Environmental response to climate change in the Canadian High Arctic

Citations Over TimeTop 19% of 2000 papers

Abstract

Fosheim Peninsula is the largest interior lowland of the protected, anomalously warm, dry, Eureka Sound intermontane area, which lies in the circumpolar-vortex-dominated Canadian High Arctic. The climate of this latter region is characterized by high, longitudinal temperature variations, strong, persistent temperature inversions, and widely differing precipitation totals. Climate and related trends for 1961 to 1990 were used to delineate climate change regions around the circumarctic area and to examine their response to recent global climate conditions. General circulation model results for doubled CO2 scenarios show least agreement in this geographical area, with only a transient model with a coupled ocean circulation model reflecting the current observed trends. Because of the anomalous conditions of the Eureka Sound area within the eastern Canadian High Arctic and similarly of the latter region within the circumpolar Arctic, close monitoring and interdisciplinary research are warranted to understand the climate processes involved.

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