The main water source is fracture-karst water in Middle Ordovician carbonate rocks.
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2. 喀斯特水动力剖面模式反映各类水文地质结构中喀斯特水的埋藏、迳流条件和水动力特点。
The hydrodynamical section of karst reflects the conditions of karst water bury and runoff in var-ious hydrogeological structures as well as hydrodynamical characteristics.
Along the canal, pore water and fissure-karst water have a recharge-discharge re lation, while in south of the canal, canal water and fissure-karst water have no direct water power relation.
Along the canal, pore water and fissure-karst water have a recharge-discharge re lation, while in south of the canal, canal water and fissure-karst water have no direct water power relation.
