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Re: air blowing out of an old mine





On Wed, 16 Sep 1998 12:18:13 -0700 (PDT) jmclean@chem.ucsd.edu (James
Mclean) writes:

In any case, the expected effect on air is clear. In a mine with
multiple openings at different heights, it should blow down in the
summer and >up in the winter. Now whether that matches the observed
behavior is another
question!!!


Please explain. Why should air blow DOWN a mine shaft during the summer?
In the summer the air is warm.

Herb Gottlieb from New York City
(Where warm air is less dense than cold air and rises in convection
currents)