Michael Williams - Curriculum Vitae

PERSONAL DETAILS

Name	Michael Williams
Email	williams@hpl.umces.edu

EDUCATION

1997	Ph.D., Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara
May 1993	M.S., Marine, Environmental and Estuarine Science, University of Maryland, with honors in the major and thesis honors
March 1985	B.A., Aquatic Biology, University of California, Santa Barbara

 

EMPLOYMENT

2007-current	Science Integrator, Integration and Application Network (UMCES)
2005-current	Associate Research Scientist, Univ. Maryland Center for Environmental Science
2005-2007	Coordinator & Research Scientist, Chesapeake Bay Program
2003-2005	Joint Appointment: Asst. Research Scientist, Center for Environmental Science, University of Maryland and Visiting Fellow, Center for the Environment, Cornell University
2000-2003	Postgraduate Researcher, The Ecosystems Center: Solute budgets, land-use and water quality, Ipswich River and Plum Island Estuary
1997-2000	Postgraduate Researcher, National Science Foundation and FAPESP/Centro de Energia Nuclear na Agricultura (CENA), University of São Paulo, Brazil; Biogeochemistry of rivers in São Paulo state, Brazil; nutrient cycling in Amazon rainforests; effects of land-use change in Amazonas and Rondônia, Brazil
1992-1987	Research Associate, U.C. Santa Barbara: Alpine and subalpine watershed hydrology and biogeochemistry; hydrochemical modeling
1987-1992	Investigator, Univ. Maryland & UCSB: Watershed hydrology and floodplain limnology, Lake Calado and Anavilhanas, Amazonas, Brazil
1988	Aquanaut, NOAA National Undersea Research Program: Photosynthesis and respiration of algae in coral reef sands, St. Croix, Virgin Islands
1985-1987	Research Assistant, U.C. Santa Barbara: Alpine and subalpine limnology; Effects of acid precipitation in high elevation watersheds, California
1985	Fisheries Field Biologist, University of Washington / NOAA: Catch census of Japanese trawlers in the Bering Sea

GRANTS, AWARDS & COMMITTEES

STAC Steering Committee member, Developing environmental indicators for assessing the health of the Chesapeake Bay watershed. (Feb 20, 2007)

Selected Scientific and Technical Advisory Committees (STAC):  Thresholds in the recovery and eutrophication of coastal ecosystems (Feb 14-15, 2007);  Evaluating the design and implementation of the Chesapeake Bay shallow water monitoring program (Nov 31-Dec 1, 2004);  Understanding the lag times affecting the improvements of water quality in the Chesapeake Bay (May 19-20, 2004)

Co-Principal Investigator - NASA Earth Sciences. Use of a hyperspectral sensor to relate land use to water quality in the Chesapeake Bay.  Grant to T. Fisher et al. (2005)

NSF/ERF Travel Award - Estuarine Res. Federation conference, Fall 1999. Funded July 1999

NSF International Research Fellow Award. Precipitation and throughfall chemistry of the Amazon basin: effects of land-use change. Funded May 1999

FAPESP Visiting Scientist Fellowship Award (Brazil). Uso de modelo hidroquímico para determinação dos efeitos de diferentes tipos de uso da terra na qualidade da água da bacia do Rio Piracicaba. Funded October 1997

IBAMA, Manaus, Amazonas, Brazil. Fixação de nitrogênio por organismos plânctonicos e periféricos no Rio Negro. Funded May 1990

National Geographic Society, Washington, D.C. 20036. Nutrient inputs to an Amazon floodplain stream following deforestation. Funded August 1989

Center for Estuarine and Environmental Studies, Cambridge, MD 21613. Solute export from deforested catchments in central Amazonas. Funded May 1989

Sigma Xi, The Scientific Research Society, New Haven, CT, 06511. Nutrient inputs to an Amazon floodplain stream following deforestation. Funded March 1989

 

SCIENTIFIC PUBLICATIONS

Williams, M.R., T.R. Fisher, K.N. Eshleman, W.C. Boynton, M.W. Kemp, and C.F. Cerco (2006) An integrated modeling system for management of the Patuxent River basin in the mid-Atlantic region of the USA.  Int. J. Remote Sensing. 27:3705-3726.

Fisher TR, Hagy JD, Boynton WR & Williams MR (2006).  Cultural eutrophication in the Choptank and Patuxent estuaries of Chesapeake Bay.  Limnology and Oceanography 51(1, part 2), 435-447.

Williams M, Hopkinson C, Vallino J & Rastetter E (2005)  Relationships of land use and streamwater solute concentrations in the Ipswich River basin, northeastern Massachusetts. Water, Air, and Soil Pollution 161:55-74.

Williams M, Hopkinson C, Rastetter E & Vallino J  (2004)  N budgets and aquatic uptake in the Ipswich River basin, northeastern Massachusetts.  Water Resources Research Vol. 40, W11201, doi:10.1029/2004WR003172

Pellerin BA, Wollheim WM, Hopkinson CS, McDowell WH, Williams MR, Vörösmarty CJ & Daley ML.  (2004) Role of developed land use and wetlands on hydrologic dissolved organic nitrogen losses from northeastern U.S. watersheds.  Limnology & Oceanography 49:910-918

Williams MR, Filoso S & Lefebvre P  (2004)  Effects of land-use change on solute fluxes to floodplain lakes of the central Amazon.  Biogeochemistry 68:259-275

Filoso S, Martinelli LA, Williams MR, Lara LB, Krusche A, Ballester MV & Victoria R (2003)  Land use and nitrogen export in the Piracicaba River basin, southeast Brazil.  Biogeochemistry 65:275-294

Williams MR, Leydecker A, Brown AD & Melack JM (2001)  Processes regulating the solute concentrations of snowmelt runoff in two subalpine catchments of the Sierra Nevada, California.  Wat. Resour. Res. 37:1993-2008

Williams MR, Martinelli LA, Filoso S & Lara LB  (2001)  Precipitation and river water chemistry of the Piracicaba River basin, southeast Brazil.  J. Env. Qual.  30:967-981

Perring A, Williams M, Hopkinson C, Rastetter E & Vallino J. (2000)  Solute dynamics in storm flow of the Ipswich River basin: effects of land use.  Biol. Bull.  148:563-585

Filoso S & Williams MR (2000)  The hydrochemical influence of the Branco River on the Negro River and Anavilhanas archipelago, Amazonas, Brazil.  Arch. Hydrobio.  148:563-585

Ometo JP, Martinelli LA, et al., & Williams MR (2000)  Effects of land use on water chemistry and macroinvertebrates in two streams of the Piracicaba River Basin, southeast Brazil. Freshwat. Biol.  44:327-345

Filoso S, Williams MR & Melack JM (1999)  Composition and deposition of throughfall in a flooded forest archipelago (Negro River, Brazil).  Biogeochemistry  45:169-195

Filoso S, Williams MR & Melack JM (1997)  Spatial and temporal variation in the hydrochemistry of lakes of the Anavilhanas archipelago, Negro River, Brazil.  Verh. Internat. Verein. Limnol. 26:309-312       

Williams MR & Melack JM (1997)  Effects of prescribed burning and drought on the streamwater chemistry of mixed-conifer forest streams in the Sierra Nevada, California.  Biogeochemistry  39:225-253

Williams MR, Fisher TR & Melack JM (1997)  Solute dynamics in soil water and groundwater in a central Amazon catchment undergoing deforestation.  Biogeochemistry 38:303-335

Williams MR & Melack JM (1997)  Solute export from forested and partially deforested catchments in the central Amazon.  Biogeochemistry 38:67-102

Williams MR & Melack JM (1997)  Atmospheric deposition, mass balances, and processes regulating streamwater solute concentrations in mixed-conifer catchments of the Sierra Nevada, California.  Biogeochemistry 37:111-144

Williams MR, Fisher TR & Melack JM (1997)  Chemical composition and deposition of rain in the central Amazon, Brazil. Atmos. Env. 31:207-217

 

BOOK CHAPTERS

Longstaff, B., M. Williams, and E.C. Wicks.  Coastal Assessment Handbook, Chapter 8, Producing Report Cards.  IAN press. Pending.

Williams MR & Filoso S (2007)  Hydrochemistry of the Negro River and formation of the Anavilhanas archipelago, INPA pubs, Manaus, Amazonas, Brazil - in press

Filoso S, Williams MR & Alves LF (2007)  Limnological conditions of the Anavilhanas archipelago, Negro River, Brazil - INPA publications, Manaus, Amazonas, Brazil - in press

 

MANUSCRIPTS SUBMITTED AND IN PREPARATION

Williams MR, B Longstaff, B Dennison, C Buchanan and R Llansó.  Development and validation of a spatially explicit index of Chesapeake Bay health:.  Marine Pollution

Orth R, K Moore, W Dennison, M Williams, M Kemp, E Koch, C Stevenson, N Rybicki, M Naylor, P Bergstrom, B Longstaff and H Wienberg.  Trends in distribution and abundance of submersed aquatic vegetation in Chesapeake Bay and tributaries: 1984-2004. Estuaries

Keller TA, GW Shenk, MR Williams and RA Batiuk.  Development of an indicator of watershed nutrient and sediment loads to the Chesapeake Bay.  Coastal Management

Jasinski D, P Tango, B Longstaff, M Williams and B Dennison.  Ecological forecasting of dissolved oxygen, harmful algal blooms, and submersed aquatic vegetation in the Chesapeake Bay, Environmental Management

Williams MR, TR Fisher, WC Boynton, MW Kemp, and CF Cerco. Effects of tidal marshes on biogeochemistry of low-salinity estuarine regions: Inferences from numerical modeling. Estuaries

Williams M, E Rastetter, C Hopkinson & J Vallino.  Effects of urbanization on the water quality of the Ipswich River basin, northeastern Massachusetts.  Journal of Environmental Quality

Williams MR.  Elemental cycling in disturbed and undisturbed rainforests, Rondônia, Brazil

Williams MR & S Filoso.  The distribution of chemical elements in a large freshwater archipelago, Anavilhanas, Brazil 

 

FINAL REPORTS

Fisher et al. (2006)  Development of an integrated modeling system of watershed and estuarine ecology for management of the Patuxent basin.  Maryland Dept. Environ.

Williams MR, Fisher TR & Koch E (2004)  Effects of boat traffic on chemical and physical parameters of a Patuxent tributary, Island Creek, Maryland.  Calvert County Dept. of Planning and Zoning, Maryland Dept. Natural Resources.  25 pp.

Brown A & Melack J (1997) Watershed biogeochemical processes affecting surface waters in the Sierra Nevada, with emphasis on snow-melt episodes.  Final Report, California Air Resources Board. ARB Contract Number AO32-116, 54 pp

Dozier J, Melack J, Bales R, Tonnessen K & Williams M (1995)  Hydrology, hydrochemical modeling, and remote sensing in seasonally snow-covered alpine drainage basins.  EOS interdisciplinary Science Investigation.  NASA grant NAGW-2602

 

CONTRIBUTING SCIENTIST

Filoso, S., Vallino, J., Hopkinson, C. & Rastetter, E.  2004.  Modeling nitrogen transport in the Ipswich River basin, Massachusetts, using HSPF: Present conditions and future scenarios.  Journal of the American Water Resources Association 40 (5): 1365-1384.

Kratz KW, Cooper SD & Melack JM (1992)  Effects of single and repeated experimental acid pulses on invertebrates in a high altitude Sierra Nevada stream.  Freshwat. Biol.

Melack JM et al. (1989)  Chemical and biological characteristics of Emerald Lake and the streams in its watershed, and the responses of the lake streams to acidic deposition. Final Report, California Air Resources Board. Contract A6-184-32. 377 pp

Melack JM et al. (1987)  Chemical and biological survey of lakes and streams located in the Emerald LakeSequoia National Park) of the Sierra Nevada. Final Report, Calif. Air Resources Board. Contract A3-096-32. 345 pp

 

TEACHING EXPERIENCE & WORKSHOPS

GIS workshop: Studying Land Use Effects in Coastal Zones with Remote Sensing and GIS, Kemer, Turkey, August 2003

Concepts and methods in limnology: UCSB, fall quarters, 1994 and 1996

 

ABSTRACTS

Williams, M.R., B. Longstaff, B. Dennison, C. Buchanan and R. Llansó.  Trends in riverine nutrients and an index used to evaluate regional differences in the water quality and biotic conditions of Chesapeake Bay.  Oral presentation at Fall 2007 International Nitrogen Initiative Conference, Coasta do Sauípe, Brazil.

Williams, M.R., B. Longstaff, C. Buchanan, R. Llansó, and B. Dennison.  Development of an integrated and spatially explicit index of Chesapeake Bay health.  Oral presentation at Fall 2007 ERF, Providence, RI.

Longstaff, B., M.R.Williams, B. Dennison, D. Jasinski, P. Tango, EC Wicks, C. Connor and R Batiuk.  Building community knowledge through an annual cycle of ecological forecasting and assessment.  Poster for the 10^th International River Symposium, Fall 2007, Brisbane, Australia. 

Orth R, K Moore, W Dennison, M Williams, M Kemp, E Koch, C Stevenson, N Rybicki, M Naylor, P Bergstrom, B Longstaff.  Annual and Decadal Trends in Distribution and Abundance of Submersed Aquatic Vegetation in Chesapeake Bay: 1984-2004.  Oral presentation at Fall 2007 ERF, Providence, RI.

Keller TA, GW Shenk, MR Williams and RA Batiuk.  Developing Indicators Of Stress: Estimating the Chesapeake Bay's annual watershed-derived nitrogen and phosphorus loads.  NABS Poster, Summer 2007, Columbia, SC.

Williams, M.R., T.R. Fisher, W.C. Boynton, M.W. Kemp, C.F. Cerco, and others. Effects of tidal marshes on the biogeochemistry of low-salinity estuarine regions: Inferences from numerical modeling. Oral presentation at Fall 2005 ERF, Norfolk, VA.

Williams, M.R., T.R. Fisher, W.C. Boynton, M.W. Kemp, and C.F. Cerco.  Evidence for a significant effect of intertidal marshes on the biogeochemistry of N and P in the Patuxent River estuary.  7th Ann. Wetlands Workshop, Altlantic City, NJ, Fall 2004.

Williams M, Fisher T, Eshleman K, Boynton W, Hood R & Fiscus D.  An Integrated Modeling System for Management of the Patuxent River Basin in the Mid-Atlantic, USA. Remote Sensing and GIS conference in Kemer, Turkey, August 2003.

Williams M, Hopkinson C, Rastetter E & Vallino J.  Effects of Land Use Change on Streamwater Solute Concentrations in the Ipswich River Basin, Northeastern USA. Remote Sensing and GIS conference in Kemer, Turkey, August 2003.

Williams M, Hopkinson C, Rastetter E & Vallino J.   N budgets and riverine uptake in the Ipswich River basin, northeastern MA.  Spring AGU, Washington DC, 2002

Williams M, Hopkinson C, Rastetter E & Vallino J.  The relationships of land use to water quality in the Ipswich River basin, NE MA.  Spring AGU, Boston, 2001

Filoso S, Williams MR & Martinelli LA.  Nitrogen budgets of the Piracicaba River basin, southeastern Brazil.  Spring AGU, Boston, 2001

Williams MR.  Nutrient loading to a floodplain lake of the central Amazon.  Fall 1999 ERF conference, New Orleans, LA.  Invited speaker

Williams MR, Melack JM & Brown AD.  Sources of solutes in surface runoff of two small alpine catchments in the Sierra Nevada, CA.  Fall AGU, San Francisco, 1997

Brown AD, Williams MR & Melack JM.  Depletion of snowmelt storage in alpine catchments during snowmelt. Spring AGU, Baltimore, MD. 1996

Williams MR, Fisher TR & Melack JM.  The effects of slash-and-burn agricultural practices on solute mobility in small catchments of the central Amazon, Brazil.  Speaker at Fall AGU, San Francisco, CA. 1995

Filoso S, Williams MR & Melack JM.  The hydrochemistry of lakes of the Anavilhanas archipelago, Negro River, Brazil. SIL - São Paulo, Brazil. 1995

Williams MR.  Processes regulating the solute concentrations of snowmelt runoff in two subalpine catchments of the Sierra Nevada, California. Gordon conference, NH, 1995

Williams MR & Everson DA.  Discharge-concentration relationships of ionic solutes from two mixed-conifer watershed streams.  Fall AGU, San Francisco, CA. 1994

Williams MR, Lesack LFW & Melack JM.  Land-use changes and nutrient supply on the Amazon floodplain. Speaker at ASLO/SWS, Edmonton, Canada, May 1993

Williams MR.  Land-use changes and limnological conditions in the central Amazon floodplain using remote sensing and field data.  Speaker at the Fourth Annual Walker Branch Watershed Research Symposium, Oak Ridge, TN. March 1993

Williams MR & Fisher TR.  The effects of deforestation on the water chemistry of a small watershed in central Amazonas. Fall AGU, San Francisco, CA. 1992     

Brown AD, Williams MR & Melack JM.  Use of a chemical tracer to elucidate mechanisms controlling surface water composition during snowmelt. Fall AGU meeting, San Francisco, CA. 1992

Williams MR & Fisher TR.  Deforestation and water chemistry of catchments in the central Amazon, Brazil.  Annual ASLO meeting, Santa Fe, NM. February 1992  

Williams MR & Fisher TR.  Comparison of nutrient and major solute export from forested and deforested catchments in the central Amazon. Speaker; Internat. Sem. Hydro. Wat. Manag. Amazon Basin, IWRA/UNESCO, Manaus, Amazonas, Brazil.  August 1991

  

PROFESSIONAL ORGANIZATIONS

American Geophysical Union; American Society of Limnology and Oceanography; Estuarine Research Federation

 

PERSONAL

Fluent in Brazilian Portuguese; excellent comprehension of technical, written Spanish, and working knowledge of certain spoken and written Spanish dialects.