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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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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2011 Percent Imperviousness

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

This tabular data set represents NLCD 2011 percent imperviousness 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 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 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Generalized Geology Type (Reed and Bush, 2001)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:36 AM

This tabular data set represents Dominant geology type (Reed and Bush, 2001) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States;...

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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 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Minimum Monthly Precipitation in mm

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:30 AM

This tabular data set represents 30 year average (1961-1990) of minimum monthly precipitation in millimeters 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: STATSGO Soil Characteristics, Soil Salinity

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

This tabular data set represents the STATSGO soil layer attribute, salinity, compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States;...

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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: 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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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Monthly Average Annual Runoff (mm) from McCabe and Wolock's Runoff Model 1945 - 2015

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:28 AM

This tabular data set represents monthly average annual runoff (mm) from McCabe and Wolock's Runoff Model 1945-2015 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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Attributes for NHDPlus Version 2.1 Reach Catchments and Modified-Routing Upstream Watersheds for the Conterminous United States: Monthly Average Temperature (Celsius) from 1945 - 2015

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:24 AM

This tabular data set represents monthly average temperature values (Celsius) described in Wolock and McCabe (2018), compiled for 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: 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: 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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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Base Flow Index

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:36 AM

This tabular data set represents base flow index (BFI) compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1) individual reach...

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MD iMAP: Maryland Water Quality - Tier II Catchments 2012

Organization: State of Maryland
Updated: 2020-01-25 | Harvested: June 27, 2025 at 06:12 AM

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset provides the Tier II catchments delineated for the most downstream Tier II segment. This...

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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: STATSGO Soil Characteristics, Text Attributes

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

This tabular data set represents the STATSGO Soil texture Attributes 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: Average Monthly Runoff (mm) from McCabe and Wolock's Runoff Model Over Period of Record, 1951-2000

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

This data set represents the average monthly runoff (mm) from McCabe and Wolock's Runoff Model over the period of record, 1951-2000 compiled for two spatial components of the NHDPlus version 2.1...

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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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