Original data of permanent gully morphology parameters in the loess hilly and gully region of China

Original data of permanent gully morphology parameters in the loess hilly and gully region of China, including perimeter, area, length, width, volume, length-width ratio, and shape index.

中国黄土丘陵沟壑区永久性沟谷形态参数原始数据，包含周长（perimeter）、面积（area）、长度（length）、宽度（width）、体积（volume）、长宽比（length-width ratio）及形状指数（shape index）。