Arctic Ice freeboard (thickness)
Ice freeboard (in meters) estimates from Cryosat-2 in March 2011, 2012 and 2013. Freeboard is used as a proxy for ice thickness.
NOAA
Ice freeboard (in meters) estimates from Cryosat-2 in March 2011, 2012 and 2013. Freeboard is used as a proxy for ice thickness.
NOAA