Last updated on April 16, 2014 at 21:23 EDT
Rainforest river Brazil
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Rainforest river, Brazil

November 14, 2012
This image from the Envisat satellite shows the Juruá River snaking through the Amazon rainforest in western Brazil. Along the river’s main course are free-standing ‘oxbow lakes’, formed when a river changes course. This image is a compilation of three images from Envisat’s radar, acquired on 2 January, 1 February and 3 March 2012. The individual images are each assigned a colour – red, green and blue – and when combined, reveal changes in the surface between Envisat’s passes.