There is a phenomenon in the Gulf of Alaska where two oceans meet, but they do not really mix, but remain separate. The image of this phenomenon is very popular on social media. This has led to a lot of debate in the scientific world.
Why do they not mix?
There are two main reasons behind this phenomenon:
1) Difference in water density
The water in one part of the Gulf of Alaska is fresh water that is formed by melting ice. Fresh water has a lower density than salt water. Therefore, the less dense fresh water does not mix easily with the more dense salt water. The two remain separate.
2) Difference in water temperature
The two ocean waters have different temperatures. Cold water and warm water do not mix quickly. This helps to keep them separate.
3) Presence of soil:
The water that melts from glaciers in Alaska contains a large amount of soil and other minerals. This water has a special color. Iron is also found in this water. However, its presence in ocean water is very low. Therefore, water containing iron stands on one side and water without it stands on the other.
It is unlikely that there will be a boundary line separating these two oceans. However, due to the difference in the chemical properties of the water, a phenomenon can be seen here where they do not mix easily. This is not a permanent phenomenon, but temporary. When there are strong winds and waves, these two waters will eventually mix.
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