Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang 050061 ChinaKey Laboratory of Groundwater Remediation of Hebei Province and China Geological Survey Shijiazhuang 050061 China;
Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang 050061 ChinaKey Laboratory of Groundwater Remediation of Hebei Province and China Geological Survey Shijiazhuang 050061 China;
Hebei Hydrology Engineering Geological Survey Institute Co.LTD Shijiazhuang 050061 China;
China University of Geosciences Beijing 100083 China.;
Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang 050061 ChinaKey Laboratory of Groundwater Remediation of Hebei Province and China Geological Survey Shijiazhuang 050061 China;
Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological Sciences Shijiazhuang 050061 ChinaKey Laboratory of Groundwater Remediation of Hebei Province and China Geological Survey Shijiazhuang 050061 China;
Arsenic; Roxarsone; Spatiotemporal variation; Microbial community;