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DOI | 10.1007/s00382-019-04713-4 |
Linking quasi-biweekly variability of the South Asian high to atmospheric heating over Tibetan Plateau in summer | |
Ren, Rongcai1,2,3; Zhu, Chuandong1,4; Cai, Ming5 | |
2019-09-01 | |
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:3419-3429 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | This study investigates the summertime day-to-day variability of the South Asian high (SAH) driven by atmospheric heating over Tibetan Plateau (TP) using the NCEP/NCAR reanalysis dataset. We first isolate the day-to-day variability of SAH in summertime based on the intensity of the summertime Tibetan Plateau upper-atmospheric heat source (TPUHS). It shows that anomalously stronger TPUHS days are accompanied with SAH center over Iranian Plateau (IP or the IP phase of the SAH) and the SAH center moves to TP (or the TP phase) during weaker TPUHS days, which contrasts with the corresponding relationship between SAH IP/TP phase and weaker/stronger TP heating in monthly and longer timescale. We further demonstrate that the SAH IP/TP phase coincides with stronger/weaker low surface pressure anomalies over TP. The stronger ascending and upper-tropospheric divergence anomalies above TP during stronger TPUHS days connect to compensatory stronger descending and upper-tropospheric convergence anomalies over IP. Such day-to-day SAH variability associated with TPUHS exhibits a quasi-biweekly time scale with a pronounced westward propagating signal. |
英文关键词 | Tibetan Plateau upper-atmospheric heat source South Asian high Quasi-biweekly variations |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000483626900055 |
WOS关键词 | CLIMATE PATTERNS ; MONSOON ; CIRCULATIONS ; ANTICYCLONE ; BIMODALITY ; IMPACT ; SCALE |
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/186383 |
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, POB 9804, Beijing 100029, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing 210044, Jiangsu, Peoples R China; 3.Nanjing Univ Informat Sci & Technol, KLME, Nanjing 210044, Jiangsu, Peoples R China; 4.Univ Chinese Acad Sci, Coll Earth Sci, Beijing 100049, Peoples R China; 5.Florida State Univ, Dept Earth Ocean & Atmospher Sci, Tallahassee, FL 32306 USA |
推荐引用方式 GB/T 7714 | Ren, Rongcai,Zhu, Chuandong,Cai, Ming. Linking quasi-biweekly variability of the South Asian high to atmospheric heating over Tibetan Plateau in summer[J]. CLIMATE DYNAMICS,2019,53:3419-3429. |
APA | Ren, Rongcai,Zhu, Chuandong,&Cai, Ming.(2019).Linking quasi-biweekly variability of the South Asian high to atmospheric heating over Tibetan Plateau in summer.CLIMATE DYNAMICS,53,3419-3429. |
MLA | Ren, Rongcai,et al."Linking quasi-biweekly variability of the South Asian high to atmospheric heating over Tibetan Plateau in summer".CLIMATE DYNAMICS 53(2019):3419-3429. |
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