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Krista Koeller @kristalerista.bsky.social · 27/02/2026

Watching the real time isostatic rebound of my roof after demolishing the ice dam and a sheet of icicles.

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Nick Barber 🌋 @volcannick.bsky.social · 27/02/2026

What isotopic mechanism is at play?

Three different types of isostasy a) Pratt (varying thickness); b) Airy (varying density); c) Flexural

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Nick Barber 🌋 @volcannick.bsky.social · 27/02/2026

Isostatic* lol

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Krista Koeller @kristalerista.bsky.social · 27/02/2026

😬 flexural. The heat distribution in my house is uneven and the snow in the middle has melted a lot more than the snow on either side, so the ice dam was worse in the middle.

A roof with an ice dam. There’s a section of the roof where the snow is shallower and the ice below it is thicker.

An ice dam is when snow melts on a roof but the water freezes when it gets to the edge. Eventually, that ice builds up and dams subsequent melt water. Sometimes it seeps between roof shingles and leads to a bad time.

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