Application of a Combined Approach Based on Analytical Approximations and Construction of Gravity Field Integral Curves for the Interpretation of Marine and Airborne Gravimetric Data

IF 0.3 Q4 GEOCHEMISTRY & GEOPHYSICS
I. E. Stepanova, A. V. Shchepetilov, A. M. Salnikov, P. S. Mikhailov, V. V. Pogorelov, A. V. Batov, V. A. Timofeeva
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引用次数: 1

Abstract

The development of a structural-parametric approach to constructing analytical approximations is considered. Within the framework of the new method, which includes modified S-approximations and determination of the integral curves of the vector field, a method is proposed for finding the analytic continuation of the field in the case of profile (route) geophysical measurements. The results of a mathematical experiment using real data on an anomalous gravitational field from data of marine areal gravimetric and airborne gravimetric route surveys are presented. It is shown that the proposed analysis algorithm is promising for finding analytic continuations of geopotential fields within a certain neighborhood of the measurement profile when a sufficient volume of areal data is lacking.

基于解析近似和重力场积分曲线构造的组合方法在海洋和航空重力数据解释中的应用
考虑了构造解析近似的结构-参数方法的发展。在新方法的框架内,包括改进的s逼近和矢量场积分曲线的确定,提出了在剖面(路线)地球物理测量的情况下寻找场的解析延拓的方法。本文介绍了利用海洋区域重力测量和航空重力航路测量的实际数据对异常重力场进行数学实验的结果。结果表明,当缺乏足够的面数据量时,所提出的分析算法有希望在测量剖面的一定邻域内找到位势场的解析延拓。
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来源期刊
Seismic Instruments
Seismic Instruments GEOCHEMISTRY & GEOPHYSICS-
自引率
44.40%
发文量
45
期刊介绍: Seismic Instruments is a journal devoted to the description of geophysical instruments used in seismic research. In addition to covering the actual instruments for registering seismic waves, substantial room is devoted to solving instrumental-methodological problems of geophysical monitoring, applying various methods that are used to search for earthquake precursors, to studying earthquake nucleation processes and to monitoring natural and technogenous processes. The description of the construction, working elements, and technical characteristics of the instruments, as well as some results of implementation of the instruments and interpretation of the results are given. Attention is paid to seismic monitoring data and earthquake catalog quality Analysis.
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