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Summer Cooling Driven by Large Volcanic Eruptions over the Tibetan Plateau
Duan, Jianping1,2; Li, Lun3; Ma, Zhuguo1; Esper, Jan4; Buentgen, Ulf5; Xoplaki, Elena6; Zhang, Dujuan7; Wang, Lily8; Yin, Hong9; Luterbacher, Juerg6,10
2018-12-01
Source PublicationJOURNAL OF CLIMATE
ISSN0894-8755
Volume31Issue:24Pages:9869-9879
Corresponding AuthorDuan, Jianping(duanjp@tea.ac.cn)
AbstractLarge volcanic eruptions may cause abrupt summer cooling over large parts of the globe. However, no comparable imprint has been found on the Tibetan Plateau (TP). Here, we introduce a 400-yr-long temperature-sensitive network of 17 tree-ring maximum latewood density sites from the TP that demonstrates that the effects of tropical eruptions on the TP are generally greater than those of extratropical eruptions. Moreover, we found that large tropical eruptions accompanied by subsequent El Nino events caused less summer cooling than those that occurred without El Nino association. Superposed epoch analysis (SEA) based on 27 events, including 14 tropical eruptions and 13 extratropical eruptions, shows that the summer cooling driven by extratropical eruptions is insignificant on the TP, while significant summer temperature decreases occur subsequent to tropical eruptions. Further analysis of the TP August-September temperature responses reveals a significant postvolcanic cooling only when no El Nino event occurred. However, there is no such cooling for all other situations, that is, tropical eruptions together with a subsequent El Nino event, as well as extratropical eruptions regardless of the occurrence of an El Nino event. The averaged August-September temperature deviation (T-dev) following 10 large tropical eruptions without a subsequent El Nino event is up to -0.48 degrees +/- 0.19 degrees C (with respect to the preceding 5-yr mean), whereas the temperature deviation following 4 large tropical eruptions with an El Nino association is approximately 0.23 degrees +/- 0.16 degrees C. These results indicate a mitigation effect of El Nino events on the TP temperature response to large tropical eruptions. The possible mechanism is that El Nino events can weaken the Indian summer monsoon with a subsequent decrease in rainfall and cooling effect, which may lead to a relatively high temperature on the TP, one of the regions affected by the Indian summer monsoon.
KeywordClimate variability
DOI10.1175/JCLI-D-17-0664.1
WOS KeywordRING MAXIMUM DENSITY ; TEMPERATURE RECONSTRUCTION ; TREE-RINGS ; NORTHERN-HEMISPHERE ; INDIAN MONSOON ; EL-NINO ; AD ; CENTURIES ; CLIMATE ; EUROPE
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2016YFA0600404] ; National Natural Science Foundation of China[41471035] ; National Natural Science Foundation of China[41101043] ; National Natural Science Foundation of China[41405054] ; Alexander vonHumboldt Foundation ; Basic Scientific Research and Operation Foundation of CAMS[2016Y001] ; German Science Foundation (DFG) project AFICHE ; Belmont Forum
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Alexander vonHumboldt Foundation ; Basic Scientific Research and Operation Foundation of CAMS ; German Science Foundation (DFG) project AFICHE ; Belmont Forum
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000450407600005
PublisherAMER METEOROLOGICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52535
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDuan, Jianping
Affiliation1.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing, Peoples R China
3.Chinese Acad Meteorol Sci, Beijing, Peoples R China
4.Johannes Gutenberg Univ Mainz, Dept Geog, Mainz, Germany
5.Univ Cambridge, Dept Geog, Cambridge, England
6.Justus Liebig Univ Giessen, Dept Geog, Giessen, Germany
7.Shanxi Normal Univ, Dept Geog Sci, Linfen, Peoples R China
8.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
9.China Meteorol Adm, Natl Climate Ctr, Beijing, Peoples R China
10.Justus Liebig Univ Giessen, Ctr Int Dev & Environm Res, Giessen, Germany
Recommended Citation
GB/T 7714
Duan, Jianping,Li, Lun,Ma, Zhuguo,et al. Summer Cooling Driven by Large Volcanic Eruptions over the Tibetan Plateau[J]. JOURNAL OF CLIMATE,2018,31(24):9869-9879.
APA Duan, Jianping.,Li, Lun.,Ma, Zhuguo.,Esper, Jan.,Buentgen, Ulf.,...&Luterbacher, Juerg.(2018).Summer Cooling Driven by Large Volcanic Eruptions over the Tibetan Plateau.JOURNAL OF CLIMATE,31(24),9869-9879.
MLA Duan, Jianping,et al."Summer Cooling Driven by Large Volcanic Eruptions over the Tibetan Plateau".JOURNAL OF CLIMATE 31.24(2018):9869-9879.
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