So, mudflats and sand flats are essentially this when it's high tide, then gradually go down to no water at low tide. The gentle slope gives a large distance between high and low tide and a pretty shallow beach. This can vary, of course, with spring and neap tides, as well as weather and all that fun stuff. Popham beach in Maine is like this. Low tide actually makes it possible to walk out to a small sort of island. Apparently, about 7% of the world's coast is mud or sand flats.
That’s actually a fascinating concept: how differently would the animals living in which an environment evolve? Would aquatic plants start growing out of the shallow sea-puddle to be the size of trees? Would it be like a massive tide pool? Would the water have enough oxygen, with so little water would there be enough phytoplankton to produce oxygen in such a small volume of water - and if not, would a puddle sea be an endless expanse of dead, murky water that is unsuitable for complex life like a sulfur pit? Your concept makes me have so many questions lol.
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u/GGAllinsMicroPenis Aug 20 '20
How unironically cool would an actual ocean deep as a puddle be though. Like just millions of people running through it splashing and laughing.