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Reconstructing dust storm frequency in China since 1617 CE, using coral-based estimates of sea surface temperature
Xu, Jiongxin
2017-08-01
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume479Pages:164-172
Corresponding AuthorXu, Jiongxin(xujx@igsnrr.ac.cn)
AbstractDust storms occur frequently in arid and semi-arid regions of China and other parts of the world, exerting a considerable influence on air quality in densely populated areas. Instrumental observations of dust storms are only available over the past 50 to 60 years, limiting our ability to understand dust storm variability over longer time scales. However, tropical sea surface temperatures have been reconstructed over the past four centuries, using geochemical records from corals. Here we show that tropical Pacific sea surface temperatures, as recorded by corals, can be used to reconstruct dust storm frequency at one-year resolution. Based on the coral-reconstructed annual sea-surface temperature anomaly data from two regions (the western Pacific; 25 s degrees N-25 degrees S, 110-155 degrees E, and the eastern Pacific; 10 degrees N-10 degrees S, 175 degrees E-85 degrees W) published by Tierney et al. (2015), we reconstructed the frequency of dust storms in northern China (DSFCN) for the period from 1617 to 1953 CE. The reconstructed DSFCN variation can be divided into several distinct periods: (1) DSFCN increased from 1617 to 1650, then (2) decreased from 1650 to 1675, (3) remained unchanged from 1675 to 1755, (4) increased again from 1755 to 1860, (5) remained unchanged from 1860 to 1925, and finally (6) decreased rapidly from 1925 to 1995. We propose the following causal chain to explain the observed relationship between DSFCN and SST: as tropical Pacific Ocean SST increases, the Siberian High weakens and the Eastern Asian Trough strengthens. As the air pressure difference weakens, the East Asian Winter Monsoon weakens, and strong wind frequency decreases, causing DSFCN to decrease as well. The statistical results support this interpretation of the causal chain. (C) 2017 Elsevier B.V. All rights reserved.
KeywordClimate change Paleo dust-storm Coral-derived sea surface temperature China
DOI10.1016/j.palaeo.2017.05.005
WOS KeywordICE CORE ; REGIONAL CHARACTERISTICS ; CLIMATE-CHANGE ; UNITED-STATES ; SOURCE AREA ; RECORDS ; DEPOSITION ; INTENSITY ; PENINSULA ; DROUGHT
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[41371037] ; Natural Science Foundation of China[41330751]
Funding OrganizationNatural Science Foundation of China
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000402945200013
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/63404
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXu, Jiongxin
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jiongxin. Reconstructing dust storm frequency in China since 1617 CE, using coral-based estimates of sea surface temperature[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2017,479:164-172.
APA Xu, Jiongxin.(2017).Reconstructing dust storm frequency in China since 1617 CE, using coral-based estimates of sea surface temperature.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,479,164-172.
MLA Xu, Jiongxin."Reconstructing dust storm frequency in China since 1617 CE, using coral-based estimates of sea surface temperature".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 479(2017):164-172.
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