Physics · Fluid Dynamics & Oceanography
Consider the following statements regarding the impact of tropical rainfall on ocean upper-layer stability: I. Rainfall always decreases upper-layer ocean stability by increasing density and promoting vertical convective mixing. II. Heavy rainfall in the tropics deposits freshwater, lowering salinity and creating stable fresh lenses that increase ocean surface vertical stability. III. Buoyancy flux is a combined metric that accounts for the simultaneous net effects of heat exchange and freshwater flux on ocean stratification. IV. Under strong daytime solar heating, freshwater input is less effective at stabilizing the ocean surface compared to nighttime cooling conditions. Which of the statements given above are correct?
- 1II, III, and IV only
- 2I, III, and IV only
- 3II and III only✓
- 4I and II only
Correct answer
II and III only
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