SUBMARINE SEEP OF CARBON-DIOXIDE IN NORTON SOUND, ALASKA

被引:24
作者
KVENVOLDEN, KA [1 ]
WELIKY, K [1 ]
NELSON, H [1 ]
DESMARAIS, DJ [1 ]
机构
[1] NASA,AMES RES CTR,MOFFETT FIELD,CA 94035
关键词
D O I
10.1126/science.205.4412.1264
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Earlier workers have described a submarine gas seep in Norton Sound having an unusual mixture of petroleum-like, low-molecular-weight hydrocarbons. Actually, only about 0.04 percent of the seeping gas is hydrocarbons and 98 percent is carbon dioxide. The isotopic compositions of carbon dioxide (δ13CPDB = -2.7 per mil) and methane (δ13CPDB = -36 per mil, where PDB is the Peedee belemnite standard) indicate that geothermal processes are active here. Copyright © 1979 AAAS.
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页码:1264 / 1266
页数:3
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