Notice of RetractionHydrochemical Features of the Thermal Waters in Chongqing Metropolitan, Southwest China

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

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There are about 100 million m³ underground thermal water resource storage in Chongqing, and 13 thermal water samples were collected from the Chongqing metropolitan area and analyzed. The results shows that HCO₃^-, SO₄^2-, Ca²⁺, Mg²⁺ are the main ions in all the thermal waters and the hydrochemical types of these thermal springs are all SO₄^2--Ca and SO₄^2--Ca-Mg, which suppose that all the thermal waters have the same recharge. What´s more, a good positive correlation between SO₄^2- and Ca²⁺, Mg₂^4--reveals that SO₄^2-, Ca²⁺, Mg²⁺ in these thermal waters have the same origin. But a little difference of hydrochemical characters between nature springs and drilling wells shows that thermal water in nature springs is a mixture of water in sandstone and water in thermal aquifer.