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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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xml

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...

xml
xml

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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xml

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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xml

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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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: PRISM 30-Year Average (1961-1990) Relative Humidity (percent)

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

This tabular data set represents PRISM 30-year average (1961-1990) relative humidity (percent) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Percent of Irrigated Agriculture, 2002 MIrAD data

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

This tabular data set represents percent of irrigated agriculture, based on 2002 MODIS Irrigated Agricultural Data (MIrAD) data compiled for two spatial components of the NHDPlus version 2 data...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Percent of Irrigated Agriculture, 2007 MIrAD data

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:34 AM

This tabular data set represents percent of irrigated agriculture, based on 2007 MODIS Irrigated Agricultural Data (MIrAD) data compiled for two spatial components of the NHDPlus version 2 data...

xml
xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Percent of Irrigated Agriculture, 2012 MIrAD data

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

This tabular data set represents percent of irrigated agriculture, based on 2012 MODIS Irrigated Agricultural Data (MIrAD) data compiled for two spatial components of the NHDPlus version 2 data...

xml
xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2011

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:23 AM

This tabular data set represents the percent of land cover classes from the 2011 Crop land Data Layer compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2012

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:32 AM

This tabular data set represents the percent of land cover classes from the 2012 Crop land Data Layer compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Crop Land Data Layer 2013

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:32 AM

This tabular data set represents the percent of land cover classes from the 2013 Crop land Data Layer compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...

xml
xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Nitrogen and Phosphorous Estimates from Fertilizer and Manure, 2012

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 05:02 AM

This tabular data set represents estimated loads of nitrogen and phosphorous from fertilizer and manure applied on agricultural land for the year 2012 compiled for two spatial components of the...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Contact Time

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:46 AM

This tabular data set represents contact time, the length of time it takes for water to drain along subsurface flow paths to the stream, compiled for two spatial components of the NHDPlus version...

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xml

Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Mean Infiltration-Excess Overland Flow as a Percent of StreamFlow

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:40 AM

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

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xml

Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Average Annual Runoff (mm) from McCabe and Wolock's Runoff Model 1951-2000

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

This data set represents the average annual runoff (mm) from McCabe and Wolock's Runoff Model 1951-2000 value compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2)...

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xml

Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Fungicide Use on Agricultural Land in Kilograms per square Kilometer, 2009

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:41 AM

This data set represents the Fungicide use on agricultural land in kilograms per square kilometer, 2009 value compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2)...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Select Geochemical Characteristics Based on Olson Geology Types

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:42 AM

This tabular data set represents select geochemical characteristics based on Olson geology types in surface or near surface geology (Olson, 2014) compiled for two spatial components of the NHDPlus...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Julian Day of the Year of First Freeze, from 30 Years of Record (1961-1990)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:47 AM

This tabular data set represents the mean Julian year day of the year of the first freeze, from 30 years of record (1961-1990) compiled for two spatial components of the NHDPlus version 2 data...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean Day of the Year of Last Freeze, from 30 Years of Record (1961-1990)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:40 AM

This tabular data set represents the mean Julian year day of the year of the last freeze, from 30 years of record (1961-1990) compiled for two spatial components of the NHDPlus version 2 data...

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xml

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