[ferret_users] How can I change land value to missing value?

To: ferret <ferret_users@xxxxxxxx>
Subject: [ferret_users] How can I change land value to missing value?
From: Lu Wang <wanglu.air@xxxxxxxxx>
Date: Fri, 26 Feb 2010 12:00:39 -0500
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Dear users,

I am now using POP model output. In these data files, land values are set to 0.0. The x,y coordinates of property variables (e.g. temperature, u, v,w) are grid numbers. Longitude and latitude information of each grid can be got in two separated variables.

How can I change the land values 0.0 to missing value (e.g. -1E+34).

Any suggestion will be appreciated.

Lu

--
Have a nice day !

Lu WANG, Ph.D candidate
Department of Atmospheric Science,
School of Physics, Peking University,
Beijing, China, 100871

currently Visiting Student,
Department of Atmospheric & Oceanic Science,
University of Maryland, College Park, US, 20742

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