Results 101 to 110 of about 12,423 (209)

Science Needs for a Terrestrial Biosphere Tipping Point Early Warning System

open access: yesReviews of Geophysics, Volume 64, Issue 4, December 2026.
Abstract Tipping points in the Earth system have the potential to cause major detrimental impacts to the biosphere and societies. Their inherent nonlinearity implies that even relatively small additional increases in external forcing might result in disproportionately large adjustments to components of the Earth system.
Jesse F. Abrams   +13 more
wiley   +1 more source

Prevalence of Local Emissions in Arctic Carbonaceous Aerosols Revealed by Dual Carbon Isotopes and Atmospheric Transport Modeling

open access: yesGeophysical Research Letters, Volume 53, Issue 21, 16 November 2026.
Abstract Carbonaceous aerosols in the Arctic are mainly attributed to long‐range transport from lower latitudes, but direct observational data over the central Arctic Ocean, particularly in summer, remain limited. We present a cruise‐based study conducted during the eighth Xuelong Arctic expedition across the central Arctic Ocean.
Md. Mozammel Haque   +4 more
wiley   +1 more source

Important but Overlooked Reactive Organic Carbon (ROC) Air Pollution From Permafrost Wildfires in Canada

open access: yesGeophysical Research Letters, Volume 53, Issue 21, 16 November 2026.
Abstract Canadian permafrost wildfires, characterized by surface flaming and deep organic soil smoldering, emit complex suites of volatile organic compounds (VOCs). These emissions include air toxics that pose substantial public health risks and fuel secondary pollution, yet remain understudied.
Xueying Liu   +10 more
wiley   +1 more source

Permafrost

open access: yesScience, 1964
K B, Woods, G A, Leonards
openaire   +3 more sources

Using Texture‐Based Image Segmentation and Machine Learning With High‐Resolution Satellite Imagery to Assess Permafrost Degradation Landforms in the Russian High Arctic

open access: yesJournal of Geophysical Research: Machine Learning and Computation
Amplified climate change across the Arctic causes significant permafrost thaw and an increase of permafrost degradation landforms. These landforms range from fine‐scale degrading ice wedge‐polygon‐networks to large‐scale features such as thermo‐erosional
Cornelia M. Inauen   +5 more
doaj   +1 more source

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada

open access: yesThe Anatomical Record, Volume 309, Issue 11, Page 3123-3136, November 2026.
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Mondo Miyazato   +4 more
wiley   +1 more source

Clathrate hydrate crystallization

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 11, Page 5931-5953, November 2026.
Abstract Clathrate hydrate crystallization has been an area of interest to chemical engineers from the point of view of crystal structure, thermophysical properties, phase equilibria, kinetics, industrial applications, and environmental (climate change) implications.
Peter Englezos
wiley   +1 more source

The Swedish Arctic Fox Project: 40 years of research in ecology and conservation

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 8, November 2026.
The 4 central research themes in The Swedish Arctic Fox Project and key deliverables for practical conservation achieved over 4 decades. Abstract The scientific community widely recognizes the value of long‐term studies, especially those with individual‐level resolution; however, maintaining a consecutive data series is associated with multiple ...
Anders Angerbjörn   +11 more
wiley   +1 more source

Terrestrial inputs and in‐lake processes shape dissolved organic matter along a permafrost gradient

open access: yesLimnology and Oceanography, Volume 71, Issue 11, November 2026.
Abstract Northern permafrost landscapes store large amounts of organic carbon that can enter lakes as dissolved organic matter (DOM), but links among shoreline terrestrial sources, lake‐water DOM composition, and catchment configuration remain uncertain in low‐precipitation Shield landscapes. We combined shoreline soil‐porewater and lake‐water sampling
Ryan H. S. Hutchins   +8 more
wiley   +1 more source

Root biomass distribution in response to increasing active layer thickness across plant communities in a permafrost peatland

open access: yesNordic Journal of Botany, Volume 2026, Issue 11, November 2026.
In Arctic tundra, the majority of plant biomass is belowground. As temperatures increase and permafrost thaws, new soil volume containing nitrogen becomes available for plant roots, potentially leading to new plant–soil interactions. Whether or not different plant communities adapt their rooting depth distribution in response to increasing active layer
Alexandra Werner   +2 more
wiley   +1 more source

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