Evidence for warming of Atlantic water in the southern Canadian Basin of the Arctic Ocean: Results from the Larsen-93 expedition

Details Evidence for warming of Atlantic water in the southern Canadian Basin of the Arctic Ocean: Results from the Larsen-93 expedition Evidence for warming of Atlantic water in the southern Canadian Basin of the Arctic Ocean: Results from the Larsen-93 expedition

May 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22.1061c&link_type=abstract

Geophysical Research Letters, Volume 22, Issue 9, p. 1061-1064

Mathematics

Logic

77

Oceanography: General: Arctic And Antarctic Oceanography, Oceanography: General: Climate And Interannual Variability, Oceanography: General: Water Masses, Oceanography: Physical: Fronts And Jets

Scientific paper

Potential temperature (Θ) and salinity (S) data obtained along the perimeter of the southern Canadian Basin north of the East Siberian Sea in 1993 aboard the CCGS Henry Larsen show higher temperatures in waters of Atlantic origin than in available climatological data for the Canadian Basin. In particular, a front is observed near the Mendeleyev Ridge which separates the cooler Atlantic waters of the Canada Basin for the warmer Atlantic waters observed in the Makarov Basin. The front is further characterized by a change in the Θ/S slope of Arctic thermocline water, and by thermohaline intrusions (Θ and S reversals) within the Atlantic layer. The idea that this warm variety of Atlantic water has come recently from the Eurasian Basin is supported by its higher level of the tracer CFC-11.

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