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51. Field measurements, major ions, nutrient, and carbon data for Bridge-105 and the 40-Mile Bend to Monroe reach in the Big Cypress National Preserve [USGS_SOFIA_field_data_br105]
The data catagories include site name, date, time, station ID, medium, record #, agency analyzing sample, agency collecting sample, discharge (daily mean and instantaneous), gage height, lab spec ...


52. Field measurements, major ions, nutrient, and carbon data for sites in the interior of the Everglades National Park [USGS_SOFIA_field_data_interEver]
The data catagories include site name, date, time, station ID, medium, record #, agency analyzing sample, agency collecting sample, discharge (daily mean and instantaneous), gage height, lab spec ...


53. Long Island Sound Interstate Sanitation Commission Data [ISC_ISCdata]
Monitor water quality on a monthly basis over the full annual cycle.


54. Seminole County, Florida, USA Watershed [Seminole_Watershed_Atlas]
The Seminole County Watershed Atlas is designed to provide citizens, scientists, and planners of the region with comprehensive and current water quality, hydrologic, ...


55. Global Learning and Observations to Benefit the Environment (GLOBE) Data Available on the WWW [GLOBE_DATA]
GLOBE is a worldwide network of students, teachers and scientists working together to study and understand the global environment. ...


56. 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 ?g l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


57. Global Atmospheric Background Monitoring for Selected Environmental Parameters - BAPMoN Data [gov.noaa.ncdc.C00311]
The National Climatic Data Center (NCDC) has, in archive, a number of copies of this historical publication dated between 1973 and 1991. The publication had several different titles during this period. ...


58. IAI-FinalReport_ISP1_003 Nitrogen Transport and Transformations: A Regional and Global Analysis [IAIDIS436]
This dataset refers to the Final Report of the ISP round I project number 003, which has the name "NITROGEN TRANSPORT AND TRANSFORMATIONS: A REGIONAL AND GLOBAL ...


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


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


61. 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 ...


62. Nitrate Leaching Class Ranges [IGDNR_NO3LRANGE]   PARENT DIF
This is a statewide Arc/Info data set of nitrate leaching class ranges for soils in Illinois. It was generated to aid in determining aquifer sensitivity to nitrate leaching in Illinois. ...


63. Nitrate Leaching Classes of Illinois Soils [IGDNR_NO3LEACH]   PARENT DIF
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


64. 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 ...


65. 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 ...


66. 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 ...


67. Florida Bay sediment geochemical data [USGS_SOFIA_orem_fb_sed_geochem]
The data set contains the sample ID, depth (cm), sediment size, fine sediment fraction (<60m), total C %, organic C %, total N %, total P %, C/N, C/P, and N/P. This project is examining (1) sources ...


68. Water Quality Physical Parameters Data (Lietz) [USGS_SOFIA_waterqual_lietz]
The data set contains values for water temperature, pH, specific conductance, dissolved oxygen, sample location cross section, and sampling depth at 5 sites. The sites are: Biscayne Canal at S-28 ...


69. Geochemical and geomorphological investigations of the McMurdo Dry Valleys freshwater and saline water bodies [K211_1963_1987_NZ_1]   CHILD DIFs
Since the 1963-1964 season, Japanese scientists have studied major and trace elements, nutrient matter, stable and radioactive isotopes and organic constituents in lakes and ponds and geological samples ...


70. Geochemical studies, the natural abundance of nitrogen isotopes in soil and evaporates and observations of the sequential changes in the saline lakes of the Dry Valleys and surrounding areas [K211_1978_1979_NZ_1]   PARENT DIF
Geochemical studies on the tritium chronology of Lake Vanda, the natural abundance of nitrogen isotopes in soil and evaporites in the Dry Valleys and observations of the sequential changes in the ...


71. Geophysical studies of Lake Vanda, Wright Valley, including lake water and ice parameters and geomorphological studies of the surrounding physical environment with comparisons with other nearby water bodies [K211_1970_1973_NZ_1]   PARENT DIF
A geophysical study of Lake Vanda, Wright Valley was conducted over three seasons focussing on the heat balance of the lake with geochemical and geomorphological studies running concurrently. Comparisons ...


72. Limnological studies of Dry Valley lakes: water parameters (pH, conductivity, nutrients, temperature), uranium content, trace elements, isotopic ratio and tritium concentrations, and geochemical samples [K211_1984_1986_NZ_1]   PARENT DIF
A large number of saline and freshwater lakes and ponds of the Dry Valley area and crater lakes behind the McMurdo station were visited for limnological study including Lake Fryxell of the Taylor ...


73. Measurements of environmental radiation near Scott Base and McMurdo Station and in the McMurdo Dry Valleys [K211_1984_1985_NZ_1]   PARENT DIF
The level of environmental radiation (gamma ray exposure) due to terrestrial radionuclides was measured by using a portable NaI gamma ray survey meter in the Ross Island (near Scott Base and McMurdo ...


74. 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. ...


75. Nutrients Data (Lietz) [USGS_SOFIA_Nut_Data_Lietz]
This project attempted to quantify nitrogen and phosphorus loads to Biscayne Bay based upon models developed from ordinary least squares regression techniques. It also examined which historical methods ...


76. New Hampshire Environmental Monitoring Data (EMD) [NHDES_EMD]
The Environmental Monitoring Database (EMD) started out as a repository for river, lake, estuary, and ocean data collected by the New Hampshire Department of Environmental Services (NHDES) Watershed ...


77. Loxahatchee National Wildlife Refuge Data [USGS_SOFIA_LOX_NWR_data]
The Loxahatchee National Wildlife Refuge (LOX) is a water-dominated ecosystem that is susceptible to water-quality impacts. A comprehensive analysis of historical water-quality and ancillary data ...


78. Puget Sound Monitoring Program [WA_pswqat]
The Puget Sound Water Quality Action Team and Puget Sound Council require information about the condition of the Puget Sound environment to evaluate progress toward meeting the Plan's ...


79. 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 ...


80. The physical and biological structure of the water column in Lake Vanda and the influences to it from the inflow of the Onyx River [K081_1993_1996_NZ_2]
The waters of Lake Vanda, Wright Valley have risen at a rate of 1m per year. The rise was largely attributed to increased flows in its only significant inflow, the Onyx River. Prior to the first flows ...


81. The transformation of nutrients in glacial meltstream waters from origin to discharge [K081_2000_2001_NZ_3]
Two stream were examined for the rates and directions of transformation of nutrients, Green Creek and Canada Stream. Both of these streams drain into Lake Frxyell in the Taylor Valley. Each stream ...


82. The changes in the physical, chemical and biological processes in melt water ponds during the late season freeze processes into the polar winter at Bratina Island [K081_2007_2008_NZ_2]
How the onset of winter conditions affects the physical and chemical conditions within the melt water ponds on the McMurdo Ice Shelf (of which summer information is available) and how these changes ...


83. The ecology (tidal and weather records, distribution and abundance of microbes and quantification of nitrogen transformation) of an Antarctic tidal lagoon and mudflats at Bratina Island, McMurdo Ice Shelf [K081_1992_1993_NZ_2]
A tidal lagoon at Bratina Island experiences a daily inundation with tidal height varying. Low tide reveals a network of ponds, streams and tidal flats that appear to be highly productive with all ...


84. Water nutrient chemistry of ponds on Bratina Island, Antarctica [K081_2004_2005_NZ_3]
Tweleve ponds on the McMurdo Ice Shelf were sampled to create and annual data set of water nutrient chemistry (DRP, NH4-N, NO3-N, TDN, TDP), pH, conductivity, temperature, phytoplankton chlorophyll ...


85. 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 ...


86. Global Water Quality Data and Statistics (GEMStat) from UNEP Global Environmental Monitoring System (GEMS) Water Programme [UNEP_GEMSTAT]
The United Nations Environment Programme Global Environment Monitoring System (GEMS) Water Programme is a multi-faceted water science centre oriented towards building knowledge on inland ...


87. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates included. [USGS_atra_hyd_use]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


88. 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 ...


89. 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 ...


90. SPARROW Model Results: Nutrient Loads and Sources for New England Watersheds [USGS_SPARROW_RES]
The U.S. Geological Survey (USGS), in cooperation with the New England Interstate Water Pollution Control Commission (NEIWPCC) and the U.S. Environmental Protection Agency (USEPA), developed the New ...


91. Planktonic community structure and species interactions in melt ponds on the McMurdo Ice Shelf and at Cape Bird [K083_1991_1992_NZ_1]
Depth integrated water samples were taken from 20 ponds near Bratina Island on the McMurdo Ice Shelf and 6 ponds from Cape Bird to characterise the planktonic community structure of the ponds and ...


92. Ground-Water Quality in the Mohawk River Basin, New York, 2006 [USGS_OFR_2008_1086]
Water samples were collected from 27 wells from August through November 2006 to characterize ground-water quality in the Mohawk River Basin. The Mohawk River Basin covers 3,500 square miles in central ...


93. National Pesticide Survey (NPS) [EPA0129]
The "National Pesticide Survey (NPS)" contains the results of a one-time survey conducted by EPA to determine the frequency and concentration of pesticides and nitrate in drinking water wells nationwide, ...


94. 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 ...


95. 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 ...


96. Water Quality Data for the Cuyahoga Valley National Recreation Area, 1957-1994, from EPA/STORET [CSUOHIO_CESTP_EDP_19970040]
This dataset was compiled as part of the National Park Service's (NPS) Baseline Water Quality Data Inventory and Analysis Project. The objective of this project was to retrieve, format, and analyze ...


97. Streamflow and Nutrient Fluxes of the Mississippi-Atchafalaya River Basin and Subbasins for the Period of Record Through 2005 [USGS_OFR_2007_1080]
The U.S. Geological Survey has monitored streamflow and water quality systematically in the Mississippi-Atchafalaya River Basin (MARB) for more than five decades. This report provides streamflow and ...


98. Geochemical Data from Produced Water Contamination Investigations: Osage-Skiatook Petroleum Environmental Research (OSPER) Sites, Osage County, Oklahoma [USGS_OFR_2007_1055]
The USGS reports chemical and isotopic analyses of 345 water samples collected from the Osage-Skiatook Petroleum Environmental Research (OSPER) project. Water samples were collected as part of an ...


99. The Distribution of Trace Metals in Florida Bay Sediments. [RSMAS_FJM-003]
The distribution of trace metals based on surface sediments collected at 40 stations across Florida Bay was done in June, November and February 2000-2001. Concentrations of Sc, V, Ba, Cd, Cr, Co, ...


100. 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 ...


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