[gradsusr] calculating El Nino SSTA

[MD ABDUS SATTAR]

Hi Andrew
I was trying to set tloop, but still facing difficulties. I prepared the
script as:
"reinit"
"sdfopen \Users\mq43879691\documents\test2\sst.mnmean.v4.nc"
"set t 1 1937"
"define ssta=ave(sst,t=1501,t=1933,12)"

"set lat 25"
"set lon 50"
"set lev 0"
"set t 1501 1933"


"d tloop(aave(ssta,lon=100,lon=170,lat=-5,lat=5))"

"d tloop(aave(sst,lon=100,lon=170,lat=-5,lat=5))"

I can display time series of El Nino by using sst value ("d
tloop(aave(sst,lon=100,lon=170,lat=-5,lat=5))"). However, I would like use
to ssta ("d tloop(aave(ssta,lon=100,lon=170,lat=-5,lat=5))") and when I use
this the following map is found. Could you please suggest me in this
regards?



[image: Inline image 1]


Thanking you

Abdus



On Fri, Sep 11, 2015 at 4:18 PM, Andrew Friedman <andfried at gmail.com> wrote:

> Hi Abdus,
> You may need to use ‘tloop’ with aave:
> http://www.iges.org/grads/gadoc/gradfunctloop.html
> Andrew
>
> On Sep 11, 2015, at 7:05 AM, MD ABDUS SATTAR <
> md-abdus.sattar at students.mq.edu.au> wrote:
>
> > Dear GrADS Team
> > I am trying to calculate time series of El Nino SST anomaly in January
> for a specific time period.
> >
> > I wrote my script as:
> >
> > "reinit"
> > "sdfopen \Users\mq43879691\documents\test2\sst.mnmean.v4.nc"
> > "set lon 100"
> > "set lat 25"
> > "set z 1"
> > "set t 1 600"
> >
> > "define ssta=ave(sst,t=1,t=600,12)"
> >
> > "define elnino = aave(ssta,lon=100,lon=170,lat=-5,lat=5)"
> >
> > "d elnino"
> >
> > The GrADS did not know show anything by this script. On the other hand,
> when I display only ssta setting lon 50 100 and lat 0 25; then it shows the
> ssta. Can anybody help me in this regards?
> >
> > I look forward to your suggestion.
> >
> > Regards
> > Abdus
> > --
> > Md. Abdus Sattar
> > PhD Student
> > Department of Environmental Sciences
> > Level 2, Australian Hearing Hub Building
> >
> > Faculty of Science and Engineering
> > Macquarie University
> > NSW 2109 Australia
> >
> >
> > Cell: +61404400401
> > Email: md-abdus.sattar at students.mq.edu.au
> >
> > AND
> >
> > Assistant Professor
> > Department of Disaster Risk Management (DRM)
> > Faculty of Disaster Management
> > Patuakhali Science and Technology University, Dumki, Patuakhali,
> Bangladesh
> >
> > Cell: +8801716851612
> > Email: abdus.sattar at pstu.ac.bd
> > _______________________________________________
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> > http://gradsusr.org/mailman/listinfo/gradsusr
>
>
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-- 
Md. Abdus Sattar
PhD Student
Department of Environmental Sciences
Level 2, Australian Hearing Hub Building

Faculty of Science and Engineering
Macquarie University
NSW 2109 Australia


Cell: +61404400401
Email: md-abdus.sattar at students.mq.edu.au

*AND*

Assistant Professor
Department of Disaster Risk Management (DRM)
Faculty of Disaster Management
Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh

Cell: +8801716851612
Email: abdus.sattar at pstu.ac.bd
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