globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.aeolia.2019.04.005
WOS记录号: WOS:000474325400004
论文题名:
Analysis of late Quaternary dunefield development in Asia using the accumulation intensity model
作者: Thomas, David S. G.1,2; Bailey, Richard M.1
通讯作者: Thomas, David S. G.
刊名: AEOLIAN RESEARCH
ISSN: 1875-9637
EISSN: 2212-1684
出版年: 2019
卷: 39, 页码:33-46
语种: 英语
英文关键词: Dune accumulation ; Accumulation Intensity ; Asia, dunefields ; Quaternary
WOS关键词: RUB-AL-KHALI ; HUNSHANDAKE SANDY LAND ; NORTHERN CHINA ; INNER-MONGOLIA ; CLIMATE-CHANGE ; THAR DESERT ; ENVIRONMENTAL-CHANGES ; DUNE ACCUMULATION ; SOUTHWEST MONSOON ; SOUTHERN MARGIN
WOS学科分类: Geography, Physical
WOS研究方向: Physical Geography
英文摘要:

Asia possesses many extensive desert dune systems within the northern hemisphere subtropical belt and more northerly continental drylands. Collectively these may preserve important sedimentary records of dune system responses to climatic and environmental changes in the Quaternary period. We use the Accumulation Intensity (AI) methodology, which quantifies dune accumulation using luminescence-dated sedimentary records, to provide the first composite and comparable analysis of Asian dune system development in the Late Quaternary. The INQUA dune atlas database contains 826 age records for Asian dune systems, of which 284 meet the criteria for AI analysis. These are from the Negev, Rub' al Khali, Thar and Hunshandake dunefields, and provide dune accumulation records of up to 150 ka. The majority of accumulation peaks occur within the late glacial to early Holocene (c20-10 ka) and in the late Holocene, but with limited coincidence in the timing of peaks between dune systems, such that coeval dune accumulation drivers are not proposed. However, some important data gaps are identified, and presently robust accumulation histories are only achievable for the Negev and eastern Rub' al Khali.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/144833
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Univ Oxford, Sch Geog & Environm, Oxford OX1 3QY, England
2.Univ Witwatersrand, Sch Geog Archaeol & Environm Studies, Johannesburg, South Africa

Recommended Citation:
Thomas, David S. G.,Bailey, Richard M.. Analysis of late Quaternary dunefield development in Asia using the accumulation intensity model[J]. AEOLIAN RESEARCH,2019-01-01,39:33-46
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