[MITgcm-support] BLING verification experiment behaving strangely

[Samar Khatiwala]

Hi Dimitris,

Thanks so much for this. For now I’d like to stick with BLING but good to know these Darwin configurations are available.

Thanks,

Samar

On Jun 8, 2023, at 6:46 PM, Menemenlis, Dimitris (US 329B) <dimitris.menemenlis at jpl.nasa.gov> wrote:

Hi Samar, I am not sure about global BLING MITgcm configurations but we do have many turnkey configurations of ECCO-Darwin at various resolutions (3 deg, 1 deg, 1/3 deg, and 1/6 deg) readily available:
https://github.com/MITgcm-contrib/ecco_darwin
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2019MS001888
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021GB007162

Cheers,

Dimitris Menemenlis


On Jun 8, 2023, at 9:53 AM, Samar Khatiwala <samar.khatiwala at earth.ox.ac.uk<mailto:samar.khatiwala at earth.ox.ac.uk>> wrote:

Hello,

I was wondering if anyone has a working global BLING configuration they don’t mind sharing. I’ve been running the global_oce_biogeo_bling verification experiment but the results are very strange. Nutrients (NO3 and PO4) don’t look like nutrients at all, i.e., instead of increasing along the ‘conveyor’ the trend is reversed (and spatial gradients are also far too small). Similarly with oxygen. And DOP and DON are completely spatially uniform at very low concentrations after a few hundred years. This simulations were performed after spinning-up the circulation.

Has anyone run global_oce_biogeo_bling or BLING in another global configuration and obtained reasonable results? Any help would be greatly appreciated.

Thanks,

Samar


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