affiliation not provided to SSRN
Nitrate enrichment, isotopes, Hydrogeochemistry, North China Plain, Alluvial-diluvial fan
Nitrate enrichment, Isotopes, Hydrogeochemistry, North China Plain, Alluvial-diluvial fan
Groundwater resource risk, groundwater quality, Health risk, Groundwater well field, Beijing-Tianjin-Hebei region