波罗的海西部利托里纳海侵第一阶段海平面快速上升

IF 2.6 3区地球科学 Q2 OCEANOGRAPHY

Oceanologia Pub Date : 2023-01-01 DOI:10.1016/j.oceano.2022.05.001

Karl Stattegger, Karolina Leszczyńska

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引用次数: 4

摘要

利用线性年龄-高程模型，来自波罗的海西部的冰川均衡调整(GIA)校正的限制非海洋和海洋海平面数据表明，在Littorina海侵的第一阶段，相对海平面(RSL)快速上升了18米。这种加速的RSL上升发生在距今8.57 ~ 8.0 ka, RSL上升速率为31.5 mm/年。在不到600年的时间里，平均相对海平面(bmrsl)从28 m上升到10 m。Littorina海侵的第一阶段记录了最后一次大融水脉冲(MWP)，由于Laurentide冰盖的最终衰变和来自南极洲的额外融水来源，世界其他地区也报道了这一脉冲。

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Rapid sea-level rise during the first phase of the Littorina transgression in the western Baltic Sea

Glacio-isostatic adjustment (GIA) corrected limiting non-marine and marine sea-level data from the western Baltic Sea indicate a rapid relative sea-level (RSL) rise of 18 m for the first phase of the Littorina transgression using a linear age-elevation model. This accelerated RSL rise occurred in the time period 8.57 to 8.0 ka before present (BP) with an RSL rise rate of 31.5 mm/year. RSL rose from 28 m to 10 m below the mean relative sea level (bmrsl) during the time period of less than 600 years. The first phase of Littorina transgression documents the last big meltwater pulse (MWP), which has been reported also from various other regions in the world as a consequence of the final decay of the Laurentide ice sheet and additional meltwater sources from Antarctica.

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来源期刊

Oceanologia 地学-海洋学

CiteScore

5.30

自引率

6.90%

发文量

审稿时长

146 days

期刊介绍： Oceanologia is an international journal that publishes results of original research in the field of marine sciences with emphasis on the European seas.