Sea ice and snow are key elements of the central Arctic system, and are tightly coupled to changes in the atmosphere and ocean. Today’s sea ice is thinner, younger, and drifts faster than the historical multi-year ice pack. However, modern climate models are still limited in their ability to reproduce the rapid changes this system is undergoing. Progress has been limited by observations of the processes governing the annual evolution.
The MOSAiC campaign 2019-2020 targeted improving understanding of this system with a year-long drifting platform across the central Arctic Ocean, as well as intensive remote sensing and modeling studies. This campaign provided the opportunity to monitor changes in various aspects of the ice and snow cover through the entire annual evolution. This session aims to begin synthesizing data from MOSAiC to better understand processes governing the evolution of snow and sea ice in the Arctic Ocean. We welcome studies using observations from the field campaign, remote sensing, and modeling, and especially that examine the interactions of changes in the sea ice and snow system with atmosphere, ocean, ecological and biogeochemical systems.
The MOSAiC campaign from September 2019 - October 2020 marked the largest polar campaign in history. The goal of the MOSAiC expedition was to take the closest look at the Arctic Ocean as the epicenter of global warming, and to gain fundamental insights to better understanding global climate change. Sea ice is a key component of the Arctic system, and so was a major focus of the scientific approach. Today, the Arctic sea ice is thinner and younger than in past decades. Researchers during MOSAiC had the opportunity to continually monitor various aspects of the sea ice and snow cover over the full annual cycle. Integration of findings with observations by other MOSAiC science teams will provide important insight into changes in the Arctic climate system.
More information on the MOSAiC expedition can be found at https://mosaic-expedition.org.
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