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USGS NRP Tucson: Sediment Impacts from Disturbed and Undisturbed Lands

The Vigil Network: Yalobusha River

The Vigil Network: Yalobusha River
Site Summary

General Information

Site Name: Yalobusha River
Location: Grenada, Calhoun, Chickasaw Counties, Mississippi USA
Principal Investigator: S.C. Happ
Address: U.S.D.A. Sedimentation Lab, Oxford, Mississippi USA
Date of Site Establishment and/or Field Measurements: 1940
Original Date of Submission to the Vigil Network: 3 August 1970

Location at Lower End of Basin

Latitude: 33°47'00" N
Longitude: 89°59'00" W

Purposes

(ranked in order of importance)

  1. Sedimentation
  2. Channel Change
  3. Erosion

Site Information

Annual precipitation: 1340 mm
Elevation: 41.1 m
Relief: 173.3 m
Drainage area: 4439.3 km2
Geology: Coastal plain sand and clay; surficial loess.
Hydrology: +/- 500 mm runoff
Vegetation: Hardwoods, Scattered Farmlands
Photography: High altitude aerial
U.S.G.S. 7.5 minute maps: Big Creek, MISS; Calhoun, MISS; Gore Springs, MISS; Holcomb, MISS

Stream Channels

Channel cross sections: 9

Miscellaneous

Other: Valley Sections: 11
Note: Four sections now within Grenada Reservoir. Other sections in tributaries also other sections established by Army Engineers.

Additional Data

Additional data collected but not submitted with this file: Sheet of valley cross-sections filed in MA-1412.

For information on how to obtain USGS topographic maps of this study site, please visit the USGS Maps, Imagery and Publicatinos page at http://www.usgs.gov/pubprod/.

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