Antarctic sea ice edge
Antarctic sea ice: a self-organizing map-based perspective
... monthly Antarctic sea-ice edge positions. Variability in sea-ice extent, concentration and other physical characteristics is an important component of the Earth’s dynamic climate ...
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Estimating the extent of Antarctic summer sea ice during the Heroic Age of Antarctic Exploration
... situ ice edge observations, we have chosen to use the Bootstrap algorithm daily sea ice concentration from the National Snow and Ice Data Centre (NSIDC) to estimate the present-day ...
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Growth and motion at the Weddell Sea ice edge
... the ice is changing – due, for instance to the ice roughness changing as the ice evolves – or that the influence of other forcing, not related directly to the local wind speed (such as the ...
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Atmospheric influences on the anomalous 2016 Antarctic sea ice decay
... by sea ice dynamics that influence ice advection, ice divergence, and convergence ...of sea ice retreat seem to have a strong influence on the timing of the following ad- vance, ...
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An ocean sea ice model study of the unprecedented Antarctic sea ice minimum in 2016
... convention, sea ice edge location, to derive SIE, was demarcated by the 15% SIC ...The sea-ice component interacts with the uppermost ocean grid cell, whose temper- ature is determined ...
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Interactions between Antarctic sea ice and large scale atmospheric modes in CMIP5 models
... impact Antarctic sea ice (Simmonds and Jacka, 1995; Kwok and Comiso, 2002; Turner, 2004; Yuan, 2004; Simpkins et ...influence Antarctic sea ice (Karoly, 1989; Fogt and Bromwich, ...
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On the influence of model physics on simulations of Arctic and Antarctic sea ice
... mean ice drifts from 1983 to 2006 (not shown here) revealed that both models gen- erally overestimate the mean kinetic ...0.9) ice concentrations (Hunke and Dukowicz, ...higher ice speeds within the ...
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The sub-ice platelet layer and its influence on freeboard to thickness conversion of Antarctic sea ice
... sub- ice platelet layer found under land-fast sea ice in McMurdo ...estimate sea ice thickness. Sea ice thickness was overestimated on average by 12 % in southern McMurdo ...
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Assessment of Arctic and Antarctic sea ice predictability in CMIP5 decadal hindcasts
... assimilate sea ice concentration gener- ally overestimate sea ice concentration and have large biases near the ice edge in the ...assimilated sea ice thick- ness ...
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Antarctic last interglacial isotope peak in response to sea ice retreat not ice-sheet collapse.
... ka sea ice retreat may prove a crucial model–data target for the sea ice modelling ...September sea ice area 413% between the LIG and the present interglacial (Supplementary ...
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Sea ice and the ocean mixed layer over the Antarctic shelf seas
... accurate sea ice state to validate the fluxes of freshwater, salt, heat and momen- tum between the atmosphere and the ...modelled ice concen- tration compared to observations derived from passive mi- ...
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New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery
... 1964 sea ice extent for the Arc- tic was more difficult than for the ...the ice edge along the coasts from snow- or glacier- covered islands in the Canadian Archipelago because sea ...
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Antarctic sea ice control on ocean circulation in present and glacial climates
... of Antarctic origin at the LGM is dynamically linked to the ex- pansion of quasi-permanent (summer) sea ice in the Southern ...summer sea ice and sinking into the abyss around ...
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Decadal trends in the Antarctic sea ice extent ultimately controlled by ice–ocean feedback
... the Antarctic sea ice is a key characteristic of the system that might be re- sponsible for the small positive trend in sea ice extent ob- served since ...positive ice–ocean ...
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Mapping UV radiation in the East Antarctic sea ice zone
... fast ice near the continent is relatively transparent and transmits ~10% of UVB in October (Ryan 1992) compared with only ...fast ice close to the Antarctic coast, most of the algal biomass is ...
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The Response of Antarctic Sea Ice Algae to Changes in pH and CO2
... in sea ice ecosystems, however, is quite different to that in the open ...During ice formation, internal gas concentrations are heavily modified by exclusion of gases from the ice crystal ...
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Antarctic sea ice algae : primary production and carbon allocation
... For ice-dwelling microbes, an increase in the exudation of organic carbon has been reported at reduced temperatures and nutrient limitation, possibly as a cellular survival mechanism ...in ice algal ...
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Mapping UV radiation in the East Antarctic sea ice zone
... Fowler, C., J. Maslanik, T. Haran, T. Scambos, J. Key & W. Emery. (2000, updated 2008). "AVHRR Polar Pathfinder twice-daily 5 km EASE-Grid composites, V3, 25th July 1996 to 30th June 2005. Boulder, CO, USA: ...
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Modelling the northern hemisphere and Antarctic ice sheet changes through the last glacial cycle
... As part of the global approach to the niodelling of the last glacial cycle, the Antarctic Ice Sheet model was driven by the same sea level forcing as was applied to the northern hemisphe[r] ...
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Sea ice and pollution-modulated changes in Greenland ice core methanesulfonate and bromine
... Both ice cores show a predominantly positive Br enrich- ment throughout the year (Figs. S3, S4) relative to both sea salt elements chlorine and sodium. This enrichment reaches a maximum in mid-to-late ...
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