Image: 2007 Envisat mosaic of Arctic Ocean ESA210015
Description: 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.
Title: 2007 Envisat mosaic of Arctic Ocean ESA210015
Credit: http://www.esa.int/spaceinimages/Images/2007/09/2007_Envisat_mosaic_of_Arctic_Ocean
Author: European Space Agency
Permission: ESA,CC BY-SA 3.0 IGO
Usage Terms: Creative Commons Attribution-Share Alike 3.0 igo
License: CC BY-SA 3.0 igo
License Link: https://creativecommons.org/licenses/by-sa/3.0/igo/deed.en
Attribution Required?: Yes
Image usage
The following page links to this image: