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首页> 外文会议>2011 International Symposium on Water Resource and Environmental Protection >Groundwater circulation patterns in the northern Cretaceous Basin, China
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Groundwater circulation patterns in the northern Cretaceous Basin, China

机译：中国白垩纪盆地北部的地下水循环模式

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Information of groundwater level, isotope and hydrogeochemistry from different depth were taken by the Packer system. Through a detailed study of a typical profile in the northern basin, groundwater circulation can be divided into three patterns. Shallow circulation pattern: This pattern is characterized by fast circulation, high renewal capacity, short circulation path, and good water quality. Circulation depth is generally 150 ∼ 200m, Groundwater age is between 20 ∼ 50 years. Middle circulation pattern: Compared with the shallow circulation pattern, middle circulation system is involved with more extent and deeper with the maximum circulation depth of up to 550m.The groundwater age is less than 5000 years; Deep circulation pattern: In this system, the groundwater is most extent and deepest, long circulation path, and piston movement, weak circulation. The groundwater flowing rate is extremely low and circulation depth varies between 800∼1000 years. Groundwater age is more than 5000 years, and this pattern has weakly renewal capacity.
机译：Packer系统获取了不同深度的地下水位，同位素和水文地球化学信息。通过对北部盆地典型剖面的详细研究，可以将地下水循环分为三种模式。浅循环模式：这种模式的特点是循环速度快，更新能力高，循环路径短，水质好。环流深度一般为150〜200m，地下水年龄在20〜50年之间。中循环模式：与浅循环模式相比，中循环系统涉及范围更大，深度更深，最大循环深度可达550m。地下水年龄小于5000年。深循环模式：在这个系统中，地下水是最大程度和最深的，循环路径长，并且活塞运动，循环较弱。地下水流速极低，循环深度在800-1000年之间变化。地下水年龄超过5000年，这种模式的更新能力较弱。

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