Re: plotting calipso 532nm backscatter

The CALIPSO data are noisy.
It is not NCL.

On 9/6/10 10:17 AM, p s wrote:
> Hi,
> I am using ncl to plot the 532nm Total Attenuated Backscatter data, but
> on comparing it with the image available from CALIPSO itself, I find my
> plot very noisy (see attached plots).
> Besides, the image also appears to have discontinuity at 3 levels, below
> 8.2km and then upto 20.2 km, and then higher than 20.2 km, which is
> coincidentally the regions where CALIPSO data has different vertical
> resolutions (30m and 60m and 180 m respectively). The region where
> vertical resolution is coarser, the plot appears to be smoother.
>
> I am just using "gsn_csm_contour" to do the contouring with explicit
> contour levels.
> And I attached the lat and altitude to the variable before plotting.
> Looking forward for any suggestion.
>
> Regards,
> Prabhakar
>
>
>
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Received on Mon Sep 6 20:24:51 2010