Sensitivity of the Amundsen Sea Low to Stratospheric Ozone Depletion
作者： Ryan L. Fogt , Elizabeth A. Zbacnik
DOI: 10.1175/JCLI-D-13-00657.1
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摘要: AbstractDramatic sea ice loss in the Amundsen and Bellingshausen Seas regional warming West Antarctica Peninsula have been observed over last few decades. Both of these changes are strongly influenced by presence Sea low (ASL), a climatological region pressure Sea. Studies demonstrated deepening ASL, particularly austral spring to lesser extent autumn, former related decreases underlying cyclone central pressures latter previously suggested be due stratospheric ozone depletion.This study further investigates sensitivity ASL depletion using geopotential height from suite chemistry–climate models (CCMs) as well historical simulations phase 5 Coupled Model Intercomparison Project (CMIP5). Overall, both model types capture mean characteristics although they notable positive biases at 850 hPa subdued s...
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