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  • 标题:RESOLuTION - Rapid climatic and environmental shifts during Oxygen Isotope Stages 2 and 3 - linking highresolution terrestrial, ice core and marine archives
  • 本地全文:下载
  • 作者:BARBARA WOHLFARTH ; K. HELMENS ; S. WASTEG.RD
  • 期刊名称:PAGES News
  • 印刷版ISSN:1811-1602
  • 电子版ISSN:1811-1610
  • 出版年度:2007
  • 卷号:15
  • 期号:1
  • 页码:7-7
  • 出版社:PAGES International Project Office
  • 摘要:Understanding the complex paleoenvironmental processes associated with the rapid centennial- to millennial-scale Dansgaard- Oeschger (DO) oscillations and Heinrich (H) events during the last glacial period is a major issue in paleoclimate research. These dramatic changes have been documented in ice-core, marine and terrestrial records, but large dating uncertainties prevent detailed, time-synchronous correlations between land, ocean and ice core archives. These correlations are necessary if the roles played by the diff erent parts of Earth’s environmental system are to be understood. The ESF EuroCores Project on EuroClimate RESOLuTION is addressing these issues by linking high-resolution, multi-proxy marine, terrestrial and ice-core records through detailed geochronology and time-synchronous tephra horizons (Fig. 1). Moreover, it explores the impact of abrupt climatic changes on Paleolithic populations in Europe and performs transient simulations with a coupled atmosphere-oceanvegetation model to simulate realistic DO stadial-interstadial changes. The overall aim of RESOLuTION is to propose a scenario that can explain the diff erent timing and impact of DO climate variability on the Atlantic Ocean and adjacent European regions, thus signifi cantly contributing to the debate on mechanisms underlying sub-orbital climate variability.
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