This animation shows the Arctic Ocean melt during the <a href="//commons.wikimedia.org/wiki/Summer" title="Summer">summer</a> of 2011.
Scientific Visualization Studio at NASA Goddard Space Flight Center
2011-09-09
<a rel="nofollow" class="external text" href="http://earthobservatory.nasa.gov/IOTD/view.php?id=52230">NASA Earth Observatory</a>