CryoSat is able to measure the freeboard (the height protruding
above the water) of floating sea ice with its sensitive altimeter.
From the freeboard, the ice thickness can be estimated.
Credits: ESA /AOES Medialab
Scientists can now tap into a flow of new data that will help to determine exactly how Earth's ice is changing. This information from ESA's CryoSat mission is set to make a step change in our understanding of the complex relationship between ice and climate. (read more)