Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40562-022-00243-w/MediaObjects/40562_2022_243_Fig1_HTML.png)
Samples of ICESat-2 and GEDI over the four lakes and their hydrological stations: a Chaohu Lake (8 November 2020 for ICESat-2; 3 May 2020 for GEDI); b Hongze Lake (8 March 2019 for ICESat-2; 20 July 2020 for GEDI); c Gaoyou Lake (23 December 2018 for ICESat-2; 2 December 2019 for GEDI); d Taihu Lake (18 April 2019 for ICESat-2; 5 July 2020 for GEDI)