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Mary Hennessey Nichols

Research Hydraulic Engineer


Mary Nichols

Mary H. Nichols is a Research Hydraulic Engineer with the USDA-Agricultural Research Service in Tucson, AZ (since 1991). She has a Ph. D. in Engineering from New Mexico State University. Her research interests include rangeland soil and water conservation practices and their legacy effects on landscapes, the use of high resolution photography in natural resource management, and dryland fluvial geomorphology and landscape evolution. 

Current projects include watershed restoration using low-tech rock check dams, quantifying rangeland watershed sediment yields, documenting and interpreting gullies and channel evolution in semiarid watersheds, and the use of ground based lidar for quantifying surface soil erosion processes.