Reconstructing 40ky of N cycling from stable isotopes of plant compounds in a Siberian permafrost soil

Sara K Enders1, Benjamin Z Houlton2, Naohiko Ohkouchi3, Dirk Wagner4, Nanako O Ogawa3, Yoshito Chikaraishi5 and Hisami Suga6, (1)University of California Davis, Davis, CA, United States, (2)University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States, (3)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Biogeochemistry Research Center (BGC), Research Institute for Marine Resources Utilization (MRU), Kanagawa, Japan, (4)GFZ German Research Centre for Geosciences, Sec. 3.7 Geomicrobiology, Potsdam, Germany, (5)Hokkaido University, Institute of Low Temperature Science, Sapporo, Japan, (6)JAMSTEC, Yokosuka, Japan