The Quantitative Role of Moisture and Vertical Motion in Shaping Summer Heavy Rainfall over North China under Two Distinct Large-Scale Weather Patterns
文献类型：期刊论文
| 作者 | Li, Jiao1,2,3; Zhao, Yang4,5,6; Chen, Deliang7; Zhao, Ping3; Zhang, Chi8; Wang, Yinjun9 |
| 刊名 | JOURNAL OF CLIMATE
 |
| 出版日期 | 2024-04-01 |
| 卷号 | 37期号:8页码:2655-2672 |
| ISSN号 | 0894-8755 |
| 关键词 | Extreme events Classi fi cation Water vapor Vertical motion Hydrologic cycle |
| DOI | 10.1175/JCLI-D-22-0850.1 |
| 通讯作者 | Zhao, Yang(qkylyy520@163.com) |
| 英文摘要 | Two distinct categories of weather patterns, denoted as Type 1 and Type 2, which show higher -thanexpected frequency of summer heavy rainfall days (HRDs) over North China (NC), are selected from nine weather patterns categorized by the self -organizing map algorithm during 1979-2019. The respective HRDs over NC exhibit dissimilar characteristics, with Type 1 showing a northern distribution and Type 2 a southern distribution. The quantitative disparities in terms of moisture content and vertical motion are discussed in reactions to the synoptic -scale patterns associated with HRDs. The outcomes of a 20 -day backward tracking, using the so-called Water Accounting Model-2layers, reveal noteworthy contrasts in moisture sources. Type 1 predominantly receives moisture from the western North Pacific, while Type 2 relies more on contributions from the Arabian Sea, Bay of Bengal, and Eurasia. However, the major moisture sources with grid cells contributing more than 0.01 mm show a consistent cumulative contribution of 77% for Type 1 and 80% for Type 2. The finding suggests that the discrepancy between the two types cannot be solely attributed to moisture supply. Further examination of the transverse and shearwise Q -vector components provides insights into how these distinct weather patterns influence HRDs by the alteration of vertical motion. In Type 1, an upper -level jet entrance induces a thermally direct secondary circulation that enhances vertical motion, while a baroclinic trough plays a dominant role in generating vertical motion in Type 2. Moreover, these unique configurations for each type of weather pattern are not only pre-existing but also intensified during HRDs. |
| WOS关键词 | EXTREME PRECIPITATION ; TIBETAN PLATEAU ; EVENT ; VARIABILITY ; PERFORMANCE ; TRACKING ; MIDDLE |
| 资助项目 | Science and Technology Development Foundation of the Chinese Academy of Meteorological Sciences[2023KJ042] |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| 出版者 | AMER METEOROLOGICAL SOC |
| WOS记录号 | WOS:001189729700001 |
| 资助机构 | Science and Technology Development Foundation of the Chinese Academy of Meteorological Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/203854]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhao, Yang |
| 作者单位 | 1.Fudan Univ, Dept Atmospher & Ocean Sci, Shanghai, Peoples R China 2.Fudan Univ, Inst Atmospher Sci, Shanghai, Peoples R China 3.Chinese Acad Meteorol Sci, Inst Tibetan Plateau Meteorol, Beijing, Peoples R China 4.Ocean Univ China, Frontier Sci Ctr Deep Ocean Multispheres & Earth S, Key Lab Phys Oceanog, Qingdao, Peoples R China 5.Ocean Univ China, Key Lab Phys Oceanog & Acad Future Ocean, Qingdao, Peoples R China 6.Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao, Peoples R China 7.Univ Gothenburg, Dept Earth Sci, Reg Climate Grp, Gothenburg, Sweden 8.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China 9.Chinese Acad Meteorol Sci, State Key Lab Severe Weather, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Jiao,Zhao, Yang,Chen, Deliang,et al. The Quantitative Role of Moisture and Vertical Motion in Shaping Summer Heavy Rainfall over North China under Two Distinct Large-Scale Weather Patterns[J]. JOURNAL OF CLIMATE,2024,37(8):2655-2672. |
| APA | Li, Jiao,Zhao, Yang,Chen, Deliang,Zhao, Ping,Zhang, Chi,&Wang, Yinjun.(2024).The Quantitative Role of Moisture and Vertical Motion in Shaping Summer Heavy Rainfall over North China under Two Distinct Large-Scale Weather Patterns.JOURNAL OF CLIMATE,37(8),2655-2672. |
| MLA | Li, Jiao,et al."The Quantitative Role of Moisture and Vertical Motion in Shaping Summer Heavy Rainfall over North China under Two Distinct Large-Scale Weather Patterns".JOURNAL OF CLIMATE 37.8(2024):2655-2672. |
入库方式： OAI收割
来源：地理科学与资源研究所
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