Du et al. (2026) Projected intensification of compound river flooding and urban waterlogging in riverside cities of the Yangtze river basin

Identification

• Journal: Journal of Hydrology
• Year: 2026
• Date: 2026-09-06
• Authors: Hong Du, Sidong Zeng, Yongyue Ji, Yating Hu, Zhuo Liu, Hayley Jane Fowler, Jun Xia
• DOI: 10.1016/j.jhydrol.2026.136374

Research Groups

• Department of Hydrology, Nanjing University
• State Key Laboratory of Hydroscience and Engineering, Tsinghua University
• School of Earth and Environment, University of Leeds

Short Summary

This study projects the intensification of compound river flooding and urban waterlogging in riverside cities of the Yangtze River Basin under future climate scenarios. The results indicate significant increases in flood frequency and severity by 2050.

Objective

• Investigate the projected impacts of climate change on compound river flooding and urban waterlogging in the Yangtze River Basin

Study Configuration

• Spatial Scale: The study focuses on the Yangtze River Basin, China's largest river basin.
• Temporal Scale: The analysis spans from 2020 to 2050 under different future climate scenarios.

Methodology and Data

• Models used: The authors employed a hydrological model (SWAT) coupled with a climate model (HadGEM2-ES).
• Data sources: The study utilized satellite data, observation records, and reanalysis products from ERA5.

Main Results

• Projected increases in flood frequency and severity by 2050, with compound flooding events expected to occur more frequently.
• Urban waterlogging is projected to worsen due to increased precipitation intensity and frequency.

Contributions

• This study provides new insights into the impacts of climate change on compound river flooding and urban waterlogging in the Yangtze River Basin, highlighting the need for adaptive measures to mitigate these effects.

Funding

• National Natural Science Foundation of China (Grant No. 52179023)
• The Ministry of Education of China's Key Project for Research and Development of Water Resources (Grant No. 2018ZX07108001)

Citation

@article{Du2026Projected,
  author = {Du, Hong and Zeng, Sidong and Ji, Yongyue and Hu, Yating and Liu, Zhuo and Fowler, Hayley Jane and Xia, Jun},
  title = {Projected intensification of compound river flooding and urban waterlogging in riverside cities of the Yangtze river basin},
  journal = {Journal of Hydrology},
  year = {2026},
  doi = {10.1016/j.jhydrol.2026.136374},
  url = {https://doi.org/10.1016/j.jhydrol.2026.136374}
}