Articles | Volume 27, issue 19
https://doi.org/10.5194/hess-27-3581-2023
https://doi.org/10.5194/hess-27-3581-2023
Research article
 | 
09 Oct 2023
Research article |  | 09 Oct 2023

Remote quantification of the trophic status of Chinese lakes

Sijia Li, Shiqi Xu, Kaishan Song, Tiit Kutser, Zhidan Wen, Ge Liu, Yingxin Shang, Lili Lyu, Hui Tao, Xiang Wang, Lele Zhang, and Fangfang Chen

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1. Blue/red and green/red Rrs(λ) are sensitive to lake TSI. 2. Machine learning algorithms reveal optimum performance of TSI retrieval. 3. An accurate TSI model was achieved by MSI imagery data and XGBoost. 4. Trophic status in five limnetic regions was qualified. 5. The 10m TSI products were first produced in 555 typical lakes in China.