Prospecting for ground water by induced electrical polarization
Prospecting for ground water by induced electrical polarization
复制标题
通过感应电极化勘探地下水
DOI：
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发表时间：
1956
期刊：
影响因子：
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通讯作者：
M. Lavergne
中科院分区：
文献类型：
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作者：
V. Vacquier;C. R. Holmes;P. R. Kintzinger;M. Lavergne
当两点进入地面的直流电中断时，另一对电极之间会出现一个小电压，可能需要几分钟的时间才能衰减。这种被C.斯伦贝谢称为“激发极化”的效应，被发现在寻找地下水方面很有用。实验室实验表明，激发极化(I.P.)依赖于污染含水层的粘土矿物中的阳离子交换。据推测，这种影响是由于含水层内粘土的电渗析，它起到了分布的电负性膜的作用。IP值的大小取决于粘土的种类和水中的阳离子种类。它与水的电导率成反比，与水中溶解的负离子种类无关。IPP衰减的速度似乎只取决于含水层的颗粒大小。现场试验和实验室模型上的实验表明，这种方法有望在350英尺深的地方得到有用的应用。
When direct current introduced into the ground at two points is interrupted, a small voltage, which may take several minutes to decay, appears between another pair of electrodes. This effect, called by C. Schlumberger “provoked polarization,” is found useful in prospecting for ground water. Laboratory experiments indicate that induced polarization (I.P.) depends on cation exchange in the clay minerals contaminating the aquifers. It is suggested that the effect is due to electrodialysis of the clay within the aquifer, which acts as a distributed electronegative membrane. The magnitude of the I.P. depends on the kind of clay and the kind of positive ions in the water. It is inversely proportional to the conductivity of the water and independent of the kind of negative ion dissolved therein. The rapidity with which the I.P. decays appears to depend only on the grain size of the aquifer. Field trials and experiments on laboratory models give promise of useful application of the method to depths of about 350 feet.