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Understanding Heat Exchange and Freshwater Dynamics in Ocean Systems

Exploring heat exchange, freshwater dynamics, and CO2 flux in ocean-atmosphere interactions. Investigating the impact of solar and terrestrial radiation, evaporation, and precipitation on surface and deep convection processes in the Weddell Sea. Analyzing the role of stratification and pycnocline in heat flux variations and sea ice cover changes.

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Understanding Heat Exchange and Freshwater Dynamics in Ocean Systems

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  1. Heat Exchange: Qtotal = Qs -(Qb + Qe + Qh) Freshwater Exchange = Precipitation - Evaporation Qs, 168 watts/m2 Short wave solar radiation Qh 24 watts/m2 Qb, 66 watts/m2 long wave terrestial radiation Qe, 78 watts/m2 evaporation

  2. Heat Flux between the ocean and atmosphere Heat Exchange: Qtotal = Qs -(Qb + Qe + Qh)

  3. Net CO2 Flux from Takahashi et al., 2002

  4. northward southward northward southward

  5. Surface Deep Bottom

  6. convection

  7. Stratification under a full sea ice cover, Weddell sea There is a lot of subsurface heat, separated from the surface mixed layer by a weak pycnocline. Slight changes in stratification would induce big changes in vertical heat flux and of the winter sea ice cover

  8. Open ocean convection

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