[A-CC42] Permafrost in transition: causes, impacts and feedbacks

[ACC42-P07] Climate controls on mercury variations in arctic sedimentary records over the Holocene: from marine sediments to permafrost

*Masao Uchida¹, Kanako Mantoku¹, Chien-Lu Ping², Go Iwahana^2,3, Hiroto Kajita⁴, Stephan Rella¹, Hidetoshi Kumata⁵, Tetsuya Matsunaka⁶, Yoshimi Kubota⁷, Katsura Yamada⁸, Akane Yamakawa¹, Kenji Yoshikawa², Motoyo Itoh⁹, Shigeto Nishino⁹ (1. National Institute for Environmental Studies, 2. University of Alaska, Fairbanks, 3. Hokkaido University, 4. Hirosaki University, 5. Tokyo University of Pharmacy and Life Sciences, 6. Kanazawa University, 7. National Museum of Nature and Science, 8. Shinshu University, 9. Japan Agency for Marine-Earth Science and Technology)

Keywords:Mercury, Alaskan Arctic, Beaufort Sea, Holocene Climate Optimum, Roman Warm Period, Medieval Warm Periods, Little Ice Age