Atlantic Water Circulation in the Canada Basin

Résumé

Circulation of the Atlantic water layer in the Canada Basin of the Arctic Ocean is re-examined using the numerous data acquired in the last decade. Methods of analysis were (1) the core layer method as used ten years previously, (2) a 500/1000-decibar dynamic topography, and (3) the available direct current measurements. The results confirm the general anti-cyclonic circulation deduced previously which has a transport of about 0.6 sverdrups. A new feature is described: a sub-surface counterflow moving southeast along the eastern slope of the Chukchi Rise with a transport of about 0.3 sverdrups.