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WSP08749
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Last modified
1/26/2010 2:49:30 PM
Creation date
10/12/2006 3:14:47 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8272.500
Description
Colorado River Basin Salinity Control - Colo Dept of Public Health - WQCC and WQCD
Basin
Colorado Mainstem
Water Division
5
Date
11/14/1983
Title
Erosion and Sediment Yield - Channel Evaluation Workshop
Water Supply Pro - Doc Type
Report/Study
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<br /> <br /><. <br /> <br />I'\) <br />(,C <br />~ <br />t\;I <br /> <br />Streambank and Gully Erosion <br />Lateral <br />Recession <br />Rate Category <br />(ft/yr) <br /> <br />0.01.0.05 Slight <br /> <br />0.06.0.2 <br /> <br />Moderate <br /> <br />0.3-0.5 <br /> <br />Severe <br /> <br />0.5+ <br /> <br />Very Seyere <br /> <br />Description <br /> <br />Some ba re <br />appa rent, <br />overhang. <br /> <br />bank but active erosion not readily <br />Some rills ,but no vegetative <br />No exposed tree roots. <br /> <br />Bank is predominantly bare with some rills and <br />vegetative oyerhang. Some exposed tree roots <br />but no slumps or slips. <br /> <br />Bank is bare with rills and severe vegetative <br />oyerhang. Many exposed tree roots and some <br />fallen trees and slumps or slips. Some changes <br />in cultural features such as fence corners <br />missing and realignment of roads and trails. <br />Channel cross-section becomes more U-shaped as <br />opposed to V-shaped. <br /> <br />Bank is bare with gullies and severe vegetative <br />overhang. Many fallen trees. drains and <br />culverts eroding out and changes in cultural <br />features as above. Massive slips or washouts <br />common. Channel cross-section is U-shaped and <br />stream course or gully may be meandering. <br /> <br />22 <br />
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