AIRCRAFT MEASUREMENTS OF ATMOSPHERIC CO_2 CONCENTRATION OVER THE ANTARCTIC REGION
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概要
- 論文の詳細を見る
Aircraft measurements of the atmospheric CO_2 concentration over Syowa Station (69°00'S, 39°35'E), Antarctica have been continued since January 1983,except in 1985 and 1988. Since the data obtained so far are still insufficient and the measurements were not made in all seasons of all years, there is some uncertainty in the results. Nevertheless, preliminary inspection of the data shows that : (1) the maximum and minimum concentrations of the average seasonal CO_2 cycle in the lower and middle troposphere appear early in October and in mid-April, respectively; (2) in the upper troposphere, the maximum and minimum occur late in September and early in May, respectively; (3) the peak-to-peak amplitude of the seasonal cycle decreases slightly with height except near the ground surface; (4) the CO_2 concentration increases gradually with height the year and the height-dependent difference of the concentration is smaller in austral winter and spring than in remaining seasons of the year. From comparison with the results of ground-fixed measurements at the South Pole and Cape Grim, Tasmania and other aircraft measurements, it is suggested that the northern hemispheric air with high CO_2 concentration is transported to the Antarctic region through the upper troposphere from austral winter to spring, while air with low CO_2 concentration is transported from southern middle latitudes into the Antarctic region through the lower troposphere in remaining seasons.
- 国立極地研究所の論文
著者
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張 紀久夫
阪大基:福井工大工
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Yamanouchi Takashi
National Institute of Polar Research
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Takata Morimasa
National Institute Of Polar Research
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Kawaguchi Sadao
Nagaoka National College Of Technology
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Shiobara Masataka
National Institute For Polar Research
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Shiobara Masataka
Meteorological Research Institute
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Morimoto S
National Institute Of Polar Research Organization Of Information And Systems
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Shimohara Kimiko
Kitami Institute of Technology
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Nakazawa Takakiyo
Center for Atmospheric and Oceanic Studies, Tohoku University
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
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Aoki Shuji
Center For Atmospheric And Oceanic Studies Graduate School Of Science Tohoku University
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KAWAGUCHI Sadao
National Institute of Polar Research
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TANAKA Masayuki
Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University
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AOKI Shuhji
National Institute of Polar Research
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MAKINO Yukio
Meteorological Research Institute
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FUKABORI Masashi
Meteorological Research Institute
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MURAYAMA Shohei
Center for Atmospheric and Oceanic Studies, Faculty of Science, Tohoku University
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Yamanouchi Takashi
National Institute For Polar Research
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Morimoto S
National Inst. Polar Res. Tokyo Jpn
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Aoki Shuhji
Faculty Of Science Tohoku University
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Tanaka Masayuki
Center For Atmospheric And Oceanic Studies Faculty Of Science Tohoku University
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Mae Shinji
Department Of Applied Physics Hokkaido University
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Makino Yukio
Hakodate Marine Observatory, Japan Meteorological Agency
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Graduate School Of Sci. Tohoku Univ.
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Nakazawa Takakiyo
Center For Atmospheric And Oceanic Studies Faculty Of Science
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Murayama Shohei
Center For Atmospheric And Oceanic Studies Tohoku University
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Shiobara M
Meteorological Res. Inst. Tsukuba Jpn
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Fukabori M
Meteorological Res. Inst. Ibaraki Jpn
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Shinbori K
Hokkaido Univ. Sapporo
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Yamada T
Geosystems Inc.
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Kawaguchi Sadao
Nagoya University
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Yamanouchi Takashi
National Inst. Of Polar Res. And Dep. Of Polar Sci. The Graduate Univ. For Advanced Studies 10-3 Mid
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Yamanouchi Takashi
National Institute Of Polar Research 10-3 Midoricho Tachikawa Tokyo Japan.
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Mae Shinji
National Institute For Resources And Environment
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Shinbori K
Nagaoka National College Of Technology
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Yamada Tomomi
Geosystems Inc.
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