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The Restoration of Coldwater Fork Using the Reference Reach Approach
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 701P0904, . (doi: 10.13031/2013.17409)
Authors: J. George Athanasakes, and Michael F. Adams, Jr.
Keywords: Natural channel design, dimensionless ratios, reference reach, sediment transport competency equations.
A coal slurry release from the Big Branch Slurry Impoundment on October 11, 2000 resulted in the flow of approximately 300 million gallons of slurry into the Coldwater Fork watershed. Emergency response to this spill required pumping of slurry and the use of excavators. Efforts were made to maintain the pre-spill channel configuration of Coldwater Fork during the clean up; however, portions of the creek were realigned. Since the slurry release, significant portions of Coldwater Fork have exhibited recovery including the reestablishment of pools and riffles, gravel substrate and macroinvertebrates. At the downstream limits of the project, a series of head-cuts formed which threatened to destabilize recovering portions of the creek. A head-cut also formed near the confluence with Lynn Bark Branch.