[ecco-support] ECCO V4R4 question

Thu May 9 11:14:45 EDT 2024

Hi Samar, there is a clean version of ECCO-v4r4 without bells and whistles and with updated MITgcm code available here:
https://github.com/MITgcm-contrib/llc_hires/blob/master/llc_90/ecco_v4r4/readme_v4r4.txt

One small possible problem is that the files that you need to run this set-up are on pleiades under.
If you do not have access to pleiades, I am not sure if all the files you need are also available on a public server.

Let us know if you have access to the input files.

Dimitris

On May 8, 2024, at 11:27 PM, Samar Khatiwala <samar.khatiwala at earth.ox.ac.uk> wrote:

Dear ECCO support,

I have a question about running ECCOV4R4. I have followed the very clear instructions on https://zenodo.org/records/10038354<https://urldefense.us/v3/__https://zenodo.org/records/10038354__;!!PvBDto6Hs4WbVuu7!Kx2T__z_G83iMj743b5NGVnIUexmi0hV-1zlG62VEzLDU4QY3j67wvgS4ssAYhkhcZTMthCJCuMZkMR54malMKgKIVq6epnfzGX3eg$> and am able to run the model. But for my application I don’t need to calculate misfits/cost functions etc. I just want to run a forward simulation of the optimized model without any extra bells and whistles. That is proving to be difficult. Simply switching off ecco and cost in data.pkg triggers run time errors. It turns out I had to switch on package CAL manually. That then gives other errors to do with MDSREADFIELD being deprecated. And so on. I tried rebuilding the code without the various packages that deal with misfit calculation and it just threw a host of other errors to do with files not being found. I hacked my way through all of it to get a successful build but then ended up with the MDSREADFIELD error again.

Perhaps I’m going about this the wrong way but could someone please advise how I can turn off extraneous computations off? Speed is critical for what I want to do and I feel the misfit and other calculations are weighing down the model significantly.

Thanks very much!

Best,

Samar

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