The ocean’s role in driving Antarctic sea ice predictability ...
Antarctic sea ice is a critical component of the climate system and acts as a vital habitat for Southern Ocean ecosystems. Understanding the drivers and physical processes influencing Antarctic sea ice predictability is of broad interest. This thesis presents a comprehensive investigation of the phy...
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| Format: | Thesis |
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University of Tasmania
2024
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| Online Access: | https://dx.doi.org/10.25959/26122237.v1 https://figshare.utas.edu.au/articles/thesis/The_ocean_s_role_in_driving_Antarctic_sea_ice_predictability/26122237/1 |
| Summary: | Antarctic sea ice is a critical component of the climate system and acts as a vital habitat for Southern Ocean ecosystems. Understanding the drivers and physical processes influencing Antarctic sea ice predictability is of broad interest. This thesis presents a comprehensive investigation of the physical processes underlying Antarctic sea ice predictability. This thesis investigated the predictability of sea ice and the upper ocean in the Weddell Sea region using outputs from a high-resolution global coupled sea ice ocean model; the Australian Community Climate and Earth System Simulator (ACCESS-OM2). Predictability in the ice and the ocean are consistent with each other and follow similar evolution. Oceanic predictability or ‘oceanic memory’ is the major source of memory underlying sea ice predictability. Oceanic memory in our analysis (i.e., the correlation between sea ice area and lagged upper ocean temperature), can be interpreted as residual thermal anomalies from sea ice processes lingering in the ... |
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