Soil Charcoal Carbon Pools and Charcoal Distribution in a Clear-cut Appalachian Forest

Authors: Jacob Cecil*, University of Tennessee, Emma Reed, University of Tennessee, Luke Blentlinger, University of Tennessee, Allen Prince, University of Tennessee, Sally P Horn, University of Tennessee
Topics: Physical Geography, Paleoenvironmental Change, Environmental Science
Keywords: Fire, Charcoal, Carbon Pool
Session Type: Poster
Day: 4/12/2018
Start / End Time: 1:20 PM / 3:00 PM
Room: Napoleon Foyer/Common St. Corridor, Sheraton, 3rd Floor
Presentation File: No File Uploaded

Macroscopic charcoal fragments in soils contribute to soil carbon pools and provide stand-specific evidence of past fires. We investigated the distribution of soil charcoal on a south-facing slope in an Appalachian forest cleared for a timber sale at the University of Tennessee AgResearch and Education Center in Oak Ridge, Tennessee. Prior to cutting, the site was predominantly hardwood forest with rare conifers (timber cut was 52% white oak species, 36% red oak species, 8% tulip poplar, 5% other hardwoods, and <1% pine). Twelve soil cores were collected in 10 cm increments to a depth of refusal using an 8.5 cm diameter root auger. Samples were wet-sieved using a 2 mm brass sieve. Charcoal fragments retained on the sieve were transferred to glass vials, dried, and weighed to estimate soil charcoal carbon pools at the site. We compare charcoal distribution with depth both across this site and with other sites of different stand types in region.

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