The basic Arctic heat budget 321 Overview

With the basic role of the Arctic in the global climate system established, focus turns to the energetics of the Arctic itself. Following the framework of the classic paper by Nakamura and Oort (1988), we consider the heat budget of a simplified northern polar cap, taken as the region from 70° to 90° N. Additional information can be found in Piexoto and Oort (1992). Following discussion of the budget equation, we examine the mean annual cycle of the budget terms, drawing strongly from NCEP/NCAR data sets. Further characteristics of the atmospheric transports are then reviewed drawing from the study of Overland and Turet (1994).

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