Publication Date


Document Type


Streaming Media


Perceptions of river health are influenced by expectations regarding the appearance of a natural river, but appearance depends on geomorphic context and river history. I examine how physical complexity – messiness – influences river health, how human activities simplify rivers and compromise river health, and how we can restore complexity and ecosystem services provided by rivers.

Wohl is a Fellow of both the Geological Society of America and the American Geophysical Union and has received many awards, including the Gladys W. Cole Memorial Award from the Geological Society of America, the Kirk Bryan Award from the Geological Society of America, the G.K. Gilbert Award from the Association of American Geographers, and the Award for Outstanding Contributions to Interdisciplinary Water Education, Research.