Add sea ice recentering#1479
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shlyaeva
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| fname_in = os.path.abspath(os.path.join(mem_dir_real, f00)) | ||
| fname_out = os.path.realpath(os.path.join(self.task_config.ens_dir, | ||
| "cice_model.res."+str(mem)+".nc")) | ||
| ens_cice_list.append([fname_in, fname_out]) | ||
| fname_out = os.path.realpath(os.path.join(self.task_config.ens_dir, | ||
| "cice_model.res.output."+str(mem)+".nc")) |
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Note: this currently copies restarts twice (to keep input and output separate), we can change this before the merge to only copy the file once, and change it in place. (I coded input and output separately so I can easily see what the recentering does).
shlyaeva
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| variable change name: Soca2Cice | ||
| arctic: | ||
| seaice edge: 0.4 | ||
| shuffle: true | ||
| rescale prior: | ||
| rescale: true | ||
| min hice: 0.5 | ||
| min hsno: 0.1 | ||
| antarctic: | ||
| seaice edge: 0.4 | ||
| shuffle: true | ||
| rescale prior: | ||
| rescale: true | ||
| min hice: 0.5 | ||
| min hsno: 0.1 |
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note: these parameters should be the same as in soca2cice used in the marineanlckpt; ideally we would reference the same yaml section in both places.
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|
After one cycle (once the deterministic background includes the large analysis increment from the previous cycle): |
guillaumevernieres
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Feb 6, 2025
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guillaumevernieres
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Apr 14, 2025
#1614) # Description In #1479 I introduced a duplicate copy of ensemble members to marine recentering task by mistake. This PR removes that. I didn't test this as thoroughly as I normally would. Below is what I ran to test (for both of the low-res tests I made sure that both rundir and comdir were completely wiped out before I started the tests): - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen -- tests passed - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen except for the letkf one (to mimic retro runs) -- tests passed - introduced this change in my high-res 30-member ensemble experiment that runs LETKF -- task completed successfully, 33 min instead of 38 min for the previous cycle. # Issues Resolves #1613 # Automated CI tests to run in Global Workflow <!-- Which Global Workflow CI tests are required to adequately test this PR? --> - [ ] atm_jjob <!-- JEDI atm single cycle DA !--> - [ ] C96C48_ufs_hybatmDA <!-- JEDI atm cycled DA !--> - [ ] C96C48_hybatmaerosnowDA <!-- JEDI aero/snow cycled DA !--> - [ ] C48mx500_3DVarAOWCDA <!-- JEDI low-res marine 3DVar cycled DA !--> - [x] C48mx500_hybAOWCDA <!-- JEDI marine hybrid envar cycled DA !--> - [ ] C96C48_hybatmDA <!-- GSI atm cycled DA !--> Co-authored-by: Anna Shlyaeva <anna.v.shlyaeva@noaa.gov>
jspsl
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Apr 30, 2025
NOAA-EMC#1614) # Description In NOAA-EMC#1479 I introduced a duplicate copy of ensemble members to marine recentering task by mistake. This PR removes that. I didn't test this as thoroughly as I normally would. Below is what I ran to test (for both of the low-res tests I made sure that both rundir and comdir were completely wiped out before I started the tests): - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen -- tests passed - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen except for the letkf one (to mimic retro runs) -- tests passed - introduced this change in my high-res 30-member ensemble experiment that runs LETKF -- task completed successfully, 33 min instead of 38 min for the previous cycle. # Issues Resolves NOAA-EMC#1613 # Automated CI tests to run in Global Workflow <!-- Which Global Workflow CI tests are required to adequately test this PR? --> - [ ] atm_jjob <!-- JEDI atm single cycle DA !--> - [ ] C96C48_ufs_hybatmDA <!-- JEDI atm cycled DA !--> - [ ] C96C48_hybatmaerosnowDA <!-- JEDI aero/snow cycled DA !--> - [ ] C48mx500_3DVarAOWCDA <!-- JEDI low-res marine 3DVar cycled DA !--> - [x] C48mx500_hybAOWCDA <!-- JEDI marine hybrid envar cycled DA !--> - [ ] C96C48_hybatmDA <!-- GSI atm cycled DA !--> Co-authored-by: Anna Shlyaeva <anna.v.shlyaeva@noaa.gov>
DavidNew-NOAA
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Jan 16, 2026
#1614) # Description In #1479 I introduced a duplicate copy of ensemble members to marine recentering task by mistake. This PR removes that. I didn't test this as thoroughly as I normally would. Below is what I ran to test (for both of the low-res tests I made sure that both rundir and comdir were completely wiped out before I started the tests): - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen -- tests passed - all tests in C48mx500_hybAOWCDA up to and including ocnanalecen except for the letkf one (to mimic retro runs) -- tests passed - introduced this change in my high-res 30-member ensemble experiment that runs LETKF -- task completed successfully, 33 min instead of 38 min for the previous cycle. # Issues Resolves #1613 # Automated CI tests to run in Global Workflow <!-- Which Global Workflow CI tests are required to adequately test this PR? --> - [ ] atm_jjob <!-- JEDI atm single cycle DA !--> - [ ] C96C48_ufs_hybatmDA <!-- JEDI atm cycled DA !--> - [ ] C96C48_hybatmaerosnowDA <!-- JEDI aero/snow cycled DA !--> - [ ] C48mx500_3DVarAOWCDA <!-- JEDI low-res marine 3DVar cycled DA !--> - [x] C48mx500_hybAOWCDA <!-- JEDI marine hybrid envar cycled DA !--> - [ ] C96C48_hybatmDA <!-- GSI atm cycled DA !--> Co-authored-by: Anna Shlyaeva <anna.v.shlyaeva@noaa.gov>
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Description
Adds recentering for sea ice by adding the recentering increment to the sea ice background, and calling Soca2Cice variable change.
Requires copying background files and ice restarts, I wasn't familiar with how to code this, so please review.
Companion PRs
Needs a change to global-workflow as well: guillaumevernieres/global-workflow#10
Issues
Resolves #1454
Automated CI tests to run in Global Workflow