Results 231 to 240 of about 150,853 (369)

Cenozoic record of δ34S in foraminiferal calcite implies an early Eocene shift to deep-ocean sulfide burial

open access: yesNature Geoscience, 2018
V. Rennie   +5 more
semanticscholar   +1 more source

Unexpectedly High Accumulation Rates in the 2022 Mt. Logan Ice Core Reveal Warm‐Season Drivers of Precipitation Variability

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 2, 28 January 2026.
Abstract Ice cores from Mt. Logan, the second highest peak in North America located in the St. Elias mountains in southwest Yukon, Canada, have provided conflicting accumulation records, thus the hydroclimate response to changing atmospheric conditions in the highest elevation regions is not well constrained.
Kira M. Holland   +10 more
wiley   +1 more source

Tracking bioturbation through time: The evolution of the marine sedimentary mixed and transition layers. [PDF]

open access: yesSci Adv
Tarhan LG   +7 more
europepmc   +1 more source

Characterization of Crustal Deformation During the May 2021 Nyiragongo Eruption Using InSAR and GNSS Data

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract We analyze Interferometric Synthetic Aperture Radar (InSAR) and Global Navigation Satellite System (GNSS) data to characterize ground deformation and dike opening associated with the May 2021 Nyiragongo eruption. Despite documented eruptions in 1977 and 2002, Nyiragongo's magmatic system and its interaction with regional rifting remain poorly ...
D. Murekezi   +9 more
wiley   +1 more source

Cenozoic Geology of the Sage Creek-Blacktail Area, Southwestern Monatana: ABSTRACT

open access: hybrid, 1996
Charles J. Widem Debra L. Hanneman
openalex   +1 more source

Ambient‐Noise Multicomponent Multimodal Dispersion Characteristics in Thick Sedimentary Basins

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Ambient noise cross‐correlations enable the extraction of multimodal surface waves, yet resolving their complex dispersion characteristics is essential for robust subsurface imaging. Using dense array data from the North China Plain, we resolve multicomponent multimodal Rayleigh and Love wave dispersion with unprecedented detail.
Gongheng Zhang   +7 more
wiley   +1 more source

Permafrost Thaw Dynamics Drive the Regime Shifts of Iron‐Bound Organic Carbon Sequestration in the East Siberian Arctic Shelf

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract In the changing Arctic, permafrost thaw is shifting from gradual to abrupt. Although iron‐bound organic carbon (OC‐FeR) critically modulates permafrost carbon‐climate feedbacks, its decadal‐scale variability and response to this regime shift remain poorly constrained.
Jiazong Du   +9 more
wiley   +1 more source

Mode of intracontinental mountain building controlled by lower crustal composition and mantle lithosphere depletion. [PDF]

open access: yesNat Commun
Xu X   +14 more
europepmc   +1 more source

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