Xiaotong Zhang received his Master’s and Ph.D. degrees in cartography and geographical information science from Wuhan University, Wuhan, China, in 2006 and 2010. From 2008 to 2010, he was with the Department of Geographical Sciences, University of Maryland, College Park, MD, USA, as a Joint Ph.D. Student. He is currently a Professor with the State Key Laboratory of Remote Sensing Science, Faculty of Geographical Science, Beijing Normal University, Beijing. China, His research interests include the estimation of land surface radiation components from satellite data, and earth energy balance.