Stable sea surface temperatures in the western pacific warm pool over the past 1.75 million years

Article Abstract:

High-resolution records of sea-surface temperatures spanning the past 1.75 million years are presented which are obtained from oxygen isotopes and Mg/Ca ratios in planktonic foraminifera from the western Pacific warm pool. It is found that in contrast with the eastern equatorial regions, sea surface temperatures in the western Pacific warm pool are relatively stable throughout the Pleistocene epoch implying little long-term change in the tropical net radiation budget.

United States, Ocean temperature, Foraminifera

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Northern Hemisphere circulation

Article Abstract:

Observed Northern Hemisphere sea-level pressure trends are compared with those simulated in response to the entire major human and natural climate influences in nine state-of-the-art coupled climate models over the past 50 years. It is found that these models all underestimate the circulation trend, suggesting that scientists cannot yet simulate changes in this important property of the climate system or accurately predict regional climate changes.

Climatic changes, Climate change, Northern Hemisphere

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