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郏县是一个典型的农业县,地下水资源分布极不均衡,根据地形分为低山区、岗丘区和平原区。平原区为北汝河两岸河谷平原,地下水较为丰富,岗丘区和低山区地下水比较贫乏。广阔渠是贯穿岗丘区的一条灌渠,水源地为北汝河,引水流量为6m~3/s,在满足灌溉的情况下,利用工程措施把富裕水量回补地下水,达到岗丘区水量供需平衡,从而保证郏县地下水资源的可持续利用。
Yixian County is a typical agricultural county. The distribution of groundwater resources is extremely uneven. According to the terrain, it is divided into low mountainous areas, hillock areas and plain areas. Plains area north of the river Ru River plains, groundwater is more abundant, hilly areas and low mountainous area is relatively poor groundwater. The wide channel is a cannel that runs through Gangqiu District. The water source is the North Ru River, and the diversion water flow is 6m ~ 3 / s. Under the condition of satisfying the irrigation, the engineering measures are used to replenish the groundwater with the abundant water so as to balance the supply and demand of water in the hill and hill area , So as to ensure the sustainable utilization of groundwater resources in Pixian County.