globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2016.02.030
Scopus记录号: 2-s2.0-84960872142
论文题名:
Late Cenozoic fire enhancement response to aridification in mid-latitude Asia: Evidence from microcharcoal records
作者: Miao Y.; Fang X.; Song C.; Yan X.; Zhang P.; Meng Q.; Li F.; Wu F.; Yang S.; Kang S.; Wang Y.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2016
卷: 139
起始页码: 53
结束页码: 66
语种: 英语
英文关键词: Aridification ; Fire ; Global cooling ; Late Cenozoic ; Microcharcoal
Scopus关键词: Geochronology ; Aridification ; Fire occurrences ; Global cooling ; Global temperatures ; Late Cenozoic ; Late Pleistocene ; Microcharcoal ; Yangtze river delta ; Fires ; aridification ; Cenozoic ; charcoal ; cooling ; fire history ; global change ; Holocene ; paleoclimate ; Pleistocene ; China ; Far East ; Qinghai-Xizang Plateau ; Yangtze Delta
英文摘要: Fire provides an important indicator of paleoclimatic change. However, little information relating to late Cenozoic fire history has been gathered in mid-latitude Asia (including Inner Asia and East Asia), a key region for understanding the development of the arid-monsoon climate system as well as the driving forces behind it. Here we first report the records of microcharcoal concentrations (MC) covering the Holocene (10-0 ka) and late Pleistocene (0.8-0 Ma), which we use to analyze the fire activity patterns at an orbital time scale; then we compile the late Cenozoic MC record to investigate the long-term fire history by analyzing four cores from the Yangtze River Delta (YRD) area, East Asia (representing 8-0 Ma) and three sites in Inner Asia (representing 18-2 Ma). The results show that the (i) MC remained higher during the relatively dry late Holocene/glacial stages than that during the humid middle Holocene/interglacial stages at individual sites; (ii) MC increased with time in both Inner Asia and East Asia after 18 and 8 Ma, respectively; and (iii) MC always remained higher in the dry Inner Asia than in the contemporaneous wet East Asia. All these characteristics imply that late Cenozoic fire occurrence in mid-latitude Asia experienced a gradual increasing trend along with the global temperature/ice volume change, and indicates a continuous aridification trend across mid-latitude Asia. The global cooling, rather than the Tibetan Plateau uplift, might have played a key role in this observed trend. © 2016 Elsevier Ltd.
资助项目: We are grateful to Y.D., Duan, Y.Y., Zhao, Y.H., Miao, F.Z., Zhang and X.C., Zheng for assistance in laboratory and field help. This work was co-supported by the (973) National Basic Research Program of China (Grant No. 2013CB956403), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB03020103, XDB03020402) and NSFC Grants (41172153, 41290252, 41272128).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59612
Appears in Collections:过去全球变化的重建

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作者单位: Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Institute, Chinese Academy of Sciences, Lanzhou, China; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, China; School of Earth Sciences and Key Laboratory of Western China's Mineral Resources of Gansu Province, Lanzhou University, Lanzhou, China; Key Laboratory of Earth Fissures Geological Disaster, Ministry of Land and Resources, Geological Survey of Jiangsu Province, Nanjing, China; MOE Key Laboratory of Western China's Environmental Systems, Research School of Arid Environment and Climate Change, Lanzhou University, Lanzhou, China

Recommended Citation:
Miao Y.,Fang X.,Song C.,et al. Late Cenozoic fire enhancement response to aridification in mid-latitude Asia: Evidence from microcharcoal records[J]. Quaternary Science Reviews,2016-01-01,139
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