Effects of Smoothed BRDF on Multi-angle Albedo Retrievals Yanmin Shuai, Jian Yang, Junbo Duan, Latipa Tuerhanjiang, Chongyang Wang and Yu Ma E3S Web Conf., 350 (2022) 01007 Published online: 09 May 2022 DOI: 10.1051/e3sconf/202235001007