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Gauging Quaternary Sea Level Changes Through Scientific Ocean Drilling

机译:通过科学海洋钻探测量第四纪海平面变化

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摘要

Indicators of past sea level play a key role in tracking the history of global climate. Variations in global sea level are controlled mainly by growth and decay of continental glaciers and temperatures that are closely correlated with the mean global climate state (glacial and interglacial cycles). Our understanding of global climate and sea level has benefited significantly from improvements in ocean floor sampling achieved by the Ocean Drilling Program (ODP) and the Integrated Ocean Drilling and International Ocean Discovery Programs (IODP), as well as from the application of new analytical techniques and isotope mass spectrometry. This paper presents an overview of recent advances in paleo-sea level studies based on analysis of samples and data from deep-sea sediment cores and drowned coral reefs obtained through ODP and IODP. Future scientific ocean drilling will contribute further to studies of ice sheet dynamics under different climatic boundary conditions.
机译:过去海平面的指标在跟踪全球气候的历史中起着关键作用。全球海平面的变化主要受大陆冰川的生长和衰落以及与平均全球气候状态(冰川和冰川间周期)密切相关的温度控制。我们对全球气候和海平面的了解,得益于海洋钻探计划(ODP)和海洋钻探与国际海洋发现计划(IODP)相结合实现的海底采样改善,以及新分析技术的应用和同位素质谱。本文通过对来自深海沉积物芯和通过ODP和IODP获得的珊瑚礁的样本和数据进行分析,概述了古海平面研究的最新进展。未来的科学海洋钻探将进一步有助于研究不同气候边界条件下的冰盖动力学。

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  • 来源
    《Oceanography》 |2019年第1期|64-71|共8页
  • 作者单位

    Univ Tokyo, Atmosphere & Ocean Res Inst, Tokyo, Japan|Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan|Japan Agcy Marine Earth Sci & Technol, Inst Biogeosci, Yokosuka, Kanagawa, Japan;

    Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT, Australia;

    Natl Inst Polar Res, Tachikawa, Tokyo, Japan;

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