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Zihan Liu, Hongming Zhang, Liang Dong, Zhitong Sun, Shufang Wu, Biao Zhang, Linlin Yuan, Zhenfei Wang and Qimeng Jia
The positive and negative terrains (P?N terrains) of the Loess Plateau of China are important geographical topography elements for measuring the degree of surface erosion and distinguishing the types of landforms. Loess shoulder-lines are an important te...
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