Scheduled Downtime
On Tuesday 24 October 2023 @ 5pm MT the forums will be in read only mode in preparation for the downtime. On Wednesday 25 October 2023 @ 5am MT, this website will be down for maintenance and expected to return online later in the morning.
Normal Operations
The forums are back online with normal operations. If you notice any issues or errors related to the forums, please reach out to help@ucar.edu

for help--initial dataset for CAM and SOM

O

ok8200@sina_com

New Member
when I run the CAM3.0 model with the slab ocean component turned on. The model is looking for the dataset:
cami_0000-01-01_64x128_T42_L26_SOM_c030918.nc

but I can't find this datasets,and There is a tiny clue in the Readme for defineqflux:
Another executable available (but hopefully unnecessary) in the definesomic
module is (also) called definesomic. It adds necessary SOM fields to an
initial dataset if they are not already there.
but I don't know how to achieve it.

Has anyone know how to get the initial dataset ,please help me ,thanks very much!
 
S

suvarchal_kumar@gmail_com

Member
instead point the namelist variable ncdata to other initial condition file ...

Suvarchal

astray said:
when I run the CAM3.0 model with the slab ocean component turned on. The model is looking for the dataset:
cami_0000-01-01_64x128_T42_L26_SOM_c030918.nc

but I can't find this datasets,and There is a tiny clue in the Readme for defineqflux:
Another executable available (but hopefully unnecessary) in the definesomic
module is (also) called definesomic. It adds necessary SOM fields to an
initial dataset if they are not already there.
but I don't know how to achieve it.

Has anyone know how to get the initial dataset ,please help me ,thanks very much!
Click to expand...
 
O

ok8200@sina_com

New Member
Sorry,I don't understand,detail it please.

and I think the model need the initial datasets :cami_0000-01-01_64x128_T42_L26_SOM_c030918.nc .other initial datasets may not success.how can I get the initial datasets?
 
S

suvarchal_kumar@gmail_com

Member
instead point the namelist variable ncdata to other initial condition file ...

Suvarchal

astray said:
when I run the CAM3.0 model with the slab ocean component turned on. The model is looking for the dataset:
cami_0000-01-01_64x128_T42_L26_SOM_c030918.nc

but I can't find this datasets,and There is a tiny clue in the Readme for defineqflux:
Another executable available (but hopefully unnecessary) in the definesomic
module is (also) called definesomic. It adds necessary SOM fields to an
initial dataset if they are not already there.
but I don't know how to achieve it.

Has anyone know how to get the initial dataset ,please help me ,thanks very much!
Click to expand...
 
S

suvarchal_kumar@gmail_com

Member
... but model forgets initial conditions after a period, so it shouldn't matter for som as you would leave some years of run for spin up. so use the default initial conditions available by specifying it in namelist(ncdata).
 
O

ok8200@sina_com

New Member
thank you for your reply.I try it ,use the initial datasets:cami_0000-09-01_64x128_L26_c030918.nc

but ,the running stop,when I submit the som.csh.
the error:srf states and fluxes
+6539 5:
+6540 5: ENDRUN:DH
+6541 6: INITEXT: ocnfrac= 0.858287186677061387E-01
+6542 7: INITEXT: ocnfrac= 0.477531558014702151E-01
+6543 8: INITEXT: ocnfrac= 0.480075522252987330E-01
+6544 9: INITEXT: ocnfrac= 0.493090821799900825E-01
+6545 10: INITEXT: ocnfrac= 0.663652042764999450E-01
+6546 11: INITEXT: ocnfrac= 0.335464086960348795
+6547 12: INITEXT: ocnfrac= 0.872788838702892034
+6548 13: INITEXT: ocnfrac= 0.999999999999999001
+6549 14: INITEXT: ocnfrac= 1.00000000000000000
 
S

suvarchal_kumar@gmail_com

Member
must needed initial conditions are present in original inic file(refer to user document for which fields are must) and remaining are optional... so principally i guess your model should run with the inic file you gave...
and looking at your error i suggest you to check your ocn mld and qflux boundary condition...


astray said:
thank you for your reply.I try it ,use the initial datasets:cami_0000-09-01_64x128_L26_c030918.nc

but ,the running stop,when I submit the som.csh.
the error:srf states and fluxes
+6539 5:
+6540 5: ENDRUN:DH
+6541 6: INITEXT: ocnfrac= 0.858287186677061387E-01
+6542 7: INITEXT: ocnfrac= 0.477531558014702151E-01
+6543 8: INITEXT: ocnfrac= 0.480075522252987330E-01
+6544 9: INITEXT: ocnfrac= 0.493090821799900825E-01
+6545 10: INITEXT: ocnfrac= 0.663652042764999450E-01
+6546 11: INITEXT: ocnfrac= 0.335464086960348795
+6547 12: INITEXT: ocnfrac= 0.872788838702892034
+6548 13: INITEXT: ocnfrac= 0.999999999999999001
+6549 14: INITEXT: ocnfrac= 1.00000000000000000
Click to expand...
 
R

rneale

Rich Neale
CAM Project Scientist
Staff member
The SOM initializes with a field called TSOCN on the initial file so check that it is on the initial file and has sensible values
 
You must log in or register to reply here.
Top