Abstract
The study of corrections for the influence of terrain is a very popular and significant procedure in the production of high-precision gravimetric work. The results of such studies allow us to determine the optimal parameters for calculating terrain corrections, which helps to reduce the error in calculating the anomaly of the force of gravity in the Buge reduction and, accordingly, leads to an increase in the quality of the interpreted material. Therefore, the improvement of the methodology for calculating corrections for terrain is of particular interest for gravity exploration today and is a very relevant direction in high-precision surveying. Thus, in this article, the purpose of the study is to determine the optimal parameters for calculating terrain corrections for during high-precision gravimetric surveying. The degree of elaboration of the study indicates a number of unresolved issues, which are to some extent disclosed by the authors as a result of calculations and analysis of digital grids, graphs and other data involved in calculating terraincorrections. The article discusses the actual materials and methods for determining corrections for the influence of terrain, obtained during the production of high-precision field gravimetric work on one of the objects of the Trans-baikal Territory. In the course of the study, the results of determining the terraincorrections are presented, comparisons of the corrections in different zones are made, their quantitative indicators are analyzed, and statistics are provided. With the help of mathematical modeling, matrices (grids) of calculated parameters are constructed. The results of the study are clearly demonstrated in the diagrams and in the final tables, which indicates the reliability of the study performed. On the basis of the conducted research, conclusions are drawn and recommendations are made for the method of calculating corrections for the influence of terrain
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