The lake.
Water is surrounded by the soil, often occur in the basin, the land or the area with water trapped. A river flows into the sea through the freshwater lake, over the Great Salt Lake And the size and depth are different.
The type of the lake.
1. Lake caused by variable morphology tectonic process include lake and lake basin, the valley of the volcano.
2. Lake caused by leveling the land, including the lake to the skin caused by glaciers. The lake caused by the action of the sea, lake caused by the river.