Results 111 to 120 of about 99,097 (202)

A Full-Stokes 3-D Calving Model Applied to a Large Greenlandic Glacier [PDF]

open access: yes, 2018
Iceberg calving accounts for around half of all mass loss from both the Greenland and Antarctic ice sheets. The diverse nature of calving and its complex links to both internal dynamics and climate make it challenging to incorporate into models of ...
Luckman, Adrian   +25 more
core   +1 more source

A Novel Approach to Automated Mapping Subweekly Calving Front of Petermann Glacier (2016–2023)—Using Sentinel-2 Satellite Data and Segment Anything Model (SAM)

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Monitoring glacier calving fronts is critical for understanding ice dynamics and their response to climate change. However, existing methods of mapping ice calving front face limitations in temporal resolution and positional accuracy, hindering effective
Daan Li   +4 more
doaj   +1 more source

Iceberg calving from a Canadian Arctic tidewater glacier [PDF]

open access: yes, 2011
Time lapse imagery, an audio recorder and geophones were used to detect iceberg calving events on the Belcher Glacier, Devon Island, in the Canadian High Arctic, in order to identify the major controls on the rate and style of calving.
Milne, Hannah Maree
core   +1 more source

Insights From Two Decades of Seismicity at Columbia Glacier

open access: yesGeophysical Research Letters
We use Columbia Glacier as a case study to demonstrate how seismically cataloged calving events in Alaska can track glacier evolution over two decades. By combining this catalog—a serendipitous byproduct of earthquake monitoring—with terminus positions ...
Sebin John   +2 more
doaj   +1 more source

Seasonal variations of glacier dynamics at Kronebreen, Svalbard revealed by calving related seismicity

open access: yes, 2011
. We detect and cluster waveforms of seismic signals recorded close to the calving front of Kronebreen, Svalbard, to identify glacier-induced seismic events and to investigate their relation to calving processes.
A. Chapuis   +4 more
core   +1 more source

Glacier calving front locations for the Antarctic Peninsula Ice Sheet derived from remote sensing and deep learning from 2013 to 2023

open access: yes
Glacier calving front positions have been derived by applying a deep learning method to multispectral Landsat-8 and Landsat-9 imagery. The record contains 4817 calving front positions across 42 outlet glaciers of the Antarctic Peninsula from October 2013
Dietz, Andreas J   +4 more
core   +1 more source

Ice Front and Mélange Dynamics at Kangerlussuaq Glacier, Eastern Greenland, Since 1981, and Future Stability

open access: yesGeophysical Research Letters
Calving is a critical factor in the dynamics of marine‐terminating glaciers, yet its long‐term behavior remains poorly understood. Existing models calibrate calving parameters with decadal observational periods and assume they remain constant ...
E. Y. H. Lippert   +5 more
doaj   +1 more source

Horizontal force-balance calving laws: Ice shelves, marine- and land-terminating glaciers

open access: yesJournal of Glaciology
Predicting calving in glacier models is challenging, as observations of diverse calving styles appear to contradict a universal calving law. Here, we generalize and apply the analytical Horizontal Force-Balance fracture model from ice shelves to land ...
Niall Bennet Coffey, Ching-Yao Lai
doaj   +1 more source

The relative importance of calving and surface ablation at a lacustrine terminating glacier : a detailed assessment of ice loss at Bridge Glacier, British Columbia

open access: yes, 2014
Bridge Glacier is a lacustrine calving glacier located in the southern Coast Mountains and terminates in a 6.2 km² proglacial lake. The glacier has retreated more than 3.55 km up-valley since 1984, the majority of the retreat having occurred since 2003 ...
Chernos, Matthew
core   +1 more source

Three-phase evolution of a proglacial lake and its hydrological impacts on glacier retreat: Insights from Midui Glacier, southeastern Tibetan Plateau

open access: yesJournal of Hydrology: Regional Studies
Study region: Guangxie Co proglacial lake and its parent Midui Glacier on the Qinghai-Tibet Plateau (QTP). Study focus: We quantified the lake-glacier evolution from 1986 to 2021 using remote sensing, glacier modeling, and unmanned surface vessel (USV ...
Yanjun Che   +5 more
doaj   +1 more source

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