supported by the National Key Research and Development Program of China (Grant No.2018YFC1407206);Academy of Finland (Grant No.317999);European Union’s Horizon 2020 research and innovation programme (Grant No.727890-INTAROS)。
In August 2018,a remarkable polynya was observed off the north coast of Greenland,a perennial ice zone where thick sea ice cover persists.In order to investigate the formation process of this polynya,satellite observa...
The sea-ice concentration in the Northern Hemisphere, 500 hPa height, sea-level pressure and 1000-500 hPa thickness of monthly mean data are examined for the period 1953-1989, with emphasis on the winter season.Relati...