BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Talks.cam//talks.cam.ac.uk//
X-WR-CALNAME:Talks.cam
BEGIN:VEVENT
SUMMARY:A stratospheric link between sea ice variability and European weat
 her - Paolo Ruggieri \, University of L'Aquila\, Italy
DTSTART:20150616T120000Z
DTEND:20150616T130000Z
UID:TALK59732@talks.cam.ac.uk
CONTACT:Mike Davey
DESCRIPTION:The rapid decline of ice cover in the Arctic has instilled gre
 at interest in the atmospheric community.\nRecent results suggest that sea
  ice loss in the Barents and Kara seas (B-K) in autumn and early winter ca
 use a weakening of the stratospheric polar vortex in the subsequent months
 . The lowering of the intensity of the polar vortex is one of the key aspe
 cts of the well known Arctic Amplification\, i.e. the faster warming of th
 e Arctic compared to the rest of the world.\n   The interaction of the pol
 ar vortex with other features of the atmospheric circulation can potential
 ly extend the link to other regions in the troposphere\, expanding the spa
 tial scale of the impact. A mechanism regarding the troposphere-stratosphe
 re interaction in the context of sea ice is analysed in this talk\, with a
  focus on the Euro-Atlantic sector.\n  Results based on 18 years of reanal
 yses from the European Centre for Medium-Range Weather Forecasts are shown
  and compared with a simulation with a simplified Atmospheric General Circ
 ulation Model provided by the Abdus Salam International Centre for Theoret
 ical Physics. A potential link\, on an intra-seasonal time scale\, between
  sea ice variability in B-K and the circulation over the North Atlantic se
 ctor is discussed.
LOCATION:MR3\,  Centre for Mathematical Sciences\, Wilberforce Road\, Camb
 ridge
END:VEVENT
END:VCALENDAR