Glaciers Nature's Frozen Rivers Author:Hershell H. Nixon, Joan Lowery Nixon Down comes the snow, sometimes a drifting of tiny flakes, sometimes a swirling of flakes so thick that the sky is a sheet of blowing white. It is so cold that the snow doesn't melt. The snowflakes turn to ice crystals, eventually forming a solid field of ice. As the weight of the snow on top increases, the mass begins to move. It has become a gl... more »acier.
The authors tell about the different kinds of glaciers - valley, tidewater, retreating, piedmont, outlet - the rate of movement; where they are found; how icebergs are formed from glaciers; unique land formations that are caused by moving ice, including hanging valleys, cirques, horns, tarns, and fjords.
Final sections include a discussion of the ice ages and the use of glaciers for water supply and electric power.« less