THE HEAT BUDGET OVER THE ARCTIC OCEAN.
Final rept. for Sep 61-Jan 65,
MCGILL UNIV MONTREAL (QUEBEC)
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The aim of the studies was to assess, from average data, the magnitudes of the various terms in the heat budget of the surface and atmosphere of the Arctic. Also, is possible, to consider effects of variations in these terms. The method used was to examine each term in the energy balance equation in turn, and to calculate for grid points monthly mean values of the various processes. The investigation was not undertaken for oceanographic purposes but for heat balance calculations. Therefore, all the more detailed oceanographic material was disregarded, such as different water masses and stratification. Mas flux and temperatures for the various ocean currents into and out of the Arctic were examined. Runoff and precipitation were also studied. Ice export by the various currents was treated, and the heat gain by formation and export of sea ice was calculated. Finally, water balance and heat flux estimates were obtained for the Arctic and Polar Oceans, with the annual total heat gain, including that of ice.