Association of Polar Early Career Scientists

Sea-IceSea ice is defined as ice that grows in the ocean. It is an integral component in an intricate ecosystem that provides stability and nourishment in the food web in the Arctic and Antarctic regions. Though this is a significant component in ecological, biogeochemical, and geophysical systems at the poles, it also influences oceanic and atmosphere interaction on a global level. The physical structure of sea ice provides a significant contribution to Earth's ability to reflect and absorb incoming solar radiation. The reflectivity studied is known as albedo, which is the ratio of outgoing reflected radiation from the surface to incoming radiation. Optical properties in the different sea ice types, such as brine inclusions, air, and solid salts, govern the portion of incoming radiation that is reflected,absorbed, and scattered. Another important aspect of sea ice thickness pertains to the sea ice brine flux and its effect on thermohaline circulation (THC) affecting deepwater formation and upper ocean stability through saltwater and freshwater fluxes.


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APECS International Directorate
Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research
Telegrafenberg A45
14473 Potsdam
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