Ófrosin jörð / talik

Talik er ófrosin jörð á sífrerasvæði. Jörðin getur verið ófrosin vegna ýmissa ástæðna eins og til dæmis vegna áhrifa af hitaleiðni út frá yfirborðsvatni eða vegna þess að steinefnaríkt grunnvatn flæðir í gegnum hana og svo frv.

Talik er mikilvæg uppspretta vatns fyrir samfélögin á þessum svæðum.

 

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