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My
research addresses the complex interactions among climate, humans, and
environment. The instrumental record of climate change spans only the last two
centuries. Paleoenvironmental methods are therefore required to assess
baseline conditions in terrestrial and aquatic systems and to evaluate
whether natural or anthropogenic factors exert primary control on the
structure and function of ecosystems. I employ stable isotope and
geochemical analyses of lake sediment cores to decipher the history of
aquatic ecosystems and surrounding watersheds. Sediment profiles record
both long-term, climate-driven environmental changes and the results of
recent anthropogenic impacts. These archives thus provide insights into
the magnitude of human mediated environmental shifts. The research is
collaborative and multidisciplinary, involving sedimentology, palynology
and microfossil analysis, radiometric dating, and archaeology.
Research
In Central America
Research
In Central Asia
Research In
Greece
Research In
North America
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