The action of glaciers combined with the structure of the rock to form this little platform, probably once a small lake enclosed between a moraine at the mountain side and the ice in the valley. Now it has become a green haven in the mountain landscape, a perfect place for an alp. In the Alps, …[Read More]
glacial
Geosciences column: Playing back the Antarctic ice records
Satellites are keeping tabs on the state of Arctic and Antarctic sea ice, and have observed considerable declines in ice extent in many areas since records began, but what do we know of past sea ice extent? Ice cores keep an excellent record of climate change, but until recently, ice cores have not been used …[Read More]