Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1016/j.atmosres.2019.104654 |
A diagnosis of the interannual variation of the summer hydrometeor based on ERA-interim over Eastern China | |
Liu, Juju1; You, Qinglong2 | |
2020 | |
发表期刊 | ATMOSPHERIC RESEARCH |
ISSN | 0169-8095 |
EISSN | 1873-2895 |
出版年 | 2020 |
卷号 | 231 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Hydrometeor, which involves precipitation and cloud water net income, is the direct source of precipitation and the main component of cloud. It plays an important role in the climate system. In this study, we analyzed the climatology and interannual variation of the summer hydrometeor over Eastern China during 1979-2016 using ERA-Interim reanalysis datasets. The study region was divided into southern and northern sub-regions. Moreover, the hydrometeor budget analysis was diagnosed to further shed light on the formation and variation of the summer hydrometeor. The results showed that the summer hydrometeor pattern is more over the south and less over the north. In climatology, the hydrometeor is mainly contributed by evaporation and vertical moisture advection over the southern sub-region, while the most significant two contributions are evaporation and horizontal moisture advection over the northern sub-region. The interannual variation of hydrometeor over Eastern China exhibits the "north-south seesaw" pattern, which is mainly caused by atmospheric vertical motion. The hydrometeor interannual variation depends strongly on the vertical and horizontal moisture advections over the northern sub-region, but it is primarily contributed by vertical moisture advection over the southern subregion. The anomalous anticyclone located over the southeast coast of China - the northwest Pacific is in favor of the northward shift of the Western Pacific Subtropical High (WPSH), leading to the hydrometeor increase over the northern sub-region and the opposite over the southern sub-region. It indicates that the hydrometeor distribution pattern over Eastern China is mainly regulated by the WPSH. Further analysis indicated that the interannual variation of horizontal moisture advection over the northern area and vertical moisture advection are mainly caused by the change of the dynamic component, while the horizontal moisture advection over the southern area has both dynamic and thermodynamic drives, which offset each other. |
英文关键词 | Interannual variation Eastern China ERA-Interim Hydrometeor |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000513178000005 |
WOS关键词 | EXTREME PRECIPITATION ; SURFACE-TEMPERATURE ; RAINFALL ; MONSOON ; CLOUDS ; CIRCULATION ; ASSOCIATIONS ; VARIABILITY ; FEEDBACKS ; PATTERNS |
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/278773 |
专题 | 地球科学 |
作者单位 | 1.Meteorol Bur Shaanxi Prov, Xian 710000, Peoples R China; 2.Fudan Univ, Inst Atmospher Sci, Dept Atmospher & Ocean Sci, Shanghai 200438, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Juju,You, Qinglong. A diagnosis of the interannual variation of the summer hydrometeor based on ERA-interim over Eastern China[J]. ATMOSPHERIC RESEARCH,2020,231. |
APA | Liu, Juju,&You, Qinglong.(2020).A diagnosis of the interannual variation of the summer hydrometeor based on ERA-interim over Eastern China.ATMOSPHERIC RESEARCH,231. |
MLA | Liu, Juju,et al."A diagnosis of the interannual variation of the summer hydrometeor based on ERA-interim over Eastern China".ATMOSPHERIC RESEARCH 231(2020). |
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