<論文>カーブマッチング法による水平成層比抵抗構造解析の自動化

概要

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The curve matching method has traditionally used for analysis of the resistivity method, which is so-called electric sounding, under layered strata. In the curve matching method, at first we plot observed values of apparent resistivity on a logarithmic coordinate tracing paper. Then we analyze the subsurface resistivity structure with comparing the observed curve with the theoretical one for two-layered strata. Although the linear filter method, which can calculate the theoretical curve easily and accurately, is more popular in late years, the curve matching method has an advantage of visualizing the analysis process. In this manuscript, an automatic analysis of the curve matching method for Wenner electrode configuration is introduced. In the program code, Marquardt method, one of the non-linear least square methods, is used to fit the theoretical curve with the observed one. The examples of applying the automatic analysis to practical data and its availability are shown as well as the flow chart of the method.
秋田大学の論文
2002-10-31