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January 27, 2015

January 27, 2015

Posted by **Wilson** on Monday, March 23, 2009 at 10:20am.

- Math -
**bobpursley**, Monday, March 23, 2009 at 10:28amIsn't this Darcy's law?

- Math -
**Reiny**, Monday, March 23, 2009 at 10:28amI would seem to me that the velocity would be a function of many factors, including the height above the surface, the distance from the creek and the "permeability" of the subsurface, as seen in the data that you show.

You do not state how these are related and connected, and it would be unreasonable to expect anybody here to be familiar with such a topic.

Are they stated in the problem?

- Math -
**drwls**, Monday, March 23, 2009 at 10:34amDarcy's law for the volume flow rate is explained at:

http://biosystems.okstate.edu/Darcy/LaLoi/Basics.htm

For the velocity, you also need to know the porosity

- Math -
**Reiny**, Monday, March 23, 2009 at 10:48ambobpursley and drwls,

how presumptuous of me to assume that nobody would be familiar with this.

I forgot that you are engineering and physics experts.

This simple "number-cruncher" says sorry.

- Math -
**drwls**, Monday, March 23, 2009 at 11:10amNo problem. I'm a presumptuous math contributor. :-)

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