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re: is it true that the river will wash away sediment when it....
Posted on 5/23/11 at 9:10 am to bbrownso
Posted on 5/23/11 at 9:10 am to bbrownso
It was actually kind of close to right. In addition to saturation and scouring, if the water levels drop too fast and the speed of the water decreases quickly the pressure onthe levees from the river will increase quickly also. As velocity of a fluid increases, pressure decreases and vice versa. It seems like the most dangerous scenario would be a quick decrease in the water level followed by another increase in the level.
3
Posted on 5/23/11 at 9:44 am to PaddlingTiger
Ag is spot on. The saturated soil (Think mud) above the dropping water line has lost the bouyancy provided by the water. The term 'mud slide' comes to mind.
Posted on 5/23/11 at 10:47 am to PaddlingTiger
I understand the principle. But his example was horrible and more aptly described erosion than Bernoulli's principle. And I don't think I was the only one that reached that conclusion.
Also, you did a much better job explaining the principle than he did. And your explanation does explain how planes fly.
Also, you did a much better job explaining the principle than he did. And your explanation does explain how planes fly.
Posted on 5/23/11 at 1:11 pm to PaddlingTiger
What is so hard to understand about this? It has nothing to do with the speed of the water in the river. It has to do with the level of the water inside the levee vs level of the water in the river.
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