Dr. Mary Hennessey Nichols, Research Hydraulic Engineer

USDA Southwest Watershed Research Center, 2000 E. Allen Rd., Tucson, Az. 85719

Phone: 520-647-9062, email: mary.nichols@ars.usda.gov

 

Education:      Ph.D., Engineering, 1999, New Mexico State University, Las Cruces, NM

                        M.S., Forestry, 1989, University of Maine, Orono, ME

                        B.S., Forest Engineering, 1987, Oregon State University, Corvallis, OR

                        A.A.S., Pre-Professional Forestry, 1984, Paul Smith’s College, Paul Smiths, NY

 

Employment: 

2001-present:   Scientist, USDA Southwest Watershed Research Center, Tucson, AZ

2005-present:   Adjunct Professor, U.A. Dept. of Ag and Biosystems Engineering, Tucson, Az.

1992-2001:      Hydraulic Engineer, USDA Southwest Watershed Research Center, Tucson, AZ

 

Research Interest:  Research is focused on erosion and sedimentation processes in arid and semiarid regions with emphasis on technologies for soil and water conservation and rangeland management.

 

Professional Service:

Member: Society for Range Management (SRM)

Member: Soil and Water Conservation Society (SWCS)

Member: Malpai Borderlands Group Science Advisory Board, Upper Eagle Creek Watershed Association Science Advisory Board

Fellow: Fine Outreach for Science

 

Recent Publications (full list and pdf available at http://www.tucson.ars.ag.gov/unit/Publications):

 

Nichols, M.H., Ruyle, G.B., Nourbakhsh, I.R. 2009. Very High Resolution Panoramic Photography to Improve Conventional Rangeland Monitoring. Rangeland Ecology and Management. 62:579–582

 

Nichols, M.H., Anson, E.A. 2008. Southwest Watershed Research Center Data Access Project. Water Resources Research. Vol. 44, W05S03, doi:10.1029/2006WR005665

Stone, J.J., Nichols, M.H., Goodrich, D.C., Buono, J. 2008. Long-term runoff database, Walnut Gulch Experimental Watershed, Arizona, United States. Water Resources Research, Vol. 44, W05S05, doi:10.1029/2006WR005733

 

Nichols, M.H., Stone, J.J., Nearing, M.A. 2008. Sediment database, Walnut Gulch Experimental Watershed, Arizona, United States United States. Water Resources Research. Vol. 44, W05S06, doi:10.1029/2006WR005682

 

Nichols, M.H. 2006. Measured sediment yield rates from semiarid rangeland watersheds. Rangeland Ecol. and Manage. 59(1):55-62.

 

Nearing, M.A., Nichols, M.H., Kimoto, A., Ritchie, J.C. 2005. Spatial patterns of soil erosion and deposition in two small, semiarid watersheds. J. Geophys. Res., 110, F04020, doi:10.1029/2005JF000290

 

Nichols, M.H. 2004. A radio frequency identification system for monitoring coarse sediment particle displacement. ASAE Applied Engr. in Agric. 20(6):783-787

 

Nichols, M.H., Renard, K.G., Osborn, H.B. 2002. Precipitation changes from 1956-1996 on the Walnut Gulch Experimental Watershed. J. Am. Water Resources Assoc. 38(1):161-172