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The
ice in the Denmark Strait and along the north coast of Iceland is important for
the fisheries and other marine activities in this area. The ERS-1 SAR stripe is 100 km wide and 400 km long and covers the 300 km wide
strait between Greenland and Iceland (see map
). The image was taken in late winter (18 April 1994) when the ice extent can
be at a maximum. The ice cover extends 200 km from the Greenland coast, and several
individual floes can be observed.
The large floes, which can be more than 10 km in diameter, are multiyear floes which usually have brighter signature than the surrounding ice. In this image some multiyear floes are dark probably due to wet snow on top of the ice.
The Icelandic Meteorological Office produces ice maps in this region mainly based on direct observations and no use of satellite images. These maps, which show ice concentration and ice edge position, are much less detailed than ERS SAR images.
This map is from April 1982, when the ice extent was similar to April 1994.
NERSC, Bergen, Norway
Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry