Solar forcing synchronizes decadal North Atlantic climate variability

DOI HANDLE PDF Web Site PubMed 被引用文献8件 参考文献42件 オープンアクセス

書誌事項

公開日
2015-09-15
資源種別
journal article
権利情報
  • https://creativecommons.org/licenses/by/4.0
  • https://creativecommons.org/licenses/by/4.0
DOI
  • 10.1038/ncomms9268
公開者
Springer Science and Business Media LLC

説明

<jats:title>Abstract</jats:title><jats:p>Quasi-decadal variability in solar irradiance has been suggested to exert a substantial effect on Earth’s regional climate. In the North Atlantic sector, the 11-year solar signal has been proposed to project onto a pattern resembling the North Atlantic Oscillation (NAO), with a lag of a few years due to ocean-atmosphere interactions. The solar/NAO relationship is, however, highly misrepresented in climate model simulations with realistic observed forcings. In addition, its detection is particularly complicated since NAO quasi-decadal fluctuations can be intrinsically generated by the coupled ocean-atmosphere system. Here we compare two multi-decadal ocean-atmosphere chemistry-climate simulations with and without solar forcing variability. While the experiment including solar variability simulates a 1–2-year lagged solar/NAO relationship, comparison of both experiments suggests that the 11-year solar cycle synchronizes quasi-decadal NAO variability intrinsic to the model. The synchronization is consistent with the downward propagation of the solar signal from the stratosphere to the surface.</jats:p>

収録刊行物

  • Nature Communications

    Nature Communications 6 (1), 8268-, 2015-09-15

    Springer Science and Business Media LLC

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