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U.S. Geological Survey Open-File Report 2009-1098

In cooperation with Utah State University and Northern Arizona University

2007 Weather and Aeolian Sand-Transport Data from the Colorado River Corridor, Grand Canyon, Arizona

By Amy E. Draut, Timothy Andrews, Helen C. Fairley, and Christopher R. Brown

2009

Abstract

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Weather data constitute an integral part of ecosystem monitoring in the Colorado River corridor and are particularly valuable for understanding processes of landscape change that contribute to the stability of archeological sites. Data collected in 2007 are reported from nine weather stations in the Colorado River corridor through Grand Canyon, Ariz. The stations were deployed in February and March 2007 to measure wind speed and direction, rainfall, air temperature, relative humidity, and barometric pressure. Sand traps near each weather station collect windblown sand, from which daily aeolian sand-transport rates are calculated. The data reported here were collected as part of an ongoing study to test and evaluate methods for quantifying processes that affect the physical integrity of archeological sites along the river corridor; as such, these data can be used to identify rainfall events capable of causing gully incision and to predict likely transport pathways for aeolian sand, two landscape processes integral to the preservation of archeological sites. Weather data also have widespread applications to other studies of physical, cultural, and biological resources in Grand Canyon. Aeolian sand-transport data reported here, collected in the year before the March 2008 High-Flow Experiment (HFE) at Glen Canyon Dam, represent baseline data against which the effects of the 2008 HFE on windblown sand will be compared in future reports.

Version 1.0

First posted May 13, 2009


This report is available only on the Web


For additional information contact:
Amy Draut

Grand Canyon Monitoring and Research Center

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Suggested citation:

Draut, A.E., Andrews, T., Fairley, H.C., and Brown, C.R., 2009, 2007 Weather and aeolian sand-transport data from the Colorado River corridor, Grand Canyon, Arizona: U.S. Geological Survey Open-File Report 2009-1098, 110 p. [https://pubs.usgs.gov/of/2009/1098/].



Contents

Abstract

Introduction

Methods

Results and Discussion

Conclusions

Acknowledgments

References Cited


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