Search datasets
-
The data are grids of total atmospheric deposition created through a measurement-model fusion process that uses data from the Community Multiscale Air Quality (CMAQ) modeling system and monitoring...
Search relevance: 253.94 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:58 PM -
This dataset includes total nitrogen (wet + dry) deposition for the contiguous United States. Oxidized and reduced forms of N are included. Data for the western U.S. is comprised of 36km...
Search relevance: 96.74 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:26 PM -
The National Atmospheric Deposition Program/National Trends Network (NADP/NTN) was initiated in 1978 by the Association of State Agricultural Experiment Stations to monitor long-term atmospheric...
Search relevance: 82.97 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:53 PM -
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: 78.56 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:15 PM -
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: 78.50 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:41 PM -
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: 77.18 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 08:17 PM -
This tabular data set represents the average normalized atmospheric (wet) deposition, in kilograms per square kilometer multiplied by 100, of Total Inorganic Nitrogen for the year 2002 compiled...
Search relevance: 75.81 | Views last month: 4 | Catalog Last Checked: October 29, 2026 at 06:49 AM -
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: 75.56 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:32 PM -
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This research used nutrient and...
Search relevance: 75.38 | Views last month: 10 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
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: 75.01 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:49 PM -
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: 66.65 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:38 PM -
This data set represents the average normalized atmospheric (wet) deposition, in kilograms, of Total Inorganic Nitrogen for the year 2002 compiled for every catchment of NHDPlus for the...
Search relevance: 57.39 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:11 PM -
Direct Download (Raster Data Gateway)Objective: Evaluate the impact of atmospheric nitrogen deposition on various ecosystem components including lichens, tree species (both growth and mortality),...
Search relevance: 44.48 | Views last month: 4 | Catalog Last Checked: October 09, 2026 at 04:38 PM