Results 81 to 90 of about 14,385 (208)

Bayesian Inversion of Electrical Resistivity Tomography Data for Uranium Exploration Through a Localized Ensemble‐Based Approach

Geophysical Prospecting, Volume 74, Issue 4, May 2026.
ABSTRACT The electrical resistivity tomography (ERT) is a geophysical method commonly used in mining exploration to reconstruct the subsurface resistivity. The associated inverse problem is typically addressed using deterministic approaches that minimize an objective function and guarantee fast convergence.
Alessandro Vinciguerra, Guy Marquis, Jean‐François Girard   +2 more
wiley   +1 more source

Surge Instability on a Cavitating Propeller [PDF]

, 2000
This study details experiments investigating a previously unrecognized surge instability on a cavitating propeller in a water tunnel. The surge instability is explored through visual observation of the cavitation on the propeller blades and in the tip ...
Brennen, C. E., Duttweiler, M. E.
core   +1 more source

Bromine Enrichment Signal in Svalbard Shallow Cores Reflects Changes of Seasonal Sea Ice Variability

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Bromine enrichment Brenr $\left(\mathrm{B}{\mathrm{r}}_{\mathrm{e}\mathrm{n}\mathrm{r}}\right)$ has been widely used as a proxy for past sea ice reconstructions. In this study, three firn cores drilled on Holtedahlfonna (Svalbard) were analyzed for trace elements. Excluding a single year data, a positive correlation was observed between Brenr $
Enrico Biscaro, Federico Scoto, Catherine Larose, Elena Barbaro, Francois Burgay, David Cappelletti, Giuliano Dreossi, Jacopo Gabrieli, Elisabeth Isaksson, Jack Kohler, Barbara Stenni, Clara Turetta, Jean‐Charles Gallet, Andrea Spolaor   +13 more
wiley   +1 more source

Ostwald Ripening in Underground Gas Storage

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Underground gas storage supports the energy transition, enabling long‐term CO2 ${\text{CO}}_{2}$ sequestration and seasonal H2 ${\mathrm{H}}_{2}$ storage. A key process shaping the fate of injected gases is Ostwald ripening—the curvature‐driven mass transfer between trapped ganglia—yet its behavior in confined porous structures remains poorly ...
Mohammad Salehpour, Tian Lan, Nicolas Bueno, Md Zahidul Islam Laku, Yashar Mehmani, Benzhong Zhao   +5 more
wiley   +1 more source

A >300 Myr Long‐Lived Topographic Highland Along the Northern North China Craton Margin Driven by Multistage Continental Convergence

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Topographic highlands commonly develop along convergent plate boundaries through long‐term processes such as subduction and continental collision. However, the pre‐Cenozoic mountain‐building history of deep‐time orogenic systems in northeastern Pangaea remains poorly constrained due to later tectonic overprinting and denudation.
Heng Peng, Licheng Wang, Jianqiang Wang, Yazuo Niu, Yahui Yue, Jingbo Sun, Bitian Wei, Chiyang Liu, Massimiliano Zattin, Lin Ding   +9 more
wiley   +1 more source

The evolution of the Sinian–Early Cambrian E’xi Trough in the Central Yangtze region and its geological significance for natural gas

Dizhi lixue xuebao
Objective  From the Neoproterozoic Sinian to the Early Cambrian periods, extensive basins in South China accumulated substantial volumes of organic-rich shale and carbonate rocks, providing high-quality source rocks and reservoirs.
CHEN Ke, LU Yanxin, WANG Yuluo, LI Fei
doaj   +1 more source

Plankton periodicity and some physicochemical parameters of the intake channel of Lake Chad [PDF]

, 2003
This study examines zooplankton periodicity and some physicochemical parameters of the intake channel of Lake Chad (Nigeria). Nine different zooplankton species were identified at the sampling station 1, while seven different zooplankton species were ...
Raji, A., Saidu, A.K.
core  

Conditional stability of particle alignment in finite-Reynolds-number channel flow

, 2018
Finite-size neutrally buoyant particles in a channel flow are known to accumulate at specific equilibrium positions or spots in the channel cross-section if the flow inertia is finite at the particle scale.
Abbas, Micheline, Gupta, Anupam, Lafforgue, Christine, Magaud, Pascale   +3 more
core   +3 more sources

Natural hydrogen system evaluation in the São Francisco Basin (Brazil)

Science and Technology for Energy Transition
The São Francisco Basin (SFB), a double foreland bordered by two Neoproterozoic belts, hosts a proven hydrogen (H2) system, demonstrated by high concentrations in boreholes and numerous surface H2 emissions, some long-term monitored. However, no detailed
de Freitas Vivian Azor, Prinzhofer Alain, Françolin João Batista, Ferreira Francisco José Fonseca, Moretti Isabelle   +4 more
doaj   +1 more source

Modeling seismic wave propagation and amplification in 1D/2D/3D linear and nonlinear unbounded media

, 2010
To analyze seismic wave propagation in geological structures, it is possible to consider various numerical approaches: the finite difference method, the spectral element method, the boundary element method, the finite element method, the finite volume ...
Bard P. Y., Bard P. Y., Bonnet M., Bonnet M., Bouchon M., Chaljub E., Chopra A. K., Dobry R., Frankel A., Hughes T. J. R., J. F. Semblat, Komatitsch D., Manolis G. D., Sanchez-Sesma F. J., Sanchez-Sesma F. J., Semblat J. F., Sommerville P. G., Sánchez-Sesma F. J., Wirgin A., Wolf J. P.   +19 more
core   +6 more sources