Tommy Rodengen

Tommy Rodengen
Saint Mary's University of Minnesota · GeoSpatial Services

PhD
adjunct faculty at St. Mary's University and Winona State University

About

4
Publications
74
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Citations

Publications

Publications (4)
Article
Full-text available
Paleoecological investigation of two montane lakes in the Kootenay region of southeast British Columbia, Canada, reveal changes in vegetation in response to climate and fire throughout the Holocene. Pollen, charcoal, and lake sediment carbon accumulation rate analyses show seven distinct zones at Marion Lake, presently in the subalpine Engelmann Sp...
Conference Paper
Lake sediments have been shown to contribute up to 15% of total amount of carbon stored in the boreal forest biome. However, estimates of carbon accumulation rates in lake sediments vary widely by region. Little is known about how lake carbon accumulation rates have changed through time and what factors influence these changes. We quantified total...
Article
Anthropogenic CO2 can be sequestered by means of the injection of CO2 into the ocean, either as liquid CO2 or by pre-reacting with the mineral CaCO3 to neutralize the acidity prior to injection. One of the greatest uncertainties in this approach concerns the time scale over which the carbon will remain sequestered and where it will outgas, and to w...

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Projects

Project (1)
Project
The goal of the project is to develop a paleo history of the vegetation, climate, watershed conditions and human influence of northern Minnesota,