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DOI | 10.1175/JCLI-D-17-0388.1 |
Role of Latent Heating over the Tropical Western Pacific in Surface Temperature Change over North America during Boreal Spring | |
He, Bian1,2; Yang, Song3,4,5 | |
2018-03-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:6页码:2169-2184 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Based on observational data, a linear baroclinic model, and an atmospheric general circulation model (AGCM), the major modes of spring precipitation over the tropical Asian and Pacific regions are identified. and the influence of latent heating over the tropical western Pacific (TWP) on global climate is investigated. Results show that the first mode of empirical orthogonal function analysis explains 20% of the total variance in March, the largest in spring, with the maximum center located over the TWP. The precipitation is highly positively correlated with local sea surface temperature (SST) in March, which suggests that the warming SST is the trigger for the precipitation over the TWP. Further analysis suggests that an increase in latent heating over the TWP, especially in March, can produce Rossby waves along the westerly jet, which causes an increase in surface temperature over North America. The propagation intensity decreases from March to May. The changes in location and strength of the westerly jet stream in the Northern Hemisphere are responsible for this decrease. Experiments with both a linear baroclinic model and an AGCM verify the above hypothesis. The study highlights that the spatial distributions of latent heating and westerly jet stream are the two key factors for the formation of teleconnection patterns from eastern Asia to North America. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000427447000005 |
WOS关键词 | STEADY LINEAR-RESPONSE ; SOUTH CHINA SEA ; SUMMER MONSOON ; ATMOSPHERIC CIRCULATION ; INTERANNUAL VARIABILITY ; PLANETARY-WAVES ; SST ANOMALIES ; HEIGHT FIELD ; MEAN FLOW ; TELECONNECTIONS |
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/19781 |
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.Sun Yat Sen Univ, Sch Atmospher Sci, Guangzhou, Guangdong, Peoples R China; 4.Sun Yat Sen Univ, Guangdong Prov Key Lab Climate Change & Nat Disas, Guangzhou, Guangdong, Peoples R China; 5.Sun Yat Sen Univ, Inst Earth Climate & Environm Syst, Guangzhou, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | He, Bian,Yang, Song. Role of Latent Heating over the Tropical Western Pacific in Surface Temperature Change over North America during Boreal Spring[J]. JOURNAL OF CLIMATE,2018,31(6):2169-2184. |
APA | He, Bian,&Yang, Song.(2018).Role of Latent Heating over the Tropical Western Pacific in Surface Temperature Change over North America during Boreal Spring.JOURNAL OF CLIMATE,31(6),2169-2184. |
MLA | He, Bian,et al."Role of Latent Heating over the Tropical Western Pacific in Surface Temperature Change over North America during Boreal Spring".JOURNAL OF CLIMATE 31.6(2018):2169-2184. |
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