Bulletin of Glaciological Research
Online ISSN : 1884-8044
Print ISSN : 1345-3807
Report
Field activities at the SIGMA-A site, northwestern Greenland Ice Sheet, 2017(2017年グリーンランド氷床北西部SIGMA-Aサイトにおける観測報告)
Sumito MATOBA(的場澄人)Masashi NIWANO(庭野匡思)Tomonori TANIKAWA(谷川朋範)Yoshinori IIZUKA(飯塚芳徳)Tetsuhide YAMASAKI(山崎哲秀)Yutaka KUROSAKI(黒﨑豊)Teruo AOKI(青木輝夫)Akihiro HASHIMOTO(橋本明弘)Masahiro HOSAKA(保坂征宏)Shin SUGIYAMA(杉山慎)
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2018 年 36 巻 p. 15-22

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During spring 2017, we conducted research expeditions to the SIGMA-A site, which is located on the northwestern Greenland Ice Sheet. We maintained an automated weather station (AWS) to enable continuous meteorological observations. We extended 1.5-m long poles of the AWS and replaced two aerovane sensors, two thermo-hydrometers and an ultrasonic snow gauge. We also drilled an ice core and recovered a core with a total length of 60.06m, conducted stratigraphic observations, and measured the density of the ice core. In addition, we conducted snow-pit observations and snow sampling, measured the specific surface area of snow using near-infrared reflectance, performed sunphotometry observations, and measured the spectral albedo. To schedule research activities in the field camp and helicopter pick-up flights, we received weather forecasts from the Meteorological Research Institute of Japan through the Internet using a satellite phone every day. We took a male dog to the field camp to alert us to approaching animals.

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© 2018 公益社団法人 日本雪氷学会
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