Fotografia lotnicza jako narzędzie do identyfikacji kopalnych poligonów mrozowych – przegląd literatury
Aerial photography as a tool in identification of fossil frost polygons - literature review

Summary/Abstract: The article is a literature review concerning the use of aerial photography in identifying fossil frost polygons.In Poland, research on this topic has been conducted since the 1970s and concentrated in Wielkopolska(a young-glacial area), where sand wedges formed in the glacial till of Wisła Glaciation. In order to cover the issuein a broader sense, the authors also provide examples and methods that have been applied in other areas of outsidePoland. The presence of anthropogenic objects (modern and archaeological), sometimes makes it difficult to detectfrost polygons. Under favorable conditions for soil moisture and land use, aerial photography based on visible radiationfacilitates the mapping of fossil frost structures that indicate the occurrence of Pleistocene permafrost.

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