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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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o eesupp/src: |
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fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube |
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o pkg/seaice/seaice_growth.F |
o pkg/seaice/seaice_growth.F |
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Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and |
Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and |
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merging process. The merged routine has two branches, and one activates the 'evolution' |
merging process. The merged routine has two branches, and one activates the 'evolution' |
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branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now). |
branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now). |
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In summary, here is what the '10/10 revision' did consist of |
In summary, here is what the '10/10 revision' did consist of |
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part 1: seaice_growth.F revisions 1.71 to 1.75 |
part 1: seaice_growth.F revisions 1.71 to 1.75 |
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- Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged. |
- Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged. |
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The emphasis here was on improving readability (e.g. by trying to use meaningful |
The emphasis here was on improving readability (e.g. by trying to use meaningful |
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variable names) and modularity (e.g. by adding arrays to store heff etc. updates). |
variable names) and modularity (e.g. by adding arrays to store heff etc. updates). |
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part 1.5: |
part 1.5: |
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- revising the lab_sea experiment to make it a more useful (i.e. stable |
- revising the lab_sea experiment to make it a more useful (i.e. stable |
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and representative of an actual model run). This was done by generating a |
and representative of an actual model run). This was done by generating a |
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(winter) pickup to start from, switching back the main experiment dynamic |
(winter) pickup to start from, switching back the main experiment dynamic |
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solver from evp to lsr, having one of the experiments use the free drift solution. |
solver from evp to lsr, having one of the experiments use the free drift solution. |
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part 2: seaice_growth.F revisions 1.76 to 1.85 |
part 2: seaice_growth.F revisions 1.76 to 1.85 |
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- Sorting out hard-coded constants that prevented heat and fresh water conservation. |
- Sorting out hard-coded constants that prevented heat and fresh water conservation. |
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- Sorting out the various fields units and sign (set early on and reset at the end) |
- Sorting out the various fields units and sign (set early on and reset at the end) |
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to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and |
to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and |
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fresh water stock is 'effective ice meters', and >0 implies more ice/snow. |
fresh water stock is 'effective ice meters', and >0 implies more ice/snow. |
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- Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks, |
- Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks, |
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and simplifying logical expressions to further improve readibility. |
and simplifying logical expressions to further improve readibility. |
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part 3: seaice_growth.F revisions 1.86 to 1.89 |
part 3: seaice_growth.F revisions 1.86 to 1.89 |
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- Re-organize the blocks of code more logically. |
- Re-organize the blocks of code more logically. |
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- Merging the '_if.F' pieces that add something new. |
- Merging the '_if.F' pieces that add something new. |
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o pkg/thsice: |
o pkg/thsice: |
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- vectorize thsice_solve4temp and thsice_get_exf. |
- vectorize thsice_solve4temp and thsice_get_exf. |
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Problem: thsice_solve4temp has an unvectorizable statement that |
Problem: thsice_solve4temp has an unvectorizable statement that |
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might also be problematic for TAF |
might also be problematic for TAF |
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- thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This |
- thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This |
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does not change the verifcation experiment, but will change all |
does not change the verifcation experiment, but will change all |
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experiments that have this flag undefined (not tested in verification); |
experiments that have this flag undefined (not tested in verification); |
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a little reorganization to save a few 2D fields and recomputations |
a little reorganization to save a few 2D fields and recomputations |
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o pkg/obcs: add support for exch2 |
o pkg/obcs: add support for exch2 |
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iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF. |
iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF. |
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o verification/lab_sea: |
o verification/lab_sea: |
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- overhaul of the forward model experiments. The main motivation |
- overhaul of the forward model experiments. The main motivation |
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for this revision is that lab_sea has proven quite fragile (when |
for this revision is that lab_sea has proven quite fragile (when |
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changing the sea-ice code, and switching platforms) to a point |
changing the sea-ice code, and switching platforms) to a point |
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when failures were very hard to attribute to specific code problems. |
when failures were very hard to attribute to specific code problems. |
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- the suspected reason for this fragility is noise amplification by evp so, |
- the suspected reason for this fragility is noise amplification by evp so, |
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to start with, we decided to replace evp with lsr in the main experiment. |
to start with, we decided to replace evp with lsr in the main experiment. |
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- the input.lsr experiment thus became obsolete and was removed. |
- the input.lsr experiment thus became obsolete and was removed. |
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- it was replaced with the input.fd experiment that uses an |
- it was replaced with the input.fd experiment that uses an |
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analytical "free drift" solution as the ice velocity field. |
analytical "free drift" solution as the ice velocity field. |
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- Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp) |
- Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp) |
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will hopefully allow us to discriminate problems due to dynamic solvers |
will hopefully allow us to discriminate problems due to dynamic solvers |
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from problems due to the thermodynamic code. input.salt_plume (lsr) allows |
from problems due to the thermodynamic code. input.salt_plume (lsr) allows |
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us to test additional options, along with the salt plume package. |
us to test additional options, along with the salt plume package. |
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- Finally a pickup was generated (at the end of a one year run) to |
- Finally a pickup was generated (at the end of a one year run) to |
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make the tests more representative of an actual model run. Previously |
make the tests more representative of an actual model run. Previously |
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the tests starting point was a 1m thickness of ice everywhere. |
the tests starting point was a 1m thickness of ice everywhere. |
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o pkg/seaice: |
o pkg/seaice: |
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- introducing S\R seaice_freedrift.F that compute the |
- introducing S\R seaice_freedrift.F that compute the |
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analytical solution to an approximate ice momentum |
analytical solution to an approximate ice momentum |
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equation (i.e. the simple stress/coriolis balance). |
equation (i.e. the simple stress/coriolis balance). |
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- define SEAICE_ALLOW_FREEDRIFT to trigger the computation |
- define SEAICE_ALLOW_FREEDRIFT to trigger the computation |
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of the free drift velocity field, and enable its use. |
of the free drift velocity field, and enable its use. |
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To actually use the free drift solution as the model ice |
To actually use the free drift solution as the model ice |
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velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice. |
velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice. |
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o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata" |
o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata" |
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checkpoint62l (2010/10/04) |
checkpoint62l (2010/10/04) |