Abstract:Abstract. Overdeepened structures occur in formerly and presently
glaciated regions around the earth and are usually referred to as
overdeepenings or tunnel valleys. The existence of such troughs has been
known for more than a century, and they have been attributed to similar
formation processes where subglacial meltwater plays a decisive role. This
comparison highlights that (foreland) overdeepenings and tunnel valleys
further occur in similar dimensions and share many characteristics such as
gently sinuous s… Show more
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