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IJSTR >> Volume 3- Issue 6, June 2014 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Testing Cumulative Semivariogram Modelling Technique on Bouguer Anomaly

[Full Text]

 

AUTHOR(S)

Rishabh Gupta, Utkarsh Rastogi

 

KEYWORDS

Index Terms: Bouguer Anomaly, Cumulative Semivariogram, Kriging, Semivariogram and spatial correlation

 

ABSTRACT

Abstract: In principle, spatial correlation is depicted using Semivariogram technique. Cumulative Semivariogramtechnique is the alternative for conventional Semivariogram technique, has various advantages but not widely used in gravity modelling. Our objective is to test the Cumulative Semivariogram technique in gravity modelling by estimating Bouguer Anomaly in Krishna Godavari (KG) basin area by fitting the experimental Cumulative Semivariogram against the theoretical Cumulative Semivariogram and fitting the experimental Semivariogram against theoretical Semivariogram. Hence, calculate the value obtained at the random point using appropriate kriging technique after Cumulative Semivariogram model fitting and Semivariogram model fitting. Finally calculate the percentage variation between the predicted values obtained from both the techniques with the observed Bouguer Anomaly. Percentage variation will give an insight whether Cumulative Semivariogram technique is the better alternative than Semivariogram technique for geostatistical modelling or not.

 

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