Lin et al. (2025) Characteristics of Extratropical Cyclones and Associated Precipitation Across the Huang‐Huai River Basin, East China

⚠️ Warning: This summary was generated from the abstract only, as the full text was not available.

Identification

• Journal: International Journal of Climatology
• Year: 2025
• Date: 2025-10-23
• Authors: Zhiqiang Lin, Long Jiang, Xiuping Yao, L.F. Lyu, Ke Li, Caiyun Feng
• DOI: 10.1002/joc.70167

Research Groups

Not explicitly stated in the abstract.

Short Summary

This study analyzed extratropical cyclone (ETC) characteristics and precipitation patterns in the Huang-Huai River Basin (HHRB) from 1979 to 2022, finding that ETCs contribute approximately 60% of the region's total precipitation, with distinct types playing crucial roles in summer floods and droughts.

Objective

• To investigate the spatiotemporal characteristics and precipitation patterns of extratropical cyclones (ETCs) affecting the Huang-Huai River Basin (HHRB).

Study Configuration

• Spatial Scale: Huang-Huai River Basin (HHRB), East China.
• Temporal Scale: 1979–2022 (44 years).

Methodology and Data

• Models used: None explicitly stated for primary analysis; data derived from reanalysis product.
• Data sources: ERA5 reanalysis.

Main Results

• An average of 33.2 extratropical cyclones (ETCs) traverse the HHRB annually, showing a statistically insignificant increasing trend over the study period.
• Most ETC activity occurs during summer months and nighttime hours.
• ETCs contribute approximately 60% of the HHRB's total precipitation, with their contribution increasing for more intense precipitation events.
• ETCs are classified into five distinct types based on source regions and tracks: locally generated systems and those originating from northwestern, northeastern, southwestern, and southern China.
• Locally generated ETCs produce the largest total precipitation.
• ETCs originating from southwestern China trigger the most intense rainfall events.
• ETC-induced precipitation plays a crucial role in driving summer floods and droughts over the HHRB.

Contributions

• Provides a deeper understanding of the characteristics, formation mechanisms, and precipitation-generating processes of extratropical cyclones in the Huang-Huai River Basin.
• Offers essential insights for effective disaster prevention and mitigation strategies in this flood and drought-prone region.
• Establishes a long-term dataset (1979–2022) for ETC analysis and a classification scheme for ETC types based on origin and track.

Funding

Not explicitly stated in the abstract.

Citation

@article{Lin2025Characteristics,
  author = {Lin, Zhiqiang and Jiang, Long and Yao, Xiuping and Lyu, L.F. and Li, Ke and Feng, Caiyun},
  title = {Characteristics of Extratropical Cyclones and Associated Precipitation Across the Huang‐Huai River Basin, East China},
  journal = {International Journal of Climatology},
  year = {2025},
  doi = {10.1002/joc.70167},
  url = {https://doi.org/10.1002/joc.70167}
}