【摘要】 地下水弥散系数是表征地下水污染质传布的重要参数,为建立地下水水质数学模型所不可缺少。作者近年来对第四系孔隙水与奥陶系基岩裂隙岩溶水,用同位素示踪剂¹³¹I进行了多次地下水弥散系数的就地测量工作。文中对野外弥散系数测定工作中发现的问题,进行一些讨论,并例举了二个孔隙水与岩溶水含水层的弥散试验。更多还原

【Abstract】 Dispersion coefficicnt, an imnportant parameter to characterize migration of pollutants in groundwater, is necessary for the establishment of the mathematical model for the quality of groundtwater. In the past years,the authors measured the dispersion coefficients of groundwater in porous media and karst aquifers with the isotopic tracer¹³¹l.The article discusses the findings in the determination of dispersion coefficients in situ.Two examples of measurement of dispersion coefficient for the porous and karst aquifers are given in the article.更多还原