[MITgcm-support] 1851 Input choice

[Tudino, Tobia]

Hi Martin,

thanks for clarifying it and sorry for my previous misunderstanding mail.
The issue is that I need an empmr distribution in order to give the model the freshwater fluxes, but, up to know, I have been able to find a global precipitation distribution but both the evaporation and the runoff have been built with reanalysis for 1851 only on the land. Therefore, I am not able to estimate the Empmr=Evaporation-Precipitation-Runoff for the ocean for that period.

Regards,

Tobia

Tobia Tudino
tt282 at exeter.ac.uk<mailto:tt282 at exeter.ac.uk>
PhD Student
Geography
College of Life and Environmental Science
Skype: tobia.tudino



On 01 Sep 2015, at 10:07, Martin Losch <Martin.Losch at awi.de<mailto:Martin.Losch at awi.de>> wrote:

Tobia,

runoff is probably not critical and you could consider using a climatology.
Do you want to force the model with net heat flux and net fresh water flux alone? Often, these “hindcast" experiments are forced by downward radiation, wind and preciptation (and runoff). Then, upward radiation, wind stress and evaporation are computed by bulk formulae from the ocean state (and the forcing fields). Have a look at EXF_OPTIONS.h for example combinations (and the appropriate CPP-flags that you need to specify).

Martin

On 31 Aug 2015, at 12:25, Tudino, Tobia <tt282 at exeter.ac.uk<mailto:tt282 at exeter.ac.uk>> wrote:

Dear all,

I would like to run a MITgcm run for the entire industrial era.
However, although I have found all the main forcing files for 1851 (http://www.esrl.noaa.gov/psd/data/reanalysis/reanalysis.shtml), I cannot identify any reanalysis at global scale for both the runoff and the evaporation.
This means that I cannot estimate the empmr.bin and, so, i cannot rune the model since that specific year.

Any suggestions?

Thanks in advance

Tobia

Tobia Tudino
tt282 at exeter.ac.uk<mailto:tt282 at exeter.ac.uk>
PhD Student
Geography
College of Life and Environmental Science
Skype: tobia.tudino



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