Browse research papers in Geophysics - Earth and Planetary Sciences Discover 8 academic papers with AI-powered analysis

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Earth and Planetary Sciences

Geophysics

The physics of Earth and its environment, including seismology, gravity, magnetism, electrical methods, and the use of geophysical techniques to explore Earth's interior and natural resources

8 papers in this specialization

Paperzilla Papers in Geophysics

Detection of 85 new active subglacial lakes in Antarctica from a decade of CryoSat-2 data

Using 10 years of satellite radar data, researchers detected 85 previously unknown active subglacial lakes beneath the Antarctic ice sheet, significantly expanding the known inventory. These lakes, some located surprisingly close to the edge of the ice sheet where it meets the ocean, experience dynamic filling and draining cycles which can influence ice flow and melting.

Very-long-range dynamic triggering of mud volcano unrest and silent magnitude-6 fault slip

This study reports on the remote triggering of unrest at over 50 mud volcanoes and a large-scale aseismic slip event on a network of faults in the Kura Basin, caused by the February 2023 Kahramanmaraş earthquakes in Türkiye, over 1000 km away. The researchers attribute this extensive phenomenon, equivalent to a Mw 6.1 earthquake, to changes in pore pressure at depth due to seismic waves, triggering slip along pre-existing faults.

Appendix A: Improved Constrained Point-mass Model Approach

This study proposes an improved constrained point-mass model approach using a data-driven regularization method to analyze satellite gravimetry data. This approach aims to enhance the spatial resolution and accuracy of terrestrial water storage change estimations. While promising, the paper focuses primarily on methodological improvements without demonstrating real-world application or extensive validation.

Characteristics of evolution of mining-induced stress field in the longwall panel: insights from physical modeling

This study used a large-scale physical model and theoretical analysis to investigate stress field evolution in a longwall mining panel. The research revealed that the major principal stress field forms an arch-shaped structure, with high stress concentration on the shoulders, and influences the fracture morphology of the overlying strata in a pattern resembling an inverted funnel before the first breaking, and a “\” shaped breaking line during periodic weighting.

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s40789-020-00390-5.pdf

Jul 14, 05:24 PM

2022 Tonga Volcanic Eruption Induced Global Propagation of Ionospheric Disturbances via Lamb Waves

The 2022 Tonga volcanic eruption triggered ionospheric disturbances that propagated globally for at least four days, traveling around the globe multiple times. The disturbances exhibited characteristics consistent with Lamb waves, suggesting their significant role in the global propagation of the eruption's effects.