Regional characteristics of chemical constituents in surface snow, Arctic cryosphere

• Main Authors: モトヤマ ヒデアキ, ワタナベ オキツグ, カミヤマ コキチ, イガラシ マコト, アズマ クミコ, フジイ ヨシユキ, イイズカ ヨシノリ, マトバ スミト, ナリタ ヒデキ, カメダ タカオ, Hideaki Motoyama, Okitsugu Watanabe, Kokichi Kamiyama, Makoto Igarashi, Kumiko Azuma, Yoshiyuki Fujii, Yoshinori Iizuka, Sumito Matoba, Hideki Narita, Takao Kameda
• Format: Report
• Language: English
• Published: Scientific Paper 2001
• Subjects: Arctic; Svalbard; Canada; Greenland; Severnaya Zemlya; arctic cryosphere; glacier; glacier*; Ice Sheet; Polar meteorology and glaciology
• Online Access: https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=2930; http://id.nii.ac.jp/1291/00002930/; https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2930&item_no=1&attribute_id=18&file_no=1

Surface snow observations were carried out on many glaciers in the Arctic. The observational sites were in Svalbard, Severnaya Zemlya, Greenland and arctic Canada. The seasonal variations of chemical constituents in snowfall remained in the surface snow on the central Greenland ice sheet where the effect of snowmelt was weak. Conversely, the chemical constituents in the snow layer changed with infiltration of melt water on the Svalbard glacier where strong snowmelt occurred, even in high latitudes. But in general, specific regional characteristics remained in all the glaciers. The concentrations of ions in snow were significantly decreased, because of percolation of melt water. But the ratio of NO_3 to Cl still had unique regional characteristic values.