Development of the portable PM2.5 measurement system for cold regions for the Cryosphere and PM2.5 observations with the system in Alaska and Japan

Teppei J Yasunari1, Shigeto Wakabayashi2, Yutaka Matsumi3, Sumito Matoba4, Tatsuhiro Watanabe5, Fumihiro Takahashi6, Sei-ichi Saitoh1, Sachinobu Ishida7 and Sento Nakai8, (1)Hokkaido University, Arctic Research Center, Sapporo, Japan, (2)Hokkaido University, School of Engineering, Sapporo, Japan, (3)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya-Shi, Japan, (4)Hokkaido University, Institute of Low Temperature Science, Sapporo, Japan, (5)WDB Co., Ltd., Sapporo, Japan, (6)Green & Life Innovation, Inc., Hakodate, Japan, (7)Hirosaki University, Aomori, Japan, (8)Snow and Ice Research Center, National Research Institute for Earth Science and Disaster Resilience, Nagaoka, Japan