314 Bryand Global Sciences Center
University of Maine
Orono, ME 04469-5790
207-581-2156 Ph
207-581-2202 Fax
norton at maine.edu
I am interested in the interaction of water and geologic materials. My interests thus span precipitation chemistry, soil- and ground-water, and fresh surface waters. Recent studies include paleolimnological analysis of lake and bog sediments for their contained information about acidic deposition (including metals) and its direct and indirect impacts on lakes and ombrogenic bogs, chemical manipulations of ecosystems or ecosystem components, and assessment of the impact of land surface pollution such as road salt. Recent research includes the study of the controls of Fe, Al, and dissolved organic carbon on P mobility in oligotrophic ecosystems. We are using empirical and experimental approaches at four sites in Maine, one in France, and two in the Czech Republic. My research is supported by the University's state-of-the-art environmental chemistry laboratory and the stable isotope laboratory.
Norton, S. A., Fernandez, I. J., Kahl, J. S., and Reinhardt, R. L., 2004, Acidification trends and the evolution of neutralization mechanisms through time at the Bear Brook Watershed in Maine (BBWM), USA: Water, Air, Soil Pollut., Focus 4, 289-310..
Reinhardt, R. L., Norton, S. A., Handley, M., Amirbahman, A., 2004, Mobilization of and linkages among P, Al, and Fe during high discharge episodic acidification at the Bear Brook Watershed in Maine, USA: Water, Air, and Soil Pollut., Focus, 4, 311-323.
Norton. S. A., Perry, E., Haines, T. A., and Dieffenbacher-Krall, A., 2004, Paleolimnological Assessment of Grove and Plow Shop Ponds, Fort Devens-Ayer, Massachusetts. Jour. Envir. Monit., 4, 457-465.
Yafa, C., Farmer, J. G., Graham, M. C., Bacon, J. R., Barbante, C., Cairns, W. R. L., Bindler, R., Renberg, I., Cheburkin, A., Emons, H., Handley, M. J., Norton, S. A., Krachler, M, Shotyk, W., Li, X. D., Martinez-Cortizas, A., Pulford, I. D., MacIver, V., Schweyer, J., Steinnes, E., Sjÿbakk, T. E., Weiss, D., Dolgopolova, A., and Kylander. M., 2004, Development of an ombrotrophic peat (low ash) reference material for the determination of elemental concentrations: J. Environ. Monit., 6, 493-501.
Owen, J. C., Norton, S. A., Maasch, K., and Wittmann, M., 2004, Design, Implementation, and Assessment of an Earth Systems Science Course for Secondary Teachers, Journal of Geoscience Education, 52, 379-384.
Shotyk, W., Goodsite, M. E., Roos-Barraclough, F., Givelet, N., LeRoux, G., Weiss, D., Cheburkin, A. K., Knudsen, K., Heinemeier, J., van der Knapp, W. O., Norton, S. A., Lohse, C., and Hansen, T. S., 2004, Accumulation rates and predominant atmospheric sources of natural and anthropogenic Hg and Pb on the Faroe Islands since 5420 14C years B.P. recorded by a peat core from a blanket bog. Geoch. Cosmoch. Acta., 69, 1-17.
Perry, E., Norton, S. A., Kamman, N., Lorey, P., and Driscoll, C. T., 2005, Deconstruction of historic mercury accumulation in lake sediments, northeastern United States: Ecotoxicology, 14, 85-100.
Dennis, I. F., Clair, T. A., Driscoll, C. T., Kamman, N., Chalmers, A., Shanley, J., Norton, S. A., and Kahl, S., 2005, Distribution patterns of mercury in lakes and rivers of northeastern North America: Ecotoxicology, 14, 113-124.
Kamman, N. C., Chalmers, A., Clair, T. A, Major, A., Moore, R., Norton, S. A., and Shanley, J., 2005, Factors influencing mercury in freshwater surface sediments of northeastern North America: Ecotoxicology, 14, 101-112.
Evans, G. C., Norton, S. A., Fernandez, I. J., Kahl, J. S., and Hanson, D., 2005, Changes in concentrations of major and trace metals in northeastern U.S.-Canadian sub-alpine forest floors: Water Air Soil Poll., l 165, 245-267.
Lawler, J. J., Rubin, J., Cosby, B. J., Fernandez, I. J., Kahl, J. S., and Norton, S. A., in press 2005, Predicting recovery from acidic deposition: Applying a modified TAF (Tracking Analysis Framework) model to Maine (USA) high elevation lakes:
Szillery, J. E., Fernandez, I. J., Norton, S. A., Rustad, L. E., and White, A. S., 2005, Soil solution dynamics in response to elevated nitrogen and sulfur treatments at the Bear Brook Watershed in Maine. J. Environ. Qual.
Kop·cek, J., Klementov·, S., Norton, S. A., in press 2005, Photochemical production of ionic and particulate aluminum and iron in lakes: Environ. Sci. Tech.