L’articolo “Tropical cyclone effects on Arctic Sea ice variability” degli scienziati del CMCC Enrico Scoccimarro, Silvio Gualdi e Antonio Navarra è stato recentemente pubblicato sulla rivista scientifica Geophysical Research Letters (Vol. 39, L17704, 6 PP., 2012).

Questo l’abstract di presentazione dello studio

In recent years increasing interest has been put on the role that
intense Tropical Cyclones can play in the climate system. The paper
“Tropical cyclone effects on Arctic Sea ice variability” is aimed at
highlighting the effects of strong Tropical Cyclones over the Tropical
Atlantic on the mean climate. Their composite effect on the surface
winds is made apparent by a wide cyclonic perturbation that affects a
large portion of the Atlantic tropical Ocean. Teleconnection patterns,
which are visible in the Sea Level Pressure anomalies associated with
this Tropical Composite Cyclone, appear to link the activity of the
hurricanes to the Arctic Ocean. A significant negative correlation
between the energy dissipated by hurricanes in the Tropical atmosphere
and the sea ice cover along the Transpolar Drift Stream path, has also
been found.

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