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在不同的地区:瑞典(Larsson,1972)、意大利的撒丁岛(Barroccu和Larsson,1977)、印度的新纳塔达木、纳都塔米尔(Baweja和Baju,正在印刷中)对深部坚硬岩体巾张开断裂带的地下水作过研究。在基岩面以下深70～90米处测得的断裂带宽度达两三米之多,在这些地段通过抽水试验测得水的开采量为10～22升/秒(36～70立方米/小时)。断裂带的分布,在地形上往往是以冰积、冲积、或者坡积物堆填的谷地(具体属何种堆积物质,取决于谷地所处的位置),基岩上面的复盖层构成了一种主要的含水层,而岩石中的断裂则起着一种汇集复盖层中地下水排泄的作用。排泄面积愈大,在排泄断裂下面所聚积的水就愈多。如果将这些断裂封闭起来,就能够在封闭处的上游的复盖层中形成地下水的贮藏地段。
In different regions: Sweden (Larsson, 1972), Italy, Sardinia (Barroccu and Larsson, 1977), India’s Natalwood, Natal Tamil (Baweja and Baju, under printing) Body towel open fracture of the groundwater for research. The width of the fault zone measured at depths 70 to 90 meters below the bedrock surface is as much as two or three meters wide. Water production in these areas measured by pumping tests was 10-22 liters / second (36-70 cubic meters / hour). The distribution of the fault zone is often characterized by the topography of valleys filled with alluvial, alluvial or rammed deposits (depending on where the valleys are located) and the overburden on the bedrock A major aquifer, and fractures in the rock act as a collection of groundwater in the overburden. The larger the excretory area, the more water is accumulated under the excretory break. If these fractures are closed, it is possible to create a storage area for groundwater in the overburden upstream of the enclosure.