Differences in hydrogeochemistry between shallow and deep aquifers in the Baiyangdian basin, ChinaHuaming Guo, Zhaoli Shen, Yi Chen, Kai Zhao, Haitao Li, Wei Xiu and Lingbao WengE3S Web Conf., 98 (2019) 07009DOI: https://doi.org/10.1051/e3sconf/20199807009