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Geosciences, Volume 15, Issue 6

June 2025 - 45 articles

Cover Story: This study stems from inquiries into rapid geomagnetic reversals and concludes that differential rotation exists within Earth, driven by lunar tidal forces. We propose a conceptual model where the oceanic tidal bulge acts as a brake, initially slowing the crust and mantle. The outer core, being fluid, delays this effect, resulting in differential rotation at layer boundaries. Approximately 66,000 years after the Moon’s formation, tidal forces slowed crust-mantle rotation by ~5.5°/yr relative to the core. Estimated frictional heating reaches 0.3478 TW, potentially raising outer core temperatures by ~13.4 K per billion years. Continuous differential rotation may generate turbulence and electromagnetic activity, potentially linked to geomagnetic reversals. View this paper
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Articles (45)

  • Review
  • Open Access
1 Citations
2,244 Views
22 Pages

Understanding Earth as a complex, dynamic, and interconnected system is crucial to addressing the contemporary environmental challenges intensified in the Anthropocene. This article reviews foundational Earth System Science (ESS) developments, emphas...

  • Article
  • Open Access
1,570 Views
22 Pages

Annual Variability in the Cordillera Blanca Snow Accumulation Area Between 1988 and 2023 Using a Cloud Processing Platform

  • Júlia Lopes Lorenz,
  • Kátia Kellem da Rosa,
  • Rafael da Rocha Ribeiro,
  • Rolando Cruz Encarnación,
  • Adina Racoviteanu,
  • Federico Aita,
  • Fernando Luis Hillebrand,
  • Jesus Gomez Lopez and
  • Jefferson Cardia Simões

Tropical glaciers are highly sensitive to climate change, with their mass balance influenced by temperature and precipitation, which affects the accumulation area. In this study, we developed an open-source tool to map the accumulation area of glacie...

  • Article
  • Open Access
1 Citations
1,429 Views
34 Pages

This study presents a probabilistic geotechnical analysis of the Visonta Keleti-III lignite mining area, focusing on the statistical evaluation of soil parameters and their integration into slope stability modeling. The objective was to provide a mor...

  • Article
  • Open Access
786 Views
16 Pages

Experimental Seismic Surveying in a Historic Underground Metals Mine

  • John H. McBride,
  • Lex Lambeck,
  • Kevin A. Rey,
  • Stephen T. Nelson and
  • R. William Keach

Underground mine surveys present unique challenges, including the logistics of deploying an energy source, placing geophones in solid rock, managing reverberation from the adit, and ensuring safety. We present the results of seismic surveying at the...

  • Review
  • Open Access
3,658 Views
50 Pages

Geophysical Survey and Monitoring of Transportation Infrastructure Slopes (TISs): A Review

  • Zeynab Rosa Maleki,
  • Paul Wilkinson,
  • Jonathan Chambers,
  • Shane Donohue,
  • Jessica Lauren Holmes and
  • Ross Stirling

This review examines the application of the geophysical methods for Transportation Infrastructure Slope Monitoring (TISM). In contrast to existing works, which address geophysical methods for natural landslide monitoring, this study focuses on their...

  • Article
  • Open Access
1 Citations
768 Views
25 Pages

Sedimentary and Early Diagenetic Responses to the Huaiyuan Movement During the Early–Middle Ordovician Transition in the Ordos Basin, North China

  • Hao Quan,
  • Zhou Yu,
  • Zhanfeng Qiao,
  • Chenqing Li,
  • Pan Xia,
  • Zhongtang Su,
  • Huaguo Wen,
  • Min Qin and
  • Meng Ning

The early Paleozoic Huaiyuan Movement created a major unconformity in the Ordos Basin, significantly influencing sedimentation and early diagenesis in both the overlying and underlying strata near the unconformity. However, the origins of the associa...

  • Article
  • Open Access
1 Citations
1,710 Views
17 Pages

Flood risk to rice production has previously been examined in terms of river basins or administrative units, incorporating data about the flood year, inundated area, precipitation, elevation, and impacts. However, there is limited knowledge about thi...

  • Article
  • Open Access
726 Views
17 Pages

Sedimentary basins developed in mountain belts are natural traps of catchment erosion products and can produce comprehensive palaeoflood records that extend beyond instrumental or historical data. This study investigates the Lake Moo plain (1120 m a....

  • Article
  • Open Access
1 Citations
2,087 Views
24 Pages

Building Resilience: Youth Learning Through Earthquake Shaking Simulations

  • Gemma Musacchio,
  • Agostino Goretti and
  • Fabrizio Meroni

This paper illustrates how youth education can foster resilience and promote risk awareness through interactive learning. It presents Shake It!, an engaging, hands-on educational module designed for middle school students that integrates risk educati...

  • Article
  • Open Access
3,122 Views
24 Pages

The Central Depression of the Junggar Basin relies heavily on Permian lacustrine mudstone for deep-seated hydrocarbon sealing. This research investigated how the fluorescence parameters of caprock samples responded to the leakage of palaeo-oil zones...

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Geosciences - ISSN 2076-3263