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132 Titles Match Your Query
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51. 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 ...


52. 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 ...


53. Field measurement, major ion, and nutrient data for water from the Big Cypress National Preserve [USGS_SOFIA_field_data_bicy]
The data catagories include site name, date, time, station ID, record #, agency analyzing sample, agency collecting sample, discharge (daily mean), gage height, lab spec condition, field spec condition, ...


54. 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 ...


55. 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 ...


56. 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 ...


57. GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations [NAWQAHIS]
The retrospective database is a compilation of historical water-quality and ancillary data collected before NAWQA Study Units initiated sampling in 1993. This coverage contains the point locations ...


58. 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 ...


59. Geochemical and geomorphological investigations of the McMurdo Dry Valleys freshwater and saline water bodies [K211_1963_1987_NZ_1]   CHILD METADATA
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 ...


60. 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 METADATA
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 ...


61. Geochemistry of Wetland Sediments from South Florida [USGS_SOFIA_metorem]
This project is examining (1) sources of nutrients (nitrogen and phosphorus), sulfur, and carbon to wetlands of south Florida, (2) the important role of chemical and biological processes in the wetland ...


62. 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 METADATA
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 ...


63. 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. ...


64. Ground-Water Reconnaissance of the Bijou Creek Watershed, South Lake Tahoe, California, June-October 2003 [USGS_OFR_2005_1329]
A ground-water reconnaissance study of the Bijou Creek watershed in South Lake Tahoe, California was done during the summer and early fall of 2003. This study provides basic hydrologic data for a ...


65. Hydrological and hydrochemical observation status in the pan-Arctic drainage basin [SMHI_IPY_BRING01]
By synthesizing and analyzing all openly accessible water discharge and water quality data, we present in this dataset an updated, quantitative picture of the status of observational data on hydrological ...


66. 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 ...


67. Influence of Tillage Management on Soil Quality and Fate of Agricultural Nitrogen [USDA.ARS.NRI.ECL.TillMngt]
(adapted from project description) Problem: The use of no-tillage cropping systems has increased as their advantages in sustainable crop production have been documented. This includes better maintenance ...


68. Lake Fryxell benthic ecology [K081_2009_2013_NZ_2]
In 2012/2013 we collected Samples and data collected along a depth transect at Lake Fryxell. This samples were collected by a dive team. The samples included water chemistry and microbial mat sampling. ...


69. Lake Michigan Ecological Monitoring (1983-1993) [GLERL0009]
This data set contains numerous measurements of chemical, biological, and physical parameters for stations in southeastern Lake Michigan for the period 1983 to the present. Measured variables include ...


70. Lake Water Quality Monitoring in Washington State [wa_de_lakewaterquality]
Ecology has monitored rivers and streams since before 1959 and, due largely to federal grants, were able to monitor lakes from 1989 through 1999. During that period, they collected ...


71. 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 METADATA
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 ...


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


73. Long-Term Ecological Research (LTER)/CWT003: Streamflow Chemistry: Coweeta Hydrologic Laboratory [LTER_CWT003]
LTER/CWT003: The streamflow data are for WS18, a mixed-hardwood control watershed. Data were collected from 1971 through 1989 and include the following variables: head, pH, NO3-N, NH4-N, PO4, Cl, ...


74. Long-Term Ecological Research (LTER)/VCR003: Characterization of Nutrient Pools on the Virginia Coast Reserve [LTER_VCR003]
LTER/VCR001: This project characterizes 1) the bulk nutrients in the sediments, 2) the dissolved nutrients in the sediments, and 3) to some extent the water column, of VCR. Bulk sediment samples ...


75. 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 ...


76. Major-Ion, Nutrient, and Trace-Element Concentrations in the Steamboat Creek Basin [WIR_98_4105]
In September 1996, a water-quality study was done by the U.S. Geological Survey, in coordination with the U.S. Forest Service, in headwater streams of Steamboat Creek, a tributary to the North Umpqua ...


77. Maryland Biological Stream Survey [MD_DNR_BSS]
The Maryland Biological Stream Survey developed as a response to questions raised by the Maryland Synoptic Stream Survey of 1987 (see "Acid Deposition" pages for full discussion) and the MBSS Pilot ...


78. Measurements of environmental radiation near Scott Base and McMurdo Station and in the McMurdo Dry Valleys [K211_1984_1985_NZ_1]   PARENT METADATA
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 ...


79. Modeling Water Quality in the Tualatin River, Oregon, 1991-1997 [WRIR_01_4062]
The calibration of a model of flow, temperature, and water quality in the Tualatin River, Oregon, originally calibrated for the summers of 1991 through 1993, was extended to the summers of 1991 through ...


80. NERC Land Ocean Interaction Study (LOIS) River-Atmosphere-Coast Study (RACS) data off the east coast of England (from 1992) [BODC_NERC_LOIS_RACS]   CHILD METADATA
The River-Atmosphere-Coast Study (RACS) of the Natural Environment Research Council (NERC) of the United Kingdom studies land-sea interactions in the coastal zone and the major exchanges (physical, ...


81. 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, ...


82. 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 ...


83. Nitrate Leaching Class Ranges [IGDNR_NO3LRANGE]   PARENT METADATA
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. ...


84. Nitrate Leaching Classes of Illinois Soils [IGDNR_NO3LEACH]   PARENT 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 ...


85. Nitrogen Circulation in Rokkaku River [KUSUDA-ROKKAKU]
Water quality in Rokkaku River had been observed from 1983 to 1995.The water quality includes suspended solids, salinity, BOD, DO, nitrogen and phosphorous. Runoff water in sediments was also observed. ...


86. Nitrogen Transport and Attenuation in the Connecticut River Basin, New Hampshire, Vermont, and Massachusetts [USGS_CT_NATTEN]
The objective of this project is to estimate the rate of nitrogen loss in selected reaches of the Connecticut River. In-stream loss of nitrogen may influence the total nitrogen loads being input to ...


87. Nutrient Concentrations in Upper and Lower Echo, Fallen Leaf, Spooner, and Marlette Lakes and Associated Outlet Streams, California and Nevada, 2002-03 [USGS_OFR_2004_1333]
Five lakes and their outlet streams in the Lake Tahoe Basin were sampled for nutrients during 2002-03. The lakes and streams sampled included Upper Echo, Lower Echo, Fallen Leaf, Spooner, and Marlette ...


88. 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 ...


89. Pilot 2006 Environmental Performance Index (EPI) [CIESIN_SEDAC_EPI_2006]
The Pilot 2006 Environmental Performance Index (EPI) centers on two broad environmental protection objectives: (1) reducing environmental stresses on human health, and (2) promoting ecosystem vitality ...


90. 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 ...


91. 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 ...


92. Rainfall, Runoff, and Water-Quality Data for the Urban Storm-Water Program in the Albuquerque, New Mexico, Metropolitan Area, Water Year 2004 [USGS_OFR_2006_1105]
Urbanization has dramatically increased precipitation runoff to the system of drainage channels and natural stream channels in the Albuquerque, New Mexico, metropolitan area. Rainfall and runoff data ...


93. 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 ...


94. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions included and atrazine use estimates not included [USGS_atra_hyd_nuse]
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 ...


95. Residue Decomposition Processes and Soil C Storage in Agro-Ecosystems [USDA.ARS.GSWRL.ResidueDecomp]
(Adapted from Abstract presented at ARS Carbon Storage Workshop, Baltimore, MD, Jan 1999) Problems: The combined impact of population increases, industrial expansion, and deforestation has resulted ...


96. Risk of nitrate contamination in ground waters of the United States-- A national perspective [USGS_gwrisk]
This map was designed to present patterns of risk for nitrate contamination at large regional or national scales. Knowing where and what type of risks to ground water exist can alert water-resources ...


97. River and Stream Water Quality Monitoring in Washington State [wa_de_riverandstreamwaterqual]
The Washington State Department of Ecology has conducted monthly water quality monitoring at hundreds of stream stations throughout the state since before 1959. Currently, the Stream Monitoring Unit ...


98. 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 ...


99. 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, ...


100. State of the Chesapeake Bay Report [CBF_StateofChesapeake]
The State of the Bay Report is an annual report that provides the results on the health and environmental condition of the Chesapeake Bay. To create the ...


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