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River Channel Survey Data, Redwood Creek, California, 1953-2013

Dates

Publication Date
Start Date
1953
End Date
2013

Citation

Madej, M.A., Ozaki, V., Truesdell, R., Falvo, C.I.P, Enns, K.D., Bell, T.M., Everette, A.L., and Faundeen, J.F., 2018, River Channel Survey Data, Redwood Creek, California, 1953-2013: U.S. Geological Survey data release, https://doi.org/10.5066/P9G0N0TN.

Summary

Dr. Richard Janda of the USGS began a channel monitoring program in Redwood Creek in northern coastal California in 1973. The USGS continued this work through 2013, when the Research Geologist, Dr. Mary Madej retired. This effort produced 40 years of channel change data in rivers that were disrupted by severe erosion following timber harvest of old-growth redwood forests, a portion of the program's data (plus 1953 data) has been preserved in this data release. Original field surveys documented bank erosion, aggradation, and degradation at 60 cross-sectional transects at annual or biannual timesteps. Three river reaches also have long-term longitudinal channel bed surveys which document the distribution and development of pool channel [...]

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Supplements.zip
“Supplemental Materials”
399.94 KB application/zip
Shapefile: RWC_Cross-Section_Locations.zip
RWC_Cross-Section_Locations.cpg 5 Bytes
RWC_Cross-Section_Locations.dbf 20.59 KB
RWC_Cross-Section_Locations.prj 167 Bytes
RWC_Cross-Section_Locations.sbn 740 Bytes
RWC_Cross-Section_Locations.sbx 148 Bytes
RWC_Cross-Section_Locations.shp 1.77 KB
RWC_Cross-Section_Locations.shx 588 Bytes

Purpose

Under the federal Clean Water Act of 1972, many rivers in the United States have been designated as "sediment-impaired" because the level of sediment in the river impacts beneficial uses, such as cold freshwater and estuarine habitats. In northern California about 60% of the region drains to rivers and streams that are considered sediment impaired. Land use disturbances, primarily timber harvest and road construction, have caused accelerated erosion on these steep forested hillslopes and the resulting loss of soil diminishes on-site productivity. The excess sedimentation in many northern coastal rivers also results in destruction of pool habitat and spawning gravel quality and has led to several types of salmonids being listed as threatened or endangered. This effort is a rare example of long-term monitoring of channel changes due to land use disturbances and subsequent watershed restoration efforts. River channel assessment consists of evaluation of channel stability (bank erosion, scour and fill, pool formation, and channel shifting) in streams and rivers. These data sets can be used to understand future river changes and provides an excellent baseline for incorporating climate change into channel morphologic studies. Studies of river changes in other regions can use this data set to compare channel response under different climatic and geologic conditions.

Rights

Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty.

Additional Information

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9G0N0TN

Citation Extension

citationTypeData Release

Shapefile Extension

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