Ocean Modeling Discussion

Dear all, I've recently attempted to run a model that was working fine earlier this year. I'm using revision 966 and running ROMS in parallel on a HPC (currently through VPN). I'm using NETCDF4 and compiling with gfortran. Not having changed anything about the input or scripts, the model suddenly cr...

Hi all, I have a question related to the implications of the Boussinesq approximation on simulated sea level in ROMS. The missing non-Boussinesq steric effect and the consequent missing global steric effect in Boussinesq models have been explained by several studies for global models (e.g., Greatbat...

Dear all,

I would like to get back to this problem for which I still haven't found a solution. As mentioned before I do not get any meaningful error message so find myself unable to solve the problem.

Any help is greatly appreciated!

Thanks for this reference! Per bhattvihang's post I added the extension to libgridgen in loading the library in hgrid.py: <self._libgridgen = np.ctypeslib.load_library('libgridgen', pyroms.__path__[0]) >self._libgridgen = np.ctypeslib.load_library('libgridgen.so', pyroms.__path__[0]) This fixed my e...

Hi Kate,

I'm indeed looking to generate/modify a grid. Do the pygridgen/pygridtool modules support the same capabilities as grid generation in pyroms? E.g. creating a vertical grid with terrain-following coordinates? Thanks a lot for the help, it's highly appreciated.

Best,

Dear all, I've been trying to install pyroms on Mac OS10.13.6. I'm running Python 3.7. Whatever strategy I'm using to install pyroms, it's not working. I tried pip install, or running python setup.py build, python setup-.py install. I've got all the required packages except for SCRIP, but I think th...

Perfect, thanks!

Dear all, I have a question related to the CPP option ATM_PRESS , which in the case of SOLVE3D imposes the atmospheric pressure onto the 3D pressure gradient equations. I am running a 3D regional set-up which I'm forcing at the lateral boundaries with an ocean reanalysis that does NOT include the in...

Hi, I've started splitting up my runs in years and running them with restarts. However, I occasionally still get similar errors during runtime which is really annoying. Debugging with fcheck-all gives me a series of unhelpful error messages: Direct leak of 2048 byte(s) in 1 object(s) allocated from:...

An addition to the above: I've rerun the experiment with rvn 966 (more recent version), now with mixing along geopotential lines instead of along isopycnals. The results I obtain are now very similar to the results obtained with version rvn 783, unlike when using rvn 966 with isopycnal mixing (firs...

Thanks John for the response. After testing with different versions I think I've pinpointed the change in solution (based on values of zeta ) to version 839 to 840. This corresponds to ticket #723: https://www.myroms.org/projects/src/ticket/723 . Ticket 723 concerns the following bug correction: Sev...

Thanks Kate & Arrango, both great suggestions. I have one additional question regarding the .h and .in files - I have tried to copy the .h and .in files for the older revision code directly to the environment with the newer revision code, and ran the experiment again. I thought this way I would ...

Dear all, I'm running a ROMS configuration for the northwestern European shelf region. The configuration has 1/4° by 1/4° resolution, and some smoothing of the bathymetry is applied to avoid horizontal pressure gradient errors. It's forced by ERA_interim atmospheric forcing and GLORYS lateral ocean ...

It's possible that there's a memory leak, so that the program grows over time until it hits some limit. I just ran something in debug mode and got a *ton* of these messages: ==6434==ERROR: LeakSanitizer: detected memory leaks Direct leak of 34816 byte(s) in 8 object(s) allocated from: #0 0x7f1d0048...

Dear all, I'm attempting to run a ROMS configuration for the North Sea with ERA_interim atmospheric forcing and GLORYS ocean boundary conditions. This is for 1993 to 2014. I've ran this for just 1 year (1993) without any problems. I'm running on a HPC cluster using mpi, and using netcdf4 and gfortra...