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DOI10.1175/JCLI-D-16-0464.1
Future Changes in the Ozone Quasi-Biennial Oscillation with Increasing GHGs and Ozone Recovery in CCMI Simulations
Naoe, Hiroaki1; Deushi, Makoto1,2; Yoshida, Kohei1; Shibata, Kiyotaka1,3
2017-09-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2017
卷号30期号:17
文章类型Article
语种英语
国家Japan
英文摘要

The future quasi-biennial oscillation (QBO) in ozone in the equatorial stratosphere is examined by analyzing transient climate simulations due to increasing greenhouse gases (GHGs) and decreasing ozone-depleting substances under the auspices of the Chemistry-Climate Model Initiative. The future (1960-2100) and historical (1979-2010) simulations are conducted with the Meteorological Research Institute Earth System Model. Three climate periods, 1960-85 (past), 1990-2020 (present), and 2040-70 (future) are selected, corresponding to the periods before, during, and after ozone depletion. The future ozone QBO is characterized by increases in amplitude by 15%-30% at 5-10 hPa and decreases by 20%-30% at 40 hPa, compared with the past and present climates; the future and present ozone QBOs increase in amplitude by up to 60% at 70 hPa, compared with the past climate. The increased amplitude at 5-10 hPa suggests that the temperature-dependent photochemistry plays an important role in the enhanced future ozone QBO. The weakening of vertical shear in the zonal wind QBO is responsible for the decreased amplitude at 40 hPa in the future ozone QBO. An interesting finding is that the weakened zonal wind QBO in the lowermost tropical stratosphere is accompanied by amplified QBOs in ozone, vertical velocity, and temperature. Further study is needed to elucidate the causality of amplification about the ozone and temperature QBOs under climate change in conditions of zonal wind QBO weakening.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000407276600021
WOS关键词BREWER-DOBSON CIRCULATION ; EQUATORIAL STRATOSPHERE ; TROPICAL OZONE ; DIMENSIONAL MODEL ; WAVELET ANALYSIS ; CLIMATE MODEL ; TEMPERATURE ; QBO ; LATITUDES ; HALOE
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/19639
专题气候变化
作者单位1.Meteorol Res Inst, Tsukuba, Ibaraki, Japan;
2.Japan Meteorol Agcy, Tokyo, Japan;
3.Kochi Univ Technol, Kami, Japan
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Naoe, Hiroaki,Deushi, Makoto,Yoshida, Kohei,et al. Future Changes in the Ozone Quasi-Biennial Oscillation with Increasing GHGs and Ozone Recovery in CCMI Simulations[J]. JOURNAL OF CLIMATE,2017,30(17).
APA Naoe, Hiroaki,Deushi, Makoto,Yoshida, Kohei,&Shibata, Kiyotaka.(2017).Future Changes in the Ozone Quasi-Biennial Oscillation with Increasing GHGs and Ozone Recovery in CCMI Simulations.JOURNAL OF CLIMATE,30(17).
MLA Naoe, Hiroaki,et al."Future Changes in the Ozone Quasi-Biennial Oscillation with Increasing GHGs and Ozone Recovery in CCMI Simulations".JOURNAL OF CLIMATE 30.17(2017).
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