The Induced Polarization Method Is Commonly Used Devices Powered Electrode At Different Positions On The Observational Data

Induced polarization method (IP) is based on rock, ore, metal induced polarization effects to find and solve hydro-geological, engineering geological issues, such as a group of electrical prospecting methods. It consists of time domain method and frequency-domain method. Since 1950s, induced polarization method has been rapidly developed in our Country. At present, the IP method has been applied in various areas. Central gradient array and dipole-dipole array are the common configurations of IP method and they have their own advantage and shortcoming. Since the deployment of the source field, the exploration results of IP method also are affected by their electrodes.With the development of computer technology, numerical simulation has become the main means of geophysical simulation, and the experimental simulation has been less used. However, the results of experimental simulation fit the actual situation much better than numerical simulation, and experimental simulation is more meaningful in practice. Therefore, it is necessary to combine them into the simulation.By comparison, the results and conclusions are as following:1,By comparison, we can find that the numerical simulation has a good performance in simulating the induced polarization effect of models, in most cases, but for some situations, compared with the experimental simulation, there are some differences exist.2,The applicable abilities of central gradient array and dipole-dipole array are different, for the connatural model, the results sometimes are different too. Furthermore, electrodes of them can cause some effects on the exploration data and bring difficulty in analysis and interpretation.3,A Systematic study of the characteristics of induced polarization in difference cases has been done. The result of the study provides suggestions on the theoretical research and fieldwork, based on Induced polarization method.4,This paper points out some deficiencies and proposes some suggestions for future research of Present IP method.