Soil Inorganic Carbon in the Reynolds Creek Experimental Watershed: Lithological Controls on Inorganic Carbon Storage

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Student Presentation

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Jen Pierce


There is a growing interest in soil carbon analysis. Though, soil is the third largest reservoir of carbon, the quantity of soil carbon and its fluxes are still largely misunderstood. The first step is to understand how carbon interacts with different rock types on different slopes. Reynolds Creek Experimental Watershed is an excellent place to study inorganic carbon storage because it is geologically diverse with both granite and basalt derive soils, which are located across a topographic gradient. In this study, measurements of inorganic carbon (CO32-) are compared to mapped geologic units. This research is part of the larger effort of the Reynold’s Creek Critical Zone Observatory and will contribute to a greater understanding of how carbon interacts with soil in different parent materials. Combining data from a spectrum of sampling sites can create a map of carbon corresponding to soil texture, slope and elevation.

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