Table 2.

Transport of dissolved inorganic carbon across the rim of the Arctic Ocean, decomposed into overturning and diffusive components, and into major water masses. Positive values represent a source of carbon to the atmosphere.

layer (density class, kg m−3)Embedded Image (Tg C yr−1)Embedded Image (Tg C yr−1)TC (Tg C yr−1)
Surface and Subsurface Waters (σ0 < 27.1)−832−77−910
Atlantic Water (σ0 > 27.1, σ0.5 < 30.28)2042−282014
Intermediate and Deep Waters (σ0.5 > 30.28)−13256−1319
Full depth−115 ± 49−99 ± 49−214 ± 49