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| Analysis on the hydrochemical study of groundwater in Dawenkou basin of Taian |
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Received:December 09, 2010
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| DOI：10.3969/j.issn.1005-7854.2011.01.023 |
| KeyWord:chemical type; change of water quality; Dawenkou basin |
| Author | Institution |
| XU Yang |
School of Resources and Environment, University of Jinan, Jinan ,China |
| LV Hua |
School of Resources and Environment, University of Jinan, Jinan ,China |
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| Abstract: |
| Based on hydrogeological conditions of the Dawenkou basin, the groundwater system is divided into Quaternary pore water, Paleogene fissure water and Cambrian - Ordovician karst water. The feature of the major ions, salinity and water chemical types are analysed in groundwater systems. It’s show that the quality of the quaternary pore water is effected more severe by human activities. The quality of the first Paleogene fissure aquifer water is better; the quality of the second Paleogene fissure aquifer water which is effected the lithology of aquifer and other factors is becoming bad, the chemical type turns the type of HCO3–Ca into the type of SO4-Ca.The Cambrian-Ordovician karst water quality is much better, beacouse it’s effected less by external factors. With the expioit pumping test, the second fissure aquifer water quality is improved by long time pumping, but it can not fundamentally make the water quality better. |
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