Lagg (landform)
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Description
A lagg is an area of wetland, especially at the edge of raised bogs, in which water collects.[2] It is often markedly different from the terrain either side and may consist of a morass of shrubs and murky water.[1]
In addition to water gathered from surrounding uplands, the lagg also picks up water flowing down from the domed centre of a raised bog through small channels - soaks or water tracks - to the steeply sloping shoulder or rand of the bog. At the foot of the rand, the water collects and meets the water of the surrounding area on the boundary between the peat soil and mineral soil.
