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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before) |
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o new pkg: down_slope |
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density-driven downsloping flow parameterisation (Tellus, 1999, 412-430). |
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- presently, modify T & S inland (dwnslp_calc_rho.F). |
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can be avoided if rho was stored in common bloc and used in calc_phi_hyd. |
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- implementation for ocean in P-coords not tested. |
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- add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg. |
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o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC) |
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(to facilitate conversion of oceanic pkg to p-coordinate). |
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o change FIND_RHO to FIND_RHO_2D : |
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pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK. |
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o new pkg: cheapaml |
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checkpoint61b |
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o exch2: |
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change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS) |
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- no longer depend on the order sequence (N,S,E,W). |
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- 3rd exchange no longer needed (tested with 24 tiles). |
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- same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff) |
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- exch_UV_A-grid readily available (but not yet tested). |
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comment out 3rd exch call and remove copy of V to U at SE & NE face-corners |
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(both are no longer needed) in exch_uv: no effect in forward run; but |
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get truncation error differences with adjoint exch. |
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o exch2: |
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- change index-bounds storage (moved from target to local tile, |
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more intuitive this way) ; rename/remove some variables. |
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- change utils/exch2/matlab-topology-generator & code_mods accordingly. |
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checkpoint61a |
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o exch2/matlab-topology-generator: |
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fix bug in index bounds for N-S internal exchange (hard to tell if this |
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had any effect on the solution). |
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o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf |
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is exceeded |
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o testreport: modify syntax of awk, so that it works also with |
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awk, and not only with nawk and gawk |
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checkpoint61 |
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o autodiff |
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Change default for TAF usage by removing argument '-nonew_arg' |
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This changes TAF subroutine argument list (ordering of active var.) |
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Omission of this flag leads to incompatibility w.r.t. TAMC |
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To restore TAMC-compatibility, need following modifs: |
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* use adoptfile tools/adjoint_options/adjoint_tamc_compatibility |
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* use CPP option #define AUTODIFF_TAMC_COMPATIBILITY |
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Tested TAF version is 1.9.22 |
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N.B.: exch2 hand-written adjoint code currently not TAMC compatible |
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checkpoint60 |
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--->>> This is the last checkpoint for which generating the adjoint |
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--->>> is done via the TAMC-compatibility TAF-flag "-nonewarg" |
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--->>> by default. |
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--->>> Future checkpoints will ommit this flag by default. |
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o pkg/generic_advdiff, os7mp: simplify and avoid division by zero. |
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o pkg/grdchk: Add gradient check to etan0 perturbations. |
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o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK). |
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o pkg/autodiff: more flexibility in zeroadj. |
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model/src: modifying do_oceanic_phys.F accordingly. |
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o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation. |
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o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option |
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special setup of gmredi for which the adjoint is stable |
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enough for parameter optimization. |
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o bridging the gap between eddy stress and GM. |
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-> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi) |
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along with a change in CPP option (now ALLOW_EDDYPSI). |
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-> when using GM w/ GM_AdvForm: |
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The total eddy streamfunction (Psi = eddyPsi + K x Slope) |
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is applied either in the tracer Eq. or in momentum Eq. |
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depending on data.gmredi (intro. GM_InMomAsStress). |
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-> ALLOW_EDDYPSI_CONTROL for estimation purpose. |
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The key modifications are in model/src/taueddy_external_forcing.F |
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pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F |
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checkpoint59r |
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o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array |
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from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F); |
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fix option to read coriolis(@ cell-corner) from files with CS-grid. |
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o pkg/mnc: add some attributes to standard 1D-coordinate variables |
o pkg/mnc: add some attributes to standard 1D-coordinate variables |
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o pkg/diagnostics: enforce missing_value attribute for scalar variables at |
o pkg/diagnostics: enforce missing_value attribute for scalar variables at |
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mass points, when using mnc for output |
mass points, when using mnc for output |
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