Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-018-4435-5 |
An ENSO-induced aerosol dipole in the west-central Pacific and its potential feedback to ENSO evolution | |
Xu, Li; Yu, Jin-Yi | |
2019-05-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:5115-5125 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We examine the impact of El Nino-Southern Oscillation (ENSO) on satellite observed aerosol optical depths (AODs) over the equatorial Pacific. AODs are found to decrease close to the International Dateline and increase in the vicinity of the Maritime Continent during the El Nino developing phase (and vice versa during La Nina) to form an AOD dipole. The positive AOD anomaly over the Maritime Continent is caused by increases in fire-induced fine smoke aerosols in Indonesia and coarse dust particles transported from Australia via the strengthening winds when El Nino develops and affects the Pacific walker circulation. The negative AOD anomaly around the International Dateline is caused by decreases in the emission of marine aerosols, as the developing El Nino is associated with weakening surface wind speeds in the region. This aerosol dipole is found particularly strong during the Central-Pacific type of ENSO, which has most of its sea surface temperature and wind variations around the International Dateline. The Eastern-Pacific type of ENSO produces positive AOD anomalies over the Maritime Continent but weaker negative AOD anomalies near the International Dateline. As a result, the AOD dipole is less obvious during the EP ENSO. The shortwave radiative forcing associated with the aerosol dipole is 29% (21%) as large as the ENSO-induced outgoing longwave radiation in the Maritime Continent (International Dateline) region and represents an important positive feedback to help sustain the ENSO development that may be potentially important in Central Pacific ENSO studies and predictions. |
英文关键词 | Aerosol dipole ENSO Aerosol shortwave radiative forcing Outgoing longwave radiation Equatorial Pacific |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000465441400003 |
WOS关键词 | EL-NINO ; INTERANNUAL VARIABILITY ; TROPOSPHERIC OZONE ; RAINFALL ; CLIMATE ; CIRCULATION ; IMPACTS ; FIRE ; DEPENDENCE ; EMISSIONS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/182579 |
专题 | 气候变化 |
作者单位 | Univ Calif Irvine, Dept Earth Syst Sci, Irvine, CA 92697 USA |
推荐引用方式 GB/T 7714 | Xu, Li,Yu, Jin-Yi. An ENSO-induced aerosol dipole in the west-central Pacific and its potential feedback to ENSO evolution[J]. CLIMATE DYNAMICS,2019,52:5115-5125. |
APA | Xu, Li,&Yu, Jin-Yi.(2019).An ENSO-induced aerosol dipole in the west-central Pacific and its potential feedback to ENSO evolution.CLIMATE DYNAMICS,52,5115-5125. |
MLA | Xu, Li,et al."An ENSO-induced aerosol dipole in the west-central Pacific and its potential feedback to ENSO evolution".CLIMATE DYNAMICS 52(2019):5115-5125. |
条目包含的文件 | 条目无相关文件。 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[Xu, Li]的文章 |
[Yu, Jin-Yi]的文章 |
百度学术 |
百度学术中相似的文章 |
[Xu, Li]的文章 |
[Yu, Jin-Yi]的文章 |
必应学术 |
必应学术中相似的文章 |
[Xu, Li]的文章 |
[Yu, Jin-Yi]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论