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Cynthia Brown

Assistant Branch Chief

Contact Info


Short Biography

I have a BS in Environmental and Systematic Biology from Cal Poly, San Luis Obispo, CA and a MS in Geology from San Jose State University, CA.  I started with the USGS as a geology student in 1984 crushing rocks and using U/Pb dating techniques with zircons and feldspars in the Branch of Isotope Geology.  I moved to the National Research Program in Water in 1990.  My research focused on the fate, transport and effects of inorganic contaminants in aquatic ecosystems.  I currently serve as assistant Branch Chief of the Western Branch of the National Research Program.





Publications

Flegal, A.R., Brown, C.L., Squire, S., Ross, J.R.M., Scelfo, G., and Hibdon, S., 2007. Spatial and temporal variations in silver contamination and toxicity in San Francisco Bay. Environmental Research. Vol. 105, pp. 34-52

Thompson, B., Adelsbach, T., Brown, C., Hunt, J., Kuwabara, J., Neale, J., Ohlendorf, H., Schwarzbach, S., Spies, R., and Taberski, K., 2007. Biological effects of anthropogenic contaminants in the San Francisco Estuary. Environmental Research. Vol. 105, pp. 156-174

Brown, C.L., Luoma, S.N., Parchaso, F., and Thompson, J.K., 2004. Lessons learned about metals in the estuary: The importance of long-term clam accumulation data. In San Francisco Estuary Institute (SFEI). 2004. The Pulse of the Estuary: Monitoring and Managing Water Quality in the San Francisco Estuary. SFEI Contribution 78. San Francisco Estuary Institute, Oakland, CA. pp. 38-45.

Brown, C.L., Parchaso, F., Thompson, J.K., and Luoma, S.N., 2003, Assessing Toxicant Effects in a complex estuary: A case study of effects of silver on reproduction in the bivalve, Potamocorbula amurensis, in San Francisco Bay. Human and Ecological Risk Assessment. Vol. 9, No. 1, pp. 95-119

Hornberger, M.I., Luoma, S.N., Cain, D.J., Parchaso, F., Brown, C.L., Bouse, R.M., Wellise, C., and Thompson, J.K., 2000, Bioaccumulation of metals by the bivalve Macoma balthica at a site in South San Francisco Bay between 1977 and 1997: Long-term trends and associated biological effects with changing pollutant loadings. USGS Open File Report. 99-55.

Hornberger, M.I., Luoma, S.N., Cain, D.J., Parchaso, F., Brown, C.L., Bouse, R.M., Wellise, C., and Thompson, J.K., 2000, Linkage of bioaccumulation and biological effects to changes in pollutant loads in South San Francisco Bay. Environmental Science and Technology. Vol. 34, pp. 2401-2409.

Lee, J.-S., Lee, B.-G., Luoma, S.N., Choi, H.J., Koh, C.-H., and Brown, C.L., 2000, Influence of acid volatile sulfides and metal concentration on metal partitioning in contaminated sediments. Environmental Science and Technology. Vol. 34, pp. 4511-4516.

Teh, S.J., Clark, S.L., Brown, C.L., Luoma, S.N., and Hinton, D.E., 1999, Enzymatic and histopathologic biomarkers as indicators of contaminant exposure and effect in Asian clam (Potamocorbula amurensis). Biomarkers. Vol. 4, No. 6, pp. 497-509.

Brown, C.L. and Luoma, S.N., 1999, Metal trends and effects in Potamocorbula amurensis in North San Francisco Bay. U.S. Geological Survey Toxic Substances Hydrology Program – Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999, Water-Resources Investigations Report 99-4018B, pp. 17-21

Brown, C.L. and Luoma, S.N., 1998, Metal trends and effects in Potamocorbula amurensis in North San Francisco Bay. Interagency Ecological Program Newsletter. Vol. 11, No. 2, pp. 33-35.

Parchaso, F., Brown, C.L., Thompson, J.K., and Luoma, S.N., 1997, In situ effects of trace contaminants on the ecosystem in the San Francisco Bay estuary, 1995: The necessary link to establishing water quality standards II. U.S. Geological Survey Open File Report 97-420.

Thompson, J.K., Parchaso, F., Brown, C.L., and Luoma, S.N., 1996, In situ ecosystem effects of trace contaminants in the San Francisco Bay estuary: The necessary link to establishing water quality standards. U.S. Geological Survey Open File Report 96-437.

Luoma, S.N., Cain, D.J., Brown, C.L., Hornberger, M.I., and Bouse, R.M., 1995, Near field receiving water monitoring of trace metals in clams (Macoma balthica) and sediments near the Palo Alto and San Jose/Sunnyvale water quality control plants in South San Francisco Bay: June 1993 through October 1994. U.S. Geological Survey Open File Report 95-299.

Brown, C.L. and Luoma, S.N., 1995a, Energy-related selenium and vanadium contamination in San Francisco Bay: Effects on biological resources? in Carter, L.M.H., ed., Energy and the Environment - Application of Geosciences to Decision - Making. Program and short papers, Tenth Annual McKelvey Forum on Mineral and Energy Resources, February 13 - 16, 1995, Washington D.C., U.S. Geological Survey Circular 1108, pp. 91-92

Brown, C.L. and Luoma, S.N., 1995b, Use of the euryhaline bivalve Potamocorbula amurensis as a biosentinel species to assess trace metal contamination in San Francisco Bay. Marine Ecology Progress Series. Vol. 124, No. 1-3, pp. 129-142

Luoma, S.N., Cain, D.J., and Brown, C.L., 1992, Trace metals in clams (Macoma balthica) and sediments at the Palo Alto mudflat in south San Francisco Bay: May 1991 - May 1992. U.S. Geological Survey Open-file Report 92-456.

Luoma, S.N., Cain, D.J., Brown, C.L., and Axtmann, E.V., 1991, Trace metals in clams (Macoma balthica) and sediments at the Palo Alto mudflat in south San Francisco Bay: April, 1990 - April, 1991. U.S. Geological Survey Open-file Report 91-460.

Luoma, S.N., Carter, J.L., and Brown, C.L., 1991, Assessing adverse effects of contaminants on benthic species at the San Francisco Bay Toxics Site. in Mallard, G.E. and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program-Proceedings of the technical meeting, Monterey, CA, March 11 - 15, 1991: U.S. Geological Survey Water Resources Investigative Report 91-4034, p. 667-671.

Brown, C.L., 1990, Depositional history at a site in the northwestern Gulf of Mexico revealed by tephrochronology and oxygen isotope stratigraphy. Masters Thesis, San Jose State University, 100 pp.






                           

My Science Topics


Science Topic
Subtopic
Ecology and Environmentaquatic ecosystems
Ecology and Environmentecological processes
Ecology and Environmentecosystems
Ecology and Environmentestuarine ecosystems
Environmental Issuescontamination and pollution
Environmental Issuestoxic trace elements



My USGS Science Strategy Areas

Understanding Ecosystems & Predicting Ecosystems Change


Contact Information

Cynthia Brown
345 MIDDLEFIELD ROAD
Menlo Park, CA 94025
650-329-4477
650-329-4463 - Fax
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