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#1 Federal

Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: Average Atmospheric (Wet) Deposition of Inorganic Nitrogen, 2002

Organization: Department of the Interior
Dataset Last Updated: November 17, 2020 at 12:00 AM

This data set represents the average atmospheric (wet) deposition, in kilograms per square kilometer, of inorganic nitrogen for the year 2002 compiled for every catchment of NHDPlus for the...

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Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 01, 2026 at 03:34 AM

#2 Federal

Monthly inorganic nitrogen atmospheric wet deposition estimates for the conterminous United States, 1999 through 2020

Organization: Department of the Interior
Dataset Last Updated: April 19, 2023 at 12:00 AM

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...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 04:03 AM

#3 Federal

Gulf Coast Network 1976-2023 Water Quality Data from Ten Park Projects as of 2024-03-06

Organization: Department of the Interior
Dataset Last Updated: October 17, 2024 at 12:00 AM

This data package was created 2024-10-17 13:01:06 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network NPSTORET back-end file...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:56 AM

#4 Federal

Select Chemical Attributes: National Atmospheric Deposition Program (NADP) National Trends Network (NTN) 1985-2014

Organization: Department of the Interior
Dataset Last Updated: March 26, 2026 at 12:00 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...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 03:53 AM

#5 Federal

Attributes for MRB_E2RF1 Catchments by Major River Basins in the Conterminous United States: Average Atmospheric (Wet) Deposition of Inorganic Nitrogen, 2002

Organization: Department of the Interior
Dataset Last Updated: November 17, 2020 at 12:00 AM

This tabular data set represents the average atmospheric (wet) deposition, in kilograms per square kilometer, of inorganic nitrogen for the year 2002 compiled for every catchment for MRB_E2RF1 of...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:45 AM

#6 Federal

Gulf Coast Network 1976-2024 Water Quality Data from Ten Park Projects as of 2025-03-18

Organization: Department of the Interior
Dataset Last Updated: March 18, 2025 at 12:00 AM

This data package was created 2025-03-18 17:05:08 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network NPSTORET back-end file...

Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:58 AM

#7 Federal

Gulf Coast Network 1976-2025 Water Quality Data from Ten Park Projects as of 2026-02-10

Organization: Department of the Interior
Dataset Last Updated: February 10, 2026 at 12:00 AM

This data package was created 2026-02-10 10:38:31 by NPSTORET and includes selected project, location, and result data. Data contained in the Gulf Coast Network NPSTORET back-end file...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:57 AM

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