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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified-Routing Upstream Watersheds for the Conterminous United States: Monthly Average Precipitation (millimeters) from 1945 - 2015

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:27 AM

This tabular data set represents monthly average precipitation values (millimeters) described in Wolock and McCabe (2018), compiled for the NHDPlus version 2 data suite (NHDPlusV2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated Mean Annual Natural Groundwater Recharge

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:39 AM

This tabular data set represents estimated the 30 year (1951-1980) mean annual natural groundwater recharge compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Housing Density 1940-2010

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 05:00 AM

This tabular data set contains information on historic housing densities for every 10 years from 1940-2010, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: National Inventory of Dams (NID) Storage and Construction by Decade, 1930 to 2010

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 06:41 AM

This tabular data set contains decadal information on dams compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1) individual...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NAWQA Wall-to-Wall Anthropogenic Land Use Trends (NWALT)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 06:31 AM

This tabular data set contains information on historic anthropogenic land use trends, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous...

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Cropland Data Layer summaries for NHDPlus Version 2.1 Reach Catchments in the Conterminous United States, 2000-2022

Organization: Department of the Interior
Updated: 20241009 | Harvested: July 15, 2025 at 10:54 PM

This dataset contains summary tables of land cover from the Cropland Data Layer (CDL) for individual stream catchments of the conterminous United States from the National Hydrography Dataset Plus...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year (1971 - 2000) Mean Annual Temperature (Celsius)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:49 AM

This tabular data set represents 30 year (1971 - 2000) mean annual temperature (Celsius) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Annual Average Actual Evapotranspiration (millimeters) from 2014 - 2015

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:06 AM

This tabular data set represents annual average actual evapotranspiration values (millimeters) described in Wolock and McCabe (2017), compiled for the NHDPlus version 2 data suite (NHDPlusV2) for...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Annual Average Potential Evapotranspiration (millimeters) from 2014 - 2015

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:02 AM

This tabular data set represents annual average potential evapotranspiration values (millimeters) described in Wolock and McCabe (2017), compiled for the NHDPlus version 2 data suite (NHDPlusV2)...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year (1971 - 2000) Mean Annual Precipitation

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:33 AM

This tabular data set represents 30 year (1971 - 2000) mean annual precipitation in millimeters compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: PRISM 30-Year Average Potential Evapotranspiration, 1971-2000

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:38 AM

This tabular data set represents PRISM 30-year average Potential Evapotranspiration, 1971-2000 compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Saturation Overland Flow as a Percent of Streamflow

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:44 AM

This tabular data set represents mean saturation overland flow as a percent of streamflow compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated Area of Subsurface Drainage on Agricultural Land, 1992

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:48 AM

This tabular data set represents the estimated percent area of subsurface drainage for the year 1992 compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Average Elevation of Water Table Relative to Land Surface

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:45 AM

This tabular data set represents average depth to water table relative to the land surface(meters) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2006 Percent Imperviousness in 100 Meter Riparian Buffer

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:44 AM

This tabular data set represents NLCD 2006 percent imperviousness in the 100 meter riparian buffer zones compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NAWQA Wall-to-Wall Anthropogenic Land Use Trends (NWALT) Timber 1999-2012

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 07:50 AM

This tabular data set contains annual information on forestry activity, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Level 3 EcoRegions (North American Designations)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:31 AM

This tabular data set represents the percent of United States Environmental protection Agency's (U.S. EPA) Level 3 Regions compiled for two spatial components of the NHDPlus version 2 data suite...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2001 Percent Imperviousness in 100 Meter Riparian Buffer

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:48 AM

This tabular data set represents NLCD 2001 percent imperviousness in the 100 meter riparian buffer zones compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: National Land Cover Database 2011 (NLCD 2011)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:29 AM

This tabular data set represents the percent of land cover classes from the 2011 National Land Cover Dataset compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: National Land Cover Database 2006 (NLCD 2006)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:22 AM

This tabular data set represents the percent of land cover classes from the 2006 National Land Cover Dataset compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for...

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