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- Title
Carbon isotope and environmental changes in lakes in arid Northwest China.
- Authors
Liu, Weiguo; Li, Xiangzhong; Wang, Zheng; Wang, Huangye; Liu, Hu; Zhang, Bo; Zhang, Huan
- Abstract
The stable carbon isotope composition (δ13C) of lacustrine sediments, which can record changes in past environmental conditions such as the C4/C3 terrestrial vegetation composition, has been widely used for the reconstruction of terrestrial ecosystems and global climate changes. It has also been widely used in paleolimnological studies in arid northwestern China. In recent years, however, an increasing number of studies have enriched the environmental significance reflected by the stable carbon isotope geochemistry of lakes; therefore, the interpretation of lake δ13C variations in paleoenvironmental reconstructions should be carefully evaluated from various aspects. In this paper, previous studies from the past several decades on the lacustrine δ13C variations in arid northwestern China were reviewed, and the possible mechanisms of the δ13C variations were discussed. Our study will provide a reference for the application of carbon isotope geochemistry in paleoenvironmental reconstructions.
- Subjects
CHINA; CARBON isotopes; CARBON cycle; CLIMATE change; STABLE isotopes; ISOTOPE geology; LAKES
- Publication
SCIENCE CHINA Earth Sciences, 2019, Vol 62, Issue 8, p1193
- ISSN
1674-7313
- Publication type
Article
- DOI
10.1007/s11430-018-9232-4