<div>Thanks for everyone's input on this. I had always assumed that the yellow color came from oil or gasoline etc. leaking into the sea. The only thing that, to me, disputes the pollution theory is the fact that the captain tells Nadan: "It's his country...bleeding to death." That is why I assumed crude oil "bleeding" from the earth. But, after doing a little research, I found several sources that confirm the erosion theory. It seems that dirt carried into the ocean from rivers turns the water yellow (in the worst cases) or green (not quite as bad). Again, thanks to all.
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<div>Aaron Singleton<br><br> </div>