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Lake ecosystem dynamics and links to climate change inferred from a stable isotope and organic palaeorecord from a mountain lake in southwestern China (ca. 22.6–10.5 cal ka BP)

Record type: Article

A detailed understanding of long-term climatic and environmental change in southwestern China is hampered
by a lack of long-term regional palaeorecords. Organic analysis (%TOC, %TN, C/N ratios and ?13C values)
of a sediment sequence from Lake Shudu, Yunnan Province (ca. 22.6–10.5 cal ka BP) indicates generally low
aquatic palaeoproductivity rates overmillennial timescales in response to cold, dry climatic conditions. However,
the record is punctuated by two marked phases of increased aquatic productivity from ca. 17.7 to 17.1 cal ka BP
and fromca. 11.9 to 10.5 cal ka BP.We hypothesise that these shifts reflect a marked, stepwise lacustrine response
to Asian summer monsoon strengthening during the last deglaciation.

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Citation

Cook, CG, Leng, MJ, Jones, RT, Langdon, P.G. and Zhang, E (2012) Lake ecosystem dynamics and links to climate change inferred from a stable isotope and organic palaeorecord from a mountain lake in southwestern China (ca. 22.6–10.5 cal ka BP) Quaternary Research, 77, pp. 132-137. (doi:10.1016/j.yqres.2011.09.011).

More information

Published date: 2012
Organisations: Palaeoenvironment Laboratory (PLUS)

Identifiers

Local EPrints ID: 343158
URI: http://eprints.soton.ac.uk/id/eprint/343158
ISSN: 0033-5894
PURE UUID: 8bed92e5-6945-41a9-8261-12bacd47e03f
ORCID for P.G. Langdon: ORCID iD orcid.org/0000-0003-2724-2643

Catalogue record

Date deposited: 27 Sep 2012 14:03
Last modified: 18 Jul 2017 05:24

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Contributors

Author: CG Cook
Author: MJ Leng
Author: RT Jones
Author: P.G. Langdon ORCID iD
Author: E Zhang

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