[RegCNET] BATS soil moisture subroutines and Postproc?

[Marshall L. Mdoka]

Hi All,

I have read most of the reference on Post processing and how it can help
with analysis. I have installed most of them but still have problems
addressing my previous problems such as viewing precip, air temp, winds in
SRFxxxxx.nc and vertical variables in ATMxxxxx.nc. Could someone please
kindly guide me with the process say from completing the simulation and I
have my SRFxxxxx.nc in output directory. I would be very grateful for a
step-by-step process to prepare final files that I can analyse,
differentiate, calculate biases etc using Grads thereafter. Maybe if I
could get an idea of how I can use the scripts in RegCM/bin for
postprocessing to get dailies /monthly files?

Trying to use ncdump shows me the variables I am seeking but how can I then
view them since there are not showing in the list after querying the file
using Grads?

>From what I have been trying using the output SRFxxxxx.nc. Here are some
errors I got:

1.
ga-> sdfopen SA_SRF.1997010100.nc
Scanning self-describing file:  SA_SRF.1997010100.nc
SDF file SA_SRF.1997010100.nc is open as file 1
LON set to -2.6e+06 2.6e+06
LAT set to -2.45e+06 2.45e+06
LEV set to -2.6e+06 -2.6e+06
Time values set: 1997:1:1:3 1997:1:1:3
E set to 1 1

ga-> d ts
Warning: Could not retrieve "_FillValue" -- using 1e+20 instead
Out of buffer space
Contouring: 284 to 302 interval 2

2.

Using cdo monmean SRFxxxxxxxxxx.nc SRFavg.nc gives this:

Warning (cdfSetVar) : Inconsistent variable definition for xlat!
Warning (cdfSetVar) : Inconsistent variable definition for xlon!
cdo monmean: Processed 64469790 values from 25 variables over 248
timesteps. ( 2.46s )

I am at the moment not exactly sure of the sequential steps to follow at
the Post-processing stage. There is a lot of given detailed guidelines in
RegCM-4.3.5.6 up until the simulation step. I would be grateful for any
assistance for this last processing step.

Kind regards,

Marshall




On Tue, Aug 6, 2013 at 5:34 PM, Marshall L. Mdoka
<marshall.mdoka at gmail.com>wrote:

> Dear Graziano,
>
> Thank you very much for immediate response. I will check on the
> subroutines.
>
> Postproc.in, I used it to as Post-processing step to create the final
> merged output file that I will then analyse for some of those variables
> (rt, t2m, ua, va etc) I have mentioned above. So it means I have to do the
> interpolation and time avergind steps you mention above before I can start
> my analyses. So I thought there was a mistake since I could not find
> postproc.in to include in the postprocessing of the simulations.
>
> Using ncdump -h to view a SRFxxxxxx.nc or ATMxxxxxx.nc shows more
> variables than can be viewed t if I open in Grads. That's why I raised it
> as I cannot view them.
>
> Thank you.
>
> Marshall
>
>
>
>
> On Mon, Aug 5, 2013 at 4:55 PM, Graziano Giuliani <ggiulian at ictp.it>wrote:
>
>> On 08/02/2013 03:10 PM, Marshall L. Mdoka wrote:
>>
>>> Hi RegCNETers,
>>>
>>> I wanted to find out if I want to do some soil moisture perturbations in
>>> BATs where do I find these programmes to change in RegCM-4.3.5.6? In
>>> RegCM3, there are interf.F and initb.F.
>>>
>> [...]
>>
>> Those subroutines are now in the module mod_bats_mtrxbats in the batslib
>> directory.
>>
>> [...]
>>
>>  As for postproc, I cant find postproc.in in any of the folders, could
>>> you
>>> please kindly assist me on how I should go about creating my final
>>> outputs.
>>>
>> Unclear what you mean by "final" output. What you were using the postproc
>> for?
>>
>> -) Interpolate to another grid -> Use cdo
>> -) Perform time mean -> Use cdo or nco
>> -) Interpolate to vertical pressure levels -> Use sigma2p
>>
>> [...]
>>
>>  I also noticed that using the test.001.in I get a few variables in
>>> SRFxxxxxx.nc ATMxxxxxx.nc etc. How can I increase the variables to
>>> include
>>> the uwind, vwind, T2m, rt which are missing but vital to what I want to
>>> do?
>>>
>> [...]
>>
>> ? Just ncdump -h the output file. The variables should be there.
>>
>> Graziano.
>>
>> --
>> Graziano Giuliani - Earth System Physics Section
>> The Abdus Salam International Centre for Theoretical Physics
>> Strada Costiera, 11 - I - 34151 Trieste Italy
>> ______________________________**_________________
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>>
>
>
>
> --
> Marshall L. Mdoka
> Head of Section
> Geography and Environmental Science,
> Monash South Africa,
> Private Bag X60,
> Roodepoort, 1725,
> Johannesburg, South Africa
> Tel: +27 (0)11 950 4105
> Fax: +27 (0)11 950 4166
> Cell: +27 (0)83 528 8553
> Email: marshall.mdoka at monash.edu
> Web: www.monash.ac.za
> Wholly owned by Monash University Australia
>
>


-- 
Marshall L. Mdoka
Head of Section
Geography and Environmental Science,
Monash South Africa,
Private Bag X60,
Roodepoort, 1725,
Johannesburg, South Africa
Tel: +27 (0)11 950 4105
Fax: +27 (0)11 950 4166
Cell: +27 (0)83 528 8553
Email: marshall.mdoka at monash.edu
Web: www.monash.ac.za
Wholly owned by Monash University Australia
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