Antarctic sea ice is a powerful climate regulator. At maximum seasonal growth, it forms a frozen solar reflector that covers 90% of the Southern Ocean. This seasonal growth also drives the global ocean conveyor belts through thermohaline circulation, Antarctic bottom-water formed in the region constituting between 30 and 40 % of the entire global ocean mass. These two colossal processes are foundations of the entire climate system and regulate the surface energy balance of the planet. Consequently, understanding change within this system is of critical importance given the far reaching effects of the poles on the global climate system. Sea ice extent, area and drift are routinely monitored by satellite in the Southern Ocean but very little is known about its thickness.
Sea ice research at Gateway Antarctica focuses on measuring sea ice thickness accurately from spaceborne and airborne sensors.
Additional research interests include ice sheet and ice shelf mass balance investigation and crevasse detection using satellite remote sensing techniques.
- Haas C., Langhorne PJ., Rack W., Leonard GH., Brett GM., Price D., Beckers JF. and Gough AJ. (2021) Airborne mapping of the sub-ice platelet layer under fast ice in McMurdo Sound, Antarctica. Cryosphere 15(1): 247-264. http://dx.doi.org/10.5194/tc-15-247-2021.
- Marsh OJ., Price D., Courville ZR. and Floricioiu D. (2021) Crevasse and rift detection in Antarctica from TerraSAR-X satellite imagery. Cold Regions Science and Technology 187 http://dx.doi.org/10.1016/j.coldregions.2021.103284.
- Rack W., Price D., Haas C., Langhorne PJ. and Leonard GH. (2021) Sea Ice Thickness in the Western Ross Sea. Geophysical Research Letters 48(1) http://dx.doi.org/10.1029/2020GL090866.
- Price D., Soltanzadeh I., Rack W. and Dale E. (2019) Snow-driven uncertainty in cryosat-2-derived antarctic sea ice thickness - Insights from McMurdo sound. Cryosphere 13(4): 1409-1422. http://dx.doi.org/10.5194/tc-13-1409-2019.
- Langhorne PJ., Hughes KG., Gough AJ., Smith IJ., Williams MJM., Robinson NJ., Stevens CL., Rack W., Price D. and Leonard GH. (2015) Observed platelet ice distributions in Antarctic sea ice: An index for ocean-ice shelf heat flux. Geophysical Research Letters 42(13): 5442-5451. http://dx.doi.org/10.1002/2015GL064508.