Problems of Geocosmos--2020: proceedings of the XIII International Conference and School

Intro -- Preface -- Contents -- Exploration and Environmental Geophysics -- Segmentation of the Earth's Crust of the Tien Shan by Geophysical Data -- 1 Introduction -- 2 Results -- 3 Conclusions -- References -- Experiment FENICS-2019: Exploration of Electrical Conductivity of the Eastern Fennoscandinavian Shield with Grounded Sections of Power Transmission Lines (In Memory of Abdulkhay Azimovich Zhamaletdinov) -- 1 Introduction -- 2 Layout and Main Goals of Experiment FENICS-2019 -- 3 The Array for Measurements -- 4 Results and Interpretation -- 4.1 Data Treatment -- References -- Specifics of the Earth's Crust Structure in the Potential Gas Hydrate Accumulation Zones of the Arctic Basin -- 1 Introduction -- 2 The Specifics of the Lithosphere Structure of Potential Gas Hydrate Zones in the Arctic Basin -- 3 Conclusions -- References -- Deep Factors of Ice Destruction of the Arctic Ocean -- 1 Introduction -- 2 The Deep Factor of the Arctic Ice Cover Destruction -- 3 Conclusions -- References -- Verification of the Arctic Magnetic Field Component Model Based on Observations on the CHAMP and Swarm Satellites -- 1 Introduction -- 2 Verification of the Component Model Based on the Data of the CHAMP and Swarm Spacecraft Measurements -- 3 Deep Structure of Magnetoactive Zones of the Arctic -- 4 The Deep Structure of the Central Magnetic Zone of the Arctic Ocean -- 5 The Deep Structure of the Lena Lithospheric Root -- 6 Visualization of Thermofluid Channels and Lenses of the Fluid System -- 7 Conclusions -- References -- Interpretation of Component Geomagnetic Field Measurements Carried Out on Board a Ferromagnetic Vessel from the Round-the-World Expedition of the R/V "Admiral Vladimirsky" in 2019-2020 -- 1 Introduction -- 2 Magnetometric Laboratory and Verification of the Agreement of Measurements with the Data of the Schooner "Zarya".

2.1 Gulf of Finland -- 2.2 Bay of Biscay -- 3 Onboard Magnetic Measurements and Hodograph Application for Horizontal Component Estimates -- 4 Determination of SMP by the Value of the Horizontal Component -- 5 Conclusions -- References -- Integration of Geophysical Methods for Solving Inverse Problems of Exploration Geophysics Using Artificial Neural Networks -- 1 Introduction -- 2 Physical Statement of the Problem -- 2.1 Parameterization Scheme -- 2.2 Data -- 3 Methodical Statement of the Problem -- 3.1 Datasets -- 3.2 Reducing the Input Dimension -- 3.3 Reducing the Output Dimension -- 3.4 Multitask Learning -- 3.5 Use of Neural Networks -- 4 Results -- 4.1 Autonomous Determination -- 4.2 Multitask Learning -- 5 Conclusions -- References -- A Versatile Software for Statistical Data Analysis and Spatial Correlation -- 1 Introduction -- 2 Architecture -- 3 Operating the Service -- 3.1 Uploading and Preparing Data -- 3.2 Coordinate System Conversion -- 3.3 Visualization -- 3.4 Brief Statistical Overview -- 3.5 Interpolation Methods -- 3.6 Interpolation Map -- 3.7 Correlation -- 4 Conclusions -- References -- Paleo-, Earth-, Rock-, Environmental Magnetism, and Geophysical Fluid Dynamics -- Magnetostratigraphic Constraints on the Position of the Tremadocian-Floian Boundary at the Key Section of the Moyero River Valley (Siberian Platform) -- 1 Introduction -- 2 Geology -- 3 Paleomagnetism and Magnetostratigraphy -- 4 Discussion and Conclusion -- References -- Upper Cretaceous Paleomagnetism and Magnetostratigraphy of the Pur-Taz Interfluve (Northern West Siberia) -- 1 Introduction -- 2 Materials and Methods -- 3 Results -- 4 Conclusions -- References -- The First Paleomagnetic Data on the Ust-Obor Section (Western Transbaikalia, Buryatia) -- 1 Introduction -- 2 Geology and Sampling -- 3 Methods -- 4 Results -- 4.1 Lithostratigraphy of the Section.

4.2 Scalar Rock Magnetic Parameters (κ, NRM, Qn) -- 4.3 Magnetic Hysteresis Parameters -- 4.4 Magnetic Anisotropy -- 4.5 Magnetic Mineralogy -- 4.6 Magnetic Polarity Stratigraphy -- 5 Discussion -- 5.1 Total Remagnetization of Eopleistocene Strata by Normal Field (Age of Magnetization Is Younger Than Fauna Age) -- 5.2 Redeposition of Ust-Oborian Fauna in Neopleistocene Strata (Age of Strata Is Younger Than Fauna Age) -- 6 Conclusions -- References -- Preliminary Rock Magnetic and Paleomagnetic Data from a 14.5 m Core of Lake Kotokel Sediments (Baikal Region) -- 1 Introduction -- 2 Geology and Sampling -- 3 Methods -- 4 Results -- 5 Discussion -- 6 Conclusions -- References -- Determination of the Position of the South Magnetic Pole Based on Experimental Data Obtained During Russian Round-the-World Expeditions: 1820 (F. Bellingshausen) and 2020 (R/V "Admiral Vladimirsky") -- 1 Introduction -- 2 The Results of Measuring the Declination D During the Bellingshausen Expedition -- 3 Determination of the SMP Position According to Bellingshausen Data by the Method of Two Great Circles -- 4 Determination of SMP Position from Declination Data by Algebraic Methods -- 4.1 Equivalent Dipole Method -- 4.2 Field Approximation by a Finite Sum of Spherical Harmonics -- 4.3 Interpolation Approach -- 5 Determination of the SMP Based on the Data of Scalar and Component Measurements Made by the R/V "Admiral Vladimirsky" in the D'Urville Sea Area in 2020 -- 5.1 Estimate of the SMP Position by Scalar Data -- 5.2 Determining the SMP Position from Component Data -- 6 Conclusions -- References -- Evolution and Statistics of the Geomagnetic Energy and Its Characteristic Timescales Since 1840 -- 1 Introduction -- 2 Energy Evolution and Discrete Timescales -- 3 Statistics of the Characteristic Timescales -- 4 Physical Interpretation of Timescales Statistics.

5 Concluding Remarks -- References -- Heat Transfer Analysis of Tangentially Rotating Fluid Flow Past a Semi-infinite Vertical Cylinder Kept in Uniform Horizontal Magnetic Field Using Non-linear Regression and Back-Propagation Neural Network -- 1 Introduction -- 2 Problem Description and Governing Equations -- 3 Numerical Method -- 4 Results -- 4.1 Field Variables -- 4.2 Momentum and Heat Transfer Coefficients -- 4.3 Response Surface Method (RSM) -- 4.4 Application of Artificial Neural Networks (ANN) -- 4.5 Kappa Coefficient () -- 5 Discussion and Conclusions -- Appendix -- References -- Numerical Flow Analysis in Γ Shaped Enclosure: Energy Streamlines and Field Synergy -- 1 Introduction -- 2 Mathematical Formulation -- 2.1 Problem Description -- 2.2 Governing Equations -- 3 Numerical Methodology -- 4 Results -- 4.1 Streamlines -- 4.2 Isotherms -- 4.3 Energy Streamlines -- 4.4 Field Synergy Principle (FSP) -- 5 Discussion and Conclusions -- References -- Seismology -- The Lake Baikal Unified Scaling Law for Earthquake Regional Coefficients -- 1 Introduction -- 2 Method -- 3 Data -- 3.1 Regional Catalog -- 3.2 Declustering Catalog -- 4 Conclusion -- References -- Clustering as One of Scenario of Development of Instability: An Earthquake Case -- 1 Introduction -- 2 Typical Scenario of Instability Development Based on Seismological Data -- 3 Regional Analysis of the Generalized Vicinity of a Large Earthquake -- 4 Discussion -- 5 Conclusions -- References -- Possible Relationship of Some Weak Earthquakes in Turkey with Industrial Explosions -- 1 Subject of the Study -- 2 Data Features -- 3 Daily and Weekly Periodicities -- 4 Spatial Data Analysis -- 5 Time-Distance Relations -- 6 Strange Clusters -- 7 Conclusions -- References -- Horizontal Velocity Inhomogeneities of the Mantle Under Central Asia from Rayleigh Wave Phase Velocities -- 1 Introduction.

2 Data and Methods -- 3 Results -- 4 Conclusions -- References -- Various Scale PS ECWM-CDP Seismic Prospecting for Crustal Structure Studies -- 1 Introduction -- 2 Results and Discussion -- 3 Conclusions -- References -- Evaluation of Hypocenters Distribution Based on the Geoelectric Models in the Tien Shan Earthquake-Prone Areas -- 1 Introduction -- 2 Methods and Modeling Results -- 3 Results -- 4 Conclusions -- References -- Application of Adaptive Filtering Techniques for Filtering Induced Seismic Noise -- 1 Introduction -- 2 Methods to Mitigate Noise in Seismic Records -- 3 Adaptive Filtration -- 4 Conclusion -- References -- On the Question of the Rotational Seismometry Metrology -- 1 Introduction -- 2 Metrology of Translational Seismometry -- 3 Metrology of Rotational Seismometry -- 4 The Rotational Teleseismic -- 5 Strong Motion Rotational Seismometry -- 6 Conclusion -- References -- Variations of Ambient Temperature and Following Them Instrumental Noise of Seismic Instruments -- 1 Introduction -- 2 Methods -- 3 Conclusion -- References -- Solar-Terrestrial Physics -- Dose Rate Bursts Onboard the ISS and the "Lomonosov" Satellite in the Earth's Outer Radiation Belt -- 1 Introduction -- 2 Instruments -- 3 Data Processing Methodology -- 4 General Patterns of Enhancements -- 5 Conclusion -- References -- Kamchatka Meteoroid Effects in the Lithosphere-Atmosphere-Ionosphere-Magnetosphere System -- 1 Introduction -- 2 Governing Equations -- 3 Basic Physical Processes in the Geospheres -- 3.1 Meteoroid Fragmentation -- 3.2 Optical Effect -- 3.3 Ballistic Shock Wave -- 3.4 Explosive Shock Wave -- 3.5 Thermal Effect -- 3.6 Meteoroid Plume Ascent -- 3.7 Aerosol Descent -- 3.8 Turbulence Effect -- 3.9 Plasma Effects -- 3.10 Magnetic Effect -- 3.11 Electric Effect -- 3.12 Generation of Ion-Acoustic and Magnetosonic Waves by Infrasound.