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<br />NAU Sand Bar Studies
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<br />Final Report
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<br />ACKNOWLEDGMENTS
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<br />This work was funded by the Grand Canyon Monitoring and Research Center (GCMRC) with
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<br />the cooperation of Grand Canyon National Park, This report integrates data sets collected by
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<br />researchers at Northern Arizona University (NAU), the U,S, Geological Survey (USGS) and the
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<br />GCMRC survey staff, As a result of this data integration, other researchers that participated in the
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<br />data collection mayor may not concur with the interpretations in this report, which are solely the
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<br />responsibility of the authors, A key contribution was the hydrographic data collected by Mark
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<br />Gonzales, GCMRC survey staff, that enabled us to track the Paria River sediment inputs in August
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<br />and September 1997, Bill Vernieu provided discharge data, David Topping provided 1997 gaging
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<br />station data collected by USGS Arizona District personnel and model estimates of Faria River sand
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<br />inputs, David Topping, Jack Schmidt, Steve Wiele, Ted Melis, and Jenn Martin sampled the
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<br />deposits of the ]997 Test F]ow, David Topping provided grain size analyses of the samples, We
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<br />greatly appreciate the enthusiasm and effort of all the Namdors, particularly Greg Spoonenburgh and
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<br />Eric Kellerup, in namming the field sites, We thank the many professional river guides that assisted
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<br />in this study, particularly Steve Bledsoe, Brian Dierker, Billy Ellwanger, Lars Neimi, Kelly Smith,
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<br />and Peter Weiss, We also thank Jim Bennet, David Topping, Jack Sclunidt, Ted Melis and one
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<br />anonymous reviewer for their extremely helpful and constructive' comments,
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