A method for representing a geomagnetic total force field in a small region with special attention to discontinuities of dataReport as inadecuate




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Earth, Planets and Space

, Volume 58, Issue 11, pp 1519–1523

First Online: 25 December 2006Received: 06 January 2006Revised: 12 July 2006Accepted: 13 July 2006

Abstract

In order to represent the total force field variation in a narrow region as precisely as possible, the calculation process of NOC, which is frequently used in geomagnetic field modeling, was improved. An iterative procedure was introduced to avoid the effect of data missing in some time series. The presented procedures are applied to monthly averaged data of the geomagnetic total force field during 1980–1997 in Japan. Some local changes are detected using this model. One of them may be related to an earthquake that took place near the site.

Key wordsGeomagnetic field model NOC tectonomagnetic phenomena missing value  Download to read the full article text



Author: Ken’ichi Yamazaki - Naoto Oshiman

Source: https://link.springer.com/



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