Abstract
As a result of the analysis of published sources, a database on paleotempertures for the Arctic and Subarctic regions was collected on the skeletons of marine invertebrates, marine palynomorphs, dinosaur teeth, analysis of the ability of reptiles to lay eggs at low temperatures, continental flora (CLAMP-analysis), on the presence of coal layers in continental sediments within Arctic region, on membrane lipids of glycerol and dialkylglycerol tetraether in marine sediments and glendonite. Based on it, a paleotemperature curve was constructed for the Arctic region for the Cretaceous-Cenozoic span of geological history, which has common trends with the global paleotemperature curve [Scotise, 2015] (with the exception of cooling in the Tortonian age due to local factors). In the climatic history of the Arctic 16 climatic cycles have been established, comprising 16 climatic minima (including the glaciation in the Northern Hemisphere) and 15 climatic maxima.
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