[ferret_users] Ferret's definition of the earth radius

To: ferret_users@xxxxxxxx
Subject: [ferret_users] Ferret's definition of the earth radius
From: Andy Jacobson - NOAA Affiliate <andy.jacobson@xxxxxxxx>
Date: Mon, 29 Feb 2016 08:18:40 -0700
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Hi,

I'm trying to track down a problem conserving tracer mass in the GEOS-Chem model, using an emissions module called HEMCO.  It has been suggested that differences may be due to conflicting definitions of the radius of the earth.  As it turns out, I used Ferret to do my regridding, so I'm trying to discover what value Ferret is using.  I found one definition in FERRET/fmt/cmn/gt_lib.parm (6371.e5 cm).  Is there anywhere else that a value for the radius of the earth is defined in the ferret source code?

Thanks,

Andy

-- 
Andy Jacobson
andy.jacobson@xxxxxxxx

NOAA Earth System Research Lab
Global Monitoring Division
325 Broadway R/GMD1
Boulder, Colorado 80305

303/578-2237

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