Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 9
Articles | Volume 18, issue 9
https://doi.org/10.5194/essd-18-6973-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-6973-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 9
Data description article
 | 
23 Sep 2026
Data description article |  | 23 Sep 2026

Extending daily river discharge records across China using satellite-derived river widths

Yong Wang, Yulin Gong, Yinghong Jing, Xiaojun She, and Yao Li

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Short summary
Rivers are vital sources of freshwater, but long-term records of how much water they carry are unavailable for many regions. This study combined satellite imagery with observations from more than 1000 river gauges to create the most comprehensive daily river discharge dataset for China (1990–2024). The dataset reveals widespread declines in river discharge across much of the country and provides an important resource for water management, environmental research, and future satellite missions.
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