Temporal and spatial variation of soil moisture of small watershed in gully catchment of the Loess Plateau of ChinaQiguang Dong, Jichang Han, Na Lei, Jing He, Zenghui Sun, Yufei Xiong and Ya’nan LiE3S Web Conf., 118 (2019) 01009DOI: https://doi.org/10.1051/e3sconf/201911801009