Fig. 8c shows that the hydrogen (D2H) and.oxygen (618O) isotopjc values of groundwater from thd Badain Jann Desert and'the Tengger DJsert both plot along an evaporation line (EL).
Fig. 8c shows that the hydrogen (D2H) and.oxygen (618O) isotopjcvalues of groundwater from thd Badain Jann Desert and'theTengger DJsert both plot alongan evaporationline (EL).