中文摘要：

First author biography： DONG Yadong （1990- ）, male, master candidate. He majors in improving the hotspot effect of the MODIS operational algorithm. E-mall： 839558211 @ qq.com Corresponding author biography： JIAO Ziti （1970- ）, male, associate professor. His research interests include modeling reflectance anisotropy and albedo, and differentiating land covers with multiple-view-angle remotely sensed data. He has published dozens of papers in several journals. E-mail： jiaozt@bnu.edu.an