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Geomorphic attributes of campsites adjacent to the Colorado River in Grand Canyon, AZ

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 08:56 PM | Dataset Last Updated: August 20, 2024 at 12:00 AM
This dataset represents 505 campsites along the Colorado River in Grand Canyon with associated debris flow probabilities calculated for approximately a 100-year period (Griffiths and others, 2004) and geomorphic attributes mapped by the U.S. Geological Survey, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center (GCMRC) (Hadley and others, 2018). The campsite polygons were developed as part of a master campsite database that was a collaborative effort to maintain between the National Park Service in Grand Canyon National Park and the GCMRC. Debris flow probabilities have been added as an attribute from ungauged tributary watersheds published in 2004 (Griffiths and others, 2004). Area and percentages of campsites on geomorphic units comprising debris fans were calculated based on a pre-existing geomorphic basemap (Hadley and others, 2018). Due to ongoing environmental variability, geomorphic change, and sediment storage fluctuation in the river corridor, campsite boundary and attribute accuracy may change over time.

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