1. Evaluation of Variability in Soil Organic Carbon Isotope Record and Implications for Organic Matter Preservation Open Access Author: Chung, Angela Hsien Title: Evaluation of Variability in Soil Organic Carbon Isotope Record and Implications for Organic Matter Preservation Graduate Program: Geosciences Keywords: Organic carbonisotopesresidence timePETM File: Download Chung_Thesis_final.pdf Committee Members: Katherine Haines Freeman, Thesis Advisor/Co-Advisor