DISSOLVED ORGANIC-CARBON IN THE EQUATORIAL ATLANTIC-OCEAN

被引：73

作者：

THOMAS, C ^{[1
]}

CAUWET, G ^{[1
]}

MINSTER, JF ^{[1
]}

机构：

[1] LAB ARAGO,GDR INTERACT CONTINENT OCEAN 909,CNRS,F-66650 BANYULS SUR MER,FRANCE

来源：

MARINE CHEMISTRY | 1995年 / 49卷 / 2-3期

关键词：

D O I：

10.1016/0304-4203(94)00061-H

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We measured the concentration of dissolved organic carbon (DOG) in the equatorial Atlantic Ocean, using a high-temperature carbon oxidation technique and platinized-quartz catalysts. Below 400 m, values are nearly homogeneous near 46 +/- 7 mu M C. Concentrations are higher, up to 97 mu M C at the surface, outside of the equatorial upwelling during the warm season. They are somewhat lower, near 66 mu M C on average, in upwelling waters during the cold season. These values are close to previously published data from the subtropical Atlantic Ocean, and to recent values for the Pacific Ocean. A box model of the equatorial upwelling suggests that only 20 +/- 15% of the exported flux of total biogenic carbon is in dissolved form.

引用

页码：155 / 169

页数：15

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