Little Snake River and Tributaries, Colorado, 1999 – 2001
Assessed, designed, and implemented 21 miles of river restoration on the Little Snake River and tributaries to improve geomorphic and ecological functioning in addition to creating habitat diversity with in-channel and off-channel features. Monitored for five years by Colorado State University.
A multi-step Cross-Vane diversion implemented on the Middle Fork of Little Snake River.
Step-Pool outflow channel below oxbow .
Water feature.
Oxbow created to enhance habitat.
BEFORE RESTORATION: Roaring Fork of Little Snake River prior to restoration showing entrenched F4 stream type with eroding banks.
AFTER RESTORATION: Roaring Fork of Little Snake River post-restoration showing constructed stream with transplanted vegetation.
BEFORE RESTORATION: Roaring Fork of Little Snake River prior to restoration showing entrenched F4 stream type with eroding banks.
AFTER RESTORATION: Roaring Fork of Little Snake River post-restoration showing constructed B4 stream type with log and rock step-pool structures.
BEFORE RESTORATION: Middle Fork of Little Snake River prior to restoration.
AFTER RESTORATION: Middle Fork of Little Snake River post-restoration showing reconstructed floodplain and J-Hook Vane structure.
BEFORE RESTORATION: Roaring Fork of Little Snake River prior to restoration.
AFTER RESTORATION: Roaring Fork of Little Snake River post-restoration showing constructed log and rock step-pool structures.
About Dave Rosgen, P.H., Ph.D.
Dave is a Professional Hydrologist and Geomorphologist with field experience in river work spanning 49 years, 20 of which were with the U.S. Forest Service. Dave has designed and implemented over 70 large-scale river restoration projects. Dave developed a stream classification system, the BANCS streambank erosion model, the FLOWSED/POWERSED sediment transport models, the WARSSS methodology for cumulative...
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