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Questions tagged [rivers]

This Tag is for Questions about Rivers and why/how they operate in a certain way, or if the Question talks about a subject or point that revolves around Rivers, streams and et cetera.

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31 votes
5 answers
60k views

Is it possible for rivers to freeze completely and stop flowing?

Is it possible for rivers to freeze completely in the winter and stop flowing? Are there known examples of this? If yes, how large can these rivers be and where does the water go? There are several ...
Glacialis's user avatar
  • 682
78 votes
21 answers
63k views

Are there any saltwater rivers on Earth?

I'm curious if there are any saltwater rivers on Earth. These would presumably arise if a saltwater lake had a river outlet to the ocean. However, all the saltwater lakes I looked at (Caspian Sea, ...
DrZ214's user avatar
  • 2,175
35 votes
9 answers
12k views

Is there any river that does not discharge into larger body of water?

Do you know any example of a river that does not flow into sea or lake? For example, if water rises from the underground spring and forms a river but water vaporises in hot climate before it reaches ...
Hannelore Schmette's user avatar
26 votes
3 answers
38k views

Why are alpine river water green - blue?

I recently visited Slovenia where I saw several rivers with a strong blue-green color. Here is an example from one of the tributaries of the Soča river near Kobarid. The locals refer to it as an "...
Gimelist's user avatar
  • 23.2k
12 votes
2 answers
1k views

Undersea riverbeds?

On a meandering bit of research through Wikipedia, I was looking at the Google Maps location of Texas Tower 4. South-east of that location there is what looks like a river valley under the ocean. If ...
DuncanKinnear's user avatar