supported by the Natural Science Foundation of China (Nos.40903008,90610037,40721002);the Open Research Fund of State Key Laboratory of Environmental Geochemistry,Chinese Academy of Sciences (SKLEG9006);the Chinese important special project (No.2009ZX07419-003)
The Aha Lake is a seasonal anoxic water system in the southwest of Guiyang City, Guizhou Province, China. Seasonal variations in SO42- concentrations and their isotopic compositions in lake water as well as in the tri...