Tuesday, August 27, 2013

Gavia Pass

A photograph taken by my daughter of the lake (Lago Bianco) at Gavia Pass:
I think a  part of the Forni glacier is visible.

Later: I realize that, as an Australian, I have not thought clearly about the definition of glacier. The glacier you see in the picture is probably the Dosegu glacier. If a glacier is the abstraction of water flow over the landscape (as I described a river in the last post about the Black Forest) the extent of the glacier is all that ice which flows together to a stream. The Forni glacier flows into the Frodolfo whereas the ice you see flows first into the Gavia which then joins the Frodolfo, a tributary of the Adda, which is itself a tributary of the Po.

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