Precipitation Pattern of the Mid-Holocene Simulated by a High-Resolution Regional Climate Model

Early proxy-based studies suggested that there potentially occurred a ＂southern drought/northern flood＂ （SDNF） over East China in the mid-Holocene （from roughly 7000 to 5000 years before present）.In this study,we used both global and regional atmospheric circulation models to demonstrate that the SD...

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Published inAdvances in atmospheric sciences Vol. 31; no. 4; pp. 962 - 971
Main Authors Yu, Entao, Wang, Tao, Gao, Yongqi, Xiang, Weiling
Format Journal Article
LanguageEnglish
Published Heidelberg Science Press 01.07.2014
Springer Nature B.V
Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029
Nansen Environmental and Remote Sensing Center, Bergen, Norway, 5006%State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029
Climate Change Research Center, Chinese Academy of Sciences, Beijing, 100029%Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029
Subjects
Air temperature
Atmospheric circulation
Atmospheric Sciences
Climate models
Drought
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Holocene
Marine
Meteorology
Paleoclimate science
Precipitation
Simulation
中国北方
全新世中期
区域气候
大气环流模型
模式模拟
水模
海陆热力差异
高分辨率
China, People's Rep., Changjiang R
southern drought/northern flood
mid-Holocene
East China
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Summary:Early proxy-based studies suggested that there potentially occurred a ＂southern drought/northern flood＂ （SDNF） over East China in the mid-Holocene （from roughly 7000 to 5000 years before present）.In this study,we used both global and regional atmospheric circulation models to demonstrate that the SDNF-namely,the precipitation increases over North China and decreases over the the lower reaches of the Yangtze River Valley--could have taken place in the mid-Holocene.We found that the SDNF in the mid-Holocene was likely caused by the lower SST in the Pacific.The lowered SST and the higher air temperature over mainland China increased the land-sea thermal contrast and,as a result,strengthened the East Asian summer monsoon and enhanced the precipitation over North China.
Bibliography:Early proxy-based studies suggested that there potentially occurred a ＂southern drought/northern flood＂ （SDNF） over East China in the mid-Holocene （from roughly 7000 to 5000 years before present）.In this study,we used both global and regional atmospheric circulation models to demonstrate that the SDNF-namely,the precipitation increases over North China and decreases over the the lower reaches of the Yangtze River Valley--could have taken place in the mid-Holocene.We found that the SDNF in the mid-Holocene was likely caused by the lower SST in the Pacific.The lowered SST and the higher air temperature over mainland China increased the land-sea thermal contrast and,as a result,strengthened the East Asian summer monsoon and enhanced the precipitation over North China.
mid-Holocene; East China; southern drought/northern flood
11-1925/O4
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0256-1530
1861-9533
DOI:10.1007/s00376-013-3178-9