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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 (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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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Mean-Annual Actual Evapotranspiration, Estimated Using Regression Equation of Sanford and Selnick (2013)

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

This tabular data set represents mean-annual actual evapotranspiration, estimated using the regression equation of Sanford and Selnick (2013) compiled for two spatial components of the NHDPlus...

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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...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated 30-Year (1971-2000) Average Annual Runoff Based on Flow Measured at Streamgages, Millimeters per Year

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

This tabular data set represents estimated 30-year (1971-2000) average annual runoff in millimeters per year 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: 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: Estimated Mean Annual Snow as a Percent of Total Precipitation

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

This tabular data set represents estimated mean annual snow as a percent of total precipitation, 1905-2002 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: Nematicide Use on Agricultural Land in Kilograms per square Kilometer, 2009

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:43 AM

This data set represents the Nematicide 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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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: Mean Rate of Nitrogen Application on Agricultural Land from Census of Agriculture, 1997

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

This tabular data set represents the mean rate of nitrogen from fertilizer and manure applied on agricultural land in 1997 compiled for two spatial components of the NHDPlus version 2 data suite...

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

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

This data set represents the Insecticide 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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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: STATSGO2 Soil Characteristics, Hydrologic Groups

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

This tabular data set represents the percentages of soils for each STATSGO2 Hydrologic Group 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 Rate of Phosphorous Application on Agricultural Land from Census of Agriculture, 1997

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

This tabular data set represents the mean rate of phosphorous from fertilizer and manure applied on agricultural land in 1997 compiled for two spatial components of the NHDPlus version 2 data...

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xml

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

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

This data set represents the Herbicide 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 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Consecutive Wet Days

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

This tabular data set represents the average number of consecutive days with measurable precipitation for the period between 1871 and 1997, compiled for two spatial components of the NHDPlus...

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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Minimum Monthly Number of Days of Measurable Precipitation

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

This tabular data set represents 30 year average (1961-1990) of minimum monthly number of days of measurable precipitation per month compiled for two spatial components of the NHDPlus version 2...

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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: PRISM 30 Year (1961-1990) Annual Average Number of Days of Measurable Precipitation

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

This tabular data set represents 30 year annual average (1961-1990) number of days of measurable precipitation compiled for two spatial components of 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 Maximum Temperature (Celsius) from 800m PRISM data

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:43 AM

This tabular data set represents 30 year (1971 - 2000) mean annual maximum temperature (Celsius) from 800m PRISM data 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: 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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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year (1971 - 2000) Mean Annual Minimum Temperature (Celsius) from 800m PRISM data

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

This tabular data set represents the 30 year (1971 - 2000) mean annual minimum temperature (Celsius) from 800m PRISM data compiled for two spatial components of the NHDPlus version 2 data suite...

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xml

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Maximum Monthly Number of Days of Measurable Precipitation

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

This tabular data set represents 30 year average (1961-1990) of maximum monthly number of days of measurable precipitation per month compiled for two spatial components of the NHDPlus version 2...

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xml

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