Atmospheric noble gases in lake sediment pore water as proxies for environmental change

被引：22

作者：

Brennwald, MS ^{[1
]}

Peeters, F

Imboden, DM

Giralt, S

Hofer, M

Livingstone, DM

Klump, S

Strassmann, K

Kipfer, R

机构：

[1] EAWAG, Swiss Fed Inst Environm Sci & Technol, Dept Water Resources & Drinking Water, CH-8600 Dubendorf, Switzerland

[2] Univ Konstanz, Limnol Inst, D-78457 Constance, Germany

[3] Swiss Fed Inst Technol, Dept Environm Sci, CH-8092 Zurich, Switzerland

[4] CSIC, Inst Earth Sci Jaume Almera, E-08028 Barcelona, Spain

[5] Swiss Fed Inst Technol, Dept Environm Sci, Zurich, Switzerland

[6] Swiss Fed Inst Technol, Dept Isotope Geol, Zurich, Switzerland

来源：

GEOPHYSICAL RESEARCH LETTERS | 2004年 / 31卷 / 04期

关键词：

D O I：

10.1029/2003GL019153

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Lake sediment pore water has been proposed as a noble gas archive for paleoenvironmental reconstruction, but appropriate experimental techniques have not been available until recently. Here we present noble gas concentrations measured in the sediment pore water of Lake Issyk-Kul (Kyrgyzstan) which demonstrate for the first time the value of the sediment pore water archive for paleoclimate reconstruction. The noble gas profiles in the sediment indicate that the salinity of the lake water during the mid-Holocene was more than twice its present value of 6.0 g/kg, implying a 200-m lower lake level.

引用

页码：L042021 / 4

页数：4

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