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University
New Mexico Federal Lands
Earth Data Analysis Center, University of New Mexico —
This map layer consists of federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. Only areas of 640 acres or more are... -
Federal
EnviroAtlas Proximity to Parks Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset shows... -
Federal
Forest Health Protection Tree Species Metrics Basal Area (Image Service)
Department of Agriculture —
Basal Area (BA). 30 meter pixel resolution. Data represents forest conditions circa 2002.These data are a product of a multi-year effort by the FHTET (Forest Health... -
Federal
EnviroAtlas - Average Annual Sediment Delivery Ratio (Scaled) - Existing Land Use / Land Cover Scenario for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average sediment delivery ratio (SDR) - the percentage of soil eroding from a pixel that is transported to a downstream... -
Federal
Total monthly water withdrawals for public supply by 12-digit hydrologic unit in the conterminous United States for 2015
Department of the Interior —
This dataset presents the total estimated monthly public-supply water withdrawal by 12-digit hydrologic unit code (HUC12) in the conterminous United States for 2015.... -
Federal
US EPA Nonattainment Areas and Designations-24 Hour PM2.5 (2006 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layers: PM2.5 24hr 2006 NAAQS State Level and PM2.5 24hr 2006 NAAQS National. Full FGDC metadata records for each layer may be... -
Federal
EnviroAtlas - Des Moines, IA - Residents with Minimal Potential Window Views of Trees by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows the total block group population and the percentage of the block group population that has little access to potential window views of... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Septic System Density
U.S. Environmental Protection Agency —
This dataset represents density of septic systems within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. The data is based on the 1990... -
Federal
Sentinel-1 and Sentinel-2 based frequency of open and vegetated water across the United States (2017-2021)
Department of the Interior —
High-frequency observations of surface water at fine spatial scales are critical to effectively manage aquatic habitat, flood risk and water quality. We developed... -
Federal
EnviroAtlas - MSPA connectivity with water as missing and 1-pixel edge width for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset categorizes land cover into structural elements (e.g. core, edge, connector, etc.). It depicts core areas of natural land cover, core... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Nitrogen Surplus Density
U.S. Environmental Protection Agency —
This dataset represents the density of nitrogen surplus as kg N / yr, excluding biological N Fixation, within individual, local NHDPlusV2 catchments and upstream,... -
Federal
EnviroAtlas - Number of Water Markets per HUC8 Watershed, U.S., 2015, Forest Trends' Ecosystem Marketplace
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains polygons depicting the number of watershed-level market-based programs, referred to herein as markets, in operation per 8-digit HUC... -
Federal
EnviroAtlas - Watershed Index Online Hydrologically Connected Zone Mask for the Conterminous United States
U.S. Environmental Protection Agency —
The Hydrologically Connected Zone (HCZ) Mask was determined using grid analysis to combine surface water features in the United States from three datasets: First, the... -
Federal
EnviroAtlas - 2002 Edge-of-Field Simulated Nitrogen, Phosphorus and Water Quantity Loss by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset contains annual (2002) simulated estimations of edge-of-field agricultural nitrogen (N) and phosphorus (P) lost in surface runoff, subsurface... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Anthropogenic Nitrogen
U.S. Environmental Protection Agency —
This dataset represents net anthropogenic Nitrogen within AOI: farm fertilizer + urban fertilizer + NOx deposition + CBNF + Human and Livestock food - crop N content... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Surface Water Nitrogen Flux
U.S. Environmental Protection Agency —
This dataset represents estimated surface water TN flux within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as kg N/km2. -
Federal
EnviroAtlas Near Road Tree Buffer Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This EnviroAtlas dataset... -
Federal
EnviroAtlas - Fruit and vegetable crops by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes data on the area, yield, and number of fruit and vegetable crops grown per 12-digit Hydrologic Unit (HUC) in the conterminous USA....