Computer Analysis of Total Electron Content in the Earth’s Ionosphere in Problems of Searching for and Detection of Earthquake Precursors: Current Problems and Challenges

The article reviews methods for the computer analysis and detection of so-called ionospheric earthquake precursors. It is shown that the applied techniques lead to quantitatively incomparable results due to the differences in determination of a reference undisturbed variation and in quantitative cri...

Full description

Saved in:
Bibliographic Details
Published in:Russian journal of physical chemistry. B 2019-07, Vol.13 (4), p.681-684
Main Authors: Zolotov, O. V., Knyazeva, M. A., Romanovskaya, Yu. V.
Format: Article
Language:English
Subjects:
Anomalies
Chemical Physics of Atmospheric Phenomena
Chemistry
Chemistry and Materials Science
Disturbances
Earthquake prediction
Earthquakes
Electrons
Ionosphere
Physical Chemistry
Precursors
Total Electron Content
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The article reviews methods for the computer analysis and detection of so-called ionospheric earthquake precursors. It is shown that the applied techniques lead to quantitatively incomparable results due to the differences in determination of a reference undisturbed variation and in quantitative criteria of considering disturbances anomalous. As the existing techniques do not take into account the known sample standard deviation (provided by NASA along with the global ionospheric maps of total electron content for the Earth’s ionosphere), the amplitude of revealed anomalies cannot be compared to the level of natural variability of the ionosphere. To eliminate this shortcoming, we propose a few metrics to determine numerical criteria that enable to classify as anomalous the total electron content disturbances observed before strong earthquakes.
ISSN:1990-7931
1990-7923
DOI:10.1134/S1990793119040146