duringasinglerainfallprocessismainlytodisplacetheunconnected"oldwater"intheaquifer,andtheР rainwaterdilutionphenomenononlyaccountsforabout3.6%intheprocessofheavyrainfall; (3)TheseasonalspringisrechargedР bymultiplewaterflowsduringasinglerainfallandissensitivetorainfallresponse.ThepipelineflowandthesoilflowaccountedР for23.03%,34.22%,respectively.Thegravityflowreleasedbythematrixorkarstfissuresonlyaccountedfor10.5%,resultinginР poorcontinuouswatersupply; (4)Theflowingspringhasasinglesourceofreplenishment,whichismainlyrechargedbygravityР water (77%)dischargedfromthematrixorkarstfissuresintheprocessofsecondaryrainfall.IthasahigheffectivegroundwaterР conservationfunctionandwatersupplysustainability.Р Keywords:Р epikarstspring;conductivity;flow;rainfallresponse;sourceofsupply