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Extending the Instrumental Record of Ocean-Atmosphere Variability into the Last Interglacial Using Tropical Corals

机译：使用热带珊瑚将乐器记录延伸到最后一个中间峡谷中

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摘要

The interaction of warm tropical ocean surface waters with the overlying atmosphere on seasonal, interannual, and decadal timescales is the source of climate extremes throughout the tropics and beyond. Tropical cyclones, heatwaves, flash floods, droughts, and El Nino have severe effects on ecosystems and societies globally. Projecting their amplitude and frequency changes in a warming climate requires knowledge of how the tropical ocean-atmosphere system operated in the past. Tropical shallow-water corals have great potential for extending the short and rather sparse instrumental record of sea surface observations at monthly resolution. Coral records deliver quantitative information about the fluctuations of sea surface temperature and hydrology on seasonal, interannual, and decadal timescales, with precise chronology. They provide a paleo-observational constraint on climate model simulations of past and future tropical ocean-atmosphere variability. This article highlights selected recent achievements in coral-based reconstructions of surface ocean conditions during recent centuries, the Holocene, the last deglaciation, and the last interglacial period. Future work combining ultrahigh-resolution coral reconstructions, novel analytical techniques, advanced statistical methods, and Earth system modeling will contribute to improved projections of tropical marine climate variability and the fates of coral reef ecosystems.
机译：温热的热带海洋水域与季节性，营养和划分时间尺寸的覆盖气氛的相互作用是整个热带地区和超越的气候极端的源泉。热带旋风，热浪，闪光洪水，干旱和埃尔尼诺对全球生态系统和社会产生严重影响。在变暖的气候中投射幅度和频率变化需要了解过去的热带海洋气氛系统。热带浅水珊瑚具有巨大的潜力，可在月度分辨率下延长海面观测的短且相当稀疏的乐器记录。珊瑚记录提供有关海面温度和水文波动的定量信息，季节性，营工和划分时间尺度，精确的年表。它们为过去和未来热带海洋气氛变异性的气候模型模拟提供了古观测的制约因素。本文突出了最近几个世纪以来，全新世，最后的谴责和最后一次爆裂时期的珊瑚基重建最近的珊瑚基重建成果。结合超高分辨率珊瑚重建，新的分析技术，高级统计方法和地球系统建模的未来工作将有助于改善热带海洋气候变异性和珊瑚礁生态系统的命运的预测。

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  • 来源
    《Oceanography》 |2020年第2期|68-79|共12页
  • 作者

    Felis Thomas;

  • 作者单位

    Univ Bremen MARUM Ctr Marine Environm Sci Bremen Germany;

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  • 正文语种 eng
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