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Re: hovering diversity (was Re: Ornithurine diversity)




----- Original Message ----- From: "Erik Boehm" <erikboehm07@yahoo.com>
To: <dinosaur@usc.edu>; <mrowe@lifesci.ucsb.edu>
Sent: Tuesday, July 15, 2008 9:07 AM
Subject: Re: hovering diversity (was Re: Ornithurine diversity)




In this case the "something else going on" is the way the bluffs alter the airflow such that there is an upward component/lift

That's correct, and it is also the reason that they usually don't do it very far away from the cliffs. The upward component of the flow diminishes rapidly as you move further away from the cliffs.
JimC