Dear all,
The following message has beeing rejected from the UGA list-server hosting
the DSSAT list, becaused it contained an attachment. As most subscribers are
not expected to be interested in this document, I'll not include its text in
the boby of this message.
Nevertheless, those interested on this doc are welcome to send me a message.
Thanks a lot,
Roger R. Rivero.
----- Original Message -----
From: "Roger Rolando" <[log in to unmask]>
To: "DSSAT - Crop Models and Applications" <[log in to unmask]>
Cc: ""Mohamed Abdalla"" <[log in to unmask]>; ""Arnold Salvacion""
<[log in to unmask]>
Sent: Tuesday, September 11, 2007 11:16 AM
Subject: Re: 10 x 10 grids. Spatial Analysis
>
> Dear all, specially Dr. Abdalla and Dr. Salvacion,
>
> Studying the documentation for spatial analysis is quite hard for me, and
> available time is very short between all my survival jobs.
>
> Here I attached a summarized doc for the first part of the DSSAT
> documentation on spatial analysis (Spatial Analisys Summary.doc, packed in
> a
> zip file), the remainder of the doc for the use on the DSSAT tools for
> this
> purpose is about 2 nb in packed format. I'll see forward to reduce its
> size
> to send it to you. But it is an exact copy of the remaining chapters of
> the
> section 4-2 of volume 4 of DSSAT 3.5 documentation which you can find in
> both DSSAT 3.5 and 4.0
>
> Refer specially to AEGISWIN, utility that still comes with DSSAT4 under
> the
> accesories tab at the left of the main application. Even under big
> changes,
> working principles would remain the same.
>
> I'll study this topics in more detail on a workshop that is expected to be
> held next month, sorry I can't be more useful this time.
>
> Best Regards,
> Roger Rivero
>
> ----- Original Message -----
> From: "Mohamed Abdalla" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, September 05, 2007 6:34 AM
> Subject: Re: 10 x 10 grids
>
>
>> Dear all,
>> In more details:
>> We are simulating the effect of climate change on a number of crops in
>> Ireland
>> (Winter wheat, spring barley, silage maize, potato, oil seed rape and
>> grass).
>> We are using a climate data which was downscaled from the Hadley Centre
>> global
>> climate model and give climate details for each 10X10km grid in Ireland.
>> the
>> simulation will be for each crop throughout the country. The question was
>> whether it is possible to put all the data in one run and how or to run
>> the
>> model for each grid seperately. Hopefully this will give you a clear idea
>> about
>> what I am doing. Thanks
>> Mohamed
>>
>>
>>
>>
>>
>>
>>
>>
>> Quoting "Sommer, Rolf (ICARDA)" <[log in to unmask]>:
>>
>>> Dear Dr. Abdalla,
>>>
>>> by now you already got a number of useful replies to your question, and
>>> there
>>> is not much that I could add.
>>>
>>> I got a bit curious reading your short project description in
>>> combination
>>> with your rather novice-question about DSSAT.
>>> Could you give me and the other DSSAT users some more clues about what
>>> you in
>>> detail are doing?
>>> 100 km2 cells, that's not actually small. Do you assume a single crop
>>> for
>>> each of these cells?
>>> What types of crops do you simulate?
>>> Do you assume that crop varieties will be fixed? (There could be some
>>> adaptation to climate change by changing varieties.)
>>> I assume that you have gathered sufficient details on crop physiology to
>>> describe crop response to rising CO2 and temperatures (day&night), maybe
>>> prolonged growing season, and water stress in some extremely dry years
>>> (to
>>> mention a few effects of climate change)!
>>> Could you share some of your experiences here?
>>>
>>> Best regards,
>>> Rolf Sommer
>>>
>>> ==============================================
>>> Dr. Rolf Sommer
>>> International Center for Agricultural Research
>>> in the Dry Areas (ICARDA)
>>> P.O. Box 5466, Aleppo, Syria
>>> Tel 00963 21 2213433
>>> and
>>> ZEF, Center for Development Research
>>> Department of Ecology and Resource Management
>>> University of Bonn
>>> Walter-Flex-Str. 3
>>> 53113 Bonn Germany
>>> Help save paper - do you really need to print this email?
>>> ==============================================
>>>
>>>
>>>
>>> > -----Original Message-----
>>> > From: DSSAT - Crop Models and Applications
>>> > [mailto:[log in to unmask]] On Behalf Of Mohamed Abdalla
>>> > Sent: Tuesday, September 04, 2007 19:01
>>> > To: [log in to unmask]
>>> > Subject: 10 x 10 grids
>>> >
>>> > Dear all,
>>> > We are trying to simulate the effect of climate change on crop yield
>>> > in
>>> > Ireland
>>> > using DSSAT. We have data for each 10 x 10 km grid of ireland. Do we
>>> > have to
>>> > run the model for each grid seperately or is it possibile to run it
>>> > for
>>> > all
>>> > grids together??.If any one can provide us with this information will
>>> > be
>>> > valuable for us at this stage. thanks
>>> > Regards
>>> > Mohamed
>>> >
>>> > --
>>> > Dr. Mohamed Abdalla
>>> > Ecophsiology and Climate Change Research Group
>>> > School of Natural Sciences
>>> > Trinity College Dublin
>>> > Dublin 2
>>> > Ireland
>>> > Tel: + 353(0)18963740, Mobile: + 353 (0)85 149 6206
>>>
>>>
>>
>>
>> --
>> Dr. Mohamed Abdalla
>> Ecophsiology and Climate Change Research Group
>> School of Natural Sciences
>> Trinity College Dublin
>> Dublin 2
>> Ireland
>> Tel: + 353(0)18963740, Mobile: + 353 (0)85 149 6206
>>
>>
>>
>
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