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Flood hazard and mitigation potential for irrigation ditches
Flood hazard and mitigation potential for irrigation ditches


 
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Product Code: OF2019-06
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Title: Flood hazard and mitigation potential for irrigation ditches

Author: Craig M. dePolo, Greg M. Pohll, Rosemary W.H. Carroll, Kathryn E. Ryan, Brandon P. Rasmussen, and Paul O. Malone
Year: 2019
Series: Open-File Report 2019-06
Version:
Format: 96 pages, color
Scale:

Irrigation ditches were generally designed to carry irrigation water, a steady flow along the ditch that is taken out at distribution point gates along the way. Urbanization around irrigation ditches changes the flood risk profile by increasing the consequences of flooding, increasing the number of tunnels and pipes along a ditch at road crossings, increasing the amount of storm water that can enter a ditch, and increasing the amount of debris in a ditch. One or more of these conditions can create the potential for damaging and/or dangerous flooding.

The ditch used for this study was the Steamboat irrigation ditch. We characterized the hydrologic setting of the ditch, historical flooding, conditions of the ditch, and potential downslope consequences to understand the causes and potential impacts of flooding.

SECTIONS
  • Executive Summary
  • Flooding from Irrigation Ditches in Reno, Nevada during the 2005 New Year’s Eve Flood
  • A Relative Risk Index for Prioritizing Mitigation Actions for Irrigation Ditches
APPENDICES
  • Appendix A: Assessment of Flood Risk for the Steamboat Ditch
  • Appendix B: Flooding Along Irrigation Ditches and Canals Section (from the State of Nevada Enhanced Hazard Mitigation Plan 2018)

These studies were supported by a grant from the Nevada Division of Emergency Management.

Suggested citation:
dePolo, C.M., Pohll, G.M., Carroll, R.W.H., Ryan, K.E., Rasmussen, B.P., and Malone, P.O., 2019, Flood hazard and mitigation potential for irrigation ditches: Nevada Bureau of Mines and Geology Open-File Report 19-6, 96 p.

© Copyright 2019 The University of Nevada, Reno. All Rights Reserved.

Original Product Code: OF196

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