Ocean Modeling Discussion

Dear colleagues, We are currently hiring a physical oceanographer to join the ocean prediction and monitoring team, which is part of the Geoscience, Energy and Maritime Division at the Pacific Community (SPC) in our Fiji office. The candidate will be responsible for the effective and timely developm...

Hi Amy,

It would also be helpful to see your output/log file or your .erf file that is usually created when SWAN crashes.

Have you tried the SWAN mailing list?
https://sourceforge.net/p/swanmodel/mai ... del-users/
You might have more luck finding answers there than in the ROMS forum.

I had a lot of boundary currents like this in the beginning which were essentially due to erroneous boundary forcing. Also I noticed you had -

M2NUDG == 0.0d0 ! days
M3NUDG == 0.0d0 ! days

Have you tried playing around with the nudging parameters?

Hi Soroush,

It looks like it can't find your mpif.h file.
I did a quick google search and it seems like your problem is similar to this one here https://bb.cgd.ucar.edu/node/1001293
Maybe this helps?

I've got it to work now. There seems to be some sort of character limit to the input files? I can run by setting FRCNAME == SWAROMS_forcing/wind_swaroms_hourly_1.nc| SWAROMS_forcing/wind_swaroms_hourly_2.nc| SWAROMS_forcing/wind_swaroms_hourly_3.nc| SWAROMS_forcing/wind_swaroms_hourly_4.nc| SWAROMS_...

Hi everyone, I recently switched machines and now I am having problems running my application. Hopefully, someone can point me in the right direction. I compiled ROMS 3.7 on the new machine and was able to run the Upwelling Test Case successfully. I'm using the Intel compiler and NetCDF (4.3.2). Whe...

So the reason why the model stops after the 2nd input file is because I defined the cycle length for some reason. Without cycle length = 1 the model should not stop. I'm still unsure about the drift though.

Hi, I have a problem with the time step in my forcing files. I force my model with hourly wind stress data (amongst other parameters, but wind is the one I am having troubles with). I save the hourly output into a his file. Generally, this should look like this - it writes the history fields and the...

Thank you Kate and John, If you only want the boundary condition nudging and the SSS nudging, you do not need TCLM_NUDGING. Okay, I turned off TCLM_NUDGING. your initial conditions for ubar and vbar are zero Good point, however, do you think that would effect the model after it runs for a month or t...

Thank you for you quick reply Kate, I should've mentioned, I am using ROMS 3.6. Your boundary choices look something like mine, but you don't have ADD_FSOBC or ADD_M2OBC. Also, have you tried RADIATION_2D? It might help. I will try adding ADD_FSOBC, ADD_M2OBC and RADIATION_2D and see if that fixes i...

Hi everyone, I am still fairly new to ROMS and I have been struggling with my model of the Western Australian SW coast for quite some time now. Currents do not seem to radiate through the boundaries properly, I get unrealistic current velocities in deep areas along the boundaries, and eddies get tra...

Just a quick update. Like I suspected, I made the error when compiling MCT. I compiled MCT without openMPI using --enable-mpiserial To get it to work I had to compile openmpi first using ./configure FC=gfortran F77=gfortran F90=gfortran CXX=g++ CC=gcc CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/loc...

Hi,
I seem to have encountered a similar problem. Did you find a solution yet?

I did download it but the header file says ** Application flag: INLET_TEST ** Input script: ocean_inlet_test.in ** coupling_inlet_test.in ** sediment_inlet_test.in and I want to use swan_inlet_test.in as input so I assume I have to modify the header file, which I did, as stated above.

Thanks for the replies. i am not sure. you could try to use 1 proc for each model and see if that works. if you are getting an Errfile from SWAN, then something is wrong with the swan input files. if you run w/ just 1 proc for swan, then those files usually get written to. My SWAN output tells me th...

Here it is. The PRINT-001 and -002 files and the Errfiles created by SWAN are empty. Moritzs-MacBook-Pro:test2 Hawky$ mpirun -np 4 oceanM coupling_inlet_test.in Coupled Input File name = coupling_inlet_test.in Model Coupling Parallel Threads: Ocean Model MPI nodes: 000 - 001 Waves Model MPI nodes: 0...

Thanks for the answer, in the coupling.in I have Nthreads(ocean) = 2 Nthreads(waves) = 2 and in the ocean.in I have NtileI == 2 ! I-direction partition NtileJ == 1 ! J-direction partition so it should work? I keep getting the error as above though.

Hi, Thanks for the help. I now get the following error: Node # 0 (pid= 847) is active. Node # 1 (pid= 848) is active. [Moritzs-MacBook-Pro.local:848] *** An error occurred in MPI_Gather [Moritzs-MacBook-Pro.local:848] *** on communicator MPI COMMUNICATOR 3 SPLIT FROM 0 [Moritzs-MacBook-Pro.local:848...

Of course thanks! I had USE_OpenMP=on instead of USE_MPI=on USE_MPIF90=on I guess I got confused with the open MPI. I can compile it now, however I can't run the model. To run it I type mpirun -np 4 oceanM ocean_inlet_test.in and get Coupled Input File name = ocean_inlet_test.in MOD_COUPLER - Unable...

Thanks for the answer, as I said before, it was a path error but after setting the paths correctly it still leaves me with this error message: USE distribute_mod, ONLY : mp_reduce 1 Error: Symbol 'mp_reduce' referenced at (1) not found in module 'distribute_mod' ocean_coupler.f90:362.57: Asize=Globa...

Hey all, I'm having troubles compiling the inlet test case. It might have something to do with how I compiled MCT?! I'm running ROMS on a Mac (Mountain Lion). I compiled MCT using ./configure FC=gfortran F77=gfortran F90=gfortran CXX=g++ CPPFLAGS=-I/opt/local/include LDFLAGS=-L/opt/local/lib --prefi...