Fig. 2: Occurrence of industrial sites in permafrost dominated regions of the Arctic. | Nature Communications

Fig. 2: Occurrence of industrial sites in permafrost dominated regions of the Arctic.

From: Thawing permafrost poses environmental threat to thousands of sites with legacy industrial contamination

Fig. 2: Occurrence of industrial sites in permafrost dominated regions of the Arctic.

The permafrost model domain (permafrost occurrence probability >50%) is delineated based on the Northern Hemisphere Permafrost Map (NHPM)22 and the database of industrial sites is based on OpenStreetMap (OSM) and the 2019 Nordregio Atlas of Population, Society and Economy in the Arctic (APSEA). Background map is based on the National Geographic World Map58. While the industrial sectors Energy and Agriculture, Forestry and Other Land Use (AFOLU) account for the largest proportion of industrial sites among the clearly labeled data, more than 65% of the mapped industrial sites are not clearly labeled. This creates a large uncertainty in quantifying specific industry sectors and highlights the need for improved databases on industrial activities in the Arctic. Maps were created by using ArcGIS version 10.5 (Esri Inc., USA).

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