Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-18-0706.1 |
Interdecadal Variations in the Frequency of Persistent Hot Events in Boreal Summer over Midlatitude Eurasia | |
Shi, Ning1; Wang, Yicheng2; Wang, Xiaoqiong3; Tian, Pinyu2 | |
2019-08-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:16页码:5161-5177 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Based on the daily Japanese 55-year Reanalysis (JRA-55) dataset, this study reveals that southern Europe/western Asia (SEWA) and northern China are two large-scale regions that have exhibited consistent interdecadal variations in the frequency of persistent hot events (PHEs). Over the past 58 summers, the period approximately from 1973 to 1996 represents an inactive period for the occurrence of PHEs over the two regions, whereas the antecedent and subsequent periods are active periods. At the subseasonal time scale, the regional PHEs over SEWA are characterized by quasi-stationary wave train anomalies aloft from the northwest Atlantic to Europe, while the regional PHEs over northern China are characterized by quasi-stationary wave train anomalies over the Eurasian continent. The persistence of the quasi-stationary anomalies is associated with the Rossby wave propagation. Moreover, the energy extraction from the basic flow is also favorable for their persistence. Our study reveals that the above typical circulation anomalies for the PHEs over both SEWA and northern China are in phase with the background circulation changes during the two active periods. Thus, the interdecadal changes in background circulation can modulate the frequency of PHEs over the two regions simultaneously. Further analysis reveals that the background circulation changes are closely related to the interdecadal variation in the Silk Road pattern based on their similarities in both spatial pattern and temporal variation. The sea surface temperature over four particular regions seems to facilitate the phase shifts in the Silk Road pattern on the interdecadal time scale. |
英文关键词 | Teleconnections Decadal variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000476762600003 |
WOS关键词 | HEAT WAVES ; EASTERN CHINA ; TEMPERATURE VARIABILITY ; TELECONNECTION PATTERN ; NORTH-ATLANTIC ; CLIMATE ; JET ; PRECIPITATION ; STATIONARY ; DYNAMICS |
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/185733 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Univ Informat Sci & Technol, Key Lab Meteorol Disaster, Minist Educ, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China; 2.Nanjing Univ Informat Sci & Technol, Coll Atmospher Sci, Nanjing, Jiangsu, Peoples R China; 3.Shanxi Climate Ctr, Taiyuan, Shanxi, Peoples R China |
推荐引用方式 GB/T 7714 | Shi, Ning,Wang, Yicheng,Wang, Xiaoqiong,et al. Interdecadal Variations in the Frequency of Persistent Hot Events in Boreal Summer over Midlatitude Eurasia[J]. JOURNAL OF CLIMATE,2019,32(16):5161-5177. |
APA | Shi, Ning,Wang, Yicheng,Wang, Xiaoqiong,&Tian, Pinyu.(2019).Interdecadal Variations in the Frequency of Persistent Hot Events in Boreal Summer over Midlatitude Eurasia.JOURNAL OF CLIMATE,32(16),5161-5177. |
MLA | Shi, Ning,et al."Interdecadal Variations in the Frequency of Persistent Hot Events in Boreal Summer over Midlatitude Eurasia".JOURNAL OF CLIMATE 32.16(2019):5161-5177. |
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