Geochemical modeling of groundwater in karst area and its application at Pingdingshan coalfield |
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| Authors: | Guangcai Wang Shu Tao Zhaoli Shen Zhuoxin Zhong |
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| Institution: | (1) Department of Urban and Environmental Sciences, Peking University, 100871 Beijing, China;(2) Department of Environmental Sciences, China University of Geosciences, 100083 Beijing, China |
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| Abstract: | Several approaches including hydrogeochemistry and isotope hydrogeology have been used to investigate the karst groundwater
systems at Pingdingshan coalfield in recent years. The results of the modeling and evaluation of groundwater chemistry, as
parts of recent research progress at the area, are presented. The characteristics of Cambrian karst groundwater flow was analyzed
in terms of tritium distribution of groundwater based on the fact that the Guodishan fault, the largest one within the coalfield,
is divided into permeable (southern and northern) and impermeable (middle) sections. The evolution of groundwater chemistry,
the suitability of geothermometers and the feature of karst development were deduced and discussed using the speciation modeling
and mass balance approach.
Project partially supported by China Postdoctoral Science Foundation. |
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| Keywords: | Pingdingshan coalfield karst groundwater isotopes geochemical modeling |
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