Table 1 Numbers of industrial and contaminated sites within the permafrost dominated region of the Arctic

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

Country

Number of industrial sites within the model domain (OSM-APSEA)

Number of contaminated sites in permafrost model domain

Estimated range of contaminated sites in permafrost model domain (PPM1 - PPM2)

Russia

3909

Own data collection through media research

8538–15149

Canada

484

2502

2308–2720

Alaska

343

1148

1186–1493

Greenland

46

No data

296–301

Svalbard

30

No data

306–681

Total

4494

No data

13047–19933

  1. The estimated numbers of contaminated sites are based on two point process models (PPM1 and PPM2). The two models represent the upper and lower bounds of the observed relationships between the spatial densities of industrial sites and contaminated sites.
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