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An 800-year reconstruction of Elbe River discharge and German Bight sea-surface salinity

机译:易北河流量和德国海岸线海盐度的800年重建

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摘要

On the basis of stable oxygen isotopes (δ~(18)O), the summer sea-surface salinity of the German Bight, southeastern North Sea, was determined for the past 800 years. In this near-coastal area, salinity is mainly dependent on the freshwater input of the Elbe River discharging its large catchment, which covers an area of 149000 km~2 of central Europe. Therefore, a proxy for Elbe River discharge was reconstructed at the same time, and consequently the δ~(18)O record is also mirroring variations in precipitation within the entire drainage basin. Significant variations in these palaeoenvironmental variables are linked to climatic changes.
机译:根据稳定的氧同位素(δ〜(18)O),确定了过去800年中北海东南部德国湾的夏季海表盐度。在这个近岸地区,盐度主要取决于易北河排放的大流域的淡水输入量,该流域覆盖了中欧的149000 km〜2。因此,同时重建了易北河流量的替代物,因此δ〜(18)O记录也反映了整个流域内降水的变化。这些古环境变量的显着变化与气候变化有关。

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