Characterizing Low Molecular Weight Organic Matter in Arctic Polygonal Tundra Soils to Identify Biogeochemical Hotspots Using a Dual-Separation, High-Resolution Mass Spectrometry Approach

Mallory Ladd1,2, Stan D Wullschleger3, Colleen M. Iversen4 and Robert Hettich1,2, (1)Oak Ridge National Laboratory, Oak Ridge, TN, United States, (2)University of Tennessee, Knoxville, TN, United States, (3)Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, TN, United States, (4)Oak Ridge National Laboratory, Climate Change Science Institute and Environmental Sciences Division, Oak Ridge, United States