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dlev.gs

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Name

dlev - Differentiate variable with respect to lev.

Synopsis

dlev var [var_out] [-loglev]

Description

Differentiate variable vertically. Current Z dimension must be varying. To show help, simply run "dlev".

Options

var
Variable to be differentiated. You must specify variable name defined in the control file.
var_out
Result variable. if var_out is not specified, result is displayed on the screen instead.
-loglev
Use log(lev) instead of lev.

Examples

(1) Differentiate 500hPa U with respect to lev [hPa]

ga-> open u.ctl
ga-> set z 1 17
ga-> dlev u dudp
ga-> set lev 500
ga-> d dudp/100

Script source code