high resolution land sea mask

[Hai-Ru Chang]

Hello,
            There is a data file 'hires' included in grads package.
Dose anyone knows the detail of the file.  Can I use it as a land sea
mask?  Thanks!




Dr. Hai-Ru Chang
School of Earth and Atmospheric Sciences
Georgia Institute of Technology
Atlanta, GA 30332-0340
tel: 404-385-4404

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