Antarctic Sea Ice Trends and Variability
A special issue of Oceans (ISSN 2673-1924).
Deadline for manuscript submissions: closed (15 October 2021) | Viewed by 366
Special Issue Editor
Special Issue Information
Dear Colleagues,
Antarctic sea ice cover exhibits decadal variability superimposed on long-term trends. While Arctic sea ice cover declined, Antarctic sea ice expanded. The expansion was spatially inhomogeneous. Fresh water influx into the Southern Ocean from the Antarctic ice sheet and iceberg melting influences the upper ocean stratification and likely played a role in in the inhomogeneous spatial variability of sea ice changes. On the other hand, sea ice formation enhances ocean salinity and increases the density of waters in key regions of bottom water formation, namely the Weddell and Ross seas, Oceanic fronts shape the sea ice cover and limit its northern extent. Sea ice transport redistributes fresh water input from melting sea ice and is a factor in Antarctic intermediate water potential vorticity and salinity. Such effects are felt north of the equator. Sea ice variability in space and time affects the interactions of climate system components, which are of global significance. This is especially the case for the ocean and its global deep and intermediate circulation. Southern Ocean sea ice cover interacts with higher-latitude climate variability. We invite papers that address ocean sea ice interaction in the Southern Ocean and its global repercussions.
Prof. Dr. Rüdiger Gerdes
Guest Editor
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Keywords
- ocean sea ice interaction
- global climate change
- decadal climate variability
- Antarctic run-off
- icebergs
- water masses
- Antarctic bottom water formation
- Antarctic intermediate water
- Southern Ocean circulation
- Fronts
- Weddel Sea
- Ross sea polynyas
- salinity stratification
- melt water input
- fresh water redistribution
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