VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS
Aircraft and ground-based measurements of the atmospheric CO_2 concentration have been made respectively at and over Syowa Station, Antarctica since January 1983. The minimum concentration of the average seasonal CO_2 cycle occurs in March throughout the troposphere and the maximum concentration app...
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1994
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ftnipr:oai:nipr.repo.nii.ac.jp:00003842 2023-05-15T13:49:01+02:00 VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS ムラヤマ ショウヘイ ナカザワ タカキヨ ヤマザキ コウジ アオキ シュンジ マキノ ユキオ シオバラ マサタカ フカボリ マサシ ヤマノウチ タカシ シミズ アキラ ハヤシ マサヒコ カワグチ サダオ タナカ マサユキ Shohei MURAYAMA Takakiyo NAKAZAWA Koji YAMAZAKI Shuhji AOKI Yukio MAKINO Masataka SHIOBARA Masashi FUKABORI Takashi YAMANOUCHI Akira SHIMIZU Masahiko HAYASHI Sadao KAWAGUCHI Masayuki TANAKA 1994-11 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3842 http://id.nii.ac.jp/1291/00003842/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3842&item_no=1&attribute_id=18&file_no=1 en eng ABSTRACT National Institute for Resources and Environment Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University Meteorological Research Institute National Institute of Polar Research National Institute for Environmental Studies Solar-Terrestrial Environment Laboratory, Nagoya University https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3842 http://id.nii.ac.jp/1291/00003842/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 185(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3842&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1994 ftnipr 2022-12-17T19:45:54Z Aircraft and ground-based measurements of the atmospheric CO_2 concentration have been made respectively at and over Syowa Station, Antarctica since January 1983. The minimum concentration of the average seasonal CO_2 cycle occurs in March throughout the troposphere and the maximum concentration appears in mid-August and late in September in the upper troposphere and in the lower and middle troposphere, respectively. The peak-to-peak amplitude of the cycle decreases slightly with height. The CO_2 concentration increases with height during most of the year and the height-dependent concentration difference is smaller from late winter to spring than in the remaining seasons. To interpret these variations of the CO_2 concentration, 3-dimensional trajectory analysis was done using U.S. NMC data. From the results obtained, it is suggested that the northern hemispheric air with high CO_2 concentration is transported to the Antarctic region through the upper troposphere from late fall to winter, while the air with low CO_2 concentration is transported from southern middle latitudes into the Antarctic region through the lower troposphere in the remaining seasons. These air transport processes are especially important for variations of the CO_2 concentration over the station. Report Antarc* Antarctic Antarctica Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology National Institute of Polar Research Repository, Japan Antarctic The Antarctic Syowa Station |
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Open Polar |
collection |
National Institute of Polar Research Repository, Japan |
op_collection_id |
ftnipr |
language |
English |
description |
Aircraft and ground-based measurements of the atmospheric CO_2 concentration have been made respectively at and over Syowa Station, Antarctica since January 1983. The minimum concentration of the average seasonal CO_2 cycle occurs in March throughout the troposphere and the maximum concentration appears in mid-August and late in September in the upper troposphere and in the lower and middle troposphere, respectively. The peak-to-peak amplitude of the cycle decreases slightly with height. The CO_2 concentration increases with height during most of the year and the height-dependent concentration difference is smaller from late winter to spring than in the remaining seasons. To interpret these variations of the CO_2 concentration, 3-dimensional trajectory analysis was done using U.S. NMC data. From the results obtained, it is suggested that the northern hemispheric air with high CO_2 concentration is transported to the Antarctic region through the upper troposphere from late fall to winter, while the air with low CO_2 concentration is transported from southern middle latitudes into the Antarctic region through the lower troposphere in the remaining seasons. These air transport processes are especially important for variations of the CO_2 concentration over the station. |
format |
Report |
author |
ムラヤマ ショウヘイ ナカザワ タカキヨ ヤマザキ コウジ アオキ シュンジ マキノ ユキオ シオバラ マサタカ フカボリ マサシ ヤマノウチ タカシ シミズ アキラ ハヤシ マサヒコ カワグチ サダオ タナカ マサユキ Shohei MURAYAMA Takakiyo NAKAZAWA Koji YAMAZAKI Shuhji AOKI Yukio MAKINO Masataka SHIOBARA Masashi FUKABORI Takashi YAMANOUCHI Akira SHIMIZU Masahiko HAYASHI Sadao KAWAGUCHI Masayuki TANAKA |
spellingShingle |
ムラヤマ ショウヘイ ナカザワ タカキヨ ヤマザキ コウジ アオキ シュンジ マキノ ユキオ シオバラ マサタカ フカボリ マサシ ヤマノウチ タカシ シミズ アキラ ハヤシ マサヒコ カワグチ サダオ タナカ マサユキ Shohei MURAYAMA Takakiyo NAKAZAWA Koji YAMAZAKI Shuhji AOKI Yukio MAKINO Masataka SHIOBARA Masashi FUKABORI Takashi YAMANOUCHI Akira SHIMIZU Masahiko HAYASHI Sadao KAWAGUCHI Masayuki TANAKA VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
author_facet |
ムラヤマ ショウヘイ ナカザワ タカキヨ ヤマザキ コウジ アオキ シュンジ マキノ ユキオ シオバラ マサタカ フカボリ マサシ ヤマノウチ タカシ シミズ アキラ ハヤシ マサヒコ カワグチ サダオ タナカ マサユキ Shohei MURAYAMA Takakiyo NAKAZAWA Koji YAMAZAKI Shuhji AOKI Yukio MAKINO Masataka SHIOBARA Masashi FUKABORI Takashi YAMANOUCHI Akira SHIMIZU Masahiko HAYASHI Sadao KAWAGUCHI Masayuki TANAKA |
author_sort |
ムラヤマ ショウヘイ |
title |
VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
title_short |
VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
title_full |
VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
title_fullStr |
VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
title_full_unstemmed |
VARIATIONS OF ATMOSPHERIC CO_2 CONCENTRATION OVER SYOWA STATION, ANTARCTICA AND AIR TRANSPORT PROCESS |
title_sort |
variations of atmospheric co_2 concentration over syowa station, antarctica and air transport process |
publisher |
ABSTRACT |
publishDate |
1994 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3842 http://id.nii.ac.jp/1291/00003842/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3842&item_no=1&attribute_id=18&file_no=1 |
geographic |
Antarctic The Antarctic Syowa Station |
geographic_facet |
Antarctic The Antarctic Syowa Station |
genre |
Antarc* Antarctic Antarctica Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology |
genre_facet |
Antarc* Antarctic Antarctica Polar meteorology and glaciology Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3842 http://id.nii.ac.jp/1291/00003842/ AA10756213 Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology, 8, 185(1994-11) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3842&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766250439288815616 |