while other outlines closely match the anterior area of Wilkingia, its suggested tracemaker. Relatively stable, vertical to inclined life positions and dominanit vertical mobility suggest a filter-feeding strategy. Moreover, the elongate shell and pallial sinus of Wilkingia providfe a strong independent line of evidence for an opisthosiphonate, moderately deep-tier inhabitant. Wilingia may represent a pioneer attempt at siphon-feeding in the late Paleozoic, preceding the outcome of the Mesozoic infaunal radiation. A second strategy is represented by Lockeia ornata and association locomotionm and locomotion/feding structures. Lockeia ornata is commonly connected with chevron locomotion traces that record the bifurcated foot of a protobranch bivalve. Lockeia ornata exhibits distinctive, fine, parallel lines that mimic the ornamentation of Phestia, a nuculanid protobranch bivalve. Rosary and radial structures give evidence of a patterned search for food. Lockeia ornata and associated Protovirgularia record dominant horizontal locomoton and suggest the activity of deposit-feeding bivalves. Morphologic variability of Protovirgularia was controlled by substrate fluidity, which was dependent on sediment heterogeneity and tidal-cycle dynamics. This study demonstrates that detailed analysis of bivalve traces provides valuable information on bivalve ethology and paleoecology, evolutionary innovations, environmental dynamics, and substrate fluidity.","language":"English","publisher":"GeoScienceWorld","doi":"10.2307/3515322","usgsCitation":"Mangano, M., Buatois, L.A., West, R., and Maples, C.G., 1998, Contrasting behavioral and feeding strategies recorded by tidal-flat bivalve trace fossils from the Upper Carboniferous of eastern Kansas: Palaios, v. 13, no. 4, p. 335-351, https://doi.org/10.2307/3515322.","productDescription":"17 p.","startPage":"335","endPage":"351","costCenters":[],"links":[{"id":229915,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Kansas","otherGeospatial":"eastern Kansas","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -97.6413862458381,\n 40.016343063499875\n ],\n [\n -97.6413862458381,\n 36.95795102522135\n ],\n [\n -94.62208436793321,\n 36.95795102522135\n ],\n [\n -94.62208436793321,\n 40.016343063499875\n ],\n [\n -97.6413862458381,\n 40.016343063499875\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"13","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fa77e4b0c8380cd4daf1","contributors":{"authors":[{"text":"Mangano, M. Gabirela","contributorId":208037,"corporation":false,"usgs":false,"family":"Mangano","given":"M. Gabirela","affiliations":[{"id":13248,"text":"University of Saskatchewan","active":true,"usgs":false}],"preferred":false,"id":387582,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Buatois, Luis A. 0000-0001-9523-750X","orcid":"https://orcid.org/0000-0001-9523-750X","contributorId":195823,"corporation":false,"usgs":false,"family":"Buatois","given":"Luis","email":"","middleInitial":"A.","affiliations":[{"id":35641,"text":"Kansas Geological Survey","active":true,"usgs":false}],"preferred":false,"id":387584,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"West, R.R.","contributorId":37491,"corporation":false,"usgs":true,"family":"West","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":387583,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Maples, Christopher G.","contributorId":87396,"corporation":false,"usgs":false,"family":"Maples","given":"Christopher","email":"","middleInitial":"G.","affiliations":[{"id":35641,"text":"Kansas Geological Survey","active":true,"usgs":false}],"preferred":false,"id":387581,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70020669,"text":"70020669 - 1998 - Human influences on trophic cascades along rocky shores","interactions":[],"lastModifiedDate":"2023-12-22T15:15:49.001624","indexId":"70020669","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"Human influences on trophic cascades along rocky shores","docAbstract":"A three-trophic-level interaction among American Black Oystercatchers (Haematopus bachmani), limpets (Lottia spp.), and erect fleshy algae in rocky intertidal communities of central and southern California was documented via manipulative and “natural” experiments. Removal of the territorial limpet (Lottia gigantea) initially caused large increases in the percent cover of erect fleshy algae, followed by a more gradual increase in density of small limpets (Lottia spp.) and a decline in algal cover. Algal cover increased following the removal of small limpets at the sites from which L. gigantea had been removed earlier, thus demonstrating that the large and small limpets had similar inhibitory effects on plant populations. A comparison of sites with and without oystercatchers showed that L. gigantea occupied substrate inclinations in proportion to their availability at sites where oystercatchers were rare, whereas the distribution of L. gigantea was skewed toward vertically inclined substrates where oystercatchers were common. Survival rates of limpets translocated to horizontal and vertical substrates were similar in sites lacking oystercatcher predation, but were much lower on horizontal substrates where oystercatchers were common. Our results are consistent with those from several prior studies in demonstrating that shorelines frequented by humans typically lack oystercatchers. Humans also exploit L. gigantea and reduce populations to low densities of small individuals. These findings may explain why the midlittoral zone of rocky intertidal communities in western North America are so often dominated by high population densities of small limpets.
","language":"English","publisher":"Ecological Society of America","doi":"10.1890/1051-0761(1998)008[0880:HIOTCA]2.0.CO;2","issn":"10510761","usgsCitation":"Lindberg, D.R., Estes, J.A., and Warheit, K.I., 1998, Human influences on trophic cascades along rocky shores: Ecological Applications, v. 8, no. 3, p. 880-890, https://doi.org/10.1890/1051-0761(1998)008[0880:HIOTCA]2.0.CO;2.","productDescription":"11 p.","startPage":"880","endPage":"890","numberOfPages":"11","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":231462,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3280e4b0c8380cd5e85e","contributors":{"authors":[{"text":"Lindberg, D. R.","contributorId":64181,"corporation":false,"usgs":true,"family":"Lindberg","given":"D.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":387071,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Estes, James A. jim_estes@usgs.gov","contributorId":53325,"corporation":false,"usgs":true,"family":"Estes","given":"James","email":"jim_estes@usgs.gov","middleInitial":"A.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true},{"id":6949,"text":"University of California, Santa Cruz","active":true,"usgs":false}],"preferred":false,"id":387070,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Warheit, Kenneth I.","contributorId":202110,"corporation":false,"usgs":false,"family":"Warheit","given":"Kenneth","email":"","middleInitial":"I.","affiliations":[{"id":36349,"text":"Washington Department of Fish and Wildlife, Fish Program, 600 Capitol Way N., Olympia, WA 98501","active":true,"usgs":false}],"preferred":false,"id":387072,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":26485,"text":"wri974026 - 1998 - Wet atmospheric deposition of pesticides in Minnesota, 1989-94","interactions":[],"lastModifiedDate":"2018-03-05T12:18:42","indexId":"wri974026","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"97-4026","title":"Wet atmospheric deposition of pesticides in Minnesota, 1989-94","docAbstract":"All of the rain samples during the growing season had detectable quantities of at least one pesticide, but most of the pesticides were only infrequently observed. The most frequently detected compounds were the herbicides alachlor, atrazine, cyanazine, and metolachlor, and in 1994, its first year of registration, acetochlor. Peak concentrations of most herbicides in rainfall occurred shortly after their application periods in the spring. Peak concentrations of most of the insecticides occurred later in the summer.
\nThe majority of the wet depositional flux of pesticides occurred between early May and October. The annual wet depositional flux of pesticides is 5 orders of magnitude less than is the \"annual flux\" normally applied on an agricultural field, although some of the pesticides in rain are deposited in areas far removed from agricultural fields. The annual variability in pesticide deposition can be explained by year-to-year differences in climate and pesticide use patterns. The one sampling site (Lamberton) that was in an area dominated by row crop agriculture showed a significantly greater annual flux than the other four sampling sites that were in areas of either urbanization or less intensive agricultural. Regional deposition, away from a local source, can be inferred from these four sites because they have annual pesticide fluxes that are very similar for any given year. The observation of agricultural pesticides (not registered for home and garden use) in rain and storm runoff in the urban area indicates their transport from areas of agricultural use. Urban areas may be the best locations for assessing changes in regional use and deposition of agricultural pesticides.
\nThe pesticide fluxes in the streams out of the small three watersheds was compared to the pesticide flux into the watersheds in rain. The data indicate that flux into the watersheds from the rain is generally much greater than the flux from the watersheds in the streams. Therefore, a large fraction of the pesticides deposited in rain is retained within the watersheds. For the urban area, this is on the order of 98 percent for the four most commonly observed herbicides in rain and runoff.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Mounds View, MN","doi":"10.3133/wri974026","collaboration":"Prepared in cooperation with the Minnesota Department of Agriculture","usgsCitation":"Capel, P.D., Lin, M., and Wotzka, P.J., 1998, Wet atmospheric deposition of pesticides in Minnesota, 1989-94: U.S. Geological Survey Water-Resources Investigations Report 97-4026, v, 43 p., https://doi.org/10.3133/wri974026.","productDescription":"v, 43 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science Center","active":true,"usgs":true}],"links":[{"id":124912,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4026/report-thumb.jpg"},{"id":55310,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4026/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United 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The papers in this volume are organized under the topics Environment and Climate, Resources, and Geologic Framework, in order to reflect the objectives and scope of USGS programs that are currently active in Alaska. Environmental studies are the focus of two articles in this volume: One study addresses the relation between glaciers and aquatic habitat on the Kenai River and another study evaluates the geochemistry of water draining chromite deposits in Alaska. Two papers address mineral resources in southwestern Alaska including a geochemical study of the Fortyseven Creek prospect and a geological and geochemical study of the Stuyahok area. Eight geologic framework studies apply a variety of techniques to a wide range of subjects throughout Alaska, including biostratigraphy, geochemistry, geochronology, paleomagnetism, sedimentology, and tectonics.
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]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db6880f7","contributors":{"editors":[{"text":"Gray, John E. jgray@usgs.gov","contributorId":1275,"corporation":false,"usgs":true,"family":"Gray","given":"John","email":"jgray@usgs.gov","middleInitial":"E.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":544573,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Riehle, James R.","contributorId":70048,"corporation":false,"usgs":true,"family":"Riehle","given":"James","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":544574,"contributorType":{"id":2,"text":"Editors"},"rank":2}]}} ,{"id":28716,"text":"wri974288 - 1998 - Streamflow characteristics for the Black Hills of South Dakota, through water year 1993","interactions":[],"lastModifiedDate":"2023-02-23T12:10:14.722184","indexId":"wri974288","displayToPublicDate":"1998-08-01T00:00:00","publicationYear":"1998","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":"97-4288","title":"Streamflow characteristics for the Black Hills of South Dakota, through water year 1993","docAbstract":"This report summarizes streamflow records and describes streamflow characteristics for streams draining the Black Hills of western South Dakota. Monthly and annual streamflow records are tabulated for all available years of record, through water year 1993, for 129 continuous-record gaging stations, including 111 stations for which records of daily flow are available and 18 stations for which only monthly records are available. Various summary statistics and graphics are presented for stations with sufficient periods of record. In addition to streamflow summaries, records of monthend contents are presented for five reservoirs operated by the Bureau of Reclamation in the Black Hills area.\r\n\r\nStreamflow characteristics are described for four categories of hydrogeologic settings, including interior sedimentary basins, interior crystalline basins, interior basins downstream of loss zones (loss-zone basins), and exterior basins. All of the interior basins are located predominantly within the outermost extent of the outcrop of the Inyan Kara Group and the exterior basins are located predominantly beyond this outcrop.\r\n\r\nDistinct differences in variability of annual and monthly streamflow are described for the four categories of hydrogeologic settings. The interior sedimentary basins, which are dominated by springflow from headwater areas, have the smallest variability in both annual and monthly flow, as a group. The exterior basins, as a group, have the largest variability in both annual and monthly flow. Streamflow variability for the interior crystalline basins, which are composed primarily of Precambrian and Tertiary igneous and metamorphic rocks, generally falls midway between the interior sedimentary and exterior basins. Loss-zone stations, which are located downstream of loss zones that occur where streams cross outcrops of the Madison Limestone and other overlying sedimentary units, exhibit the widest range in streamflow variability of any of the categories. Most of the loss-zone basins have springs located upstream of the gaging stations, but downstream of the loss zones. Flow at several of the loss-zone stations is dominated by large and consistent springflow; however, flow at other loss-zone stations is dominated by streamflow losses or by tributary inflows between the loss zones and the gaging stations, which results in extremely variable streamflow characteristics. It is demonstrated that springflow in Battle, Spring, Elk, and Bear Butte Creeks is much more variable than in Cascade Springs, Fall River, Beaver Creek, and Redwater River.\r\n\r\nInterior crystalline basins and exterior basins are shown to be much more responsive to climatic conditions than the springflow-dominated basins. Zero-flow months have been recorded for all of the exterior basins and most of the interior crystalline basins; however, zero-flow months have not been recorded for any of the interior sedimentary basins. Zero-flow months have not been recorded for the loss-zone stations with large, consistent springflow; however, zero-flow months are common for loss-zone stations with smaller, less consistent springs.\r\n\r\nDirect surface runoff is demonstrated to be uncommon for outcrops of the Madison Limestone and Minnelusa Formation. Examination of streamflow records for two basins with large outcrops of these formations indicates that direct surface runoff seldom occurs.\r\n\r\nAnnual streamflow is shown to increase from south to north, which is consistent with climatic patterns for the area. Annual yield generally is larger for all of the interior categories than for the exterior basins; however, this is consistent with larger precipitation and smaller evapotranspiration rates at higher elevations. Annual yields generally are largest for the interior sedimentary basins; however, all of these basins are located in the northern Black Hills. Interior crystalline basins located in the northern Black Hills have annual yields that are comparable with interior sedimen","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/wri974288","usgsCitation":"Miller, L., and Driscoll, D., 1998, Streamflow characteristics for the Black Hills of South Dakota, through water year 1993: U.S. Geological Survey Water-Resources Investigations Report 97-4288, ix, 322 p., https://doi.org/10.3133/wri974288.","productDescription":"ix, 322 p.","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"links":[{"id":57548,"rank":3,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wri/1997/4288/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":2285,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.water.usgs.gov/wri974288/","linkFileType":{"id":5,"text":"html"}},{"id":159477,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wri/1997/4288/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a6fe4b07f02db640cd9","contributors":{"authors":[{"text":"Miller, L.D. 0000-0002-3523-0768","orcid":"https://orcid.org/0000-0002-3523-0768","contributorId":107322,"corporation":false,"usgs":true,"family":"Miller","given":"L.D.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":false,"id":200278,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Driscoll, D.G.","contributorId":27081,"corporation":false,"usgs":true,"family":"Driscoll","given":"D.G.","email":"","affiliations":[],"preferred":false,"id":200277,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70206472,"text":"70206472 - 1998 - On the use of path analysis and related procedures for the investigation of ecological problems","interactions":[],"lastModifiedDate":"2019-11-06T11:36:23","indexId":"70206472","displayToPublicDate":"1998-07-31T11:28:48","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":740,"text":"American Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"On the use of path analysis and related procedures for the investigation of ecological problems","docAbstract":"No abstract available.
","language":"English","publisher":"University of Chicago Press","doi":"10.1086/286156","usgsCitation":"Grace, J.B., and Pugesek, B.H., 1998, On the use of path analysis and related procedures for the investigation of ecological problems: American Naturalist, v. 152, no. 1, p. 151-159, https://doi.org/10.1086/286156.","productDescription":"9 p.","startPage":"151","endPage":"159","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":368969,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"152","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Grace, James B. 0000-0001-6374-4726 gracej@usgs.gov","orcid":"https://orcid.org/0000-0001-6374-4726","contributorId":884,"corporation":false,"usgs":true,"family":"Grace","given":"James","email":"gracej@usgs.gov","middleInitial":"B.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":774759,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pugesek, Bruce H.","contributorId":22668,"corporation":false,"usgs":true,"family":"Pugesek","given":"Bruce","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":774760,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70207248,"text":"70207248 - 1998 - Resource management of forested wetlands: Hurricane impact and recovery mapped by combining Landsat TM and NOAA AVHRR data","interactions":[],"lastModifiedDate":"2019-12-13T11:32:23","indexId":"70207248","displayToPublicDate":"1998-07-31T11:22:01","publicationYear":"1998","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":"Resource management of forested wetlands: Hurricane impact and recovery mapped by combining Landsat TM and NOAA AVHRR data","docAbstract":"A temporal suite of NOAA Advanced Very High Resolution Radiometer (AVHRR) images, transformed into a vegetation biomass indicator, was combined with a single-date classification of Landsat Thematic Mapper (TM) to map the association between forest type and hurricane effects. Hurricane effects to the forested wetland included an abrupt decrease and subsequent increase in biomass. The decrease was associated with hurricane impact and the increase with an abnormal bloom in vegetation in the impacted areas. Impact severity was estimated by differencing the biomass maps before and immediately (3 days) after the hurricane. Recovery magnitude was estimated by differencing the biomass maps from immediately (3 days) after and shortly (1.5 months) after the hurricane. Regions of dominantly hardwoods suffering high to moderate impacts and of dominantly cypress-tupelos suffering low impacts identified in this study corroborated findings of earlier studies. Conversely, areas not reported in previous studies as affected were identified, and these areas showed a reverse relationship, i.e., highly impacted cypresstupelo and low or moderately impacted hardwoods. Additionally, generated proportions of hardwood, cypress-tupelo, and open (mixed) forests per each 1-km pixel (impact and recovery maps) suggest that regions containing higher percentages of cypress-tupelos were more likely to have sustained higher impacts. Visual examination of the impact map revealed a spatial covariation between increased impact magnitudes and river corridors dominated by open forest. This spatial association was corroborated by examining changes in the percentage of open forest per 1-km impact pixel; the percentage of open forest peaked at moderate to high impacts. The distribution of recovery supported the impact spatial distribution; however, the magnitudes of the two indicators of hurricane effects were not always spatially dependent. Converse to univariate statistics describing a11 forested area within the basin, higher recoveries tended to be related to higher percentages of hardwoods. Lower recoveries, on the other hand, tended to be related to forests with nearly equal percentages of hardwoods and cypress-tupelo.
","language":"English","publisher":"ASPRS","usgsCitation":"Ramsey III, E., Chappell, D., Jacobs, D.M., Sapkota, S., and Baldwin, D., 1998, Resource management of forested wetlands: Hurricane impact and recovery mapped by combining Landsat TM and NOAA AVHRR data: Photogrammetric Engineering and Remote Sensing, v. 64, no. 7, p. 733-738.","productDescription":"6 p.","startPage":"733","endPage":"738","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":370245,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":370244,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.asprs.org/pers-archives-of-the-past"}],"country":"United States","state":"Louisiana","otherGeospatial":"Atchafalaya River basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -92.65869140625,\n 29.420460341013133\n ],\n [\n -91.395263671875,\n 29.420460341013133\n ],\n [\n -91.395263671875,\n 30.845647420182598\n ],\n [\n -92.65869140625,\n 30.845647420182598\n ],\n [\n -92.65869140625,\n 29.420460341013133\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"64","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Ramsey III, Elijah 0000-0002-4518-5796","orcid":"https://orcid.org/0000-0002-4518-5796","contributorId":212009,"corporation":false,"usgs":true,"family":"Ramsey III","given":"Elijah","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":777450,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chappell, D.K.","contributorId":26463,"corporation":false,"usgs":true,"family":"Chappell","given":"D.K.","email":"","affiliations":[],"preferred":false,"id":777451,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jacobs, Dennis M.","contributorId":221238,"corporation":false,"usgs":false,"family":"Jacobs","given":"Dennis","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":777452,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sapkota, Sijan sapkotas@usgs.gov","contributorId":2995,"corporation":false,"usgs":true,"family":"Sapkota","given":"Sijan","email":"sapkotas@usgs.gov","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":true,"id":777453,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Baldwin, D.G.","contributorId":24939,"corporation":false,"usgs":true,"family":"Baldwin","given":"D.G.","email":"","affiliations":[],"preferred":false,"id":777454,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70198139,"text":"70198139 - 1998 - Development of an RNase protection assay for rapid detection of genetic variation in the fish rhabdovirus viral haemorrhagic septicaemia virus","interactions":[],"lastModifiedDate":"2018-07-18T10:11:04","indexId":"70198139","displayToPublicDate":"1998-07-17T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Development of an RNase protection assay for rapid detection of genetic variation in the fish rhabdovirus viral haemorrhagic septicaemia virus","docAbstract":"No abstract available.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Methodology in Fish Diseases Research","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Fisheries Research Services","isbn":"9780953283804","usgsCitation":"Snow, M., Kurath, G., Cunningham, C., and Smail, D., 1998, Development of an RNase protection assay for rapid detection of genetic variation in the fish rhabdovirus viral haemorrhagic septicaemia virus, chap. of Methodology in Fish Diseases Research, p. 195-202.","productDescription":"8 p.","startPage":"195","endPage":"202","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":355767,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5b98de96e4b0702d0e8486cf","contributors":{"editors":[{"text":"Barnes, A.C.","contributorId":206400,"corporation":false,"usgs":false,"family":"Barnes","given":"A.C.","email":"","affiliations":[],"preferred":false,"id":740340,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Davidson, G.A.","contributorId":206401,"corporation":false,"usgs":false,"family":"Davidson","given":"G.A.","email":"","affiliations":[],"preferred":false,"id":740341,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Hiney, M.P.","contributorId":206402,"corporation":false,"usgs":false,"family":"Hiney","given":"M.P.","email":"","affiliations":[],"preferred":false,"id":740342,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"McIntosh, D.","contributorId":56889,"corporation":false,"usgs":true,"family":"McIntosh","given":"D.","email":"","affiliations":[],"preferred":false,"id":740343,"contributorType":{"id":2,"text":"Editors"},"rank":4}],"authors":[{"text":"Snow, M.","contributorId":152494,"corporation":false,"usgs":false,"family":"Snow","given":"M.","email":"","affiliations":[],"preferred":false,"id":740203,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kurath, Gael 0000-0003-3294-560X gkurath@usgs.gov","orcid":"https://orcid.org/0000-0003-3294-560X","contributorId":2629,"corporation":false,"usgs":true,"family":"Kurath","given":"Gael","email":"gkurath@usgs.gov","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":740204,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cunningham, C.O.","contributorId":113076,"corporation":false,"usgs":true,"family":"Cunningham","given":"C.O.","email":"","affiliations":[],"preferred":false,"id":740205,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smail, D.M.","contributorId":206399,"corporation":false,"usgs":false,"family":"Smail","given":"D.M.","email":"","affiliations":[],"preferred":false,"id":740339,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70186178,"text":"70186178 - 1998 - Tracing nitrogen sources and cycling in catchments","interactions":[],"lastModifiedDate":"2021-04-05T12:03:30.281884","indexId":"70186178","displayToPublicDate":"1998-07-16T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"16","title":"Tracing nitrogen sources and cycling in catchments","docAbstract":"This chapter focuses on the uses of isotopes to understand water chemistry.I Isotopic compositions generally cannot be interpreted successfully in the absence of other chemical and hydrologic data. The chapter focusses on uses of isotopes in tracing sources and cycling of nitrogen in the water-component of forested catchment, and on dissolved nitrate in shallow waters, nutrient uptake studies in agricultural areas, large-scale tracer experiments, groundwater contamination studies, food-web investigations, and uses of compound-specific stable isotope techniques. Shallow waters moving along a flowpath through a relatively uniform material and reacting with minerals probably do not achieve equilibrium but gradually approach some steady-state composition. The chapter also discusses the use of isotopic techniques to assess impacts of changes in land-management practices and land use on water quality. The analysis of individual molecular components for isotopic composition has much potential as a method for tracing the source, biogeochemistry, and degradation of organic liquids and gases because different materials have characteristic isotope spectrums or biomarkers.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Isotope tracers in catchment hydrology","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Elsevier","doi":"10.1016/B978-0-444-81546-0.50023-9","usgsCitation":"Kendall, C., 1998, Tracing nitrogen sources and cycling in catchments, chap. 16 of Isotope tracers in catchment hydrology, p. 519-576, https://doi.org/10.1016/B978-0-444-81546-0.50023-9.","productDescription":"58 p.","startPage":"519","endPage":"576","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"links":[{"id":338866,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58de1952e4b02ff32c699cc1","contributors":{"authors":[{"text":"Kendall, Carol 0000-0002-0247-3405 ckendall@usgs.gov","orcid":"https://orcid.org/0000-0002-0247-3405","contributorId":1462,"corporation":false,"usgs":true,"family":"Kendall","given":"Carol","email":"ckendall@usgs.gov","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":687772,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70178156,"text":"70178156 - 1998 - Nonindigenous Ants at High Elevations on Mauna Kea, Hawai'i","interactions":[],"lastModifiedDate":"2018-01-04T13:14:03","indexId":"70178156","displayToPublicDate":"1998-07-16T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2990,"text":"Pacific Science","active":true,"publicationSubtype":{"id":10}},"title":"Nonindigenous Ants at High Elevations on Mauna Kea, Hawai'i","docAbstract":"Ant surveys were conducted at high elevations (1680-3140 m) on the western slope of Mauna Kea Volcano on the island of Hawai'i to detennine the extent of ant infestation in those highland communities and particularly to evaluate the potential threat of ants in the highlands to native Hawaiian species. Ants were surveyed at 10 long-tenn sampling sites. Ants were common on Mauna Kea up to 2000 m elevation, but densities quickly dropped off above that. Five species of ants were collected: Linepithema humile (Mayr), Cardiocondyla venustula Wheeler, Pheidole megacephala (Fabricius), Tetramorium bicarinatum (Nylander), and Monomorium pharaonis (Linnaeus). Other than L. humile, these collections on Mauna Kea are the highest recorded locales in the Hawaiian Islands.
","language":"English","publisher":"Pacific Science Association","publisherLocation":"Honolulu, HI","usgsCitation":"Wetterer, J.K., Banko, P.C., Laniawe, L.P., Slotterback, J.W., and Brenner, G.J., 1998, Nonindigenous Ants at High Elevations on Mauna Kea, Hawai'i: Pacific Science, v. 52, no. 3, p. 228-236.","productDescription":"9 p.","startPage":"228","endPage":"236","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":330743,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Mauna Kea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.65567016601562,\n 19.702071807656818\n ],\n [\n -155.65567016601562,\n 19.93591434153325\n ],\n [\n -155.3459930419922,\n 19.93591434153325\n ],\n [\n -155.3459930419922,\n 19.702071807656818\n ],\n [\n -155.65567016601562,\n 19.702071807656818\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"52","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"581d9e2de4b0dee4cc90cbe5","contributors":{"authors":[{"text":"Wetterer, James K.","contributorId":176666,"corporation":false,"usgs":false,"family":"Wetterer","given":"James","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":653051,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Banko, Paul C. 0000-0002-6035-9803 pbanko@usgs.gov","orcid":"https://orcid.org/0000-0002-6035-9803","contributorId":3179,"corporation":false,"usgs":true,"family":"Banko","given":"Paul","email":"pbanko@usgs.gov","middleInitial":"C.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":653052,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Laniawe, Leona P.","contributorId":140190,"corporation":false,"usgs":false,"family":"Laniawe","given":"Leona","email":"","middleInitial":"P.","affiliations":[{"id":13406,"text":"U.S. Fish and Wildlife Service, 300 Ala Moana Blvd., P. 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To aid in the identification of methods suitable for this purpose, the U.S. EPA, the Chemical Manufacturers Association, and the World Wildlife Fund sponsored several workshops, including the present one, which dealt with wildlife species. This workshop was convened with 30 international scientists representing multiple disciplines in March 1997 in Kansas City, Missouri, USA. Participants at the meeting identified methods in terms of their ability to indicate (anti-) estrogenic/androgenic effects, particularly in the context of developmental and reproductive processes. Data derived from structure-activity relationship models and in vitro test systems, although useful in certain contexts, cannot at present replace in vivo tests as the sole basis for screening. A consensus was reached that existing mammalian test methods (e.g., with rats or mice) generally are suitable as screens for assessing potential (anti-) estrogenic/ androgenic effects in mammalian wildlife. However, due to factors such as among-class variation in receptor structure and endocrine function, it is uncertain if these mammalian assays would be of broad utility as screens for other classes of vertebrate wildlife. Existing full and partial life-cycle tests with some avian and fish species could successfully identify chemicals causing endocrine disruption; however, these long-term tests are not suitable for routine screening. However, a number of short-term tests with species from these two classes exist that could serve as effective screening tools for chemicals inducing (anti-) estrogenic/androgenic effects. Existing methods suitable for identifying chemicals with these mechanisms of action in reptiles and amphibians are limited, but in the future, tests with species from these classes may prove highly effective as screens. In the case of invertebrate species, too little is known at present about the biological role of estrogens and androgens in reproduction and development to recommend specific assays.
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\"}}]}","volume":"39","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"582ecff4e4b04d580bd43550","contributors":{"authors":[{"text":"Gardner, Donald E.","contributorId":176671,"corporation":false,"usgs":false,"family":"Gardner","given":"Donald","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":654040,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flynn, Timothy W.","contributorId":176944,"corporation":false,"usgs":false,"family":"Flynn","given":"Timothy","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":654041,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70185200,"text":"70185200 - 1998 - Could Mars be dark and altered?","interactions":[],"lastModifiedDate":"2021-04-06T14:57:17.073061","indexId":"70185200","displayToPublicDate":"1998-07-09T00:00:00","publicationYear":"1998","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Could Mars be dark and altered?","docAbstract":"There is a long known dichotomy in the martian albedo, with an associated, but mostly assumed, mineralogical split as well. The bright red regions are inferred to be weathered, oxidized dust and the dark grey regions unaltered volcanic material. A number of recent analyses suggest this division is unnaturally simplistic and the association of many dark regions with the former presence of water requires a re‐examination of the spectra in light of potential alteration minerals. I present an alternate interpretation of the reflectance spectral characteristics of some dark regions on Mars that includes dark layer silicates. If their presence is confirmed on Mars this will have implications for sequestration of current and past volatile inventories, clues to the extent and type of geochemical weathering, and potential zones where bacterial life forms may have emerged.
","language":"English","publisher":"Wiley","doi":"10.1029/98GL01255","usgsCitation":"Calvin, W.M., 1998, Could Mars be dark and altered?: Geophysical Research Letters, v. 25, no. 10, p. 1597-1600, https://doi.org/10.1029/98GL01255.","productDescription":"4 p.","startPage":"1597","endPage":"1600","costCenters":[],"links":[{"id":337718,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Mars","volume":"25","issue":"10","noUsgsAuthors":false,"publicationDate":"1998-05-15","publicationStatus":"PW","scienceBaseUri":"58cba425e4b0849ce97dc7bc","contributors":{"authors":[{"text":"Calvin, Wendy M. 0000-0002-6097-9586","orcid":"https://orcid.org/0000-0002-6097-9586","contributorId":189159,"corporation":false,"usgs":false,"family":"Calvin","given":"Wendy","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":684714,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}