Satellite Registration of Anomalies of Various Geophysical Fields during the Preparation of Destructive Earthquakes in Turkey in February 2023

IF 0.9 4区地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES Izvestiya Atmospheric and Oceanic Physics Pub Date : 2024-01-31 DOI:10.1134/s0001433823090049

V. G. Bondur, M. N. Tsidilina, E. V. Gaponova, O. S. Voronova, M. V. Gaponova, N. V. Feoktistova, A. L. Zima

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Abstract

Studies of variations in the parameters of various geophysical fields during the preparation of destructive earthquakes that occurred in Turkey in February 2023 with magnitudes of 6 ≤ M ≤ 7.8 are carried out using satellite data. It has been found that anomalies of these parameters manifested themselves from 34 to 25 days before the earthquakes as a sharp decrease in the values of relative humidity (RHS) and outgoing longwave radiation (OLR), as well as in an increase in the density of local lineaments. An increase in the surface skin temperature (SST), surface air temperature (SAT), RHS, and OLR, as well as in the values of the aerosol optical depth (AOD) and ionospheric total electron content (TEC), was revealed 19–9 days before the analyzed seismic events. In the period from 5 to 2 days before these earthquakes, a decrease in the SST, SAT, the flux of OLR, and the ionospheric TEC, as well as an increase in RHS and in the length of the secants of the rose diagrams of regional lineaments, were recorded. Quantitative characteristics of these anomalies are determined.

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卫星记录 2023 年 2 月土耳其破坏性地震准备期间各种地球物理场的异常情况

摘要利用卫星数据对 2023 年 2 月在土耳其发生的震级为 6 ≤ M ≤ 7.8 的破坏性地震准备期间各地球物理场参数的变化进行了研究。研究发现，这些参数的异常在地震发生前 34 至 25 天表现为相对湿度（RHS）和外向长波辐射（OLR）值的急剧下降，以及局部线状体密度的增加。在分析的地震事件发生前 19-9 天，地表表皮温度（SST）、地表气温（SAT）、相对湿度（RHS）和外向长波辐射（OLR）以及气溶胶光学深度（AOD）和电离层电子总含量（TEC）的值都有所增加。在这些地震发生前 5 天至 2 天期间，记录到 SST、SAT、OLR 通量和电离层 TEC 下降，RHS 和区域线状玫瑰图的正割长度增加。确定了这些异常现象的定量特征。

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来源期刊

Izvestiya Atmospheric and Oceanic Physics 地学-海洋学

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Izvestiya, Atmospheric and Oceanic Physics is a journal that publishes original scientific research and review articles on vital issues in the physics of the Earth’s atmosphere and hydrosphere and climate theory. The journal presents results of recent studies of physical processes in the atmosphere and ocean that control climate, weather, and their changes. These studies have possible practical applications. The journal also gives room to the discussion of results obtained in theoretical and experimental studies in various fields of oceanic and atmospheric physics, such as the dynamics of gas and water media, interaction of the atmosphere with the ocean and land surfaces, turbulence theory, heat balance and radiation processes, remote sensing and optics of both media, natural and man-induced climate changes, and the state of the atmosphere and ocean. The journal publishes papers on research techniques used in both media, current scientific information on domestic and foreign events in the physics of the atmosphere and ocean.