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Supporting Spatial Data for Sediment Studies in the Bogachiel and Calawah River Watersheds, Washington

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2023-02-13T00:00:00Z
This Data Release provides spatial data to support analysis of land cover change and channel width change in the Bogachiel and Calawah River basins, Washington. This supports a larger analysis that quantifies suspended-sediment yields for the two basins for water years 1977-1978 and more recently, for water years 2019-2021. Collectively the study evaluates influences of hydrology, geology, fire, and land cover change on suspended-sediment yields. Data Release Directory Structure: \Bogachiel_Calawah_Imagery.zip \Bogachiel_Calawah_Imagery.xml: metadata file to describe all imagery files in this folder \1939_mosaic.tif \1952_mosaic.tif \1955_mosaic.tif \1977_mosaic.tif \1990_mosaic.tif \1939_1_manual_georef.tif \1939_2_manual_georef.tif \1939_3_manual_georef.tif \1939_4_manual_georef.tif \1939_5_manual_georef.tif \1939_6_manual_georef.tif \1939_7_manual_georef.tif \1939_8_manual_georef.tif \ActiveChannel_Centerlines_ClearedAreas.zip: data and metadata for digitized active channel, centerlines, and cleared areas for 1939, 1952, 1955, 1977, 1990, 2006, and 2017 for the Bogachiel and Calawah Rivers. \Active_channel.shp \Active_channel.xml \Centerlines.shp \Centerlines.xml \ClearedAreas.shp \ClearedAreas.xml \ForksFire.zip: data and metadata for 1951 Great Forks Fire \1951_GreatForks_Fire.shp \1951_GreatForks_Fire.xml \DigitizedSubreaches.zip: data and metadata for digitized active channels and centerlines for select subreaches in the Bogachiel and Calawah Rivers by four individual digitizers for 1939, 1952, 1955, 1977, 1990, 2006, and 2017. \AC_Digitized_Subreaches.shp \AC_Digitized_Subreaches.xml \CL_Digitized_Subreaches.shp \CL_Digitized_Subreaches.xml Anderson, SW, Jaeger, KL, Rasmussen, N, Seguin, CM, Wilkerson, OA, and Curran, CA, 2022, Suspended-Sediment Data for the Bogachiel and Calawah Rivers, WA for Water Years 2019-2021: U.S. Geological Survey Data Release, https://doi.org/10.5066/P9YT9CN2.

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