Found 47 datasets matching "National Atmospheric Deposition Program".
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The USGS Precipitation Chemistry Quality Assurance Project (PCQA) operates QA programs to challenge and test the National Atmospheric Deposition Program (NADP) data-collection processes for both...
Search relevance: 201.91 | Views last month: 1 -
This data set represents National Atmospheric Deposition Program (NADP) National Trends Network average of annual precipitation-weighted mean atmospheric deposition for seven select constituents...
Search relevance: 199.19 | Views last month: 0 -
Pollen was measured in ambient air by several methods and in wet atmospheric deposition samples at three monitoring sites in the National Atmospheric Deposition Program (NADP) National Trends...
Search relevance: 181.87 | Views last month: 6 -
Automated collectors at Elkmont passively accumulated litterfall for two consecutive 4-week periods each in 2008 and 2009. Samples were collected, and submitted for analysis of mercury by...
Search relevance: 173.34 | Views last month: 0 -
This dataset represents deposition estimates of nutrients within individual local NHDPlusV2 catchments and upstream, contributing watersheds based on the National Atmospheric Deposition Program....
Search relevance: 169.88 | Views last month: 0 -
This dataset represents deposition estimates of nutrients within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the National Atmospheric Deposition...
Search relevance: 165.93 | Views last month: 0 -
The movement of mercury (Hg) from the atmosphere to the biosphere occurs by both wet and dry deposition to solid surfaces, water, and vegetation. Most of the annual dry atmospheric Hg deposition...
Search relevance: 159.65 | Views last month: 0 -
This data release contains tabular digital data describing calculated hourly back trajectory position coordinates for air masses contributing to five selected precipitation-mercury deposition...
Search relevance: 158.76 | Views last month: 0 -
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) conducts research using the infrastructure of the National Atmospheric Deposition Program (NADP) National Trends Network (NTN)....
Search relevance: 152.31 | Views last month: 0 -
Mercury (Hg) is a persistent environmental contaminant and can accumulate and concentrate in food webs as methylmercury (MeHg), presenting a health risk to humans and wildlife. Multiyear...
Search relevance: 151.16 | Views last month: 0 -
Mercury (Hg) is a persistent environmental contaminant and can accumulate and concentrate in food webs as methylmercury (MeHg), presenting a health risk to humans and wildlife. Multiyear...
Search relevance: 141.65 | Views last month: 0 -
Mercury (Hg) is a persistent environmental contaminant and can accumulate and concentrate in food webs as methylmercury (MeHg), presenting a health risk to humans and wildlife. Multiyear...
Search relevance: 140.59 | Views last month: 0 -
The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 4,300 weekly composite samples of precipitation from thirteen National Atmospheric Deposition Program...
Search relevance: 137.65 | Views last month: 0 -
The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 1,400 daily or weekly composite samples of precipitation from four National Atmospheric Deposition Program...
Search relevance: 131.60 | Views last month: 0 -
General Info Site IDAK03 Site NameDenali National Park-Mt. McKinley CountyDenali State/Prov.AK Start Date03/10/2014 Stop Date...
Search relevance: 126.70 | Views last month: 0 -
The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 6,400 weekly composite samples of precipitation from nine National Atmospheric Deposition Program (NADP)...
Search relevance: 122.83 | Views last month: 1 -
This data release provides estimates of monthly wet atmospheric deposition of total inorganic nitrogen (TIN)--the summation of nitrate (NO3) and ammonium (NH4) ions--for the conterminous United...
Search relevance: 114.11 | Views last month: 0 -
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) operates QA programs to challenge and test the National Atmospheric Deposition Program (NADP) data-collection processes for both...
Search relevance: 112.59 | Views last month: 0 -
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water, aquatic life, sediments, and air...
Search relevance: 65.29 | Views last month: 113 -
Estimates of inorganic nitrogen deposition from precipitation for selected Chesapeake Bay Watersheds
This dataset contains estimates of the yearly sum of nitrogen atmospheric deposition of inorganic nitrogen in selected Chesapeake Bay watersheds from 1985-2012. Data for 1985-2012 were downloaded...
Search relevance: 64.80 | Views last month: 0
