InverseLite Perform resistivity sounding inversion, interpretation, analysis and presentation.
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InverseLite Description

Technical Overview InverseLite is a Resistvity sounding interpretation program. A commonly used tool by Geologists, Geophysicists, Water and Civil Engineers. Given any set of sounding data (i.e Electrode Spacing and Apparent Resistivity values) it finds a likely earth layer model. It can also generate apparent resistivity values for any given earth model. Using the Levenberg Marquandt non-linear Least Square method, the program finds a layer parameters that fit the field sounding data. Uses The program can be used to interpret Schlumberger and Wenner Resistivity Sounding data including noisy datasets. It can also be used to generate apparent resistivity values for any given layers. The program can be used for interpreting sounding data collected from any terrain, for any purpose including location of borehole drilling points, foundation engineering studies and mineral exploration etc. Advantage The program would increase the ability of the geophysicist to analyze and interpret data quickly and more effectively. The commonly applied methods of interpretation by curve matching and other ad hoc methods are subject and error prone and there is really no means of checking the correctness of the interpretation. With InverseLite however, every interpretation is statistically correlated against the original field data, percentage differences are also calculated. Features Fast Inversion of Schlumberger Resistivity Sounding data Requires no initial guess or starting model Detail Error check back of Inversion model Forward Generation of Apparent Resistivity Data for any given model Supports Windows resources and media Graphical display of Field and inverted data Automatic Inversion Calculates the model parameters directly from a given apparent resistivity sounding Data. Most programs require an initial model to start the inversion process, but InverseLite calculates a mathematically optimum solution directly from the field data. This can later be edited as a guide to the iteration process in the direction of a known geologic model. There is also a manual mode in which inversion is based mainly on the user specified initial model. Forward Model The Forward modeling calculates Apparent resistivity curves and values for any given earth model. This can be used to cross check interpretations, and for curve matching purposes on the field

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