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DOI | 10.1007/s00382-019-04848-4 |
ENSO influence on summer temperature over Arabian Peninsula: role of mid-latitude circulation | |
Almazroui, Mansour1; Rashid, Irfan Ur1; Saeed, Sajjad1,2; Islam, M. Nazrul1 | |
2019-10-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 53页码:5047-5062 |
文章类型 | Article |
语种 | 英语 |
国家 | Saudi Arabia; Belgium |
英文摘要 | This study discusses the interannual variability of the summer (June-August) season surface air temperature (SAT) over the Arabian Peninsula and its relationship to the global circulation patterns under the influence of El Nino Southern Oscillation (ENSO). A composite analysis based on the above (below) normal summer SAT over the Arabian Peninsula reveals a wavelike pattern resembling the mid-latitude Circumglobal Wave Train (CGT). The positive (negative) phase of the CGT is associated with above (below) normal SAT anomalies over the Arabian Peninsula. Further, the Arabian Peninsula summer SAT is also found to be associated with ENSO and this association has strengthened in recent decades as compared to before 1980s. The ENSO induced upper level circulation patterns resemble the CGT pattern. The ENSO warm phase over the central and eastern Pacific is associated with anomalous low pressure anomalies over the Eurasian region while the cold phase associated with anomalous high pressure. This favours the above normal SAT anomalies over the Eurasian region including the northern parts of the Peninsula during the cold phase of ENSO and below normal temperature during the warm phase. The weakening of upper level low-pressure anomalies over central Asia during the positive phase of CGT also favours the extension of the Eurasian high over the Arabian Peninsula. Additionally, the climate model simulations experiments performed with newly developed Saudi-KAU Atmospheric Global Climate Model (AGCM) also support the observed findings. |
英文关键词 | Surface air temperature Circumglobal wave train pattern ENSO Arabian Peninsula |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000489753900072 |
WOS关键词 | CIRCUMGLOBAL WAVE-TRAIN ; MONSOON RAINFALL ; SAUDI-ARABIA ; ATMOSPHERIC CIRCULATION ; INDIAN MONSOON ; CLIMATE-CHANGE ; PRECIPITATION ; MODEL ; VARIABILITY ; SENSITIVITY |
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/187261 |
专题 | 气候变化 |
作者单位 | 1.King Abdulaziz Univ, Dept Meteorol, Ctr Excellence Climate Change Res, POB 80208, Jeddah 21589, Saudi Arabia; 2.Katholieke Univ Leuven, Dept Earth & Environm Sci, Leuven, Belgium |
推荐引用方式 GB/T 7714 | Almazroui, Mansour,Rashid, Irfan Ur,Saeed, Sajjad,et al. ENSO influence on summer temperature over Arabian Peninsula: role of mid-latitude circulation[J]. CLIMATE DYNAMICS,2019,53:5047-5062. |
APA | Almazroui, Mansour,Rashid, Irfan Ur,Saeed, Sajjad,&Islam, M. Nazrul.(2019).ENSO influence on summer temperature over Arabian Peninsula: role of mid-latitude circulation.CLIMATE DYNAMICS,53,5047-5062. |
MLA | Almazroui, Mansour,et al."ENSO influence on summer temperature over Arabian Peninsula: role of mid-latitude circulation".CLIMATE DYNAMICS 53(2019):5047-5062. |
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