Climatic signals recorded in shells in Xingcuo Lake, eastern Tibetan Plateau

Wu Jinglu; Yu Hong; G. H. Schleser; Wang Sumin; A. Luecke

doi:10.1007/BF02842756

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Climatic signals recorded in shells in Xingcuo Lake, eastern Tibetan Plateau

Updated：2023-05-16

- Climatic signals recorded in shells in Xingcuo Lake, eastern Tibetan Plateau
- Journal of Oceanology and Limnology Vol. 21, Issue 1, Pages: 10-17(2003)
- Affiliations：
  
  1. Nanjing Institute of Geog. & Limn. Chinses Academy Sciences
  2. Department of Atmospheric Observing Engineering IM PLAUST
  3. Forschungszentrum Juelich
- Author bio：
- Funds：
- DOI：10.1007/BF02842756
  CLC：
- Published：2003
- Accepted：
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Jinglu, W., Hong, Y., Schleser, G.H. et al. Climatic signals recorded in shells in Xingcuo Lake, eastern Tibetan Plateau., Chin. J. Ocean. Limnol. 21, 10–17 (2003). https://doi.org/10.1007/BF02842756
DOI：

Jinglu, W., Hong, Y., Schleser, G.H. et al. Climatic signals recorded in shells in Xingcuo Lake, eastern Tibetan Plateau., Chin. J. Ocean. Limnol. 21, 10–17 (2003). https://doi.org/10.1007/BF02842756 DOI：

摘要

Abstract

This paper presents the results of determining trace elements and σ13C

σ18O inGyraulus sibirica shell continuously preserved in Xingcuo Lake sediments in the recent 50 years. By coupling these indexes and instrumental meteorological data on its basin to determine the relations among them

we probed quantitatively the climatic signals recorded in Xingcuo Lake sediments. The results showed that gastropod shells in Xingcuo Lake were formed in warm seasons; that trace elements

and stable isotope in shells just recorded the climatic signals of the warm seasons instead of that of the whole year; that Mg/Ca ratio and σ18 proxy had certain correlation with air temperature in warm seasons

when the σ18 proxy was more sensitive; with the average ratio of them being 0.28×10−3/1C and the variation rate dσ18O/dT being 1.64×10−3/1C; that the Sr/Ca ratio and σ13C proxy

especially Sr/Ca ratio

had close correlation; and that dSr/Ca/dP was −0.045/mm.

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references

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