Effects of various land utilization types on groundwater at different temporal scales: a case study of Huocheng plain, Xinjiang, China oleh Yongxing Lu, Yongxing Lu, Liangliang Dai, Guanxi Yan, Zhitao Huo, Wen Chen, Jingzhou Lan, Chaoming Zhang, Qingyang Xu, Shimin Deng, Jian Chen