Answer:
I feel like it's Convection because if its dry , then the water comes over it and it warms it also the sun gives it light it's gonna be more warmer. So I think your answer will be Convection.
Step-by-step explanation:
Because conduction is Anything being warmed by objects touching.
And radiation is Anything being warmed by heat transferring through space.
And the meaning of Convection is Anything being warmed in WATER.
I hope this is right and I hope this will help you in any way!! <3