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

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- Developed throughout western United States, especially the Southwest. - Many current arroyos incised during the late 1800s <strong>and</strong> early 1900s. - Semi-arid regions: - Incomplete vegetation cover - Sufficient water to move surface materials. Arroyo Distribution http://www.cpluhna.nau.edu/Change/arroyos3.htm
Arroyo Research - Recent arroyo <strong>and</strong> paleo-arroyos both studied extensively in Southwest USA. - Phenomenon still not well understood. - Debate about natural processes vs. anthropogenic impacts. - Limited research of current arroyos in Pacific Northwest. - Little to no research of paleo-arroyos in Pacific Northwest. (focus of my research) Cooper Brossy
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: Arroyo Evolution Model Model of arr
Page 15 and 16: Ecohydrological Implications - Sepa
Page 17 and 18: Land Use Implications Create Barrie
Page 19 and 20: Corrective Treatment Expense - Miti
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
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Dam Breaks and Alluvial Cycles, Pleasant Valley ... - NORFMA

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