Linked from
The 23 pages that link to Oceanography, each with the reason it gives.
MeteorologyRelated: Ocean heat and moisture exchanges shape atmospheric circulation and weather.
Fluid dynamicsRelated: Ocean currents and waves are fluid motions central to its physical study.
ClimatologyRelated: Ocean heat storage and circulation strongly influence climate variability.
Atmospheric physicsRelated: Atmosphere and ocean exchange heat, moisture, and momentum.