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129 Titles Match Your Query
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1. A Study of Forest Influences on Streamflow in the Ridge and Valley Province of Pennsylvania, USDA/FS [USDA_FS80]
This is part of a cooperative research program evaluating "best management practices", atmospheric deposition impacts on water quality, hydrologic response, nutrient cycling, and water yields from ...


2. Acidic Surface Waters of the Conterminous United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [A_Water_EPA]
This coverage contains information about estimates of current acid-base status of surface waters in National Surface Water Survey regions in the conterminous U.S., as reported in the National Acid ...


3. Analysis of Factors Affecting Historical Dissolved Oxygen Trends in Western Long Island Sound [LISES_HistDOtrends]
The purpose of this dataset is to assess the historical decline in dissolved oxygen concentrations in the bottom region of the Western Long Island Sound. The primary factors ...


4. Analysis of Historic Water Quality Data [USGS_SOFIA_analysis_hist_wq]
The Big Cypress National Preserve (BICY), the Everglades National Park (EVER), and Loxahatchee National Wildlife Refuge (LOX) are water-dominated ecosystems that are susceptible to water-quality impacts. ...


5. Aquatic Cycling of Mercury in the Everglades Project Database [USGS_SOFIA_ACME_DB]
Between 1995 and 2008, the Aquatic Mercury Cycling in the Everglades (ACME) project examined in detail the biogeochemical parameters that influence methylmercury (MeHg) production in the Florida Everglades. ...


6. 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 ...


7. Assessment of Nitrogen Loading in the Upper Connecticut River Basin, New Hampshire, Vermont, and Massachusetts [USGS_CT_NLOAD]
The primary pollutant contributing to hypoxia in Long Island Sound (LIS) is nitrogen. The U.S. Geological Survey (USGS), in cooperation with the New England Interstate Water Pollution Control Commission ...


8. Atlantic Salmon Watersheds [gomc_359]
Welcome to PEARL's focus on the Atlantic Salmon Watersheds. These pages are being designed to provide direct access to key data sets and information summaries for the salmon watersheds. Completion ...


9. 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 ...


10. Bacterioplankton dynamics in Antarctic lakes [ASAC_2154]
---- Public Summary from Project ---- Bacteria are an important part of the planktonic community of lakes and other aquatic environments. They use dissolved organic carbon in the water as a ...


11. Biological Atlas of the Arctic Seas 2000-Plankton of the Barents and Kara Seas [NOAA_bioatlas_arctic]
Presented are (a) physical and biological data collected during 158 scientific cruises carried out in the period 1913-1999 and (b) data on phytoplankton collected in 1994-1999 during cruises ...


12. Buzzards Bay Project [gomc_159]
National Estuary Program Waterbody or Watershed Names: Buzzards Bay


13. Changes in Streamflow, Concentrations, and Loads in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2006 [USGS_OFR_2007_1372]
Water-quality and streamflow data from 34 sites in nontidal parts of the Chesapeake Bay watershed are presented to document annual nutrient and sediment loads and trends for 1985 through 2006, as ...


14. Characterisation of aquatic resources in McMurdo Sound region of Antarctica: water chemistry, biological identity and genomic samples [K081_2009_2010_NZ_1]
Aquatic environments in Antarctica have changes over time with a changing climate. Small aquatic zones on the surface of glaciers ablation zones are comparatively constant and represent perhaps the ...


15. Characterization of phototrophic pigment composition, metabolic processes and carbon pools in northern chile. [GLOBEC_049_CHL_013]   PARENT METADATA
Title: Characterization of the phototrophic pigment composition, main metabolic processes and carbon pools occurring in northern chile. A fluorescence peak occurring within the oxygen minimum ...


16. Chemical and Physical Characteristics of the Great Lakes (1965-1978) [GLERL0002]
The yearly investigations for the years 1965 to 1974 were formulated and directed by Dr. Arthur P. Pinsak (retired). The 1975 cruises were planned and directed by Gerald L. Bell and Dr. Richard L. ...


17. Chesapeake Bay Program Nutrient Point Source Database [CBP_PSDB]
The Chesapeake Bay Program Nutrient Point Source Database contains data from about 600 nutrient dischargers in the Bay watershed. This database provides facility information, average flow data, average ...


18. Chesapeake Bay Program Water Quality Database [CBP_WQDB]
The Water Quality Monitoring database is a compilation of data for 19 parameters at 49 mainbay and approximately 150 tributary stations for Maryland, Virginia, and the District of Columbia ...


19. Circulation and Physical Processes within the San Gabriel River Estuary During Summer 2005 [USGS_OFR_2007_1011]
The Southern California Coastal Water Research Project (SCCWRP) is developing a hydrodynamic model of the SGR estuary, which is part of the comprehensive water-quality model of the SGR estuary and ...


20. Compendium of Environmental Sustainability Indicator Collections: Complete Collection, Version 1.1 [CIESIN_SEDAC_CESIC_COMPLETE_V11]
The Compendium of Environmental Sustainability Indicator Collections, Version 1.1 contains 426 indicators for 239 countries from five major environmental sustainability indicator efforts: the 2006 ...


21. Concentration of Nitrogen (NO3+NO2) in Rivers, Lakes and Groundwater [geodata_1825]
In water, nitrogen (N) occurs as nitrates (NO3-) and nitrites (NO2-). These are naturally occurring ions that are part of the nitrogen cycle. Nitrate is used mainly in inorganic fertilizers, and sodium ...


22. County-based estimates of nitrogen and phosphorus content of animal manure in the United States for 1982, 1987, and 1992. [USGS_manure]
These estimates are intended for large-scale ground- and surface-water analyses of nutrient sources or changes in these sources. These data on nutrients in manure can be compared to fertilizer inputs ...


23. Data on freshwater and hydrochemistry in the Antarctic Peninsula region. [CNDP-ESP_GEOANT-UAM_Freshwater]   PARENT METADATA
In English: Surface freshwater, snow and groundwater studies in the Antarctic Peninsula region and Ellsworth Mountains. Hydrochemical data. From projects of the research group on Geology of the University ...


24. Determination of Nutrient Loads to East Coast Canals [USGS_SOFIA_metlietz]
The objectives of this project were threefold: 1) to determine if historical water-quality data collected as grab samples at 0.5 and c1.0 m below the surface near the centroid of flow adequately represent ...


25. Determining the rates of nutrient uptake to create an approximate nutrient budget of microbial mats from Bratina Island ponds, McMurdo Ice Shelf [K081_2000_2001_NZ_5]
Mat cores from ponds on the McMurdo Ice Shelf were incubated in pond water which had been spiked by 50 µg l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


26. Distribution of Dissolved Pesticides and Other Water Quality Constituents in Small Streams, and their Relation to Land Use, Willamette River Basin, Oregon [WRIR_97_4268]
Water quality samples were collected at sites in 16 randomly selected agricultural and 4 urban subbasins as part of Phase III of the Willamette River Basin Water Quality Study in Oregon during 1996. ...


27. ERF1 -- Enhanced River Reach File 1.2 [USGS_erf1]
ERF1 was designed to be a digital data base of river reaches capable of supporting regional and national water-quality and river-flow modeling and transport investigations in the water-resources community. ...


28. ERF1-2 -- Enhanced River Reach File 2.0 [USGS_erfi-2]
This report describes the process of enhancements to the stream reach network, ERF1, which is an enhanced version of EPA's RF1. The U.S. Environmental Protection Agency's reach file (RF1) is a database ...


29. Ecological investigation of nitrogen sources and sinks in Lake Wilson and three catchment ponds in the Darwin Glacier region [K081_1992_1993_NZ_1]
Ecological investigations into the waters of the Darwin Glacier region (extreme southern end member to the Dry Valley system) were carried out to extend knowledge of microbial processes to high latitude ...


30. Esquadat - Water Quality Database, Saskatchewan, Canada [Canada_SERM_Esquadat]
The ESQUADAT system is a Saskatchewan Environment (SE) corporate water quality database. ESQUADAT is a centralized database system with province-wide access. The ...


31. Estuarine Surface Water Nutrient Chemistry and Water Quality for North Inlet: Former Long-Term Ecological Research (LTER)/NIN003 [LTER_NIN003]
LTER - Long-Term Ecological Research Program/North Inlet Salt Marsh, South Carolina (NIN) LTER/NIN003 [Summary adapted from the LTER North Inlet Daily Water Sample (DWS) Data Documentation] The ...


32. Estuarine and Coastal Water Quality in Ireland Dataset [Ireland_EPA_H2O_Quality]
The dataset comprises a series of datafiles, in spreadsheet format (MS Works and MS Excel), relating to each of approximately 200 field surveys carried out in 17 estuarine and coastal water bodies. ...


33. Europe's Waterbase - Groundwater [EEA_WATERBASE_GROUNDWATER]
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity ...


34. Europe's Waterbase - Lakes [EEA_WATERBASE_LAKES]
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the quantity ...


35. Europe's Waterbase - Rivers [EEA_WATERBASE_RIVERS]
Waterbase is the generic name given to the EEA's databases on the status and quality of Europe's rivers, lakes, groundwater bodies and transitional, coastal and marine waters, and on the ...


36. European Diatom Database - NW Europe Dataset [uk_nc_eddi_NWEuro]
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


37. European Diatom Database - Northern Irish Dataset [uk_nc_eddi_NI]
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


38. European Diatom Database-Caspian Saline Lake Dataset [uk_nc_eddi_caspian]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


39. European Diatom Database-Combined pH dataset [uk_nc_eddi_ph]   PARENT METADATA
This is a composite dataset derived from the following original datasets: Dataset Id Name N ALPI Italian mountain lake dataset 31 ALPS Spanish mountain lake dataset 28 ALPU ...


40. European Diatom Database-Danish TP Dataset [uk_nc_eddi_DK]
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


41. European Diatom Database-East African Dataset [uk_nc_eddi_africae]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


42. European Diatom Database-Finnish Dataset [uk_nc_eddi_Finland]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication ...


43. European Diatom Database-Italian Mountain Lake Dataset [uk_nc_eddi_alpi]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


44. European Diatom Database-Kola Peninsula pH Dataset [uk_nc_eddi_kola]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication ...


45. European Diatom Database-Norwegian Dataset [uk_nc_eddi_Bergen]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


46. European Diatom Database-Spanish Mountain Lake Dataset [uk_nc_eddi_alps]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


47. European Diatom Database-Spanish Saline Lake Dataset [uk_nc_eddi_spain]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


48. European Diatom Database-Surface Waters Acidification Programme [uk_nc_eddi_swap]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


49. European Diatom Database-UCL Mountain Lake Dataset [uk_nc_eddi_alpu]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


50. European Diatom Database-Welsh TP Dataset [uk_nc_eddi_wales]   PARENT METADATA
The European Diatom Database (EDDI) is a web-based information system designed to enhance the application of diatom analysis to problems of surface water acidification, eutrophication and climate ...


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