Sentences with phrase «subsequent snow accumulations»

When firn is buried beneath subsequent snow accumulations, density increases as air spaces between the crystals are reduced by mechanical packing and plastic deformation until... interconnected air passages between grains are sealed off into individual air bubbles (Herron and Langway, 1980).

When firn is buried beneath subsequent snow accumulations, density increases as air spaces between the crystals are reduced by mechanical packing and plastic deformation until... interconnected air passages between grains are sealed off into individual air bubbles (Herron and Langway, 1980).