On Mon, 18 Apr 2005 03:07:31 -0500, someone wrote:


Assume Mississippi drains the center half of the country (from Rockies to
Appalachia). That is, 1500 miles E-W, and 1000 miles N-S. Further assume
this area gets 50" of rainfall per year. Turn crank.

Any allowance for evapotranspiration? Not all the rainfall must drain
out as a liquid. In some climates, this accounts for a very
significant proportion of the annual rainfall.

We did this back in 9th grade Earth Science.


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