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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

Dates

Publication Date
Time Period
1997

Citation

Wieczorek, M.E., Jackson, S.E., and Schwarz, G.E., 2018, Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 4.0, August 2023): U.S. Geological Survey data release, https://doi.org/10.5066/F7765D7V.

Summary

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) individual reach catchments and 2) reach catchments accumulated upstream through the river network. The source data is found in the LAYER table from the "STATSGO soil characteristics for the conterminous United States" produced by the United States Geological Survey (Wolock, 1997). The variables included are water-table depth, soil erodibility (k-fact), soil erodibility for the uppermost soil horizon (k-factup), permeability, average water capacity, bulk density, percent organic material, rainfall and runoff factor ("R factor" of Universal Soil [...]

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Attached Files

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5728decfe4b0b13d3918a9aa_acc.parquet 55.6 MB application/octet-stream
5728decfe4b0b13d3918a9aa_cat.parquet 52.42 MB application/octet-stream
5728decfe4b0b13d3918a9aa_tot.parquet 55.52 MB application/octet-stream
NHDV2_STATSGO_LAYER_CONUS.xml
Original FGDC Metadata

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39.31 KB application/fgdc+xml
STATSGO_LAYER_ACC_CONUS.zip 46.02 MB application/zip
STATSGO_LAYER_CAT_CONUS.zip 39.8 MB application/zip
STATSGO_LAYER_TOT_CONUS.zip 45.7 MB application/zip

Purpose

This data set was created by the U.S. Geological Survey's (USGS) National Water-Quality Assessment Project (NAWQA) which is part of the USGS National Water Quality Program (NWQP). This effort was undertaken to estimate soil attributes for NHDPlusV2 flowline catchments and upstream river networks to support statistical analysis, map display, and model parameterization.

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