I went out on the boat yesterday about 3 nautical miles out there was a wavy line and on the inland side it looked like a cleaner blue and on the other side it was dark blue?
In: Earth Science
Is this near a river outflow? Assuming you’re not just seeing the coastal shelf drop off or something physical underneath the water, usually this happens where there are two radically different water bodies, like where a warmer freshwater river dumps into the ocean. The fresh water will rise above the salt water.
[For example, here’s where the Fraser river dumps into the Pacific just south of Vancouver CA in this video that explains it.](https://www.youtube.com/watch?v=qRClKxzJX9A) So what you’re seeing may not be quite as silty if its freshwater or you might be seeing the convergence of two different ocean masses of differing salinity.
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