SNOW CHEMISTRY ON MT. CHANBAL, CHINA
The seasonal wind i. e. the winter monsoon that blows from China and Siberia, plays an important role in the control of the weather of Japan in winter. Also, it is conceivable that acid substances are carried from China and Korea by the winter monsoon. Little research regarding the chemistry of snow...
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Department of Environmental Sciences, Shinshu University
1997
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ftnipr:oai:nipr.repo.nii.ac.jp:00003996 2023-05-15T18:02:11+02:00 SNOW CHEMISTRY ON MT. CHANBAL, CHINA スズキ ケイスケ タカハシ ヒデノリ / Keisuke SUZUKI Hidenori TAKAHASHI Huanchen ZHAO 1997-11 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3996 http://id.nii.ac.jp/1291/00003996/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3996&item_no=1&attribute_id=18&file_no=1 en eng Department of Environmental Sciences, Shinshu University Graduate School of Environmental Earth Science, Hokkaido University Changchun Institute of Geography, Chinese Academy of Science National Institute of Polar Research https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3996 http://id.nii.ac.jp/1291/00003996/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 11, 251(1997-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3996&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1997 ftnipr 2023-01-07T19:56:01Z The seasonal wind i. e. the winter monsoon that blows from China and Siberia, plays an important role in the control of the weather of Japan in winter. Also, it is conceivable that acid substances are carried from China and Korea by the winter monsoon. Little research regarding the chemistry of snow on the windward side of the winter monsoon that blows to Japan has been reported. Snow samples were collected at three points of the north slope of Mt. Chanbai, China on 12 March, 1996. At each point, a snow trench was dug through the snow cover to the ground surface. The wall facing north was made vertical and smooth, following which the snow stratigraphy was observed. Snow samples were taken from each layer with a clear plastic scoop. Each collected snow sample was filtered through a 0.45 micron pore size membrane filter. Conductivity and pH of filtered samples were measured with a conductivity meter and pH meter, respectively. The concentrations of major ions (Na^+, NH_4^+, K^+, Mg^<2+>, Ca^<2+>, F^-, Cl^-, NO_2^-, NO_3^-, SO_4^<2->) were determined by ion chromatography (Dionex DX-500,2020i/SP). The isotopic composition of oxygen-18 (δ^<18>O) was determined by a mass spectrometer (Finnigan MAT : delta S) on CO_2 equilibrated with samples. Snowfall was observed from 7 to 9 March, 1996 at The Research Station of Chanbai Mountain Forest Ecosystems. This snow layer was distinguished clearly on 12 March at each point. A mutual relationship between the δ^<18>O value of this surface layer and the altitude of sampling point is recognized. The pH of the surface layer varied from 4.90 to 5.76. SO_4^<2-> is a major anion in every sample. Report Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Siberia National Institute of Polar Research Repository, Japan |
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Open Polar |
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National Institute of Polar Research Repository, Japan |
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ftnipr |
language |
English |
description |
The seasonal wind i. e. the winter monsoon that blows from China and Siberia, plays an important role in the control of the weather of Japan in winter. Also, it is conceivable that acid substances are carried from China and Korea by the winter monsoon. Little research regarding the chemistry of snow on the windward side of the winter monsoon that blows to Japan has been reported. Snow samples were collected at three points of the north slope of Mt. Chanbai, China on 12 March, 1996. At each point, a snow trench was dug through the snow cover to the ground surface. The wall facing north was made vertical and smooth, following which the snow stratigraphy was observed. Snow samples were taken from each layer with a clear plastic scoop. Each collected snow sample was filtered through a 0.45 micron pore size membrane filter. Conductivity and pH of filtered samples were measured with a conductivity meter and pH meter, respectively. The concentrations of major ions (Na^+, NH_4^+, K^+, Mg^<2+>, Ca^<2+>, F^-, Cl^-, NO_2^-, NO_3^-, SO_4^<2->) were determined by ion chromatography (Dionex DX-500,2020i/SP). The isotopic composition of oxygen-18 (δ^<18>O) was determined by a mass spectrometer (Finnigan MAT : delta S) on CO_2 equilibrated with samples. Snowfall was observed from 7 to 9 March, 1996 at The Research Station of Chanbai Mountain Forest Ecosystems. This snow layer was distinguished clearly on 12 March at each point. A mutual relationship between the δ^<18>O value of this surface layer and the altitude of sampling point is recognized. The pH of the surface layer varied from 4.90 to 5.76. SO_4^<2-> is a major anion in every sample. |
format |
Report |
author |
スズキ ケイスケ タカハシ ヒデノリ / Keisuke SUZUKI Hidenori TAKAHASHI Huanchen ZHAO |
spellingShingle |
スズキ ケイスケ タカハシ ヒデノリ / Keisuke SUZUKI Hidenori TAKAHASHI Huanchen ZHAO SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
author_facet |
スズキ ケイスケ タカハシ ヒデノリ / Keisuke SUZUKI Hidenori TAKAHASHI Huanchen ZHAO |
author_sort |
スズキ ケイスケ |
title |
SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
title_short |
SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
title_full |
SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
title_fullStr |
SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
title_full_unstemmed |
SNOW CHEMISTRY ON MT. CHANBAL, CHINA |
title_sort |
snow chemistry on mt. chanbal, china |
publisher |
Department of Environmental Sciences, Shinshu University |
publishDate |
1997 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3996 http://id.nii.ac.jp/1291/00003996/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3996&item_no=1&attribute_id=18&file_no=1 |
genre |
Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Siberia |
genre_facet |
Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology Siberia |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3996 http://id.nii.ac.jp/1291/00003996/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 11, 251(1997-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3996&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766171949856194560 |