OHSU

Richard Johnson

Richard Johnson
Professor
Institute of Environmental Health; Division of Environmental and Biomolecular Systems
Office: Hatfield Research Center, 3rd floor, Room 358
Phone: 503-346-3432
Email:
Website: Center for Groundwater Research

Education

B.S., Chemistry, University of Washington, 1973
M.S., Environmental Science, Oregon Graduate Center, 1981
Ph.D., Environmental Science, Oregon Graduate Center, 1985


Research Interests

Physical and chemical behavior of organic contaminants in the air, soil, and water; analytical organic chemistry; groundwater transport, fate, and modeling of contaminants in porous and fractured porous media.


Selected Publications


Richard L. Johnson; James T. Nurmi; Graham S. O'Brien Johnson; Dimin Fan; Reid L. O'Brien Johnson; Zhenqing Shi; Alexandra J. Salter-Blanc; Paul G. Tratnyek; Gregory V. Lowry
Field-scale transport and transformation of carboxymethylcellulose- stabilized nano zero-valent iron
Environmental Science and Technology. 2013;47(3):1573-1580.

Richard L. Johnson; Christina N. Brow; Reid O'Brien Johnson; Holly M. Simon
Cryogenic core collection and preservation of subsurface samples for biomolecular analysis
Groundwater Monitoring and Remediation. 2013;33(2):38-43.

Dean P. Moberg; Richard L. Johnson; Dan M. Sullivan
Comparison of Disturbed and Undisturbed Soil Core Methods to Estimate Nitrogen-Mineralization Rates in Manured Agricultural Soils
Communications in Soil Science and Plant Analysis. 2013;44(11):1722-1732.

Christina N. Brow; Reid O'Brien Johnson; Richard L. Johnson; Holly M. Simon
Assessment of anaerobic toluene biodegradation activity by bssA transcript/gene ratios
Applied and Environmental Microbiology. 2013;79(17):5338-5344.

Magdalena M. Krol; Kevin G. Mumford; Richard L. Johnson; Brent E. Sleep
Modeling discrete gas bubble formation and mobilization during subsurface heating of contaminated zones
Advances in Water Resources. 2011;34(4):537-549.

R.L. Johnson; B.R. Clark; M.K. Landon; L.J. Kauffman; S.M. Eberts
Modeling the potential impact of seasonal and inactive Multi-Aquifer wells on contaminant movement to public Water-Supply wells
Journal of the American Water Resources Association. 2011;47(3):588-596.

M.M. Krol; B.E. Sleep; R.L. Johnson
Impact of low-temperature electrical resistance heating on subsurface flow and transport
Water Resources Research. 2011;47(5):[W05546].

Vaishnavi Sarathy; Alexandra J. Salter; James T. Nurmi; Graham O'Brien Johnson; Richard L. Johnson; Paul G. Tratnyek
Degradation of 1,2,3-Trichloropropane (TCP): Hydrolysis, elimination, and reduction by iron and zinc
Environmental Science and Technology. 2010;44(2):787-793.

Christina N. Brow; Reid O'Brien Johnson; Mouzhong Xu; Richard L. Johnson; Holly M. Simon
Effects of cryogenic preservation and storage on the molecular characteristics of microorganisms in sediments
Environmental Science and Technology. 2010;44(21):8243-8247.

Richard L. Johnson; Graham O'Brien Johnson; James T. Nurmi; Paul G. Tratnyek
Natural organic matter enhanced mobility of nano zerovalent iron
Environmental Science and Technology. 2009;43(14):5455-5460.

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