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iriver595t

木虫 (正式写手)

[求助] 大家帮看看这段话什么意思

Tropical temperatures during the LGM is important.

The matter is of more than academic interest because the role of tropical SSTs is very important in understanding how global climates may change in the future. If large decreases in tropical SSTs did occur during glacial times, it implies that climate sensitivity to changes in greenhouse gases (and associated feedbacks) is at the high end of most estimates (~4.5 centigrade for doubling of CO2), otherwise the LGM forcing would not have produced such large changes.
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risewithsu

银虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
lz定量重建了热带SST?这是审稿意见?

冰期/间冰期热带的SST的变幅几乎可以视为温室气体强迫的最大值。

中更新世以来 CO2浓度在冰期190ppmv 间冰期280ppmv。

热带SST变幅过高,一旦证实,对基于人为碳排放的全球变暖研究、及其后果评估将有重大影响。

lz看看数据吧
3楼2012-03-27 11:47:30
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