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Found 2571 dataset(s) matching "Ecosystem Monitoring and Assessment".

The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Forest Loss By Year 2001 to 2013
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:59 AM
This dataset represents the characterization of global forest extent and change by year from 2001 through 2013 within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies...
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Base Flow Index
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:59 AM
This dataset represents the base flow index values within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are defined in one of two...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: State Soil Geographic Database (STATSGO) (KFFACT)
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:50 AM
This dataset represents the soil characteristic within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the STATSGO landscape rasters. Attributes of the...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:48 AM
This dataset represents data derived from the NLCD dataset and the National Hydrography Dataset version 2.1(NHDPlusV2) (see Data Sources for links to NHDPlusV2 data and NLCD). Attributes were...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Mine Density Active Mines and Mineral Plants in the US
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:48 AM
This dataset represents the mine density within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on mine plants and operations monitored by the USGS National...
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Canal Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:59 AM
This dataset represents canal density within individual, local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are defined in one of two ways,...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Housing Unit and Population Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:46 AM
This dataset represents the population and housing unit density within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on 2010 US Census data. Densities are...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Septic System Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:50 AM
This dataset represents density of septic systems within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. The data is based on the 1990 U.S. Census.
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: GeoChemPhys
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:59 AM
This dataset represents geochemical or geophysical attributes in surface or near surface geology within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment...
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Road Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:58 AM
This dataset represents the road density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are defined in one of two ways,...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: PRISM Normals Data
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:49 AM
This dataset represents climate observations within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were calculated for every local...
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: PRISM Normals Data
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 05:01 AM
This dataset represents climate observations within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the PRISM Climate Group. Catchment boundaries in LakeCat...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Dam Density and Storage Volume
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:47 AM
This dataset represents the dam density and storage volumes within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on National Inventory of Dams (NID) data....
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wastewater Treatment Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:50 AM
This dataset represents density of all wastewater treatment plants within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as number/ km2.
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Index of Watershed Integrity / Index of Catchment Integrity (IWI/ICI)
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:47 AM
This dataset represents the Index of Watershed Integrity / Index of Catchment Integrity (IWI/ICI) within individual local NHDPlusV2 catchments and upstream, contributing watersheds based on 23...
- api
- comma-separated values (.csv)
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Dam Density and Storage Volume
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 04:59 AM
This dataset represents the dam density and storage volumes within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the National Inventory of Dams (NID)....
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Nitrogen Surplus Density
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:48 AM
This dataset represents the density of nitrogen surplus as kg N / yr, excluding biological N Fixation, within individual, local NHDPlusV2 catchments and upstream, contributing watersheds.
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: GeoChemPhys
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:47 AM
This dataset represents geochemical or geophysical attributes in surface or near surface geology within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of...
- api
- comma-separated values (.csv)
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Facility Registry Services (FRS) : Toxic Release Inventory (TRI) , National Pollutant Discharge Elimination System (NPDES) , and Superfund Sites
- Organization: U.S. Environmental Protection Agency
- Updated: 2023-11-13 | Harvested: July 13, 2025 at 07:47 AM
This dataset represents the estimated density of georeferenced sites within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the EPA's Facility Registry...
- api
- comma-separated values (.csv)
Predicted carbon fluxes in Lake Maurepas swamp forests under various hydrologic and salinity regimes
- Organization: Department of the Interior
- Updated: 20250825 | Harvested: August 28, 2025 at 07:27 PM
A process-driven biogeochemistry model, Wetland Carbon Assessment Tool - DeNitrification-DeComposition model (WCAT-DNDC) was validated and applied to examine the responses of daily net ecosystem...
- xml
- xml