Variations of oceanic pCO2 and air-sea CO2 flux in the eastern Indian sector of the Southern Ocean for the austral summer of 2001-2002

被引：5
|
作者：
Nakaoka, Shin-ichiro [1 ,2 ,3 ]
Nakazawa, Takakiyo [2 ]
Yoshikawa-Inoue, Hisayuki [4 ]
Aoki, Shuji [2 ]
Hashida, Gen [1 ]
Ishii, Masao [5 ]
Yamanouchi, Takashi [1 ]
Odate, Tsuneo [1 ]
Fukuchi, Mitsuo [1 ]
机构：
[1] Natl Inst Polar Res, Tokyo 1908518, Japan
[2] Tohoku Univ, Ctr Atmospher & Ocean Studies, Grad Sch Sci, Sendai, Miyagi 9808578, Japan
[3] Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan
[4] Hokkaido Univ, Lab Marine & Atmospher Geochem, Grad Sch Environm Earth Sci, Sapporo, Hokkaido 0600810, Japan
[5] Meteorol Res Inst, Dept Geochem, Tsukuba, Ibaraki 3050052, Japan
来源：
GEOPHYSICAL RESEARCH LETTERS | 2009年 / 36卷
关键词：
TASMANIA; VARIABILITY; CYCLE; ICE;
D O I：
10.1029/2009GL038467
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We examined pCO(2)(air) and pCO(2)(sea) observed in the eastern Indian sector of the Southern Ocean (south of 50 degrees S, 140 degrees-150 degrees E) during austral spring-summer from November 2001 to March 2002 using 4 research vessels. pCO(2)(sea) changed by as much as 200 mu atm over the 5-month period in the Seasonal Sea Ice Zone (SSIZ), due mostly to very low values in January caused by stratification of water column and strong biological activity. In the SSIZ, the air-sea CO2 flux showed large temporal variations, from -2.9 g m(-2) month(-1) in January 2002 to -0.65 g m(-2) month(-1) in February 2002. The monthly oceanic CO2 uptake in the area covered by this study (1.5 x 10(12) km(2)) was estimated to be in a range of 1.0 x 10(-3) to 1.7 x 10(-3) PgC month(-1), with a mean value of 1.3 x 10(-3) PgC month(-1). Citation: Nakaoka, S., T. Nakazawa, H. Yoshikawa-Inoue, S. Aoki, G. Hashida, M. Ishii, T. Yamanouchi, T. Odate, and M. Fukuchi (2009), Variations of oceanic pCO(2) and air-sea CO2 flux in the eastern Indian sector of the Southern Ocean for the austral summer of 2001-2002, Geophys. Res. Lett., 36, L14610, doi: 10.1029/2009GL038467.
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页数：5
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