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Modelling effective diffusion for accurate NMR pore size analysis in nano- and microporous rocks

Michał Fajt, Grzegorz Machowski, Bartosz Puzio, Artur T. Krzyżak • Scientific Reports (2025)

Abstract Low-field NMR (LF-NMR) is a widely applied technique for evaluating pore size distribution (PSD) in porous materials. Conventional approaches typically assume surface-controlled spin-spin relaxation and negligible diffusion contrib...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-025-20379-x

Rapakivi K‐Feldspar Megacrysts in Monzogranitic Porphyry: Evidence for Magma Recharge and Mush Rejuvenation

Wang Li, Xuxuan Ma, Roberto Weinberg, Liang Qiu et al. • Geochemistry, Geophysics, Geosystems (2025)

Abstract The formation, storage, and evolution of granitic magmas are fundamental processes driving the growth of continental crust. While traditionally attributed to crystal fractionation in high‐melt fraction magma chambers, the model inv...

DOAJ Open Access (DOAJ) DOI: 10.1029/2025GC012435

Jianghan plain, the locale of China’s Great Flood four thousand years ago

Li-Xin Guo, Meng-Long Hsieh, Olga Gorodetskaya, Zi-Hao Fan et al. • Terrestrial, Atmospheric and Oceanic Sciences (2023)

Abstract The Yellow River Plain (YRP), being regarded as the cradle of Chinese civilization, is traditionally thought to be the locale of the Great Flood, a hazardous flood (or floods) tamed by Yu who started China’s first “dynasty”, Xia, i...

DOAJ Open Access (DOAJ) DOI: 10.1007/s44195-023-00044-4

Report on the second academic forum on earthquake hazard chain, 12 November 2022, Beijing, China

Xiangli He, Yuandong Huang, Zhaoning Chen, Lei Li et al. • Natural Hazards Research (2023)

The second academic forum of the Committee on the Earthquake Hazard Chain, Seismological Society of China was held on 12 November 2022 in Beijing, China. The theme of this forum was theoretical research, technical application and populariza...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nhres.2023.03.001

New palaeomagnetic data for Palaeoproterozoic AMCG complexes of the Ukrainian Shield

V.G. Bakhmutov, O.V. Mytrokhyn, I.B. Poliachenko, S.I. Cherkes • Геофизический журнал (2023)

A palaeomagnetic study of rocks for two Palaeoproterozoic anorthosite-mangerite-charnockite-granite (AMCG) complexes in the Ukrainian Shield was done to put additional constraints on the interpretation of palaeogeography of Fennoscandia and...

DOAJ Open Access (DOAJ) DOI: 10.24028/gj.v45i4.286283

Snow Depth Retrieval Using Detrended SNR From GNSS-R With Bidirectional GRU

Wei Liu, Zihui Lin, Yuan Hu, Aodong Tian et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (2024)

Snow depth monitoring is crucial for hydrology, climate research, and avalanche prediction. While traditional global navigation satellite system (GNSS) reflectometer methods offer cost-effective snow thickness retrieval, they suffer from po...

DOAJ Open Access (DOAJ) DOI: 10.1109/JSTARS.2024.3470222

GPS network observation of traveling ionospheric disturbances following the Chelyabinsk meteorite blast

F. Ding, F. Ding, T. Mao, L. Hu et al. • Annales Geophysicae (2016)

We use the Global Positioning System (GPS) network in northwest China and central Asia to monitor traveling ionospheric disturbances (TIDs), which were possibly excited by the large meteorite blast over Chelyabinsk, Russia, on 15 Februar...

DOAJ Open Access (DOAJ) DOI: 10.5194/angeo-34-1045-2016

Interplanetary external driven quasidynamo as the origin of geomagnetic jerks correlated with length of day and gravity anomaly

Mohsen LUTEPHY • Contributions to Geophysics and Geodesy (2018)

We report phenomenological inevitable correlation between the Sun’s magnetic field oscillation through the Earth and the Jupiter, with sinusoidal geomagnetic jerks observed at the Earth, additionally aligned with the gravity and length of d...

DOAJ Open Access (DOAJ) DOI: 10.2478/congeo-2018-0002

Spatial and temporal distribution of vertical ground movements at Mt. Vesuvius in the period 1973-2009

Folco Pingue, Milena Bottiglieri, Cataldo Godano, Francesco Obrizzo et al. • Annals of Geophysics (2013)

Since the early ’70s vertical ground movements at Mount Vesuvius area have been investigated and monitored by the Osservatorio Vesuviano (Isti-tuto Nazionale di Geofisica Vulcanologia - Osservatorio Vesuviano since 2001). This monitoring be...

DOAJ Open Access (DOAJ) DOI: 10.4401/ag-6457

O arcabouço estrutural da Bacia Sedimentar do Araripe, Província Borborema, baseado em dados aeromagnetométricos

Clyvihk Renna Camacho, Frederico Ricardo Ferreira Rodrigues de Oliveira e Sousa • Geologia USP. Série Científica (2017)

Este trabalho apresenta uma interpretação atualizada da estruturação interna da Bacia Sedimentar do Araripe, localizada ao sul da porção setentrional da Província Borborema, por meio do processamento e da análise de dados aerogeofísicos de ...

DOAJ Open Access (DOAJ) DOI: 10.11606/issn.2316-9095.v17-393

Assessing economic impacts of future GLOFs in Nepal's Everest region under different SSP scenarios using three-dimensional simulations

W. Furian, T. Sauter • Natural Hazards and Earth System Sciences (2025)

This study investigates simulated glacial lake outburst floods (GLOFs) at five glacial lakes in the Everest region of Nepal using the three-dimensional model OpenFOAM. It presents the evolution of GLOF characteristics in the 21st century co...

DOAJ Open Access (DOAJ) DOI: 10.5194/nhess-25-3779-2025

Changes in the Association between GDP and Night-Time Lights during the COVID-19 Pandemic: A Subnational-Level Analysis for the US

Taohan Lin, Nataliya Rybnikova • Geomatics (2023)

Night-time light (NTL) data have been widely used as a remote proxy for the economic performance of regions. The use of these data is more advantageous than the traditional census approach is due to its timeliness, low cost, and comparabili...

DOAJ Open Access (DOAJ) DOI: 10.3390/geomatics3010008

DESENVOLVIMENTO DE UMA TIPOLOGIA HIDROGEOMORFOLÓGICA DE NASCENTES BASEADA EM ESTATÍSTICA NEBULOSA MULTIVARIADA

Miguel Fernandes Felippe, Antônio Pereira Magalhães Junior • Revista Brasileira de Geomorfologia (2014)

As nascentes de cursos d’água são sistemas hidrogeomorfológicos complexos, caracterizados por uma grande variabilidade de seus elementos estruturantes. Esta heterogeneidade ainda pouco conhecida cria dificuldades para os processos de gestão...

DOAJ Open Access (DOAJ) DOI: 10.20502/rbg.v15i3.463

Structural Properties of Syngenetic Ice-Rich Permafrost, as Revealed by Archaeological Investigation of the Yana Site Complex (Arctic East Siberia, Russia): Implications for Quaternary Science

Vladimir V. Pitulko, Elena Y. Pavlova • Frontiers in Earth Science (2022)

Ice-rich syncryogenic (termed “Ice Complex”) deposits are common in northern East Siberia and constitute the most important feature of the Quaternary geology of the region. The Ice Complex formed throughout the Late Pleistocene and not only...

DOAJ Open Access (DOAJ) DOI: 10.3389/feart.2021.744775

Underground Gas Storage Process Optimisation with Respect to Reservoir Parameters and Production Equipment

Vladislav Brkić, Ivan Zelenika, Petar Mijić, Igor Medved • Energies (2021)

The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow t...

DOAJ Open Access (DOAJ) DOI: 10.3390/en14144324

Detecting the dominant contributions of runoff variance across the source region of the Yellow River using a new decomposition framework

Jingkai Xie, Yue-Ping Xu, Yuxue Guo, Yitong Wang • Hydrology Research (2021)

Quantifying the contributions of climatic variables to runoff variance is still a great challenge to water resource management. This study adopted an extended Budyko framework to investigate the effects of terrestrial water storage changes ...

DOAJ Open Access (DOAJ) DOI: 10.2166/nh.2021.179

TOURIST SATISFACTION DURING THE PANDEMIC: AN ANALYSIS OF THE EFFECTS OF MEASURES TO PREVENT COVID-19 IN A MEDITERRANEAN COASTAL DESTINATION

Indrajeet MALLICK, Daniel MIRAVET, Aaron GUTIÉRREZ • Geo Journal of Tourism and Geosites (2022)

The impact of the COVID-19 on tourist satisfaction is a particular relevant issue, due to the role that elements such as the prevention measures implemented at the destination might play. For this reason, this article examines tourist satis...

DOAJ Open Access (DOAJ) DOI: 10.30892/gtg.454spl20-991

Regional ethnic autonomy: thinking and actions on the reconstruction of a unified multi-ethnic country by the CPC

Jianyue Chen • International Journal of Anthropology and Ethnology (2020)

Abstract The founding of the People’s Republic of China (PRC) established and consolidated a new type of socialist ethnic relations, and the people of all ethnic groups in China have embarked on a socialist road since then. This “had never ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s41257-020-00034-1