This work presented in  was partly supported by the ESA Dragon 2 programme under proposal no. 5322: "Key Eco-Hydrological Parameters Retrieval and Land Data Assimilation System Development in a Typical Inland River Basin of China's Arid Region", a project which was coordinated at Delft University of Technology (TU Delft) with Massimo Menenti as the Lead Investigator. Hence, the authors would like to inform that Robin Faivre, the first author of , is also affiliated to the Department of Geoscience and Remote Sensing (GRS) of Delft University of Technology (TU Delft), since he has been a young scientist of the ESA Dragon 2 programme. The authors apologize for any inconvenience this change may cause. The changes do not affect the scientific results. The manuscript will be updated and the original will remain online on the article webpage, with a reference to this addendum.