Results 161 to 170 of about 11,761 (253)

The Global Contribution of Individual Submarine Groundwater Discharge Components to the Ocean

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Saline submarine groundwater discharge (SSGD) contributes to ocean chemistry through water‐rock interactions as seawater circulates in coastal aquifers. Its components, driven by different mechanisms, exhibit varying residence times and degrees of chemical alteration, so constraining solute fluxes requires quantifying each component.
Y. Levy, H. A. Michael, S. Sahu, Y. Kiro
wiley   +1 more source

The Lifecycle of Tracer Variance in the North Atlantic

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Oceanic tracer distributions are shaped by turbulent mixing, which may be understood via a tracer variance budget. There is a tracer variance lifecycle: variance production by turbulent flows stirring large‐scale gradients, redistribution by currents, and variance dissipation by molecular diffusion.
Espe Broullón   +4 more
wiley   +1 more source

Geodynamic Models of Melt Generation and Extraction at Mid-Ocean Ridges

open access: yes
It is widely accepted that plate divergence at mid-ocean ridges drives mantle flow, mantle melting, and the formation of new oceanic crust. However, many of the details of this process remain obscure because of the inaccessibility of the mantle to direct
Hebert, Laura B .   +3 more
core  

Injuries in deep time: interpreting competitive behaviours in extinct reptiles via palaeopathology

open access: yesBiological Reviews, Volume 101, Issue 3, Page 1073-1090, June 2026.
ABSTRACT For over a century, palaeopathology has been used as a tool for understanding evolution, disease in past communities and populations, and to interpret behaviour of extinct taxa. Physical traumas in particular have frequently been the justification for interpretations about aggressive and even competitive behaviours in extinct taxa.
Maximilian Scott   +3 more
wiley   +1 more source

Low sediment retention efficiency limits delta formation in tectonically confined high‐energy coastal systems

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 6, June 2026.
Conceptual framework showing how tectonic confinement, steep monsoon‐driven river dynamics, high‐energy coastal processes and offshore sediment dispersal together limit sediment retention at the Narmada–Tapi river mouths, suppressing sustained subaerial delta formation despite high sediment supply. Abstract Although deltaic growth is commonly linked to
Sumit Das, Gianvito Scaringi
wiley   +1 more source

Zinc isotope evidence for extensive carbonate recycling in the Arctic asthenosphere. [PDF]

open access: yesNat Commun
Zhang WQ   +11 more
europepmc   +1 more source

Rapid changes of the lava‐delta coastlines formed by the 2021 volcanic eruption on La Palma, Canary Islands

open access: yesEarth Surface Processes and Landforms, Volume 51, Issue 6, June 2026.
A new coastline formed during the 2021 eruption of La Palma quickly eroded, becoming crenellated and with pocket beaches, then retreated more gradually as resistant interiors of the lava were exposed. In contrast, a second thicker lava delta changed more gradually, highlighting the importance of lithology to coastal erosion.
Zhongwei Zhao   +6 more
wiley   +1 more source

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