Glacier pit or penguin (D)

We are standing here on the edge of a glacier pit. A glacier pit or "penguin" is a
remnant of the Weichsel Ice Age. The frost at that time ensured that the soil
meters deep was permanently frozen. Nevertheless, the groundwater clears through crevices in the
soil to reach the surface. There it froze, but the water kept coming and
grew over the years into a high ice hill. Calling this ice hill
we a pingo. These were sometimes several hundred meters wide and could
be several tens of meters high. They were annular and lay like a species
lens on the ground. At first, such a pingo was still covered with a layer of soil,
But the higher the hill became, the more earth there was in the summer, when the ice was a little
went to melt, slid down. In this way formed at the foot of the
Pingo a ring wall. When the ice was completely melted, a bowl-shaped remained
low behind, in which water remained. This is called a penguin. Later
most lakes grew full of peat, except for the bottom of the penguin.
coarse sand existed, because then no water remained in the pit. Such dry
Penguins are often called glacier pits.

Nadine Lemmers