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1. Apalachicola-Chatahoochee Flint River Basin Ground Water Data [usgs_nawqa_acfriver_groundwater]
Surface- and ground-water quality data were collected in the Apalachicola-Chattahoochee-Flint (ACF) River basin from August 1992 to September 1995 as part of the USGS National Water Quality Assessment ...


2. Application of High-resolution digital topographic data to the detection of incipient sinkhole formation in central Florida [C_FL_Sinkhole]
The topography of central Florida is an excellent example of a continental landscape dominated by a single geomorphic process: karst, an array of landforms formed in response to chemical weathering ...


3. Approximate Eastern Limit of the Gray Limestone Aquifer in Broward County, USGS WRIR 87-4034, figure 36 [USGS_SOFIA_glime_limit_brwd_east_arc]
An investigation of the surficial aquifer system in Broward County, begun in 1981, is part of a regional study of the aquifer system in southeast Florida. Test drilling for lithologic samples, flow ...


4. Approximate Eastern Limit of the Gray Limestone Aquifer in Dade County, USGS WRIR 90-4108, figure 14 [USGS_SOFIA_glime_limit_dade_east_arc]
An aquifer identified by Fish (1988) in Broward County, composed of predominantly gray (in places, greenish-gray or tan) limestone of the lower part and locally the middle part of the Tamiami Formation, ...


5. Approximate Western Limit of the Biscayne Aquifer in Dade County, USGS WRIR 90-4108, figure 16 [USGS_SOFIA_dade_biscayne_limit_west_arc]
The map shows the approxiamte western limit of the Biscayne aquifer in Miami-Dade County. Southeastern Florida is underlain by geologic units of varying permeability from land surface ...


6. Approximate Western and Northern Limit of the Biscayne Aquifer in Broward County, USGS WRIR 87-4034, figure 37 [USGS_SOFIA_brwd_biscayne_limit_west_arc]
The approximate western and northern limits of the Biscayne aquifer are shown in this map. The limit is drawn where the thickness of very highly permeable limestone or calcareous sandstone is estimated ...


7. Aquifer Sensitivity of Wyoming at 1:500,000-Scale [wygisc_sens500]
This data set describes groundwater: aquifer sensitivity rating, results of ground water vulnerability analysis for Wyoming. Raster: 500m cells.


8. Aquifer Sensitivity to Contamination by Nitrate Leaching in Illinois [IGDNR_NO3AQSENS]   CHILD METADATA
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


9. Aquifer Sensitivity to Contamination by Pesticide Leaching in Illinois [IGDNR_PESTAQSENS]   CHILD METADATA
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


10. Aquifer Storage and Recovery (ASR) Coordination [USGS_SOFIA_ASR_coordination]
ABSTRACT: The Comprehensive Everglades Restoration Plan (CERP) relies heavily on Aquifer Storage and Recovery (ASR) technology. The CERP includes approximately 333 ASR wells in South Florida with ...


11. Aquifer Storage and Recovery Data (Lake Okeechobee) [USGS_SOFIA_asr_data_lake_okee]
The objective of this project was to determine geochemically significant water-quality characteristics of possible aquifer storage and recovery (ASR) source and receiving waters north of Lake Okeechobee ...


12. Aquifer-Test Data for Wells H-1, H-2A, H-2B, H-2C, and H-3 at the Waste Isolation Pilot Plant, Southeastern New Mexico [USGS_OFR_2006_1129_WIPP_NM]
The U.S.Geological Survey Open-File Report consists of the results of a series of aquifer tests (shut-in test, flow test, bailing test, slug test, swabbing test and pressure-pulse test)performed ...


13. Aquifers (Polygons) [MassGIS_GISDATA.AQUIFERS_POLY]
MassGIS produced an aquifer datalayer composed of 20 individual panels, generally based on the boundaries of the major drainage basins. Areas of high and medium yield were mapped. These panels, which ...


14. Archive of Digital Boomer Seismic Reflection Data Collected During USGS Field Activity 04SGI01 in the Withlacoochee River of West-Central Florida, March 2004 [USGS_DS_2007_119]
In March of 2004, the U.S. Geological Survey conducted a geophysical survey in the Withlacoochee River of west-central Florida. This report serves as an archive of unprocessed digital boomer seismic ...


15. Arsenic in Ground Water of the Willamette Basin, Oregon [WRIR_98_4205]
The spatial distribution of arsenic concentrations in ground water of the Willamette Basin was assessed by analyzing data from 728 historical and project sites. Concentrations of arsenic ranged from ...


16. Arsenic in Groundwater - Probability of Occurrence [geodata_2240]
Global assessment of the probability of occurrence of excessive Arsenic concentrations


17. Arsenic in ground water of the United States [USGS_ARSENIC_H2O]
[From Arsenic in ground water of the United States, "http://water.usgs.gov/nawqa/trace/arsenic/" Arsenic is a naturally occurring element in the environment. Arsenic in ground water is largely the ...


18. Assessment of the rate of contaminant movement through Antarctic soils using a lithium chloride experiment at Lake Vanda [K150_1993_1994_NZ_4]
A leaching trial was set up at Lake Vanda to determine how rapidly and how far water-soluble materials spilt on the soil surface will move. A series of 1 x 1 m plots and control sites on the north ...


19. Atlantic Coastal Database Directory [Canada_ACZISC_ACZDD]
The Atlantic Coastal Database Directory (ACDD) was initiated by the Atlantic Coastal Zone Information Steering Committee (ACZISC) in 1992. The Atlantic Coastal Information Portal (ACIP), ...


20. Automated Hydrologic Monitoring Data for Disney Wilderness Preserve, Florida [Firesinwetlands_automatedhydrologicmondata]
Daily water level data collected from a subset of 43 automated locations on the Preserve, most within wetland systems.


21. Automated Hydrologic Monitoring Data for Disney Wilderness Preserve, Florida - DWP_Firesinwetlands_automatedhydrologicmondata [DWP_Firesinwetlands_automatedhydrologicmondata]
Daily water level data collected from a subset of 43 automated locations on the Preserve, most within wetland systems.


22. Availability of Organic Carbon for Denitrification of Nitrate in Subsoils and Groundwaters [USDA0511]
The purpose of "Availability of Organic Carbon for Denitrification of Nitrate in Subsoils and Groundwaters" is to determine the amounts of organic carbon and nitrate in subsoils and groundwaters from ...


23. BALANS Hydro1K Basin [BALANS_Hydro1K]
Examination of the existing drainage basin delineation at "Baltic Sea region GIS, maps and statistical database" (digitized after a drainage basin definition done in 1986) in comparison with the Hydro1k ...


24. BALANS Land cover [BALANS_LandCover]
The BALANS land cover dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the ...


25. BALANS Wetlands [BALANS_Wetlands]
The BALANS wetlands dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the product is not homogenous ...


26. Base-Flow Yields of Watersheds in the Berkeley County Area, West Virginia [USGS_DS_2006_216]
Base-flow yields at approximately 50 percent of the annual mean ground-water recharge rate were estimated for watersheds in the Berkeley County area, W.Va. These base-flow yields were determined from ...


27. Behavior and Effects of Radionuclides in Soils and Plants: Land Burial of Radioactive Waste [USDA0575]
The purpose of "Behavior and Effects of Radionuclides in Soils and Plants: Land Burial of Radioactive Waste" is to determine the efficacy of existing and proposed procedures used for burial of radioactive ...


28. Bi-directional reflectance properties of the land surface over Canada derived from MODIS multispectral observations at 1-km spatial resolution. 2000-2004 [Canada_GeoGratis_Bi-dirReflProp]
The MODIS data are an important component of the Climate Change program as they provide high quality measurements of fundamental land surface properties of the Canadian climate system ...


29. Biscayne Bay Coastal Wetlands Geophysical Data [USGS_SOFIA_bbcw_geophysical]
The objectives of this data acquisition project were to complete the downhole geophysical logging including video and flowmeter logging of two core holes (9A and 11A), which are the deepest wells ...


30. Blue Water Footprint of National Production [geodata_2252]
Blue water footprint ? Volume of surface and groundwater consumed as a result of the production of a good or service. Consumption refers to the volume of freshwater used and then evaporated or incorporated ...


31. Physiographic Provinces, aquifer outcrops and Recharge Rates for Tennessee [UTC_TNphysiographic]
This dataset is a coverage of the physiographic provinces, aquifer outcrops and recharge rates for Tennessee. Each polygon is attributed with its associated physiographic region name (Miller, 1974), ...


32. Postulated Fault in the Gray Limestone Aquifer, Collier county, Fl, USGS WRIR 99-4213 figure 15 [USGS_SOFIA_glime_fault_arc]
A northwest-southeast trending fault is suggested in eastern Collier County based on well-control data for the base of the gray limestone aquifer. Displacement could be as large as 60 ft. The northeast ...


33. Potentiometric Surface of the Upper Floridan Aquifer in the Coastal Area of Georgia, September 2000 [USGS_OFR_2005_1030]
The Upper Floridan aquifer is part of the Floridan aquifer system that underlies most of the Coastal Plain of Georgia, southern South Carolina, extreme southeastern Alabama, and all of Florida (Miller, ...


34. Potentiometric Surface of the Upper Floridan Aquifer in the Ichetucknee Springshed and Vicinity, Northern Florida, September 2003 [USGS_OFR_2006_1031]
The Upper Floridan aquifer is a highly permeable unit of carbonate rock extending beneath most of Florida and parts of southern Alabama, Georgia, and South Carolina. The high permeability is due in ...


35. Potentiometric Surface of the Upper Floridan Aquifer in the St. Johns River Water Management District and Vicinity, Florida, May 2007 [USGS_OFR_2007_1371]
This map depicts the potentiometric surface of the Upper Floridan aquifer in the St. Johns River Water Management District and vicinity for May 2007. Potentiometric contours are based on water-level ...


36. Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, May 2006 [USGS_OFR_2007_1032]
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida ...


37. Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, September 2007 [USGS_OFR_2008_1105]
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida ...


38. Potentiometric surface contours for the Inyan Kara aquifer, Black Hills, South Dakota [USGS_ofr00471_inkrpcon]
This data set was created as part of the Black Hills Hydrology Study (BHHS). The BHHS is a long-term investigation that was initiated in 1990 as a cooperative effort between the U.S. Geological Survey ...


39. Potentiometric surface contours for the Madison aquifer, Black Hills, South Dakota [USGS_ofr00471_mdsnpcon]
This data set was created as part of the Black Hills Hydrology Study (BHHS). The BHHS is a long-term investigation that was initiated in 1990 as a cooperative effort between the U.S. Geological Survey ...


40. Potentiometric surface contours for the Minnelusa aquifer, Black Hills, South Dakota [USGS_ofr00471_mnlspcon]
This data set was created as part of the Black Hills Hydrology Study (BHHS). The BHHS is a long-term investigation that was initiated in 1990 as a cooperative effort between the U.S. Geological Survey ...


41. Predicting contaminant impacts at Lake Vanda, Antarctica [K094_1995_1997_NZ_1]
Samples of water, phytoplankton, sediment, soil and bacterial mat were sampled from Lake Vanda and the old Vanda station site, in order to determine the fate of trace metal contaminants and their ...


42. Preliminary Geophysical Framework of the Upper and Middle Verde River Watershed, Yavapai County, Arizona [USGS_OFR_2005_1154]
Analysis of aeromagnetic and gravity data provides new insights into the geometry of geologic structures of the upper and middle Verde River watershed, Yavapai County, Arizona. Magnetic anomalies ...


43. Preliminary maps of Quaternary deposits and liquefaction susceptibility, nine-county San Francisco Bay region, California: a digital database, USGS OFR 00-444 [USGS_OFR_00444]
Map delineation of the different types and ages of Quaternary deposits supports evaluation of susceptibility to liquefaction, the immediate application of the work, but serves many other purposes ...


44. Principal Aquifers of the 48 Conterminous United States [USGS_aquifers_us]
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed ...


45. Principal aquifers of Puerto Rico and the U.S. Virgin Islands [USGS_aquifers_pr]
For publications, at a scale of 1:500,000 or smaller. Because of the small scale, the primary use is for regional and national data display rather than specific local data analysis. This is polygon ...


46. Proposed Wellhead Protection Areas [USDA0248]
This GIS data layer contains information about wellhead protection areas (WHPA's) for proposed public community water supplies. These are sites which have been given test drilling approval by the ...


47. Protected Ground water Maps of Poland [WARd0008_108]
Distribution of protected areas and quality of water in Poland. Digitized from the map of main underground water reservoirs by the Institute of Geodesy and Cartography in Warsaw.


48. Quicklook Swath Browser from Canada Centre for Remote Sensing [Canada_CCRS_QuickSwathBrowser]
The Quicklook Swath Browser is designed to view and download Quicklook remote sensing imagery in a swath-based format. It supports imagery from Radarsat 1, Landsat 7 and the NOAA/AVHRR series of satellites. ...


49. LBA-ECO LC-04 Macrohydrological Routing Data for the Amazon and Tocantins River Basin [LC04_MACROHYDROLOGY_1048_1]
This data set provides continental-scale hydrological river flow routing parameter data for the Amazon and Tocantins River basins at 5 minute (~9 km) resolution (Costa et al., 2002). The data set ...


50. NASA Energy and Water cycle Study (NEWS) Annual Climatology of the 1st decade of the 21st Century V1.0 (NEWS_WEB_ACLIM) at GES DISC [NEWS_WEB_ACLIM_1.0]
NASA Energy and Water cycle Study (NEWS) Climatology of the 1st decade of the 21st Century Dataset summarizes the original observationally-based mean fluxes of water and energy budget components during ...


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