[RegCNET] how to adjust the lambert projection?

[bixq]

Hi, Yan:

On Sun, 9 Aug 2009, Yan Libin wrote:

> Dear all,
> According to
> 2, back to Terrain, reconsider your domain setting, and make "the map
> factor fields as close to 1 as possible" by tuning the map projection,
> and the two ture latitutes (if you use the LAMCON). ---Dr. Bi
>
> If my latitude center is 35, i adjust two true latitudes to 20 and 50.
> is it reasonable?

It's roughly OK. You'd better check the range of your xmap (dmap). The
key is to limit the maximum value of xmap.

Regards,
Bi Xunqiang
>
> Best regards,
> Libin Yan
>
>
>
> On Mon, 29 Jun 2009, Suman Maity wrote:
>> i am facing problem at the time of regcm running.i have taken grid
>> resolution=30 km.my domain is indian domain( 30E-120Eand 15S-45N).i
>> want to run the model from 15th march to 31th may.terrain and icbc
>> step is going fine.when i am running the model then it stops after one
>> day giving the error "floating exception".i have run the model almost
>> thousand times but it is giving the same problem.
> Once there is NaN, it's no useful to keep running jobs. You have to go
> back
> 1, back to Run, edit regcm.in, reducing the basic timestep dt;
> 2, back to Terrain, reconsider your domain setting, and make "the map
> factor fields as close to 1 as possible" by tuning the map projection,
> and the two ture latitutes (if you use the LAMCON).
> 3, for south Asia domain, the NORMER is not a good option if your domain
> extended 40N north, you'd better use LAMCON or ROTMER.
> Regards,
> Xunqiang Bi
>
> 2009-08-09
>
>
>
> Yan Libin
>

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   Dr. Xunqiang Bi         email:bixq at ictp.it
   Earth System Physics Group
   The Abdus Salam ICTP
   Strada Costiera, 11
   P.O. BOX 586, 34100 Trieste, ITALY
   Tel: +39-040-2240302  Fax: +39-040-2240449
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