Feature request: JEDI forward operators for use in DART
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@hkershaw-brown is already working on this.
Since Jan 31, 2025.
atmos-chem
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Description
Use case
This has already been accomplished by people (most notably Craig Schwartz) 🎉
Is your feature request related to a problem?
Related to #724, precomputed (external forward operators) are used with DART, but not documented or available though NCAR/DART repo.
Note: ROMS observation converter does provide forward operators. We have users using RTTOV external forward operators.
Describe your preferred solution
- Implantation though the current external forward operator mechanism (obs_sequence files). This is what is out there and what people have been using.
- JEDI obs to obs_seqence (no fwd op) so DART can ingest JEDI IODA observations.
Describe any alternatives you have considered
However, in the not too distant future (maybe a subsequent issue to this JEDI v1 issue, or maybe concurrent since this is not JEDI specific)
- Memory scalable (and IO parallel) version of external forward operators.
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