2007-09 Northwest Passage Envisat ASAR
Envisat ASAR mosaic of the Arctic Ocean for early September 2007, clearly showing the most direct route of the Northwest Passage open (orange line) and the Northeast passage only partially blocked (blue line). The dark grey colour represents the ice-free areas, while green represents areas with sea ice. Source: http://www.esa.int/esaCP/SEMYTC13J6F_index_1.html
Click to view full-size image…
—
Size:
83.5 kB
