Why does the ocean smell at low Tide?

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asked May 23 in Other-Environment by PinoyBeast (1,920 points)
Why does the ocean smell at low Tide?

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answered 3 days ago by Crazytoaster (35,090 points)
The reason why the ocean smells at low Tide is because of the dimethyl sulphide that is produced by bacteria as they digest dead phytoplankton.

During low Tide of the ocean you can also smell chemicals called dictyopterenes that are sex phereomones and are produced by seaweed eggs which attract the sperm.

Hydrogen sulfide is a naturally-occurring gas that causes an odor that can be described as anything from rotten eggs to that of tidal flats at low tide.

At high concentrations, it will oxidize in the water when it is released from a faucet and will cause a black stain.

Thanks to All the Plankton.

It seems that the molecule that makes the most significant contribution to the aroma of the sea and ocean is dimethyl sulfide (DMS), a very common and highly studied molecule comprising a sulfur atom bonded to two methyl groups.

High and low tides refer to the regular rise and fall of the ocean's waters.

High tide occurs when water covers much of the shore after rising to its highest level.

Low tide is when the water retreats to its lowest level, moving away from the shore.

The alternating advance and retreat of seawater along a coastline is called a tide.

High tide is when water advances to its furthest extent onto the shoreline.

Low tide is when it recedes to its furthest extent.

Some freshwater rivers and lakes can have tides, too.

Ocean Tides are caused by the gravitational forces exerted on the earth by the moon, and to a lesser extent, the sun.

When the highest point in the wave, or the crest, reaches a coast, the coast experiences a high tide.

When the lowest point, or the trough, reaches a coast, the coast experiences a low tide.

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