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Brent Topping

Hydrologist

Contact Info


Publications

Topping, B.R. Kuwabara, J.S., Garrett, K.K., Takekawa, J.Y., Parchaso, F., Piotter, S., Clearwater, I., and Shellenbarger, G.G., 2013, Internal Nutrient Sources and Dissolved Nutrient Distributions in Alviso Salt Pond A3W, California: U.S. Geological Survey Open-file Report 2013-1128, 31 p. [Link]

Kuwabara, J.S., Topping, B.R., Carter, J.L., Wood, T.M., Parchaso, F., Cameron, J.M., Asbill, J.R., Carlson, R.A., and Fend, S.V., 2012, Time scales of change in chemical and biological parameters after engineered levee breaches adjacent to Upper Klamath and Agency Lakes, Oregon: U.S. Geological Survey Open-File Report 2012-1057, 42 p. [Link]

Kuwabara, J.S., Topping, B.R., Carter, J.L., Wood, T.M., Cameron, J.M., Asbill-Case, J.R., and Carlson, R.A., 2012, Changes in benthic nutrient sources within a wetland after hydrologic reconnection: Environmental Toxicology & Chemistry, v. 31, 1995-2013 [Link]

Kuwabara, James S.; Topping, Brent R.; Carter, James L.; Parchaso, Francis; Cameron, Jason M.; Asbill, Jessica R.; Fend, Steven V.; Duff, John H.; Engelstad, Anita C., 2010. The Transition of Benthic Nutrient Sources after Planned Levee Breaches Adjacent to Upper Klamath and Agency Lakes, Oregon. U.S. Geological Survey Open-File Report 2010-1062, Report: iv, 18 p.; tables; video file folder [Link]

Kuwabara, James S. ; Topping, Brent R. ; Parchaso, Francis ; Engelstad, Anita C. ; Greene, Valerie E. , 2009. Benthic flux of nutrients and trace metals in the northern component of San Francisco Bay, California. U.S. Geological Survey Open-File Report 2009-1286, iv, 26 p. [Link]

Topping, Brent R.; Kuwabara, James S.; Athearn, Nicole D.; Takekawa, John Y.; Parchaso, Francis; Henderson, Kathleen D.; Piotter, Sara, 2009. Benthic Oxygen Demand in Three Former Salt Ponds Adjacent to South San Francisco Bay, California. U.S. Geological Survey Open-File Report 2009-1180, iv, 21 p. [Link]

Kuwabara, J.S., Topping, B.R., Lynch, D.D., Carter, J.L., Essaid, H.I., 2009, Benthic nutrient sources to hypereutrophic Upper Klamath Lake, Oregon: Environmental Toxicology & Chemistry, v. 28, p. 516-524. [Link]

Alpers, C.N., Stewart, A.R., Saiki, M.K., Marvin-DiPasquale, M.C., Topping, B.R., Rider, K.M., Gallanthine, S.K., Kester, C.A., Rye, R.O., Antweiler, R.C., and De Wild, J.F., 2008, Environmental factors affecting mercury in Camp Far West Reservoir, 2001–03. U.S. Geological Survey Scientific Investigations Report 2006-5008, 358 p. [Link]

Kuwabara, James S.; Lynch, Dennis D.; Topping, Brent R.; Murphy, Fred; Carter, James L.; Simon, Nancy S.; Parchaso, Francis; Wood, Tamara M.; Lindenberg, Mary K.; Wiese, Katryn; Avanzino, Ronald J., 2007. Quantifying the Benthic Source of Nutrients to the Water Column of Upper Klamath Lake, Oregon. Geological Survey (U.S.) Open-File Report 2007-1276, 39 p. [Link]

Kuwabara, J.S., Arai, Yuji, Topping, B.R., Pickering, I. J., and George, G.N., 2007, Mercury speciation in piscivorous fish from mining-impacted reservoirs: Environment Science and Technology, v. 41, No. 8, p. 2745-2749. [Link]

Kuwabara, J.S., Topping, B.R., Woods, P.F., and Carter, J.L., 2007, Free zinc ion and dissolved orthophosphate effects on phytoplankton from Coeur d'Alene Lake, Idaho: Environment Science and Technology, v. 41, No. 8, p. 2811-2817. [Link]

Kuwabara, James S.; Topping, Brent R.; Woods, Paul F.; Carter, James L.; Hager, Stephen W., 2006. Interactive effects of dissolved zinc and orthophosphate on phytoplankton from Coeur d'Alene Lake, Idaho. Scientific Investigations Report 2006-5091, 47 p. [Link]

Kuwabara, James S.; Topping, Brent R.; Moon, Gerald E.; Husby, Peter; Lincoff, Andrew; Carter, James L.; Croteau, Marie-Noele, 2005. Mercury accumulation by lower trophic-level organisms in lentic systems within the Guadalupe River watershed, California. Scientific Investigations Report 2005-5037, 59 p. [Link]

Topping, Brent R.; Kuwabara, James S.; Marvin-DisPasquale, Mark C.; Agee, Jennifer L.; Kieu, Le H.; Flanders, John R.; Parchaso, Francis; Hager, Stephen W.; Lopez, Cary B.; Krabbenhoft, David P., 2004. Sediment remobilization of Mercury in South San Francisco Bay, California. Scientific Investigations Report 2004-5196, 59 p. [Link]

Croteau, M.-N., S.N. Luoma, C. B. Lopez & B.R. Topping. 2004. Stable metal isotopes reveal copper accumulation and loss dynamics in the freshwater bivalve Corbicula. Environ. Sci. Technol. 38: 5002-5009. [Link]

Kuwabara, James S.; Alpers, Charles N.; Marvin-Dipasquale, Mark; Topping, Brent R.; Carter, James L.; Stewart, A. Robin; Fend, Steven V.; Parchaso, Francis; Moon, Gerald E.; Krabbenhoft, David P., 2003. Sediment-water interactions affecting dissolved-mercury distributions in Camp Far West Reservoir, California. Water-Resources Investigations Report 2003-4140, 61 p. [Link]

Topping, B.R. and Kuwabara, J.S., 2003, Dissolved nickel and benthic flux in south San Francisco Bay: A potential for natural sources to dominate: Bulletin of Environmental Toxicology and Chemistry, v. 71, p. 46-51. [Link]

Kuwabara, J.S., Woods, P.F., Berelson, W.M., Balistrieri, L.S., Carter, J.L., Topping, B.R., Fend, S.V., 2003, Importance of sediment-water interactions in Coeur d’Alene Lake, Idaho: Management Implications: Environmental Management, v. 32, No. 3, p. 348-359. [Link]

Kuwabara, James S.; Marvin-Dipasquale, Mark; Praskins, Wayne; Byron, Earl; Topping, Brent R.; Carter, James L.; Fend, Steven V.; Parchaso, Francis; Krabbenhoft, David P.; Gustin, Mae S., 2002. Flux of Dissolved Forms of Mercury Across the Sediment-water Interface in Lahontan Reservoir, Nevada. U.S. Geological Survey, Water-Resources Investigations Report 2002-4138, 49 p. [Link]

Topping, B. R.; Kuwabara, J. S.; Parchaso, Francis; Hager, S. W.; Arnsberg, A. J.; Murphy, Fred, 2001. Benthic flux of dissolved nickel into the water column of south San Francisco Bay. Open-File Report 2001-89, 50 p. One CD-ROM. [Link]

Kuwabara, James S.; Berelson, William M.; Balistrieri, Laurie S.; Woods, Paul F.; Topping, Brent R.; Steding, Douglas J.; Krabbenhoft, David P., 2000. Benthic flux of metals and nutrients into the water column of Lake Coeur d'Alene, Idaho report of an August, 1999, pilot study. U.S. Geological Survey, Water-Resources Investigations Report 2000-4132, 1 computer optical disc :col. ;4 3/4 in. [Link]






                           

My Science Topics


Science Topic
Subtopic
Water Resourcesestuaries
Water Resourceslakes
Water Resourcessurface water
Water Resourcessurface water quality
Water Resourceswater properties
Water Resourceswater quality


Project Website

http://wwwrcamnl.wr.usgs.gov/solutetransport/index.htm


Contact Information

Brent Topping
345 MIDDLEFIELD ROAD, 345 Middlefield Road
Menlo Park, CA 94025
650-329-5527
650-329-4463 - Fax
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