Anthropogenic carbon distribution in the eastern South Pacific Ocean

被引：22

作者：

Goyet, C. ^{[1
]}

Goncalves, R. Ito ^{[2
]}

Touratier, F. ^{[1
]}

机构：

[1] Univ Perpignan, IMAGES, F-66860 Perpignan, France

[2] Univ Sao Paulo, Inst Oceanog, BR-05508900 Sao Paulo, Brazil

来源：

BIOGEOSCIENCES | 2009年 / 6卷 / 02期

关键词：

INTERMEDIATE WATER; EQUATORIAL PACIFIC; TROPICAL PACIFIC; CO2; INCREASE;

D O I：

10.5194/bg-6-149-2009

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

We present results of the CO2/carbonate system from the BIOSOPE cruise in the Eastern South Pacific Ocean, in an area not sampled previously. In particular, we present estimates of the anthropogenic carbon (C-ant(TrOCA)) distribution in the upper 1000m of this region using the TrOCA method. The highest concentrations of C-ant(TrOCA) found around 13 degrees S, 132 degrees W and 32 degrees S, 91 degrees W, are higher than 80 mu mol.kg(-)1 and 70 mu mol.kg(-1), respectively. The lowest concentrations are observed below 800m depth (<= 2 mu mol.kg(-1)) and within the Oxygen Minimum Zone (OMZ), mainly around 140 degrees W (< 11 mu mol.kg(-1)). As a result of the anthropogenic carbon penetration there has been decrease in pH by over 0.1 on an average in the upper 200 m. This work further improves our understanding on the penetration of anthropogenic carbon in the Eastern Pacific Ocean.

引用

收藏

页码：149 / 156

页数：8

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