Not to hijack this thread, I wonder if a river can support salt water flowing one way under fresh water flowing the other way.
(high tide in conjunction with heavy rains)
What would this be called?
Is this the kind of thing you’re asking about, Weeks?
Or are you just asking what salt water mixed with fresh water is called? I’ve always heard the term brackish used.
Hope this helps.
Well, that first link got really close to the answer. I guess it’s saying that if the forces are equal the mixing rate will be great, but what I wanted to know is: Can you measure a distinct difference between the direction of travel of water at the bottom of a river and of water at the top of a river?
Granted, the border between the two would be a mess but I’m looking at the top and bottom, appearantly.
I don’t think so. Now, th surface can be blown back by the wind, but rivers, by their nature, have to travel downstream, save obstructions. There could be some temporary exceptions.
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Look, if you don’t even bother to read my links, how can you possibly make an informed and reasoned response?
Rivers run “backwards” all the time!
I wasn’t even talking about reversing the flow of the river, I was talking about slipping a little salt water underneath it the other way!
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