[ecco-support] ECCO Darwin forcing data

Samar Khatiwala samkat6 at gmail.com
Tue Feb 17 05:04:24 EST 2026


Dear ECCO Team,

I'm trying to setup ECCO Darwin following the instructions at
https://github.com/MITgcm-contrib/ecco_darwin/blob/master/v06/1deg/readme_darwin_v4r5.txt
and could not find all the requited data on ECCO Drive. I was hoping you
might be able to provide the missing files.

Specifically, while I managed to find input_bin, TBADJ and various other
data related to the physical model, I could not find data related to
biogeochemistry that are referred to in the data* files. This includes the
iron flux
(CESM-MIMI_1980-2015_CAM4-6MEAN_MonthlyDep_Hamiltonetal2020_clim.R4_144x96x12.bin)
and files related to oasim.

On a related note, in case Oliver or any of the Darwin people are reading
this, following a previous thread I downloaded verification experiments
from git://gud.mit.edu/verification_darwin.git but I don't know how to get
the required forcing data to run any of them. I realize these are your
internal regression tests but, more generally, it would be extremely
helpful to have one or two scientifically validated verification
experiments for those of us just getting started with the model. I can post
an issue on the darwin3 github page but thought I'd mention it here.

Many thanks!

Samar
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