globalchange  > 气候减缓与适应
DOI: 10.1016/j.quascirev.2018.05.030
Scopus记录号: 2-s2.0-85048487980
论文题名:
Holocene temperature and hydrological changes reconstructed by bacterial 3-hydroxy fatty acids in a stalagmite from central China
作者: Wang C.; Bendle J.A.; Zhang H.; Yang Y.; Liu D.; Huang J.; Cui J.; Xie S.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2018
卷: 192
起始页码: 97
结束页码: 105
语种: 英语
英文关键词: 3-Hydroxy fatty acid ; China ; Holocene ; Monsoon ; Novel proxy ; Paleoclimatology ; Speleothems
Scopus关键词: Climate change ; 3-Hydroxy fatty acids ; China ; Holocenes ; Monsoon ; Novel proxy ; Paleoclimatology ; Speleothems ; Fatty acids ; Bacteria (microorganisms) ; Negibacteria
英文摘要: To achieve a sufficient understanding of the spatial dynamics of terrestrial climate variability, new proxies and networks of data that cover thousands of years and run up to the present day are needed. Here we show the first Gram-negative bacterial 3-hydroxy fatty acid (3-OH-FA) based temperature and hydrological records from any paleoclimate archive globally. The data, covering the last 9 ka before present (BP), are generated from an individual stalagmite, collected from Heshang Cave, located on a tributary of the Yangtze River, central China (30°27′N, 110°25′E; 294 m). Our results indicate a clear early-to-middle Holocene Climatic Optimum (8.0–6.0 ka BP) followed by a long-term monotonic cooling and increasing variability over the last 0.9 ka BP. The hydrological record shows two relatively long wet periods (8.8–5.9 ka BP and 3.0–0 ka BP) and one relatively dry period (5.9–3.0 ka BP) in central China. We show that 3-OH-FA biomarkers hold promise as independent tools for paleoclimate reconstruction, with the potential to deconvolve temperature and hydrological signals from an individual stalagmite. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112131
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作者单位: State Key Laboratory of Biogeology and Environmental Geology, School of Earth Sciences, China University of Geosciences, Wuhan, 430074, China; School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom; State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan, 430074, China; Research Institute of Petroleum Exploration and Development, PetroChina, Beijing, 100083, China

Recommended Citation:
Wang C.,Bendle J.A.,Zhang H.,et al. Holocene temperature and hydrological changes reconstructed by bacterial 3-hydroxy fatty acids in a stalagmite from central China[J]. Quaternary Science Reviews,2018-01-01,192
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