TY - Acta Geographica Sinica A1 - ZHU Shijie, TANG Guo'an, LI Fayuan, XIONG Liyang T1 - Spatial variation of hypsometric integral in the Loess Plateau based on DEM Y1 - 2013-07-27 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 921 EP - 932 VL - 68 IS - 7 UR - {https://www.geog.com.cn/EN/Y2013/V68/I7/921} N1 - ER -