A Quantitative Model of Local Terrain Complexity Based on Joint Entropy of Slope and Aspect and Its Application in Terrain Data Thinning


Qi Wang1, Fenzhen Su2, Yu Zhang1, Fei Cheng3, Huiping Jiang1 and NA LIU4, (1)Institute of Geographic Sciences and Natural Resources Research, CAS; University of Chinese Academy of Sciences, Beijing, China, (2)IGSNRR Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, China, (3)Institute of Geographic Sciences and Natural Resources Research, CAS; Nanjing University, Beijing, China, (4)Institute of Geographic Sciences and Natural Resources Research, CAS; Beijing Normal University, Beijing, China