The dynamic of hydrochemical parameters of alkaline salt lake Khilganta (South-East Zabaikalie)

Show dynamic the hydrochemical parameters fluctuated of Lake Khilganta in damp period (since 1995 to 1998 years) and in droughty period (since 1999 year) in wide limits. The water mineralization varied from 25 g/l to saturation. pH of water reduced from 10 to 7.99. The lake's water belongs to chloride-sulphate sodium type and a carbonate concentration no more than 3.5% from the sum of ions. A change of water pH in wide diapasons may be explained by Hardie-Eugster rule.