Abstract
Abstract The potential role of early autumn sea ice extent as a Predictor of late autumn climatic anomalies is investigated with a coupled atmosphere-sea ice model. Two ensembles of four simulations, one with an initially large ice extent and one with a small extent, are made and a 30-day mean, late autumn climatic state is calculated for each ensemble. The mean states are compared in order to determine how the initial difference in ice cover evolves, whether statistically significant differences exist between ensemble-mean climatic states, and what mechanisms are responsible for the differences. The late autumn ice covers of the two ensembles differ principally in the thickness of ice rather than ice extent. Statistically significant regional differences in the 750 mb streamfunction and potential temperature exist but appear to be of limited value for forecasting midlatitude climatic anomalies. There is a stronger surface cooling of the atmosphere in the ensemble with thicker ice which is compensated by ...
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
