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Changes in Hadley circulation and intertropical convergence zone under strategic stratospheric aerosol geoengineering

文献类型：期刊论文

作者Cheng, Wei1,2; MacMartin, Douglas G.3; Ben Kravitz4,5; Visioni, Daniele3; Bednarz, Ewa M.3; Xu, Yangyang6; Luo, Yong7; Huang, Lei7; Hu, Yongyun8; Staten, Paul W.4
刊名NPJ CLIMATE AND ATMOSPHERIC SCIENCE
出版日期2022-04-19
卷号5期号:1页码:11
ISSN号2397-3722
DOI10.1038/s41612-022-00254-6
通讯作者Cheng, Wei(chengwei@igsnrr.ac.cn) ; MacMartin, Douglas G.(dgm224@cornell.edu) ; Deng, Xiangzheng(dengxz@igsnrr.ac.cn)
英文摘要Stratospheric aerosol geoengineering has been proposed as a potential solution to reduce climate change and its impacts. Here, we explore the responses of the Hadley circulation (HC) intensity and the intertropical convergence zone (ITCZ) using the strategic stratospheric aerosol geoengineering, in which sulfur dioxide was injected into the stratosphere at four different locations to maintain the global-mean surface temperature and the interhemispheric and equator-to-pole temperature gradients at present-day values (baseline). Simulations show that, relative to the baseline, strategic stratospheric aerosol geoengineering generally maintains northern winter December-January-February (DJF) HC intensity under RCP8.5, while it overcompensates for the greenhouse gas (GHG)-forced southern winter June-July-August (JJA) HC intensity increase, producing a 3.5 +/- 0.4% weakening. The residual change of southern HC intensity in JJA is mainly associated with stratospheric heating and tropospheric temperature response due to enhanced stratospheric aerosol concentrations. Geoengineering overcompensates for the GHG-driven northward ITCZ shifts, producing 0.7 degrees +/- 0.1 degrees and 0.2 degrees +/- 0.1 degrees latitude southward migrations in JJA and DJF, respectively relative to the baseline. These migrations are affected by tropical interhemispheric temperature differences both at the surface and in the free troposphere. Further strategies for reducing the residual change of HC intensity and ITCZ shifts under stratospheric aerosol geoengineering could involve minimizing stratospheric heating and restoring and preserving the present-day tropical tropospheric interhemispheric temperature differences.
WOS关键词EARTHS RADIATION BALANCE ; CLIMATE-CHANGE ; HYDROLOGICAL CYCLE ; AMPLIFICATION ; VARIABILITY ; EXPANSION ; RESPONSES ; IMPACTS ; WIDTH ; ITCZ
资助项目National Key Research and Development Program of China[2016YFA0602500] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA23070400] ; state key program of National Natural Science Foundation of China[91425303] ; state key program of National Natural Science Foundation of China[71533004] ; National Program on Key Research Project[2017YFA0603703] ; National Science Foundation[CBET-1818759] ; National Science Foundation[CBET-1931641] ; National Science Foundation[CBET-2038246] ; Indiana University Environmental Resilience Institute ; Prepared for Environmental Change Grand Challenge initiative ; Atkinson Center for a Sustainable Future at Cornell University ; research start-up project for new recruits at Institute of Geographic Sciences ; Natural Resources Research, CAS ; U.S. Department of Energy[DE-AC05-76RL01830]
WOS研究方向Meteorology & Atmospheric Sciences
语种英语
出版者NATURE PORTFOLIO
WOS记录号WOS:000784989000004
资助机构National Key Research and Development Program of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; state key program of National Natural Science Foundation of China ; National Program on Key Research Project ; National Science Foundation ; Indiana University Environmental Resilience Institute ; Prepared for Environmental Change Grand Challenge initiative ; Atkinson Center for a Sustainable Future at Cornell University ; research start-up project for new recruits at Institute of Geographic Sciences ; Natural Resources Research, CAS ; U.S. Department of Energy
源URL[http://ir.igsnrr.ac.cn/handle/311030/174431]  
专题中国科学院地理科学与资源研究所
通讯作者Cheng, Wei; MacMartin, Douglas G.; Deng, Xiangzheng
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
2.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China
3.Cornell Univ, Mech & Aerosp Engn, Ithaca, NY 14853 USA
4.Indiana Univ, Dept Earth & Atmospher Sci, Bloomington, IN USA
5.Pacific Northwest Natl Lab, Atmospher Sci & Global Change Div, Richland, WA 99352 USA
6.Texas A&M Univ, Dept Atmospher Sci, College Stn, TX USA
7.Tsinghua Univ, Dept Earth Syst Sci, Key Lab Earth Syst Modeling, Minist Educ,Inst Global Change Studies, Beijing, Peoples R China
8.Peking Univ, Sch Phys, Dept Atmospher & Ocean Sci, Lab Climate & Ocean Atmosphere Sci, Beijing, Peoples R China
9.Cornell Univ, Dept Earth & Atmospher Sci, Ithaca, NY USA
10.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Cheng, Wei,MacMartin, Douglas G.,Ben Kravitz,et al. Changes in Hadley circulation and intertropical convergence zone under strategic stratospheric aerosol geoengineering[J]. NPJ CLIMATE AND ATMOSPHERIC SCIENCE,2022,5(1):11.
APA Cheng, Wei.,MacMartin, Douglas G..,Ben Kravitz.,Visioni, Daniele.,Bednarz, Ewa M..,...&Deng, Xiangzheng.(2022).Changes in Hadley circulation and intertropical convergence zone under strategic stratospheric aerosol geoengineering.NPJ CLIMATE AND ATMOSPHERIC SCIENCE,5(1),11.
MLA Cheng, Wei,et al."Changes in Hadley circulation and intertropical convergence zone under strategic stratospheric aerosol geoengineering".NPJ CLIMATE AND ATMOSPHERIC SCIENCE 5.1(2022):11.

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来源：地理科学与资源研究所

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