| http://www.w3.org/ns/prov#value | - About three-quarters of the basin sits within permafrost zones???continuous and discontinuous.7,8 Discontinuous permafrost tends to be thinner, so regions with it are particularly at risk of partial or complete thawing and permafrost breakup by the middle of this century.2,13 Most of the Yukon Territory, as well as the Northwest Territories and the MacKenzie Valley, are in zones with scattered per
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