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A NUMERICAL METHOD TO COMPUTE THE RESISTIVITY TRANSFORM FROM WENNER SOUNDING DATA *
Author(s) -
KUMAR RAKESH,
CHOWDARY M. V. RAMANAIAH
Publication year - 1982
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1982.tb01346.x
Subject(s) - depth sounding , vertical electrical sounding , electrical resistivity and conductivity , field (mathematics) , geology , function (biology) , data processing , kernel (algebra) , decomposition , mineralogy , algorithm , geophysics , mathematics , computer science , geotechnical engineering , engineering , oceanography , combinatorics , evolutionary biology , aquifer , pure mathematics , groundwater , biology , operating system , ecology , electrical engineering
A bstract A numerical technique to compute the resistivity transform directly from the observed Wenner sounding data has been developed. In principle, the procedure is based on a decomposition method and consists of two steps: the first step determines a function that approximates the apparent resistivity data and the second step transforms this function into the corresponding kernel by an analytical operation. The proposed method is tested on some theoretical master curves. A high degree of precision is achieved with very little computer time. The applicability is shown on two field examples.