🌊 Ocean Current

Density diff Δρ—
Circulation q—
Overturning (Sv)—
Heat transport—
Mode—
Stommel 2-Box Model
ρ = ρ₀(1 − α·ΔT + β·ΔS)
q = γ·Δρ/ρ₀

Cold, salty polar water sinks and drives deep ocean circulation. Freshwater from ice melt can weaken or collapse AMOC.