Results 121 to 130 of about 39,293 (281)

Interpreting Ice Anisotropy of Greenland's Fastest Outlet Glacier Using Basal Icequakes

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract Ice anisotropy can have significant impact on ice rheology and flow dynamics. However, a lack of in situ measurements limits the validation and incorporation of anisotropy, so most ice flow models assume isotropic ice. Especially observations of anisotropy in fast‐flowing ice streams are scarce.
A. Nap   +6 more
wiley   +1 more source

Modelling PolSAR Scattering Signatures at Long Wavelengths of Glacier Ice Volumes [PDF]

open access: yes, 2012
The crucial role of cryosphere for understanding the global climate change has been widely recognized in recent decades [1]. Glaciers and ice sheets are the main components of the cryosphere and constitute the basic reservoir of fresh water for high ...
Al-Kahachi, Noora   +4 more
core  

Multidecadal Variability in Atmospheric Dust Preserved in an Ice Core From the Southern Slopes of the Himalayas

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract Ice cores from the Himalayan region, downwind from vast arid and densely populated areas, are important in revealing long‐term dust variability and the driving factors behind such variability. However, logistical challenges in reaching the region have hindered the retrieval of long‐term dust records from the southern side of the Himalayas ...
Nao Esashi   +6 more
wiley   +1 more source

Atmospheric Excitation of Length of Day Inferred From 21st Century Climate Projections

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract On seasonal timescales, atmospheric angular momentum, mainly constituted by wind but also pressure effects, is known as the most important driver of Earth rotation variations reflected in those of the length of day. However, in connection with long‐term climatic changes, we additionally anticipate secular trends resulting from shifts or ...
Sigrid Böhm, David Salstein
wiley   +1 more source

The Sea Surface Temperature Pattern Effect on Outgoing Longwave Radiation: The Role of Large‐Scale Convective Aggregation

open access: yesGeophysical Research Letters, Volume 52, Issue 11, 16 June 2025.
Abstract Observations and climate models show a strong increase/decrease of tropical low clouds, and hence reflected solar radiation, in response to an increase/decrease of the west‐east sea surface temperature (SST) gradient in the tropical Pacific due to its impact on boundary layer inversion strength.
Heng Quan   +3 more
wiley   +1 more source

Emergence of Winter Large‐Scale Transient Atmospheric Waves in the Northern Hemisphere

open access: yesGeophysical Research Letters, Volume 52, Issue 11, 16 June 2025.
Abstract Transient atmospheric waves, which modulate the mid‐latitude storm tracks, are projected to intensify over most of the mid‐latitudes in Northern Hemisphere winter, but to emerge out of the internal variability only over Eurasia, implying localized climate change impacts over this region.
Itamar Karbi, Rei Chemke
wiley   +1 more source

Coastal Upwelling Enhances Winter Arctic Ocean Methane Emission

open access: yesGeophysical Research Letters, Volume 52, Issue 11, 16 June 2025.
Abstract As sea ice becomes thinner and more fragile, it may affect the Arctic Ocean methane budgets in winter. Using satellite, in situ and reanalysis data, the oceanic emissions of methane over the Chukchi Sea coast from 2003 to 2023 are investigated.
S. Li   +6 more
wiley   +1 more source

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