Hydrochemical and isotopic indicators of Poyang Lake region

The data is the result of the water quality survey of both groundwater and surface water in Poyang Lake region in China. The water quality data are derived from our field investigation and sampling.  Hydrochemical indicators include physical indicators and chemical indicators, including temperature, dissolved oxygen (DO), pH, NO2--N, NO3--N, NH4+-N, TN, K+, Na+, Ca+, Mg+, Cl-, SO42-, alkalinity, total dissolved solid (TDS) and COD, specifically. Isotopic indicator include δ18O and δ2H in the water.