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","language":"English","publisher":"American Chemical Society","doi":"10.1021/es960387z","usgsCitation":"Shiller, A.M., and Taylor, H.E., 1996, Comment on \"Problems associated with using filtration to define dissolved trace element concentrations in natural water samples\": Environmental Science & Technology, v. 30, no. 11, p. 3397-3398, https://doi.org/10.1021/es960387z.","productDescription":"2 p. 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1996 - Ground-truth studies of west coast and Gulf of Mexico submarine fans","interactions":[],"lastModifiedDate":"2014-10-22T15:22:32","indexId":"70129442","displayToPublicDate":"1996-10-22T15:21:00","publicationYear":"1996","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Ground-truth studies of west coast and Gulf of Mexico submarine fans","docAbstract":"No abstract available.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Geology of the United States' seafloor: the view from GLORIA","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","publisher":"Cambridge University Press","usgsCitation":"Lee, H., Kayen, R., Edwards, B.D., Field, M.E., Gardner, J., Schwab, W.C., and Twichell, D.C., 1996, Ground-truth studies of west coast and Gulf of Mexico submarine fans, chap. of Geology of the United States' seafloor: the view from GLORIA, p. 221-234.","productDescription":"14 p.","startPage":"221","endPage":"234","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":295613,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5448c71be4b0f888a81b87a9","contributors":{"authors":[{"text":"Lee, Homa J. hjlee@usgs.gov","contributorId":1021,"corporation":false,"usgs":true,"family":"Lee","given":"Homa J.","email":"hjlee@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":503725,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kayen, Robert E. rkayen@usgs.gov","contributorId":2787,"corporation":false,"usgs":true,"family":"Kayen","given":"Robert E.","email":"rkayen@usgs.gov","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":503727,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Edwards, Brian D. bedwards@usgs.gov","contributorId":3161,"corporation":false,"usgs":true,"family":"Edwards","given":"Brian","email":"bedwards@usgs.gov","middleInitial":"D.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":503728,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Field, Michael E. mfield@usgs.gov","contributorId":2101,"corporation":false,"usgs":true,"family":"Field","given":"Michael","email":"mfield@usgs.gov","middleInitial":"E.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":503726,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Gardner, James V.","contributorId":61769,"corporation":false,"usgs":true,"family":"Gardner","given":"James V.","affiliations":[],"preferred":false,"id":503729,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Schwab, William C. 0000-0001-9274-5154 bschwab@usgs.gov","orcid":"https://orcid.org/0000-0001-9274-5154","contributorId":417,"corporation":false,"usgs":true,"family":"Schwab","given":"William","email":"bschwab@usgs.gov","middleInitial":"C.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":503724,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Twichell, David C.","contributorId":87481,"corporation":false,"usgs":true,"family":"Twichell","given":"David","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":503730,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70129437,"text":"70129437 - 1996 - Integration of orthophotographic and sidescan sonar imagery: an example from Lake Garda, Italy","interactions":[],"lastModifiedDate":"2017-09-06T12:06:23","indexId":"70129437","displayToPublicDate":"1996-10-22T14:26:00","publicationYear":"1996","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Integration of orthophotographic and sidescan sonar imagery: an example from Lake Garda, Italy","docAbstract":"Digital orthophotos of Lake Garda basin area are available at the scale of up to 1:10,000 from a 1994 high altitude (average scale of 1:75,000) air photo coverage of Italy collected with an RC30 camera and Panatomic film. 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Data were compiled into a digital image with a pixel resolution of about 2m and stored as 12 gigabytes in exabyte 8mm tape and converted from WGS84 coordinate system to the European Datum (ED50) and integrated with bathymetric data digitized from maps.The digital bathymetric model was generated by interpolation using commercial software and was merged with the land elevation model to obtain a digital elevation model of the Lake Garda basin.The sidescan image data was also projected in the same coordinate system and seamed with the digital orthophoto of the land to produce a continuous image of the basin as if the water were removed. Some perspective scenes were generated by combining elevation and bathymetric data with basin and lake floor images. In deep water the lake's thermal structure created problems with the imagery indicating that winter or spring is best survey period. In shallow waters, ≤ 10 m, where data are missing, the bottom data gap can be filled with available images from the first few channels of the Daedalus built MIVIS, a 102 channel hyperspectral scanner with 20 channel bands of 0.020 μm width, operating in the visible part of the spectrum. By integrating orthophotos with sidescan imagery we can see how the basin morphology extends across the lake, the paths taken by the lake inlet along the lake bed and the areal distribution of sediments. An extensive exposure of debris aprons were noted on the western side of the lake. Various anthropogenic objects were recognized: pipelines, sites of waste disposal on the lake's bed, and relicts of Venitian and Austrian(?) boats.
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These reflections may have produced an increase in amplitude that is as much as 10 times greater than that of the direct arrival. Peak amplitude-distance patterns measured from explosive sources, synthetic seismograms, aftershocks, and the mainshock of the 1989 Loma Prieta earthquake indicate that (1) point sources, such as explosions, produce similar peak amplitude-distance relations as distributed, double-couple sources when the crustal structure is approximately a Poisson solid; (2) peak amplitudes from smaller point sources (explosions) may be scaled to those of larger sources (earthquakes); and (3) reflections caused a pattern of high amplitudes at specific distances along the San Francisco Peninsula that geographically correlates with areas of reported damage following from the Loma Prieta mainshock. 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}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"573457c7e4b0dae0d5ddd3a6","contributors":{"authors":[{"text":"Kroening, S. 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One element of the restoration effort is the development of a firm scientific basis for resource decision making. The U.S. Geological Survey (USGS), one of the agencies, provides scientific information as part of the South Florida Ecosystem Restoration Program. The USGS began their own program, called the South Florida Ecosystem Program, in fiscal year 1995 for the purpose of gathering hydrologic, cartographic, and geologic data that relate to the mainland of south Florida, Florida Bay, and the Florida Keys and Reef ecosystems.
Management of the south Florida ecosystem involves the use of hydrologic models that simulate the flow of water through the region. As sheetflow is reestablished by flow management in the wetlands of the Everglades, it is expected that changes will also be reflected in the amount of freshwater exiting the mainland through the principal streams or as sheetflow into Florida Bay. Several agencies, including the USGS and the U.S. Army Corps of Engineers (COE), are planning to use hydrologic models to simulate and predict the flows into Florida Bay and the circulation patterns within the bay itself. These models can then be used to determine the effects that management of the inland water system will have on the amount of freshwater the bay receives from the mainland. This project will provide modelers with essential flow and specific conductance data along the mangrove zone where data have not been previously available.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs13096","usgsCitation":"Patino, E., 1996, South Florida Ecosystem Program; gaging flows in northeastern Florida Bay: U.S. Geological Survey Fact Sheet 130-96, 2 p., https://doi.org/10.3133/fs13096.","productDescription":"2 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":122195,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/1996/0130/report-thumb.jpg"},{"id":34123,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/1996/0130/report.pdf","text":"Report","size":"1.04 MB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 1996-130"}],"country":"United States","state":"Florida","otherGeospatial":"northeastern Florida Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -81.05438232421874,\n 24.804188177830667\n ],\n [\n -80.39794921875,\n 24.804188177830667\n ],\n [\n -80.39794921875,\n 25.309269760067775\n ],\n [\n -81.05438232421874,\n 25.309269760067775\n ],\n [\n -81.05438232421874,\n 24.804188177830667\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
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Water samples collected in 1995 from 57 monitoring wells (48 shallow and 9 deep) in the fluvial aquifers of the White River Basin were analyzed for radon. Radon concentrations in the shallow wells ranged from 140 to 1,600 pCi/L (picocuries per liter); the median concentration was 420 pCi/L. In comparison, analyses of the samples from the nine deep wells indicate that radon concentrations decrease with depth within the fluvial aquifers; the median concentration was 210 pCi/L. No areal trends in radon concentrations are evident in the water of the shallow fluvial aquifers of the basin.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs12496","usgsCitation":"Fenelon, J.M., and Moore, R.C., 1996, Radon in the fluvial aquifers of the White River Basin, Indiana, 1995: U.S. Geological Survey Fact Sheet 1996–0124, Document: 2 p., https://doi.org/10.3133/fs12496.","productDescription":"Document: 2 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":346,"text":"Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":31978,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/1996/0124/fs19960124.pdf","text":"Report","size":"159 KB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 1996-0124"},{"id":118376,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/1996/0124/coverthb.jpg"}],"country":"United States","state":"Indiana","otherGeospatial":"White River Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n 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U.S. Geological Survey
5957 Lakeside Blvd.
Indianapolis, IN 46278
Water samples collected in 1994 and 1995 from 100 monitoring wells (91 shallow and 9 deep) screened in shallow unconsolidated aquifers in the White River Basin were analyzed for 58 volatile organic compounds (VOC’s). Twelve different VOC’s were detected. Chloroform was the most commonly detected VOC (found in 12 wells), whereas the highest measured VOC concentration was 39 micrograms per liter of 1,1-dichloroethane. No VOC had a measured concentration in ground water that exceeded a U.S. Environmental Protection Agency national drinking-water standard or guideline. Slightly more than fifty percent of the shallow wells in urban settings, as compared to six percent of the shallow wells in agricultural settings, had at least one VOC detected.
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U.S. Geological Survey
5957 Lakeside Blvd.
Indianapolis, IN 46278
Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314
A numerical model was developed to simulate ground-water flow in the Tri-County region, which consists of Clinton, Eaton, and Ingham Counties, Michigan. This region includes a nine-township area surrounding Lansing, Michigan. The model simulates the regional response of the Saginaw aquifer to major groundwater withdrawals associated with public-supply wells. The Saginaw aquifer, which is in the Grand River and Saginaw Formations of Pennsylvanian age, is the primary source of ground water for Tri-County residents. The Saginaw aquifer is overlain by glacial deposits, which also are important ground-water sources in some locations.
Flow in the Saginaw aquifer and the glacial deposits is simulated by discretizing the flow system into model cells arranged in two layers. Each cell, which corresponds to a land area of 0.0625 square mile, represents the locally averaged properties of the system. The spatial variation of hydraulic properties controlling ground-water flow was estimated by geostatistical analysis of 4,947 well logs. Parameter estimation, a form of nonlinear regression, was used to calibrate the flow model.
Results of steady-state ground-water-flow simulations show close agreement between water flowing into and out of the model area for 1992 pumping conditions; standard error of the difference between simulated and measured heads is 14.7 feet. Simulation results for three alternative pumping scenarios for the year 2020 show that the glacial aquifer could be dewatered in places if hypothetical increases in pumping are not distributed throughout the Tri-County region.
Contributing areas to public-supply wells in the nine-township area were delineated by a particle-tracking analysis. These areas cover about 121 square miles. Contributing areas for particles having travel times of 40 years or less cover about 42 square miles. Results of tritium sampling support results of model simulations to delineate contributing areas.
","language":"English","publisher":"U.S. Government Printing Office","publisherLocation":"Washington, D.C.","doi":"10.3133/wsp2480","collaboration":"Prepared in cooperation with the Tri-County Regional Planning Commission","usgsCitation":"Holtschlag, D.J., Luukkonen, C.L., and Nicholas, J., 1996, Simulation of ground-water flow in the Saginaw Aquifer, Clinton, Eaton, and Ingham counties, Michigan: U.S. Geological Survey Water Supply Paper 2480, v, 49 p., https://doi.org/10.3133/wsp2480.","productDescription":"v, 49 p.","costCenters":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"links":[{"id":27204,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wsp/2480/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":138552,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wsp/2480/report-thumb.jpg"}],"country":"United States","state":"Michigan","county":"Clinton County, Eaton County, Ingham County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-84.3681,43.1172],[-84.3675,42.9561],[-84.3679,42.9439],[-84.3666,42.861],[-84.3668,42.8561],[-84.3649,42.7746],[-84.1593,42.7779],[-84.1519,42.685],[-84.146,42.5999],[-84.1402,42.4239],[-84.2539,42.4236],[-84.2607,42.4242],[-84.3676,42.4242],[-84.3677,42.4224],[-84.4864,42.4215],[-84.6026,42.4215],[-84.7207,42.4209],[-84.83,42.421],[-84.8375,42.4215],[-84.9561,42.4221],[-85.0667,42.4215],[-85.0736,42.4211],[-85.0738,42.5956],[-85.0745,42.7707],[-84.9577,42.7712],[-84.8391,42.7706],[-84.8376,42.857],[-84.8393,42.9434],[-84.8382,43.1199],[-84.6022,43.1185],[-84.3681,43.1172]]]},\"properties\":{\"name\":\"Clinton\",\"state\":\"MI\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f8e4b07f02db5f25ca","contributors":{"authors":[{"text":"Holtschlag, David J. 0000-0001-5185-4928 dholtschlag@usgs.gov","orcid":"https://orcid.org/0000-0001-5185-4928","contributorId":5447,"corporation":false,"usgs":true,"family":"Holtschlag","given":"David","email":"dholtschlag@usgs.gov","middleInitial":"J.","affiliations":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"preferred":true,"id":144346,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Luukkonen, Carol L. clluukko@usgs.gov","contributorId":3489,"corporation":false,"usgs":true,"family":"Luukkonen","given":"Carol","email":"clluukko@usgs.gov","middleInitial":"L.","affiliations":[{"id":382,"text":"Michigan Water Science Center","active":true,"usgs":true}],"preferred":true,"id":144345,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nicholas, J.R.","contributorId":26673,"corporation":false,"usgs":true,"family":"Nicholas","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":144347,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5230,"text":"fs09596 - 1996 - Few volatile organic compounds detected in rivers and ground water in the Upper Mississippi River Basin, Minnesota and Wisconsin","interactions":[],"lastModifiedDate":"2018-03-05T10:28:26","indexId":"fs09596","displayToPublicDate":"1996-10-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"095-96","title":"Few volatile organic compounds detected in rivers and ground water in the Upper Mississippi River Basin, Minnesota and Wisconsin","docAbstract":"VOC’s are carbon-containing chemicals that readily evaporate at normal air temperature and pressure. They are contained in many commercial products such as gasoline, paints, adhesives, solvents, wood preservatives, dry-cleaning agents, pesticides, cosmetics, correction fluid, and refrigerants. Approximately 15 million pounds of VOC’s were released to the atmosphere in the focused study area (fig. 1) in 1992 by facilities registered with the U.S. Environmental Protection Agency. Millions of additional pounds of VOC’s are emitted to the atmosphere and to land and water by smaller unregistered users of these compounds in the focused study area.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Mounds View, MN","doi":"10.3133/fs09596","usgsCitation":"Andrews, W.J., 1996, Few volatile organic compounds detected in rivers and ground water in the Upper Mississippi River Basin, Minnesota and Wisconsin (2nd Edition): U.S. Geological Survey Fact Sheet 095-96, 2 p., https://doi.org/10.3133/fs09596.","productDescription":"2 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":392,"text":"Minnesota Water Science 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Edition","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fce4b07f02db5f5bdd","contributors":{"authors":[{"text":"Andrews, William J. 0000-0003-4780-8835 wandrews@usgs.gov","orcid":"https://orcid.org/0000-0003-4780-8835","contributorId":328,"corporation":false,"usgs":true,"family":"Andrews","given":"William","email":"wandrews@usgs.gov","middleInitial":"J.","affiliations":[{"id":516,"text":"Oklahoma Water Science Center","active":true,"usgs":true}],"preferred":true,"id":150658,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":6770,"text":"fs13196 - 1996 - Ground-Water Discharge to Biscayne Bay","interactions":[],"lastModifiedDate":"2025-04-25T15:00:29.171993","indexId":"fs13196","displayToPublicDate":"1996-10-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"131-96","displayTitle":"Ground-Water Discharge to Biscayne Bay","title":"Ground-Water Discharge to Biscayne Bay","docAbstract":"The South Florida Ecosystem Restoration Program is an intergovernmental effort, involving a number of agencies, to reestablish and maintain the ecosystem of south Florida. One element of the restoration effort is the development of a firm scientific basis for resource decision making. The U.S. Geological Survey (USGS), one of the agencies, provides scientific information as part of the South Florida Ecosystem Restoration Program. The USGS began their own program, called the South Florida Ecosystem Program, in fiscal year 1995 for the purpose of gathering hydrologic, cartographic, and geologic data that relate to the mainland of south Florida, Florida Bay, and the Florida Keys and Reef ecosystems.
Over the years, the construction of canals and levees has altered the natural hydrologic conditions of the Everglades. The canals and levees were constructed to convey water, prevent flooding, and store water in conservation areas for future use. The U.S. Army Corps of Engineers (COE) in Jacksonville, Fla., is planning to construct gated spillways and culverts to allow for the restoration of natural sheetflow conditions to Everglades National Park (ENP). These proposed changes may further affect the hydrologic conditions of ENP and other parts of the ecosystem, thus leading to the following questions:
Federal, State, and local agencies need to know the effect that changes in the operation of gates and control structures in canals will have on the water-budget components of the natural water systems in south Florida, including ground-water flow to Biscayne Bay.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/fs13196","usgsCitation":"South Florida Ecosystem Program; ground-water discharges to Biscayne Bay; 1996; FS; 131-96; Quinones-Aponte, Vicente","productDescription":"HTML Document","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":117295,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/fs_131_96.jpg"},{"id":793,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/1996/0131/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -80.69995508465435,\n 26.6587729618319\n ],\n [\n -80.69995508465435,\n 25.145410427425105\n ],\n [\n -79.85441995142408,\n 25.145410427425105\n ],\n [\n -79.85441995142408,\n 26.6587729618319\n ],\n [\n -80.69995508465435,\n 26.6587729618319\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314
The South Florida Ecosystem Restoration Program is an intergovernmental effort, involving a number of agencies, to reestablish and maintain the ecosystem of south Florida. One element of the restoration effort is the development of a firm scientific basis for resource decision making. The U.S. Geological Survey (USGS), one of the agencies, provides scientific information as part of the South Florida Ecosystem Restoration Program. The USGS began their own program, called the South Florida Ecosystem Program, in fiscal year 1995 for the purpose of gathering hydrologic, cartographic, and geologic data that relate to the mainland of south Florida, Florida Bay, and the Florida Keys and Reef ecosystems.
The USGS, in collaboration with the U.S. Army Corps of Engineers (COE), is conducting a study to evaluate methods for quantifying seepage losses (outflows) from the Everglades to the subsurface sediments (aquifers) in the ecosystem. This study is being done to determine the seepage under Levee 30 in northern Dade County.
","language":"English","publisher":"U.S. Geological Survey,","publisherLocation":"Reston, VA","doi":"10.3133/fs13296","usgsCitation":"Sonenshein, R.S., 1996, South Florida Ecosystem Program; seepage beneath Levee 30 in northern Dade County: U.S. Geological Survey Fact Sheet 1996–132, https://doi.org/10.3133/fs13296.","productDescription":"HTML Document","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":118254,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/1996/0132/coverthb.jpg"},{"id":883,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/1996/0132/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -81.00193191795127,\n 26.79748133327763\n ],\n [\n -81.00193191795127,\n 25.410669757308767\n ],\n [\n -80.12188514662962,\n 25.410669757308767\n ],\n [\n -80.12188514662962,\n 26.79748133327763\n ],\n [\n -81.00193191795127,\n 26.79748133327763\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314
Biological control, as used in terrestrial systems, may hold promise for use against exotic marine species. We first review some marine pests, displaying their diversity, the damage they cause, and possible controls. We then contrast approaches for marine and terrestrial pest control, providing guidelines for adapting terrestrial controls to the marine environment. Although several of the same principles apply in terrestrial and marine environments, marine systems differ with respect to the types of control agents available, the degree of pest—population reduction needed for effective control, the spatial scale over which biological control must operate effectively, the practicality of implementation, and the nature and degree of concern over safety. As an example, we propose a strategy for developing a biological control program against the European green crab, Carcinus maenas, which has had substantial negative impacts where previously introduced (New England, Atlantic Canada, South Africa, south Australia) and which has recently been introduced to central California, and to Tasmania. We conclude that biological control may be possible for some marine pests, but that existing strategies and expectations will require modification.
","language":"English","publisher":"Ecological Society of America","doi":"10.2307/2265695","usgsCitation":"Lafferty, K.D., and Kuris, A.M., 1996, Biological control of marine pests: Ecology, v. 77, no. 7, p. 1989-2000, https://doi.org/10.2307/2265695.","productDescription":"12 p.","startPage":"1989","endPage":"2000","numberOfPages":"12","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":129960,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"7","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a5ee4b07f02db633d41","contributors":{"authors":[{"text":"Lafferty, Kevin D. 0000-0001-7583-4593 klafferty@usgs.gov","orcid":"https://orcid.org/0000-0001-7583-4593","contributorId":1415,"corporation":false,"usgs":true,"family":"Lafferty","given":"Kevin","email":"klafferty@usgs.gov","middleInitial":"D.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":316490,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kuris, Armand M.","contributorId":54332,"corporation":false,"usgs":true,"family":"Kuris","given":"Armand","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":316491,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5442,"text":"fs14796 - 1996 - Vegetation affects water movement in the Florida Everglades","interactions":[],"lastModifiedDate":"2021-12-02T16:24:23.625991","indexId":"fs14796","displayToPublicDate":"1996-10-01T00:00:00","publicationYear":"1996","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"147-96","displayTitle":"Vegetation Affects Water Movement in the Florida Everglades","title":"Vegetation affects water movement in the Florida Everglades","docAbstract":"The Florida Everglades is a vast, diverse wetland ecosystem characterized by small ground-surface slopes, slowly moving surface waters, and dense aquatic vegetation. Both submersed and emergent vegetation are found in sawgrass and cattail marshes, wet prairies, and sloughs. The south Florida ecosystem has been greatly altered during the last 100 years. A complex water-management system that includes levees, canals, pumps, and water-control structures now regulates flooding and provides a steady supply of fresh water to urban areas and agriculture. Drainage projects have diverted much of the water that originally flowed slowly southward from Lake Okeechobee through the Everglades. Restoration and management of the Everglades ecosystem requires understanding and manipulating the amount and timing of water flows throughout the ecosystem.
The spatial and temporal distribution of water and water-borne contaminants in the Everglades must be understood if degradation of the ecosystem is to be halted and reversed. To understand how water moves through the Everglades, it is necessary to quantify the forces affecting the flow. The resistance exerted on the flow by the vegetation through which the water moves is one of the dominant but least understood forces affecting Everglades surface-water flows.
The aquatic vegetation of the Everglades affects both the depth of water and the rate at which it moves. The presence of living and dead plant material in the water column creates drag forces on the moving water. Water flows most slowly and the water-surface slope is largest in areas where vegetation is most dense.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs14796","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1996, Vegetation affects water movement in the Florida Everglades: U.S. Geological Survey Fact Sheet 147-96, 2 p., https://doi.org/10.3133/fs14796.","productDescription":"2 p.","costCenters":[{"id":27821,"text":"Caribbean-Florida Water Science Center","active":true,"usgs":true}],"links":[{"id":32060,"rank":299,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/1996/0147/report.pdf","text":"Report","size":"1.14 MB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 147-96"},{"id":123078,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/1996/0147/report-thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Everglades","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -81.8206787109375,\n 25.045792240303445\n ],\n [\n -80.2880859375,\n 25.045792240303445\n ],\n [\n -80.2880859375,\n 26.504988828743404\n ],\n [\n -81.8206787109375,\n 26.504988828743404\n ],\n [\n -81.8206787109375,\n 25.045792240303445\n ]\n ]\n ]\n }\n }\n ]\n}","contact":"Caribbean-Florida Water Science Center
U.S. Geological Survey
3321 College Avenue
Davie, FL 33314