On September 22, 2020, Lijun Chao from the Hydrological Remote Sensing Research Group completed their doctoral defense and graduated successfully.
![](https://landhydro.org/wp-content/uploads/2021/03/晁丽君答辩-724x1024.jpg)
On September 22, 2020, Lijun Chao from the Hydrological Remote Sensing Research Group completed their doctoral defense and graduated successfully.