Flagstaff area stream flow and rainfall - 2008-2019. Appendix C


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Created: Apr 20, 2021 at 5:18 a.m.
Last updated: Apr 21, 2021 at 7:26 p.m.
DOI: 10.4211/hs.4d2fbd3398fd4dc7858f935106088ae5
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Abstract

This is Appendix C to the Flagstaff area stream flow 2008-2019 technical report. This appendix provides raw data on rainfall.

Flagstaff, Arizona has unique surface water hydrology due to climate, geology, and vegetation. The area experiences extremely low rainfall-runoff in natural undisturbed areas. This “complacent” watershed condition leads to dramatic shifts in flow and flooding when disturbances such as urbanization, wildfire, or even forest thinning are introduced to the landscape. Using 57 stream and rain gauges this report provides preliminary data to inform managers, engineers, and scientists on both the complacent and “violent” watershed characteristics of the Flagstaff area. This is the first regional surface water hydrology report since the 1988 US Geological Survey report on flood frequency in the Flagstaff area. Preliminary results indicate that previous flood frequency analyses provide a much higher predicted flood flow than empirical gauge results have observed. In some sites the over-prediction of regional regressions is over twice observed values. The hope is that this preliminary report will provide a “stepping stone” towards a greater understanding of the hydrologic drivers and stream character of the area. More data, over a longer time period, is required for making defensible predictions of rainfall-runoff, flood frequency, and flood mitigation design in the Flagstaff area.

Subject Keywords

Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Flagstaff, Arizona
North Latitude
35.5169°
East Longitude
-111.3453°
South Latitude
34.9696°
West Longitude
-111.8726°

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Title Owners Sharing Status My Permission
Flagstaff area stream flow and rainfall - 2008-2019 Edward Schenk  Public &  Shareable Open Access

How to Cite

Schenk, E., E. Schiefer, E. Young, C. Helton (2021). Flagstaff area stream flow and rainfall - 2008-2019. Appendix C, HydroShare, https://doi.org/10.4211/hs.4d2fbd3398fd4dc7858f935106088ae5

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/
CC-BY

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