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  1. Water Mission Area National Spatial Data Infrastructure Datasets
  2. Sprague River Oregon Centerline Sycan 1968

Sprague River Oregon Centerline Sycan 1968

Dates

Release Date
2009-10-30
Time Period
1968
Publication Date

Citation

Haluska, T., 2009, Sprague River Oregon Centerline Sycan 1968: U.S. Geological Survey data release, https://doi.org/10.5066/P9HNV69F.

Summary

These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague [...]

Contacts

Point of Contact :
Tana Haluska, U.S. Geological Survey
Originator :
U.S. Geological Survey
Metadata Contact :
U.S. Geological Survey
SDC Data Owner :
Oregon Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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spragueriveroregon_centerline_sycan_1968.xml
Original FGDC Metadata
View 		17.4 KB application/fgdc+xml
SpragueRiverAnalysis.zip 30.8 MB application/zip
spragueriveroregon_centerline_sycan_1968.gif thumbnail 2.79 KB image/gif

Purpose

These data were created to support understanding of geomorphic conditions and historical changes to channel and floodplain conditions for the Sprague River and the lower portions of its major tributaries. GIS layers depicting channel centerlines, water features, fluvial bars, floodplain vegetation, and floodplain features such as irrigation canals, levees and dikes, and roads were created from aerial photographs dating from 1940, 1968, and 2000. The purpose of this mapping was to track changes in channel and floodplain morphology and vegetation over time and to measure changes in channel position. Historical aerial photographs from 1940 and 1968 were acquired, scanned, and rectified for this project, while digital orthophotographs from 2000 are publicly available. (See metadata for each photograph set for more information on the rectification process and resolution of each dataset). In addition, channel centerlines were mapped from publicly available coverages for 1975 (Natural Resources Conservation Service Soil Survey of Klamath County) and 2005 (U.S. Department of Agriculture NAIP imagery). The surficial geologic mapping was done to support understanding of the geologic context of the modern floodplain, and encompasses the alluvial valleys of the Sprague River and the lower portions of the Sycan, North Fork, and South Fork Sprague Rivers.
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Provenance

These data were originally released on the Water Mission Area National Spatial Data Infrastructure Node and were migrated to sciencebase.gov in 2023. These data were released prior to the October 1, 2016 effective date for the USGS's policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9HNV69F

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