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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: 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: NLCD 2006 Percent Imperviousness

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

This tabular data set represents NLCD 2006 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 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 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: STATSGO Soil Characteristics, Layer Attributes

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:21 AM

This tabular data set represents the STATSGO Soil Layer Attributes compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous United States; 1)...

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Supporting scripts and datasets for manuscript "A modified Vegetation Photosynthesis and Respiration Model (VPRM) for the eastern USA and Canada, evaluated with comparison to atmospheric observations and other biospheric models"

Organization: National Institute of Standards and Technology
Updated: 2021-11-04 00:00:00 | Harvested: June 27, 2025 at 07:30 PM

Supporting scripts and datasets for Gourdji et al, JGR-B, 2021: "A modified Vegetation Photosynthesis and Respiration Model (VPRM) for the eastern USA and Canada, evaluated with comparison to...

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

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

This tabular data set represents NLCD 2001 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: Percent NLCD 2011 in 50 Meter Riparian Buffer

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

This tabular data set represents the percent of NLCD 2011 land cover classes in the 50 meter riparian buffer zones 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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Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated 30 Year, 1971-2000, Mean Annual Watershed Rainfall and Runoff factor ("R factor" of Universal Soil Loss Equation)

Organization: Department of the Interior
Updated: 20230802 | Harvested: July 18, 2025 at 08:35 AM

This data set represents the mean annual average for the Rainfall and Runoff factor ("R factor" of Universal Soil Loss Equation) for the period 1971-2000 compiled for two spatial components of 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 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: 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 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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Benign Zinc Oxide Betaine-Modified Biochar Nanocomposites for Phosphate Removal from Aqueous Water

Organization: U.S. Environmental Protection Agency
Updated: 2023-04-25 | Harvested: June 27, 2025 at 10:33 PM

XRD and TEM images. This dataset is associated with the following publication: Nakarmi, A., S. Bourdo, L. Ruhl, S.R. Kanel, M. Nadagouda, P. Kumar Alla, I. Pavel, and T. Viswanathan. Benign Zinc...

Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Topographic Wetness Index

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

This tabular data set represents average topgraphic wetness index 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 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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SAFARI 2000 Soil Types, 0.5-Deg Grid (Modified Zobler)

Organization: National Aeronautics and Space Administration
Updated: 2025-09-11 | Harvested: October 18, 2025 at 06:10 PM

The data set consists of a southern African subset of the "Global Soil Types, 0.5-Degree Grid (Modified Zobler)" data set. Data files are provided in ASCII GRID format. A global data set of soil...

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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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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