Overlay many contours

From: louis Vonder <appopson_at_nyahnyahspammersnyahnyah>
Date: Fri, 13 Feb 2009 17:09:51 +0000 (GMT)

Dear Ncl users,

I am trying to plot the mean position of the ITCZ   during 5 year.
For this purpose I am using the mean position of meridional wind at 1000 hPa.
The position of ITCZ is identified by the Contour "0" of meridional wind.

For each year concerned by my study, I want to plot contour (V=0), and overlay the 5 curves obtained.

But the NCL function "overlay" can only overlay 2 curves !

How can I proceed?

There is another NCL function which can be use to perform this task?


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Received on Fri Feb 13 2009 - 10:09:51 MST

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