岩溶泉流量衰减曲线分析

由于岩溶含水介质的强烈非均质性和各向异性,如何有效认识岩溶含水层内部的水文地质特征为研究难点之一,岩溶泉衰减曲线分析为认识岩溶含水层的一种有效手段。总结了目前广泛用于泉流量衰减曲线分析的几种常见方法,主要包括指数型衰减、非指数型衰减分析方法以及综合型的衰减曲线分析方法,讨论了管道可能对泉流量衰减曲线的影响,最后提出了今后对岩溶泉流量衰减曲线分析拟解决的一些关键问题。

O n R ecession C u rv e o f K a rs t S p rin g

B e c a u se o f stro n g h e te ro g e n e ity a n d a n iso tro p y o f th e k a rst a q u ife r, it is very h a rd to u n d e rs ta n d th e in te rn a l p ro p e rtie s o f th e k a rst a q u ife r. A n a ly z in g th e re c e ssio n c u rv e o f th e k a rs l s p rin g is a n effe ctiv e w ay to so lv e th is p ro b le m . T h is p a p e r r e - v ie w ed th e m e th o d s th a t w ere w id e ly u se d to a n a ly z e th e re c e s s io n c u rv e o f th e k a rsl sp rin g , in c lu d in g e x p o n e n tia l re c e s s io n , n o n - e x p o n e n tia l re c e ssio n a n d so m e co m b in a tio n a n a ly s is m e th o d s. T h e in flu e n c e o f th e c o n d u it o n th e re c e s s io n c u rv e w as a lso d is - c u s s e d . B a se d o n th e s e a n a ly s is m e th o d s, so m e k ey p ro b le m s n e e d to b e so lv e d in th e fu tu re w ere p ro p o se d .