Using the monthly 1°×1°sea-ice concentration data of Hadley center and the monthly NCEP geopotential height data from January 1953 to February 2003,temporal and spatial changing characters of sea-ice
Totally 2472 grains of Radiolaria belonging to 36 Genera and 45 species are distinguished from 12 surface sediments in the Bering Sea. The distribution characteristics of Radiolaria fossils in the sur