A joint American-Dutch team from the Jet Propulsion Laboratory Delft University of Technology and the Netherlands Institute for Space Research have published a paper in the September 2010 issue of [i]Nature GeoScience[/i].
This analyses recent data from GRACE satellites GPS measurements on land and sea floor pressure measurements and corrects for deformations of the Earth’s crust which have a considerable effect on the amount of ice that is estimated to be melting each year.
The researchers have concluded that the Greenland and West Antarctica icecaps are melting at approximately half the speed originally predicted and the average rise in sea levels as a result of the melting is also lower. The previous estimate for the Greenland icecap was ice melting at a rate of 230 gigatonnes a year which would result in an average rise in global sea levels of around 0.75mm a year. For West Antarctica the previous estimate was 132 gigatonnes a year.
There are a lot of other articles on the ice melting at the link below.
ScienceDaily. Retrieved October 3 2010 from http://www.sciencedaily.com /releases/2010/09/100906085152.htm