[MITgcm-support] Error with Arctic configuration and runoff file

[gmail]

Hi matt, 
Thanks for the suggestion,  I forgot to mention my data.exf is configured for:
runoff_interpMethod = 0,
The runoff is indeed a 12 month climatology.
In my tests I have tried the configuration you suggest and the same error is thrown.
All the best,

Alessandro

> On 17 Feb 2016, at 18:09, Matthew Mazloff <mmazloff at ucsd.edu> wrote:
> 
> Hello
> 
> Is your runoff input a 12 month climatology without need for interpolation. If so you need only:
> 
> In   &EXF_NML_02
> runoffperiod      = -12,
> and obviosly set runoffFile
> 
> and in  &EXF_NML_04
>  runoff_interpMethod = 0,
> 
> That works for me...
> 
> Matt
> 
> 
> 
>> On Feb 17, 2016, at 9:45 AM, gmail <mozzatoale at gmail.com <mailto:mozzatoale at gmail.com>> wrote:
>> 
>> Dear MITgcm users,
>> 
>> I am currently running an Arctic configuration of the MITgcm in 3 different resolutions: 36km, 18km and 9km.
>> I started using the ERA  dataset for forcing and all three worked fine. 
>> 
>> I have now switched to the CORE2 dataset forcing and setup my data.exf following the one I found here:
>> http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/gael/verification/global_oce_llc90/input.core2/ <http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/gael/verification/global_oce_llc90/input.core2/>
>> 
>> This new setup works fine on the 36km configuration producing satisfying results.
>> The problems arise with the 9km and 18km configuration. More specifically the problem seems to be related to the runoff.
>> Both configurations throw the following error:
>> 
>> forrtl: severe (36): attempt to access non-existent record, unit 9, file /hpcdata/scratch/am8e13/CORE_data/runoff-corev2_360x180x12.bin
>> 
>> Here is a copy of my data.exf:
>> https://github.com/AlessandroMozzato/notebooks/blob/master/data.exf <https://github.com/AlessandroMozzato/notebooks/blob/master/data.exf> 
>> 
>> I have checked the file in MATLAB and it seems fine and with the right dimensions.
>> I have also tried to substitute the runoff from the CORE dataset with the runoff from the ERA dataset and the same error is produced. 
>> I have tried both of these setups for the data.exf:
>> 
>>  runoffstartdate1  = 19470115,
>>  runoffstartdate2  = 120000,
>>  runoffperiod      = 2628000.0,
>>  runoffperiod      = 2592000.0,
>> 
>> and:
>> 
>>  runoffperiod      = -12,
>> 
>> Finally I have added the following lines to the data.exf
>> 
>>  runoff_lon0       = 0.50D0,
>>  runoff_lon_inc    = 1.0D0,
>>  runoff_lat0       = -89.5D0,
>>  runoff_lat_inc    = 1.,
>>  runoff_nlon       = 360,
>>  runoff_nlat       = 180,
>> 
>> It is also worth noticing that removing the runoff file from data.exf solves the problem and the model runs fine. 
>> I suspect this could be an easy fix but I couldn’t figure it how.
>> 
>> Every suggestion would be greatly appreciated!
>> 
>> All the best,
>> Alessandro
>> 
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