--- - description: ~ display_name: 'Thermal state of permafrost in North America: a contribution to the international polar year' doi: 10.1002/ppp.690 identifier: 10.1002/ppp.690 journal_identifier: permafrost-periglacial journal_pages: 117-135 journal_vol: 21 notes: ~ title: 'Thermal state of permafrost in North America: a contribution to the international polar year' type: article uri: /article/10.1002/ppp.690 url: ~ year: 2010