Report On The Geodetic Activities In The Years 1991 To 1995

Author : K. Mallick
Publisher : Springer Science & Business Media
ISBN 13 : 9400704062
Total Pages : 301 pages
Book Rating : 4.4/5 (7 download)

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Download or read book Bouguer Gravity Regional and Residual Separation written by K. Mallick and published by Springer Science & Business Media. This book was released on 2012-03-05 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The process of regional-residual separation in potential field is age-old. Broadly, there are two techniques for regional-residual resolution, viz., graphical and analytical. Both the techniques have their own respective shortcomings. In this book, the authors have described the technique based on finite element method in which only eight (or twelve) nodal observed gravity values are used for the regional computation, thereby eliminating the possible contamination of anomalous fields and also the technique does not assume an explicit model and physical properties like density of rocks etc. in the regional computation. The book discusses the advantages of this technique viz., it is not site-specific; the computation is independent of any prior assumptions as to the form and depth of shallow or deeper structures; it can handle data distributed at random or on a regular grid on the map space; and the neighbouring surveys join smoothly. The book focuses on application of this new technique which has been demonstrated in different fields, such as hydrocarbon, minerals and groundwater, structural studies, earthquake and engineering studies and impact structures.