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Anthropogenic Aerosols Cause Recent Pronounced Weakening of Asian Summer Monsoon Relative to Last Four Centuries
Liu, Yu1,2,3,4,5; Cai, Wenju1,3,6,7,8; Sun, Changfeng1; Song, Huiming1,3; Cobb, Kim M.9; Li, Jianping3,6,7; Leavitt, Steven W.10; Wu, Lixin3; Cai, Qiufang1,3; Liu, Ruoshi11; Ng, Benjamin8; Cherubini, Paolo12; Buntgen, Ulf12,13,14,15; Song, Yi1; Wang, Guojian3,8; Lei, Ying1; Yan, Libin1; Li, Qiang1,3; Ma, Yongyong16; Fang, Congxi1; Sun, Junyan1; Li, Xuxiang11; Chen, Deliang17; Linderholm, Hans W.17
通讯作者Liu, Yu(liuyu@loess.llqg.ac.cn)
2019-05-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
卷号46期号:10页码:5469-5479
摘要The Asian Summer Monsoon (ASM) affects ecosystems, biodiversity, and food security of billions of people. In recent decades, ASM strength (as represented by precipitation) has been decreasing, but instrumental measurements span only a short period of time. The initiation and the dynamics of the recent trend are unclear. Here for the first time, we use an ensemble of 10 tree ring-width chronologies from the west-central margin of ASM to reconstruct detail of ASM variability back to 1566 CE. The reconstruction captures weak/strong ASM events and also reflects major locust plagues. Notably, we found an unprecedented 80-year trend of decreasing ASM strength within the context of the 448-year reconstruction, which is contrary to what is expected from greenhouse warming. Our coupled climate model shows that increasing anthropogenic sulfate aerosol emissions over the Northern Hemisphere could be the dominant factor contributing to the ASM decrease. Plan Language Summary Monsoonal rainfall has a certain influence on agriculture and industry in the regions of Asian Summer Monsoon (ASM). An understanding of the spatial-temporal variability of the ASM and the associated dynamics is vital for terrestrial ecosystems, water resources, forests, and landscapes. We have developed a 448-year ASM reconstruction back to 1566 CE using 10 tree ring chronologies from the margin region of ASM. We find that historical severe droughts and locust plague disasters during weak ASM events. The recent decreasing ASM trend persisting for over 80 years is unprecedented over the past 448 years. Coupled climate models show that increasing anthropogenic aerosol emissions are the dominant underlying factor. Our aim is that the time series will find a wide range of utility for understanding past climate variability and for predicting future climate change.
DOI10.1029/2019GL082497
关键词[WOS]TREE-RING WIDTH ; ANNUAL PRECIPITATION ; EAST-ASIA ; CHINA ; CLIMATE ; VARIABILITY ; RECONSTRUCTION ; REGION ; INDEX
收录类别SCI ; SCI
语种英语
资助项目National Natural Science Foundation of China[41630531] ; National Research Program for Key Issues in Air Pollution Control[DQGG0104] ; Chinese Academy of Sciences[QYZDJ-SSW-DQC021] ; Chinese Academy of Sciences[XDPB05] ; Chinese Academy of Sciences[GJHZ1777] ; Institute of Earth Environment, Chinese Academy of Sciences ; State Key Laboratory of Loess and Quaternary Geology
WOS研究方向Geology
项目资助者National Natural Science Foundation of China ; National Research Program for Key Issues in Air Pollution Control ; Chinese Academy of Sciences ; Institute of Earth Environment, Chinese Academy of Sciences ; State Key Laboratory of Loess and Quaternary Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000471237500052
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:62[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/13819
专题现代环境研究室
第四纪科学与全球变化卓越创新中心
通讯作者Liu, Yu
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Quaternary Sci & Global Change, Xian, Shaanxi, Peoples R China
3.Pilot Qingdao Natl Lab Marine Sci & Technol, Lab Ocean Dynam & Climate, Qingdao, Shandong, Peoples R China
4.Beijing Normal Univ, Interdisciplinaly Res Ctr Earth Sci Frontier, Beijing, Peoples R China
5.Beijing Normal Univ, Joint Ctr Global Change Studies, Beijing, Peoples R China
6.Ocean Univ China, Phys Oceanog Lab CIMST, Qingdao, Shandong, Peoples R China
7.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
8.CSIRO Marine & Atmospher Res, Aspendale, Vic, Australia
9.Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA
10.Univ Arizona, Lab Tree Ring Res, Tucson, AZ USA
11.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian, Shaanxi, Peoples R China
12.Swiss Fed Inst Forest Snow & Landscape Res, Birmensdorf, Switzerland
13.Univ Cambridge, Dept Geog, Cambridge, England
14.Global Change Res Ctr, Brno, Czech Republic
15.Masaryk Univ, Brno, Czech Republic
16.Shaanxi Meteorol Observ, Xian, Shaanxi, Peoples R China
17.Univ Gothenburg, Dept Earth Sci, Reg Climate Grp, Gothenburg, Sweden
推荐引用方式
GB/T 7714
Liu, Yu,Cai, Wenju,Sun, Changfeng,et al. Anthropogenic Aerosols Cause Recent Pronounced Weakening of Asian Summer Monsoon Relative to Last Four Centuries[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(10):5469-5479.
APA Liu, Yu.,Cai, Wenju.,Sun, Changfeng.,Song, Huiming.,Cobb, Kim M..,...&Linderholm, Hans W..(2019).Anthropogenic Aerosols Cause Recent Pronounced Weakening of Asian Summer Monsoon Relative to Last Four Centuries.GEOPHYSICAL RESEARCH LETTERS,46(10),5469-5479.
MLA Liu, Yu,et al."Anthropogenic Aerosols Cause Recent Pronounced Weakening of Asian Summer Monsoon Relative to Last Four Centuries".GEOPHYSICAL RESEARCH LETTERS 46.10(2019):5469-5479.
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