Grand Canyon Monitoring and Research Center
Click image above to visit site
A Sand Budget for Marble Canyon, ArizonaRecent U.S. Geological Survey research is providing important insights into how best to monitor changes in the amount of tributary-derived sand stored on the bed of the Colorado River and in eddies in Marble Canyon, Arizona.
Native and Nonnative fish Populations are food LimitedFish population in the Colorado River downstream from Glen Canyon Dam appear to be limited by the availability of high-quality invertebrate prey.
Water temperatures in select nearshore environmentsWater releases from Glen Canyon Dam, Arizona, are the primary determinant of streamflow, sediment transport, water quality, and aquatic and riparian habitat availability in the Colorado River downstream of the dam in Grand Canyon.
Identification and Evaluation of Scientific UncertaintiesIdentifying areas of scientific uncertainty is a critical step in the adaptive management process (Walters, 1986; Runge and others, 2011a). Knowledge Assessment Workshops in May and July 2005.
Style: Graphical Version | Text Version
Policies and Notices