Re: Dose Rates vs. Altitude

["Ron L. Kathren" <rkathren@tricity.wsu.edu>]

Cosmic ray dose rate roughly doubles every 5000 feet (1800 meters).  It also
depends on latitutde to some degree.  See my book, "Radioactivity in the
Environment",  pp. 27 ff.

Ron Kathren


-----Original Message-----
From: Thomas Gleich Harrison <tomh@jove.acs.unt.edu>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Wednesday, December 01, 1999 12:15 AM
Subject: Dose Rates vs. Altitude


>
>RADSAFERS: A quest for data on dose rates Vs altitude: I've recently had a
>request from a American Airlines pilot concerning dose rates versus
>altitude for air crews inside aircraft. Apparently this pilot's daughter
>was taken aloft with a GM counter in hand and the meter response startled
>all on board. I know this data exists somewhere but I am hoping someone
>can direct me to where that might be... or supply me with dose rate data
>between 10,000-50,000 feet or so for aircrews.
>
>Maybe next time I will take my own GM for some first hand data. Also, the
>daughter wanted to conduct a high school lab experiemnt with her dad
>whereby she wore a TLD on the ground while her dad wore another while
>flying...... any comments ???
>
>Thanks Much,
>
>Tom Harrison
>RSO
>Univ of North Texas
>Denton, TX
>e-mail: tomh@facstaff.cas.unt.edu
>
>
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