#ArcticScienceJournal #CircumpolarNorth #BaikalAmur Mainline #BovanenkovoRailway #AlaskaCanada Highway #InuvikTuktoyatukHighway #AlaskaRailroad #HudsonBayRailway #BaffinIslandCanada proposed railway #thermokarst #permafrost #PermafrostSlump #RangiferTarandus #caribou #InuvialuitSettlementRegion