Southwest Biological Science Center

Hydrology and Geomorphology

Filter Total Items: 26
Date published: December 6, 2016
Status: Active

Big Sagebrush Ecosystem Response to Climate & Disturbance

Big sagebrush ecosystems are a major component of landscapes in the western U.S. and provide vital habitat to a wide array of wildlife species.  However, big sagebrush ecosystems have been dramatically impacted by disturbances in the past several decades. This collaborative research between USGS and the University of Wyoming focuses on understanding how climatic and soil conditions influence...

Contacts: John B Bradford
Date published: December 5, 2016
Status: Active

Sediment Storage in the Colorado River

The sandbars exposed along the shoreline of the Colorado River represent only a small fraction of the sand deposits in Grand Canyon, most of which are on the bed of the river in eddies and the channel. Current management practice includes efforts to maintain and build sandbars by releasing high flows from Glen Canyon Dam that are timed to coincide with periods of fine-sediment supply from...