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Remote Sensing of Earth, Planets, and Their Satellites Using Tidal Signals 利用潮汐信号对地球、行星及其卫星进行遥感
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700060
T. V. Gudkova, A. V. Kuvshinov
{"title":"Remote Sensing of Earth, Planets, and Their Satellites Using Tidal Signals","authors":"T. V. Gudkova,&nbsp;A. V. Kuvshinov","doi":"10.1134/S1069351326700060","DOIUrl":"10.1134/S1069351326700060","url":null,"abstract":"<p>This article provides an overview of remote sensing methods for celestial bodies based on analysis and interpretation of tidal signals. The first part of the article discusses the methodology and results of sensing using tides in a solid body of space object, which generate periodic oscillations of the surface and gravitational field level. The second part discusses the methodology and results of sensing using ocean tides, which induce periodic electromagnetic field variations.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"26 - 43"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effect of Pressure on the Curie Temperature of Magnetite: A Random Exchange Interaction Field Method 压力对磁铁矿居里温度的影响：随机交换相互作用场法
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700011
V. I. Belokon, O. I. Dyachenko, O. A. Gorodnikov, A. D. Burtsev
{"title":"The Effect of Pressure on the Curie Temperature of Magnetite: A Random Exchange Interaction Field Method","authors":"V. I. Belokon,&nbsp;O. I. Dyachenko,&nbsp;O. A. Gorodnikov,&nbsp;A. D. Burtsev","doi":"10.1134/S1069351326700011","DOIUrl":"10.1134/S1069351326700011","url":null,"abstract":"<p>The effect of pressure on the Curie temperature of magnetite is examined using the random exchange interaction field method. It is known that compression of the crystal lattice leads to increased overlap of electronic orbitals, which enhances exchange interaction and increases the Curie temperature. A parametric model of pressure dependence of the Curie temperature, which takes into account the magnetic Grüneisen parameter and isothermal compressibility, is constructed. The obtained theoretical results are in good agreement with experimental data, demonstrating linear dependence of the Curie temperature on pressure. The model can be used to analyze implications of lithostatic and shock pressure for the magnetic properties of magnetite and related minerals, which is important for the correct interpretation of paleomagnetic data.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"144 - 149"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frequency Dependence of Elastic Wave Attenuation in Rock Samples during Fracture 岩石试样破裂过程中弹性波衰减的频率依赖性
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700102
R. A. Pashchenko, V. B. Smirnov, N. M. Shikhova, A. V. Patonin, A. V. Ponomarev, S. M. Stroganova
{"title":"Frequency Dependence of Elastic Wave Attenuation in Rock Samples during Fracture","authors":"R. A. Pashchenko,&nbsp;V. B. Smirnov,&nbsp;N. M. Shikhova,&nbsp;A. V. Patonin,&nbsp;A. V. Ponomarev,&nbsp;S. M. Stroganova","doi":"10.1134/S1069351326700102","DOIUrl":"10.1134/S1069351326700102","url":null,"abstract":"<p>The frequency dependence of elastic wave attenuation during progressing rock fracturing is examined in laboratory experiments with ultrasonic monitoring of sandstone and granite samples. The attenuation is calculated from spectral ratios, which allows quantitative assessment of the attenuation dynamics during the experiments. Dedicated experiments are conducted to quantify the influence of sensor–sample coupling on the sounding signal. The effects of porosity, microfracturing, and fluid saturation on attenuation are investigated across a range of frequencies. Experimental results demonstrate that attenuation is sensitive to changes in both the stress state of the rock material during mechanical testing and changes in material properties induced by fracture development. The closure of pores and microfractures at early stages of mechanical loading reduces the attenuation, whereas intense fracture formation upon reaching a critical load causes attenuation to increase sharply, particularly at high frequencies. The applicability of power-law approximation for describing frequency dependence of attenuation in porous rocks is confirmed. The systematic variation of the approximation parameters at different stages of loading and fracture of the material highlights the potential of frequency dependence of attenuation as a diagnostic tool for monitoring processes leading to rock failure.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"150 - 161"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Monitoring of Radon Volumetric Activity within Faults in the Northeast European Russia 俄罗斯东南欧断层内氡体积活动监测
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700072
Yu. E. Ezimova, V. V. Udoratin, A. Sh. Magomedova
{"title":"Monitoring of Radon Volumetric Activity within Faults in the Northeast European Russia","authors":"Yu. E. Ezimova,&nbsp;V. V. Udoratin,&nbsp;A. Sh. Magomedova","doi":"10.1134/S1069351326700072","DOIUrl":"10.1134/S1069351326700072","url":null,"abstract":"<p>This article presents the results of radon observations conducted from 2012 to 2024 in the territory of the Timan–Pechora and Russian plates. The studies included profile and area measurements of radon volumetric activity in soil air within and near fault zones, as well as studies of the diurnal variation of radon volumetric activity. Based on analysis of a large data set, it was concluded that high concentrations of radon volumetric activity are characteristic of areas where outcrops of Riphean basement rocks are confined to fault systems. The size and shape of the anomalies are directly related to the internal structure of the fault systems. Diurnal and seasonal variations in radon volumetric activity depend on the dynamics of meteorological conditions. Soil radon level in a single area can vary by a factor of two to three.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"112 - 130"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Generation of Anomalous High Accelerations (PGA ~ 4g) in the June 14, 2008 Iwate–Miyagi Nairiku, Japan Thrust Event (Mw ~ 6.9, h ~ 8 km) 2008年6月14日日本岩手-宫城内陆逆冲事件（Mw ~ 6.9, h ~ 8 km）异常高加速度（PGA ~ 4g）的产生
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700096
O. V. Pavlenko
{"title":"Generation of Anomalous High Accelerations (PGA ~ 4g) in the June 14, 2008 Iwate–Miyagi Nairiku, Japan Thrust Event (Mw ~ 6.9, h ~ 8 km)","authors":"O. V. Pavlenko","doi":"10.1134/S1069351326700096","DOIUrl":"10.1134/S1069351326700096","url":null,"abstract":"<p>Data from the June 14, 2008 Iwate–Miyagi Nairiku thrust earthquake (<i>Mw</i> ~6.9, source depth <i>h</i> ~ 8 km) recorded by vertical seismic arrays IWTH25, IWTH26, and AKTH04 are analyzed. These near-source stations recorded anomalous peak ground accelerations exceeding 1g. The IWTH25 station, closest to the source, detected the highest ever recorded peak acceleration of ~4g in the vertical component, with a maximum vector sum over three components of ~4278 cm/s<sup>2</sup> (4.36g). To account for the characteristic features of the Iwate–Miyagi Nairiku earthquake, soil behavior models were constructed that track vertical stress and strain distributions in soil layers, varying with time during strong motion. These models capture the generation of anomalously high accelerations in the vertical (up to ~4g) and horizontal (up to ~2.5g) components in the source zone and the asymmetry of the accelerograms in the vertical components. The effects observed in the fault zones of earthquakes, including high vertical accelerations, are important factors determining strong motion parameters. They drive significant variations in shaking intensity in the vicinity of the source even under identical soil conditions and epicentral distances.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"65 - 83"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of the MLP Machine Learning Model for Operational Assessment of Mine Seismicity Parameters MLP机器学习模型在矿山地震活动性参数业务评价中的应用
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700023
A. N. Besedina, V. E. Chinkin, A. A. Ostapchuk
{"title":"Application of the MLP Machine Learning Model for Operational Assessment of Mine Seismicity Parameters","authors":"A. N. Besedina,&nbsp;V. E. Chinkin,&nbsp;A. A. Ostapchuk","doi":"10.1134/S1069351326700023","DOIUrl":"10.1134/S1069351326700023","url":null,"abstract":"<p>Permanent and temporary seismic networks designed for monitoring mine seismicity are aimed at assessing the risk of rock and rock–tectonic bursts. Operational processing of monitoring data, which includes both detection and location of seismic events, and determination of their main focal parameters (seismic energy and seismic moment), represent the most important task in assessing seismic hazard at a mine site. This article presents a neural network MLP machine learning model used to estimate the parameters of seismic events induced by massive explosions at the Korobkovskoe iron ore deposit of the Kursk Magnetic Anomaly. The temporary monitoring systems used at the mine are characterized by different sensor placement conditions in terms of microseismic noise levels. When training the model on data that takes into account different configurations of temporary monitoring networks, the model demonstrates high efficiency (<i>R</i><sup>2</sup> = 0.81–0.93) and allows for reliable determination of the focal parameters and statistical characteristics of mine seismicity.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"162 - 173"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptive Algorithm for Constructive Metrological Approximations of the Earth’s Potential Fields 地球势场构造计量近似的自适应算法
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700126
I. E. Stepanova, A. N. Levashov, A. V. Gorbachev, I. I. Kolotov
{"title":"Adaptive Algorithm for Constructive Metrological Approximations of the Earth’s Potential Fields","authors":"I. E. Stepanova,&nbsp;A. N. Levashov,&nbsp;A. V. Gorbachev,&nbsp;I. I. Kolotov","doi":"10.1134/S1069351326700126","DOIUrl":"10.1134/S1069351326700126","url":null,"abstract":"<p>An algorithm is proposed for constructing metrological approximations of potential fields of the Earth and planets using local and regional versions of the modified <i>S</i>-approximation method. Depending on the available a priori information about the fields and their sources, the main parameters of the method are selected in automatic and semiautomatic modes. Equivalent source distributions are found with respect to the external field, resulting in images of orebodies “from different angles,” making it possible to estimate the depth of mass carriers or magnetic moments. The results of a mathematical experiment on locating prismatic bodies based on gravity field values at points within a certain observation network are presented.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"174 - 186"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Burgers Model for Describing the Viscoelastic Behavior of Argillite-Bearing Rocks 描述含泥质岩石粘弹性行为的Burgers模型
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S1069351326700138
A. I. Fedorov, E. S. Batyrshin, A. R. Salikhov
{"title":"Burgers Model for Describing the Viscoelastic Behavior of Argillite-Bearing Rocks","authors":"A. I. Fedorov,&nbsp;E. S. Batyrshin,&nbsp;A. R. Salikhov","doi":"10.1134/S1069351326700138","DOIUrl":"10.1134/S1069351326700138","url":null,"abstract":"<p>Many rocks exhibit viscoelastic behavior to varying degrees. In practice, viscoelasticity can lead to various effects. Among the most significant are the effects of narrowing of wells during drilling at the stages before the casing is lowered and cemented in. Rocks such as clays or argillites, often found in oil or gas field caprocks, are viscoelastic, as has been shown in many experimental studies. This article provides an example of such an experiment. To describe the effect of changing well geometry over time, the Burgers model was chosen, which is a combination of the Maxwell and Kelvin models. Using the operator method, solutions were obtained for the stress–strain state of the near-well zone under the assumption of the absence of volume viscoelasticity. It is shown that the solution makes it possible to estimate the shape and time of safe deformation of the well when setting the maximum permissible minimum radius of the well.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"131 - 143"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Velocities of Wave Structures in the Earth’s Outer Core 关于地球外核波结构的速度
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-05-26 DOI: 10.1134/S106935132670014X
S. L. Shalimov
{"title":"On the Velocities of Wave Structures in the Earth’s Outer Core","authors":"S. L. Shalimov","doi":"10.1134/S106935132670014X","DOIUrl":"10.1134/S106935132670014X","url":null,"abstract":"<p>Assuming the existence of a thin layer enriched with light admixture within the iron melt at the core-mantle boundary, and considering the latitudinal gradient of the geomagnetic field and angular velocity of the Earth’s rotation, a system of nonlinear equations is derived to describe the large-scale wave structures propagating in this layer. In the linear approximation, a dispersion relation for the wave structures is obtained, and the frequencies and velocities of these structures are calculated.</p>","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"44 - 47"},"PeriodicalIF":1.0,"publicationDate":"2026-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum to: Slow Strain Waves in Geophysics 地球物理学中的慢应变波勘误
IF 1 4区 地球科学
Izvestiya, Physics of the Solid Earth Pub Date : 2026-02-27 DOI: 10.1134/S1069351326010015
V. G. Bykov, Yu. O. Kuzmin
{"title":"Erratum to: Slow Strain Waves in Geophysics","authors":"V. G. Bykov,&nbsp;Yu. O. Kuzmin","doi":"10.1134/S1069351326010015","DOIUrl":"10.1134/S1069351326010015","url":null,"abstract":"","PeriodicalId":602,"journal":{"name":"Izvestiya, Physics of the Solid Earth","volume":"62 1","pages":"187 - 187"},"PeriodicalIF":1.0,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1069351326010015.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148011868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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