GLOBAL CARBON-DIOXIDE EMISSION TO THE ATMOSPHERE BY VOLCANOS

被引：119

作者：

WILLIAMS, SN

SCHAEFER, SJ

CALVACHE, ML

LOPEZ, D

机构：

[1] OBSERV VULCANOL COLOMBIA,PASTO,COLOMBIA

[2] UNIV BRITISH COLUMBIA,DEPT GEOL SCI,VANCOUVER V6T 2B4,BC,CANADA

来源：

GEOCHIMICA ET COSMOCHIMICA ACTA | 1992年 / 56卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0016-7037(92)90243-C

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Global emission of carbon dioxide by subaerial volcanoes is calculated, using CO2/SO2 from volcanic gas analyses and SO2 flux, to be 34 +/- 24 x 10(12) g CO2/yr from passive degassing and 31 +/- 22 x 10(12) g CO2/yr from eruptions. Volcanic CO2 presently represents only 0.22% of anthropogenic emissions but may have contributed to significant "greenhouse" effects at times in Earth history. Models of climate response to CO2 increaes may be tested against geological data.

引用

收藏

页码：1765 / 1770

页数：6

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