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SGER: Biogenic Sulfur Compounds in the Bering Sea

SGER: Biogenic Sulfur Compounds in the Bering Sea
SGER:白令海中的生物硫化合物
批准号:
0104190
负责人:
Giacomo DiTullio
金额:
$5.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-01-01 至 2002-06-30

项目摘要

项目成果

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中文摘要
翻译
该项目将研究最近在白令海发生的一次重大生物变化的影响。白令海曾经是以硅藻为主的海洋,现在已经变成了以浮游生物为主的海洋。浮游植物丰度的戏剧性变化有许多影响,其中最重要的是球藻生物排放出二甲基硫化物(DMS)和二甲基亚砜(DMSO)气体。DMS和DMSO是温室气体,在北极引入这些气体可能会导致该地区变暖加剧,并在北极以外产生相应的影响。
英文摘要
The project will examine the effects of a major biological change that has occurred recently in the Bering Sea. Once a diatom-dominated ocean, the Bering Sea has changed to a coccolithophore-dominated ocean. The dramatic change in phytoplankton abundance has many ramifications, not the least of which is that coccolithophores emit the gases Dimethylsulfide (DMS) and dimethylsulfoxide (DMSO). DMS and DMSO are greenhouse gases and the introduction of these gases in the Arctic could lead to enhanced warming of the region and concomitant effects beyond the Arctic.
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