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Original Articles

On the relationship between arctic sea‐ice anomalies and fluctuations in Northern Canadian air temperature and river discharge

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Pages 682-691 | Received 16 Aug 1988, Published online: 19 Nov 2010
 

Abstract

A lagged cross‐correlation analysis of climatic data from the period 1953–1984 was carried out for three regions of Northern Canada (Beaufort Sea, Hudson Bay, Baffin Bay/Labrador Sea) to determine the relationships between sea‐ice anomalies and surface air temperature and river discharge anomalies. Significant negative correlations at the 95% level were found between sea‐ice and temperature anomalies. A significant correlation at the 95% level was found between sea‐ice and river discharge anomalies in only one of two subregions studied.

Résumé

Afin de préciser les liens entre les anomalies d'étendue de la glace de mer, de la température de l'air en surface et du débit des fleuves dans trois régions du Grand Nord canadien (Mer de Beaufort, Baie d'Hudson, Baie de Baffin/Mer du Labrador), nous avons effectué une analyse des coefficients de corrélation (incluant divers décalages temporels) entre ces diverses anomalies pour les années 1953 à 1984. Des corrélations négatives significatives au niveau de 95% ont été mises en évidence entre les anomalies d'étendue de la glace de mer et de température. Une corrélation significative au niveau de 95% a également été trouvée entre la glace de mer et le débit des rivières dans une des sous‐régions étudiées.

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