CURRICULUM VITAE

JEFFREY C. CORNWELL

University of Maryland CES
Horn Point Laboratory
P. O. Box 775
Cambridge, MD 21613
(410) 221-8445; FAX# (410) 221-8490; cornwell@hpl.umces.edu

POSITIONS HELD:
Research Associate Professor Horn Point Laboratory 1996-present
Research Assistant Professor Horn Point Laboratory 1989-1996
Research Associate, Horn Point Laboratory 1986-1989
Assistant Research Scientist, Texas A&M University 1985-1986
Post
Research Assistant, University of Alaska 1976-1983

DEGREES:
Hobart College, B.S., Chemistry with Honors, 1976.

Honors Project: "Mercury and zinc in the sediments of Seneca Lake, NY".

University of Alaska, Ph.D., Chemical Oceanography, 1983.
Dissertation: "The geochemistry of manganese, iron and phosphorus in an arctic lake".

RESEARCH INTERESTS:
- Biogeochemistry of nutrients and metals in aquatic sediments

- Estuarine chemistry and water quality

- Metals, nutrients and stable isotopes in tidal and non-tidal wetlands

- Freshwater chemistry and ecology



PUBLICATIONS:

1980's

Blackburn, T.R., J.C. Cornwell and T.R. Fogg, 1980, Mercury and zinc in the sediments of Seneca Lake, Seneca River and Keuka Outlet, N.Y. J. Great Lakes Res., 6, 68-75.

Cornwell, J.C., 1983, The geochemistry of manganese, iron and phosphorus in an arctic lake. Ph.D. Dissertation, University of Alaska, Fairbanks.

Whalen, S.C. and J.C. Cornwell, 1985, Nitrogen, phosphorus and organic carbon cycling in an arctic lake. Can. J. Fish. Aquat. Sci., 42, 797

Cornwell, J.C., 1985, Sediment accumulation rates in an Alaskan arctic lake using a modified 210Pb technique. Can. J. Fish. Aquat. Sci., 42, 809

Cornwell, J.C., 1986, Diagenetic trace metal profiles in arctic lake sediments. Environ. Sci. Technol., 20, 299

Morse, J.W., F.J. Millero, J.C. Cornwell and D. Rickard, 1987, The chemistry of the hydrogen sulfide and iron sulfide systems in natural waters. Earth Sci. Rev., 24, 1

Cornwell, J.C., 1987, Phosphorus cycling in arctic lake sediments: adsorption and authigenic minerals. Arch. Hydrobiol., 109, 161

Morse, J.W. and J.C. Cornwell, 1987, Analysis and distribution of iron sulfide minerals in recent anoxic marine sediments. Mar. Chem. 22:55

Cornwell, J.C. and J.W. Morse, 1987, The characterization of iron sulfide minerals in anoxic marine sediments. Mar. Chem. 22:193

Cornwell, J.C., 1987, Migration of metals in sediment pore waters: problems for the interpretation of historical deposition rates. In Proceedings of the 6th International Conference on Heavy Metals in the Environment, Vol. 2, p. 233

Whalen, S.C., J.C. Cornwell and V. Alexander, 1988, Comparison of chemical and biological N budgets in an Arctic lake: implications for phytoplankton production. SCOPE/UNEP Sonderband, 66:99-115.


1990's

Morse, J.W., J.C. Cornwell, T. Arakaki, S. Lin and M. Huerta-Diaz, 1992, Iron sulfide and carbonate mineral diagenesis in Baffin Bay, Texas. J. Sed. Petrol. 62:671-680.

Cornwell, J.C. and S. Banahan, 1992, A silica budget for an Alaskan arctic lake. Hydrobiologia, 240:37-44.

Cornwell, J.C., 1992, Cation export from Alaskan arctic watersheds. Hydrobiologia, 240:15-22.

Cornwell, J.C. and G.W. Kipphut, 1992, The sediment biogeochemistry of manganese- and iron-rich sediments of Toolik Lake, Alaska. Hydrobiologia, 240:45-59.

Neill, C. and J.C. Cornwell, 1992, Stable isotopes used to trace the utilization of algae and macrophyte detritus in a prairie marsh food web. Wetlands, 12:217-224.

Marcus, W.A., C. Nielsen and J.C. Cornwell, 1993, Sediment budget-based estimates of trace metal inputs to a Chesapeake estuary. Env. Geol. Wat. Sci. 22:1-9.

Zelenke, J.L., J. Stevenson and J.C. Cornwell. 1994. Deposition of inorganic and organic phosphorus in Maryland tidal marshes: a preliminary analysis. In: Toward a Sustainable Coastal Watershed: The Chesapeake Experiment. Proceedings of a Conference. Chesapeake Research Consortium Publication No. 149 pp. 630-633.

Kana, T.M., C. Darkangelo, D. Hunt, J. Oldham, G. Bennett, and J.C. Cornwell, 1994, A dissolved gas analyzer based on membrane inlet mass spectrometry for rapid high precision analysis of N2, O2, and Ar in environmental water samples. Anal. Chem. 66:4166-4170.

Owens, M. and J.C. Cornwell, 1995, Sedimentary evidence for decreased heavy metal inputs to the Chesapeake Bay. Ambio 24: 25-27.

Conley, D.J., W.M. Smith, J.C. Cornwell and T.R. Fisher, 1995, Transformations of particle-bound phosphorus at the land-sea interface. Est. Coastal Shelf Sci. 40:161

Cornwell, J.C., C. Neill, and J. C. Stevenson. 1995. Biogeochemical Origin of d34S Isotopic Signatures in a Prairie Marsh. Can. J. Fish. Aquat. Sci. 52:1816-1820.

Cornwell, J.C., and P.A. Sampou. 1995. Environmental controls on iron sulfide mineral formation in a coastal plain estuary. (ACS Symposium Series, In: Vairavamurthy, M.A. and M.A.A. Schoonen (eds.), Geochemical Transformations of Sedimentary Sulfur, pp. 224-242, American Chemical Society, Washington, DC.).

Cornwell, J.C., D.J. Conley, M. Owens and J.C. Stevenson. 1996. A sediment chronology of Chesapeake Bay eutrophication. Estuaries, 19:488-499.

Stribling, J.M. and J.C. Cornwell. 1997. Identification of important primary producers in a Chesapeake Bay tidal creek system using stable isotopes of carbon and sulfur. Estuaries 20:77-85

Wigand, C., J.C. Stevenson and J.C. Cornwell. 1997. Effects of different submersed macrophytes on sediment biogeochemistry. Aquatic Botany 56:233-244.

Kana, T.M., M.B. Sullivan, J.C. Cornwell and K Groszkowski. 1998. Denitrification in estuarine sediments determined by membrane inlet mass spectrometry. Limnology and Oceanography 43:334-339.

Stribling, J.M., J.C. Cornwell and C. Currin. 1998. Variability of stable sulfur isotopic ratios in Spartina alterniflora. Marine Ecology Progress Series 166:73-81.

Petersen, J, J.C. Cornwell and W.M. Kemp. 1999. Implicit scaling of experimental aquatic ecosystems. Oikos 85:3-18.

Cornwell, J.C., W.M. Kemp and T.M. Kana. 1999. Denitrification in coastal ecosystems: methods, environmental controls, and ecosystem level controls, a review. Aquatic Ecology 33:41-54.

2000

Arnold, R., J.C. Cornwell, W. Dennison and J.C. Stevenson. 2000. Sediment-based reconstruction of submersed aquatic vegetation distribution in a Chesapeake subestuary. J. Coastal Res. 16:188-195

Zelenke, J.L. and J.C. Cornwell. The Role of Oligohaline and Tidal Freshwater Marshes in Estuarine Nutrient Cycling. (Book Chapter, Concepts and Controversies in Tidal Marsh Ecology, In Press).

Helz, G.R., J.M. Adelson, C.V.Miller, J.C.Cornwell, J.M. Hill, M. Horan and R.M. Walker. Osmium isotopes demonstrate distal transport of contaminated sediment in Chesapeake Bay. (Environ. Sci. Technol, In Press)

Merrill, J.L. and J.C. Cornwell. Nitrogen and phosphorus burial in a brackish Chesapeake Bay marsh. (Estuaries, in revision).

REPORTS (Last 10 years):


Cornwell, J.C. and J.C. Stevenson, 1990, Toxic substances in submerged aquatic vegetation beds. Report CBRB90-H1-1, Maryland Department of Natural Resources.

Cornwell, J.C., J.M. Stribling and J.C. Stevenson, 1990, Biogeochemical Studies at the Monie Bay National Estuarine Research Reserve. Final Report NA89AA/D C2 130, NOAA National Estuarine Research Reserve System. 69 pp.

Cornwell J.C., J. Stribling and J.C. Stevenson, 1994, Biogeochemical Studies at the Monie Bay National Estuarine Research Reserve. In Proceedings of the 13th International Conference of the Coastal Society, p. 645-655, Washington, D.C.

Baker, J, R. Mason, J.C. Cornwell, J Ashley, J. Halka and J. Hill. 1997. Spatial mapping of sedimentary contaminants in the Baltimore Harbor/Patapsco River/Back River System. Final Report to Maryland Department of the Environment. UMCES 97-142.

Cornwell, J.C. and M. Owens. 1998. Sediment biogeochemistry at Site 104 Open Water Placement Area. Final report to Maryland Environmental Service Under Contract to the Maryland Port Administration. TS-167-98.

Cornwell, J.C. and M. Owens. 1998. Benthic phosphorus cycling in Lake Champlain. Final report to Hydroqual, Inc. Under Contract to the Lake Champlain Management Conference. TS-168-98.

Cornwell, J.C. and M. Owens. 1999. The Nutrient Chemistry of Sediment Dredging: Sediment Nutrient Inventories and Fluxes. Final report to Maryland Environmental Service Under Contract to the Maryland Port Administration. TS-187-99


Cornwell, J.C. and W.R. Boynton. 1999. Sediment Water Oxygen and Nutrient Exchanges at Shoal and Channel Stations in the Upper Bay. Final report to Maryland Environmental Service Under Contract to the Maryland Port Administration. TS-186-99

Cornwell, J.C. 1999. Estimation of Potential Nutrient Releases Associated With Placement Activities at Site 104. Final report to Maryland Environmental Service Under Contract to the Maryland Port Administration. TS-188-99


CURRENT GRANTS AND CONTRACTS

Malone, Kennedy et al. Multiscale Experimental Environmental Research Center. USEPA. 1992-2002.

Malone, Boicourt, Cornwell, Harding and Stevenson. The Choptank River: A Mid-Chesapeake Bay Index Site for Evaluating Ecosystem Responses to Nutrient Management. USEPA. 1998-2001

Kemp, Cornwell. Role of Benthic Communities in the Cycling and Balance of Nitrogen in Florida Bay. 1999-2000.

Kana, MacIntyre, Cornwell. ECOHAB: Benthic pelagic coupling and Long Island Brown Tide. NOAA. 1999-2002

Cornwell, Kana. Environmental Controls of Denitrification in Estuarine Sediments. Maryland Sea Grant. 2000-2002.

MEMBERSHIPS

American Association for the Advancement of Science; American Chemical Society;
American Geophysical Union; American Society for Limnology and Oceanography;
Estuarine Research Federation; Geochemical Society; Sigma Xi; Society of Wetland Scientists


CLASSES TAUGHT

Spring 1991. MEES 698H. Sediment Biogeochemical Techniques. 3 credits.
Summer 1993. MEES 698S. Marine Biogeochemistry. 3 credits. (Cornwell/Conley).
Spring 1996-2000 MEES 698H. Environmental Geochemistry II. (Harvey/Cornwell)
Spring 1996. MEES 608yMethods: Sediment Biogeochemistry (Cornwell)
Spring 1998. MEES 608J. Phosphorus Biogeochemistry


GRADUATE STUDENTS SUPERVISED


Geremia, Marion , M.S., MEES Program/UMCP, graduated 1993. Thesis Title: "A Comparison of Sediment, Heavy Metal and Nutrient Retention in Natural and Manmade Wetlands in Centennial Park, Maryland". Current Employment: US Army Corps of Engineers.

Stribling, Judith , Ph.D., MEES Program/UMES, graduated 1994. Dissertation Title: "Sulfur and Nutrient Chemistry of Spartina Alterniflora Loisel. in a Low Salinity Marsh". Current Employment: Asst. Prof., Salisbury State University.

Liebert, Amy, M.S., MEES Program/UMCP, Environmental Geochemistry, graduated 1997. Thesis Title: A Metabolism and Nutrient Cycling in Experimental Marsh Sediments.

Elka Porter, Ph.D., MEES Program/UMCP, co-advisor with L. Sanford, graduated 1999. Dissertation Title: "Physical and Biological Scaling of Benthic-Pelagic Coupling in Experimental Ecosystem Studies"

Zelenke, Jennifer, Ph.D., MEES Program/UMCP, Environmental Geochemistry, graduated 1999. Dissertation Title: "Tidal Freshwater Marshes as Nutrient Sinks: Nutrient Burial and Denitrification".

Haberkern, Erik, M.S., MEES Program/UMCP, Ecology. Topic: Algal production and nitrogen cycling in tidal marshes.

Coley, Teresa, Ph.D., MEES Program/UMES, Environmental Geochemistry. Topic: Effects of flow on sediment biogeochemistry.

Bryner, Jeanna, M.S., MEES Program/UMCP, Environmental Geochemistry. Topic: Influence of iron and sulfur cycling on phosphorus cycling in tidal fresh and oligohaline marshes.

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