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DOI | 10.1002/joc.5321 |
Interannual variation of precipitation over the Hengduan Mountains during rainy season | |
Dong, Danhong1,2; Huang, Gang1,2,3,4; Tao, Weichen1; Wu, Renguang1,5; Hu, Kaiming1,5; Li, Chaofan5 | |
2018-03-30 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY |
ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2018 |
卷号 | 38期号:4页码:2112-2125 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | The present study investigates the interannual variability of precipitation over the Hengduan Mountains (HMs) during rainy season based on daily precipitation dataset of 151 meteorological stations. More HMs precipitation is associated with an anomalous lower level cyclonic circulation over the northern South China Sea (SCS) and the upper level Silk Road pattern (SRP)-like geopotential height anomalies. Along the north flank of the anomalous cyclonic circulation, easterly wind anomalies weaken climatology winds and prevent further movement of southwest moisture transport, leading to the enhancement of moisture convergence over HMs. Diagnosis shows that anomalous vertical motions are owing to the advection of anomalous temperature by basic zonal winds. The anomalous lower level cyclonic circulation over the northern SCS is related to La Nina-like sea surface cooling in the equatorial central and eastern Pacific. This cooling adjusts the Walker Circulation, causing positive precipitation anomalies near the SCS, which trigger the anomalous cyclonic circulation as a warm Rossby wave response. The distribution of upper level geopotential height anomalies over the mid-latitude Asian land resembles the SRP. Due to its barotropic structure, the SRP leads to warm and cold anomalies over the central Asia and the central China, respectively. The advection of anomalous temperature gradient by mean westerlies leads to anomalous ascending motions and more precipitation over HMs. |
英文关键词 | the Hengduan Mountains precipitation vertical motions SCS cyclone central and eastern Pacific cooling Silk Road pattern |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000427011700037 |
WOS关键词 | EASTERN TIBETAN PLATEAU ; LARGE-SCALE CIRCULATIONS ; ASIAN SUMMER MONSOON ; EL-NINO ; CIRCUMGLOBAL TELECONNECTION ; ANOMALOUS ANTICYCLONE ; TEMPORAL TRENDS ; OCEAN CAPACITOR ; BOREAL SUMMER ; CLIMATE MODEL |
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/36860 |
专题 | 气候变化 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China; 2.Univ Chinese Acad Sci, Beijing, Peoples R China; 3.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Peoples R China; 4.Joint Ctr Global Change Studies, Beijing, Peoples R China; 5.Chinese Acad Sci, Inst Atmospher Phys, Ctr Monsoon Syst Res, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Dong, Danhong,Huang, Gang,Tao, Weichen,et al. Interannual variation of precipitation over the Hengduan Mountains during rainy season[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2018,38(4):2112-2125. |
APA | Dong, Danhong,Huang, Gang,Tao, Weichen,Wu, Renguang,Hu, Kaiming,&Li, Chaofan.(2018).Interannual variation of precipitation over the Hengduan Mountains during rainy season.INTERNATIONAL JOURNAL OF CLIMATOLOGY,38(4),2112-2125. |
MLA | Dong, Danhong,et al."Interannual variation of precipitation over the Hengduan Mountains during rainy season".INTERNATIONAL JOURNAL OF CLIMATOLOGY 38.4(2018):2112-2125. |
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