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    Water Area Variation and River–Lake Interactions in the Poyang Lake from 1977–2021 by Biqing Tian, Peng Gao, Xingmin Mu, Guangju Zhao

    Published 2023-01-01
    “…Poyang Lake is China’s largest freshwater lake with complex hydrological relationships and unique rhythmic changes. …”
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    Retrieve of total suspended matter in typical lakes in China based on broad bandwidth satellite data: Random forest model with Forel-Ule Index by Mingjian Zhai, Mingjian Zhai, Xiang Zhou, Zui Tao, Tingting Lv, Hongming Zhang, Ruoxi Li, Ruoxi Li, Yuxuan Huang, Yuxuan Huang

    Published 2023-02-01
    “…The results showed that 1) Compared with four machine learning models, the RF model can provide better performance (R2=0.88, Mean Absolute Percentage Error (MAPE) = 22.5%). Similarly, compared with the documented six TSM retrieve model, the RF retrieve model also has substantial advantages. 2) the Forel-Ule Index (FUI) can effectively enhance the precision and accuracy of the TSM retrieve model. 3) The RF model has good generalization ability and accuracy in the validation datasets (Lake Chagan: MAPE = 3.7%, Lake Changdang: MAPE = 4.3%). 4) The RF model was applied to the broad bandwidth satellites retrieve of TSM concentrations in Lake Bosten, Lake Chagan, and Lake Changdang, and the MAPEs were 5.3%, 8.1%, and 12.1%, respectively. …”
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