Climate Change Data Portal
| DOI | 10.1007/s00382-024-07228-9 |
| A dry-wet teleconnection between southwestern and northeastern China in winter and early spring | |
| 发表日期 | 2024 |
| ISSN | 0930-7575 |
| EISSN | 1432-0894 |
| 英文摘要 | Global climate change has led to more frequent and intense dry and wet extremes, causing considerable socio-economic losses, but whether these extremes in distant regions are linked and what mechanisms are driving their changes remain unclear. Based on the standardized precipitation-evapotranspiration index and ERA5 reanalysis data, this study reveals a dry-wet teleconnection between southwestern China (SWC) and northeastern China (NEC) from January to April: when SWC was extremely dry, NEC tended to be anomalously wet, and vice versa. Although the seesawing teleconnection is most significant on interannual time scales, it also experienced interdecadal changes, with wet SWC and dry NEC in 1979-1998 and 2019-present and dry SWC and wet NEC in 1999-2018. Further investigations suggest that the pattern of dry SWC and wet NEC is related to anomalous anticyclones (cyclones) over SWC (NEC), which lead to significant changes in surface temperature and total precipitation in the respective regions. The dryness in western (eastern) SWC is mainly influenced by the changes in temperature (precipitation), while the NEC wetness is affected mainly by the changes in temperature. Observational and modeling studies further suggest that the pressure anomalies over SWC and NEC are caused by zonally and meridionally propagating Rossby wave trains, triggered by the North Atlantic Oscillation and the enhanced Indo-Pacific convection, respectively. These wave trains further lead to hydroclimatic extremes in North America, southern Europe, and the Middle East by regulating the atmospheric circulation anomalies over these regions. |
| 英文关键词 | Teleconnection; Dry and wet; Southwestern China; Northeastern China |
| 语种 | 英语 |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| WOS类目 | Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001200470000009 |
| 来源期刊 | CLIMATE DYNAMICS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/298555 |
| 作者单位 | Sun Yat Sen University; Southern Marine Science & Engineering Guangdong Laboratory; Southern Marine Science & Engineering Guangdong Laboratory (Zhuhai); Sun Yat Sen University; University of Gothenburg; Chinese Academy of Sciences; Institute of Atmospheric Physics, CAS |
| 推荐引用方式 GB/T 7714 | . A dry-wet teleconnection between southwestern and northeastern China in winter and early spring[J],2024. |
| APA | (2024).A dry-wet teleconnection between southwestern and northeastern China in winter and early spring.CLIMATE DYNAMICS. |
| MLA | "A dry-wet teleconnection between southwestern and northeastern China in winter and early spring".CLIMATE DYNAMICS (2024). |
| 条目包含的文件 | 条目无相关文件。 | |||||
| 个性服务 |
| 推荐该条目 |
| 保存到收藏夹 |
| 导出为Endnote文件 |
| 谷歌学术 |
| 谷歌学术中相似的文章 |
| 百度学术 |
| 百度学术中相似的文章 |
| 必应学术 |
| 必应学术中相似的文章 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
