199 datasets found for "Hydrology"
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Federal
EnviroAtlas - 2011 Land Cover, Impervious Surface, and Riparian Land Cover Proportions by County for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents land cover across a county and in riparian areas for each county in the conterminous United States for use in the Compare my Area... -
Federal
U.S. Level III and IV Ecoregions (U.S. EPA)
U.S. Environmental Protection Agency —
This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection... -
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 - Percent Urban Land Cover by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates the percent urban land for each 12-digit hydrologic unit code (HUC) in the conterminous United States. For the purposes of this... -
Federal
EnviroAtlas - Des Moines, IA - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. Vegetated cover is defined as Trees & Forest and Grass &... -
Federal
EnviroAtlas - Cleveland, OH - Riparian Buffer Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of forested, vegetated, and impervious land within 15- and 50-meters of hydrologically connected streams, rivers,... -
Federal
EnviroAtlas - New York, NY - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. In this community, forest is defined as Trees & Forest. There is a... -
Federal
EnviroAtlas - Chicago, IL - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. In this community, tree cover is defined as Trees & Forest, and... -
Federal
EnviroAtlas - Portland, OR - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Washington, DC - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. In this community, tree cover is defined as Trees & Forest, and... -
Federal
EnviroAtlas - Memphis, TN - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. Forest is defined as Trees & Forest and Woody Wetlands. There is a... -
Federal
EnviroAtlas - Woodbine, IA - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - New Bedford, MA - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Baltimore, MD - Riparian Buffer Land Cover by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of forested, vegetated, and impervious land within 15- and 50-meters of hydrologically connected streams, rivers,... -
Federal
EnviroAtlas - Green Bay, WI - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Cleveland, OH - 51m Riparian Buffer Vegetated Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is vegetated. In this community, vegetated cover is defined as Trees & Forest,... -
Federal
EnviroAtlas - Baltimore, MD - 15m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 15-m riparian buffer that is forested. In this community, tree cover is defined as Trees & Forest and Woody... -
Federal
EnviroAtlas - Portland, ME - 51m Riparian Buffer Forest Cover
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the percentage of a 51-m riparian buffer that is forested. There is a potential for decreased water quality in areas where the... -
Federal
EnviroAtlas - Below Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the summed below ground live tree root dry biomass estimate by 12-digit Hydrologic Unit (HUC) in metric tons (megagrams) from the... -
Federal
EnviroAtlas - Above Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the sum of aboveground live dry biomass estimate by 12-digit Hydrologic Unit (HUC) in total metric tons (megagrams) from the 2000...
199 datasets found for "Hydrology"