Based on Euclidean distance, applied in water detection by electrical sounding, The gradient K method can estimate the location of the well and its flowing yield with measured data, and can obtain satisfactory geologic results.

• 摘要梯度K法以欧氏距离公式为基础，应用于电测深找水，它能够利用实测数据较准确地确定最佳井位和估计涌水量，并获得较佳的地质效果。