Dam Breaks and Alluvial Cycles, Pleasant Valley ... - NORFMA

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- Unable to farm Displacement of People - Relocate or switch to ranching - Infrastructure damage - Small towns destroyed or abandoned in Southwest (Vogt 2003) - Prehistoric arroyo incision may have forced the Anasazi to abandon settlements in southern Utah and northern Arizona (Hereford 1995) Ranch buildings separated by Johnson Creek arroyo, 2007.
Corrective Treatment Expense - Mitigation dates to Civilian Conservation Corps projects in 1930s. - Mitigation measures such as tree planting and control structures are costly. - U.S. Army expends hundreds of thousands of dollars on erosion control structures, habitat restoration, and training safety measures. Selah Creek gabion during flood, 1996. Selah Creek gabion collapse during flood, 1999.
Page 1 and 2: Dam Breaks and Alluvial Cycles Plea
Page 3 and 4: U.S. Army - Yakima Training Center
Page 5 and 6: How did I end here speaking about S
Page 7 and 8: Project Guidance and Assistance The
Page 9 and 10: - Spanish for brook. - Steep-walled
Page 11 and 12: Arroyo Evolution Model Model of arr
Page 13 and 14: Arroyo Research - Recent arroyo and
Page 15 and 16: Ecohydrological Implications - Sepa
Page 17: Land Use Implications Create Barrie
Page 21 and 22: - Largest flood in U.S. for drainag
Page 23 and 24: Rio Puerco River, New Mexico Voght
Page 25 and 26: Study Area Yakima Training Center,
Page 28: Study Area Hydrology & Geomorpholog
Page 31 and 32: Selah Creek Upstream of Pleasant Va
Page 33 and 34: Anthropogenic Land Use & Impacts
Page 35 and 36: Euro-American Settlement Began ~187
Page 37 and 38: Pleasant Valley Dam Construction, S
Page 39 and 40: Simulated Bathymetry of Pleasant Va
Page 42 and 43: January 21, 1909 Yakima Morning Her
Page 44 and 45: Pleasant Valley Dam Failure Februar
Page 46 and 47: Break in dam, photo undated (Lince
Page 48 and 49: 1908 2009
Page 50 and 51: Thesis Project Hypothesis Paleo-arr
Page 52 and 53: Why Selah Creek for Paleo-Arroyos?
Page 54 and 55: Project Fogoil Alluvial Chronology
Page 56 and 57: Challenges & Considerations - Collu
Page 58 and 59: Bank Swallow Site Paleo-arroyo 21+
Page 60 and 61: Tributary Site A 2 m wide, 4 m deep
Page 62 and 63: Change in base level the primary ca
Page 64 and 65: - Much to do for a dry creek bed. C

Dam Breaks and Alluvial Cycles, Pleasant Valley ... - NORFMA

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