Hydrochemical Types of Karst Groundwater in Tailai Basin
Published: 11 February 2020
IOP Conference Series: Materials Science and Engineering , Volume 730; doi:10.1088/1757-899x/730/1/012048
Abstract: Karst water resources is about 24% of the total amount of groundwater resources that can be exploited in China. Among the 15 groundwater sources in Tailai Basin, there are 12 karst water sources, accounting for 80%. With the survey and evaluation data of groundwater sources in Shandong Province, hydrochemical types analysis of karst water is carried out by Schukalev classification and The trilinear chart by Piper, and it is of great significance to development and utilization of karst water. The hydrochemical types of karst water is dominated by HCO3SO4-Ca water. However, if the naming of hydrochemical types involve nitrate, excess 39% of the karst water hydrochemical types changes. In addition, historical data shows that the concentration of nitrate in karst water has gradually increased, so it is recommended to increase nitrate indicators in the classification of hydrochemical types.
Keywords: survey / groundwater / classification / nitrate / Karst Water / basin / Hydrochemical Types / Tailai
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