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.
Articles
Photochemical release of humic and fulvic acid-bound metals from simulated soil and streamwater, Journal of Environmental Monitoring (2009)
This study demonstrates the strong impact of photochemical degradation of soil dissolved organic matter (DOM)...
Increasing Silicon Concentrations in Bohemian Forest Lakes (with J. Veselý, V. Majer, J. Kopácek, and J. Safanda), Hydrology and Earth System Sciences (2005)
Long-term trends of dissolved silicon (Si) concentrations in five glacial lakes in the Bohemian Forest,...
Paleolimnological assessment of Grove and Plow Shop Ponds, Ayer, Massachusetts, USA - A superfund site, Journal of Environmental Monitoring (2004)
Three sediment cores from each of severely polluted Grove and Plow Shop Ponds, Ayer, Massachusetts,...
The Response of a Small Stream in the Lesni Potok Forested Catchment, Central Czech Republic, to a Short-Term In-Stream Acidification (with T. Navrátil, M. Vach, P. Skrivan, J. Hruška, and L. Maggini), Hydrology and Earth System Sciences (2003)
Lesni Potok stream drains a forested headwater catchment in the central Czech Republic. It was...