Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-016-3506-8 |
Impact of ENSO on East Asian winter monsoon during interglacial periods: effect of orbital forcing | |
An, Soon-Il1; Kim, Hyo-Jeong1; Park, Wonsun2; Schneider, Birgit3 | |
2017-11-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2017 |
卷号 | 49 |
文章类型 | Article |
语种 | 英语 |
国家 | South Korea; Germany |
英文摘要 | Orbital forcing influences climate phenomena by changing incoming solar radiation in season and latitude. Here, changes in the El Nio-Southern Oscillation (ENSO)'s impact on the East Asian winter monsoon (EAWM) due to orbital forcing, especially for three selected time periods in each of two interglacial periods, the Eemian (126, 122, 115 ka) and Holocene (9, 6, 0 ka), are investigated. There was a high negative correlation between ENSO and EAWM when the obliquity was low, the processional angle was large, and especially when accompanied by large eccentricity, which corresponds to a weaker monsoon period. The correlation was also high when ENSO variability was high, which interestingly corresponded to lower obliquity and higher-degree precession periods. Therefore, as both lower obliquity and higher-degree precession, such as during 115 ka and 0 ka, cause the EAWM to be weakened through higher winter insolation over Northern hemisphere, and the ENSO to be enhanced through an intensified zonal contrast of the equatorial sea surface temperature, the relationship between the ENSO and EAWM becomes tighter. The opposite case (i.e., during 126 and 9 ka) is also true dynamically. Furthermore, the sensitivity of boreal winter precipitation against sea surface temperature (SST) anomaly over the tropical Pacific, which depends on mean SST, was positively correlated to the strength of the ENSO-EAWM correlation, implying that the warmer mean ocean surface causes the strong response of atmosphere to change in the SST anomaly, thereby enhancing the impact of ENSO on EAWM. Warmer wintertime tropical SST is attributed to higher insolation over the tropics, especially during 115 and 0 ka, while cooler SSTs occurred during 126 and 9 ka. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000414153800016 |
WOS关键词 | TROPICAL PACIFIC CLIMATE ; EL-NINO ; SOUTHERN-OSCILLATION ; SEASONAL CYCLE ; VARIABILITY ; TELECONNECTION ; NORTHERN ; MODEL ; STATE |
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/35482 |
专题 | 气候变化 |
作者单位 | 1.Yonsei Univ, Dept Atmospher Sci, 50 Yonsei Ro, Seoul, South Korea; 2.GEOMAR Helmholtz Ctr Ocean Res Kiel, Kiel, Germany; 3.Univ Kiel, Inst Geosci, Kiel, Germany |
推荐引用方式 GB/T 7714 | An, Soon-Il,Kim, Hyo-Jeong,Park, Wonsun,et al. Impact of ENSO on East Asian winter monsoon during interglacial periods: effect of orbital forcing[J]. CLIMATE DYNAMICS,2017,49. |
APA | An, Soon-Il,Kim, Hyo-Jeong,Park, Wonsun,&Schneider, Birgit.(2017).Impact of ENSO on East Asian winter monsoon during interglacial periods: effect of orbital forcing.CLIMATE DYNAMICS,49. |
MLA | An, Soon-Il,et al."Impact of ENSO on East Asian winter monsoon during interglacial periods: effect of orbital forcing".CLIMATE DYNAMICS 49(2017). |
条目包含的文件 | 条目无相关文件。 |
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