三姑泉流量动态特征及衰减原因研究

Research on dynamic characteristics and Attenuation Causes of Flow Rate of Sangu Spring

为确保三姑泉域岩溶水资源的可持续开发利用,开展三姑泉流量研究是非常必要的。在充分分析三姑泉多年泉流量、降水量及岩溶水开采量等的基础上,对三姑泉流量动态特征和衰减原因进行了研究。结果表明,三姑泉流量动态特征整体上呈下降趋势,导致三姑泉流量衰减的主要因素为大气降水减少、人工岩溶水开采和采煤排水。

In order to guarantee the sustainable exploitation and utilization of Karst water resources in Sangu Spring Basin,it is very necessary to make the research on the flow rate of Sangu Spring.Based on the full analysis on many years＇ data of Sangu Spring such as annual flow rate,precipitation,and Karst water exploitation quantity,etc.,this paper researches the dynamic characteristics and the attenuation causes of the flow rate of Sangu Spring.The results show that the dynamic characteristics of Sangu Spring tends to decrease on the whole,and the main factors causing the decrease of the flow rate of Sangu Spring are the decrease of atmospheric precipitation,the man-made exploitation of Karst water as well as the water draining of coal mining.