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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 pkg/seaice: |
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Major overhaul of the LSOR solver: change discretization from original |
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finite differences to finite volume. The old routine is still in the |
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file seaice_lsr.F and can be turned on with the CPP-flag |
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SEAICE_OLD_AND_BAD_DISCRETIZATION |
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Along with this change, the discretization of the strain rates is changed. |
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The same flag turns on the old discretization in seaice_calc_strainrates.F |
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All verification experiments with seaice are affected (except for |
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seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old |
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results by setting the above flag. |
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Further changes involve changes in defaults: |
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- ALLOW_FLOODING is defined and turned on by default |
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- SEAICE_advSnow = .true. is now the default |
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- SEAICE_advSalt = .true. is now the default |
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- SEAICE_advAge = .true. is now the default |
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- SEAICE_clipVelocities = .false. is now the default |
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(as per J. Zhang's recommendation) |
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- B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE |
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is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS |
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- seaice_growth: replace computation of UG by a simple copy from wspeed |
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checkpoint61k |
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o pkg/seaice: a few bug fixes mostly concerning the metric terms: |
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seaice_lsr: fixed a few metric terms, |
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affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs |
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add more debugging diagnostics |
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seaice_evp: removed superfluous many metric terms of FV discretization |
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of stress divergence |
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affects lab_sea, lab_sea.hb87 |
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seaice_ocean_stress: removed superfluous many metric terms of FV discretization |
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of stress divergence for non-evp solver |
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(this part is not tested anywhere) |
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seaice_calc_strainrates: fixed a bug in no-slip boundary conditions, |
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they were effectively only half slip |
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affects lab_sea.hb87 |
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updated all relevant verification experiments (except lab_sea//output_adm.txt |
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which was left over, but fails at level 7 & 6) |
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checkpoint61j |
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o pkg/seaice: turn a few hard wired parameters into run time parameters |
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o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model |
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time in seconds as promised by the usints in seaice_monitor and exf_monitor |
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o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids |
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that are not cubed-sphere grids |
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o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR |
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o pkg/ctrl: |
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fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low) |
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o non-hydrostatic (calc_gw.F): |
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fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec |
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update output of exp. global_ocean.cs32x15.viscA4 |
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o remove backward compatibility for thetaMin,phiMin |
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(replaced by xgOrigin,ygOrigin on Jan 27, 2009) |
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o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the |
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interpolated wind field not only for curvilineargrid=.true., but also |
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for a rotated grid (rotateGrid=.true.) |
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o pkg/exf: add capability to bypass interpolation for runoff |
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by setting yet another CPP-flag |
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o eesupp/src, B-grid exchange: |
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add simple (6 tiles, non MPI) CS exch + standard interface S/R. |
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o autodiff |
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new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV |
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allows to switch to single-prec common blocks; |
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corresponding switch occurs in tamc.h, integer isbyte |
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TAF store directivs "byte" and "kind" seem equivalent; |
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Most tamc.h have been updated correspondingly. |
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checkpoint61i |
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o autodiff: |
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fix autodiff_sore/_restore indices for obcs |
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(spotted by I. Hoteit, M. Mazloff) |
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o pkg/autodiff, pkg/ctrl: |
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Add flag to reduce all tapelev I/O to single-prec. |
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In data.ctrl set |
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doSinglePrecTapelev = .TRUE. |
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o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2: |
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check in hack for SX8 compiler (for dxV, dyU); remove it afterwards. |
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o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for |
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real fresh water flux (not yet) |
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o pkg/mdsio & rw: |
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- add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta) |
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- add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX. |
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o pkg/flt: |
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- replace FLT_INIT by 3-steps standard initialization S/R: readparms, |
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init_fixed & ini_varia. |
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- clean-up & simplify linear interpolation S/R: |
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move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid. |
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- fix some indices (mainly vertical index) ; add IMPLICIT NONE. |
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- more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R. |
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- add vert. coordinate & horiz. indices to output files. |
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- change vertical position in initial condition, from index to depth [m]. |
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- store horizontal (decimal) indices i,j in common block (instead of coord. x,y) |
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(easier to get to a curvilinear grid) ; delX,delY no longer used. |
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o pkg/ggl90: a few modifications: |
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- fix bottom boundary condition, and interpolation of KappaE |
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near top and bottom |
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- use same set of viscosity/diffusivity for TKE/momnetum/tracer |
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- add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH) |
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- add a few options for mixing-length upper limit (--> mxlMaxFlag) |
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o rename thetaMin,phiMin -> xgOrigin,ygOrigin |
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(maintain temporary backward compatibility, until next checkpoint) |
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checkpoint61h |
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o pkg/diagnostics with "periodic averaging diagnostics": |
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fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output. |
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o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82 |
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o pkg/obcs: fix loop ranges for balancing code |
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o pkg/flt: |
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- improve criteria for finding which tile owns a float. |
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- fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case. |
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o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg |
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aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling |
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with ocean biogeo) |
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o pkg/flt: |
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- do some cleaning and fix the restart ; |
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- add output.txt in flt_example/results to get this pkg tested. |
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o genmake2: add an EXTENDED_SRC option and flag. |
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for now, cannot be turned on on command line (only through genmake_local) |
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o pkg/mdsio: read/write vector: |
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- singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS |
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- singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR |
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& MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS. |
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- affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO) |
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(drop to 4 digits matching for grad). But this test does not look very |
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reliable (was already failling on eddy, fc5, at 6.digits). Update output. |
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checkpoint61g |
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o pkg/flt: |
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- move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name) |
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+ make OPTIONS file more standard. |
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- rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name) |
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- fix _BYTESWAPIO CPP-Flag |
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- standard reading of file-parameter "data.flt" |
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- fix argument list of S/R FLT_RESTART |
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still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F |
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o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell |
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o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to |
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a still unfixed compiler/optimization bug |
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checkpoint61f |
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o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ; |
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update results of global_ocean.cs32x15.icedyn test. |
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o move getcon.F from model/src to pkg/fizhi. |
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o pkg/exf: add parameter for extrapolation of temp up to the surface |
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and option to prevent negative evap (in bulk_largeyeager04 only). |
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o Prather Advection scheme: fix tracer conservation for divergent flow |
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(e.g., when using NonLin Free-Surface). |
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o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead |
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o gmredi (Visbeck-variable-K): |
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- add more parameters to Visbeck-variable-K. |
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- use a 5 points average for dSigmaR in Visbeck-K calculation |
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(more "homogenous": same stencil and same weights as in dSigmaH) |
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- update output of ideal_2D_oce experiment. |
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o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4 |
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(#undef REAL4_IS_SLOW) |
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- pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4 |
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coordinate variable |
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- pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables |
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(surface forcing fields), removes some of the functionality |
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- model/src/write_grid.F: write _RS variables as RS-netcdf variables |
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- model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but |
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probably not all: copy _RS surface flux fields to RL field before |
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calling DIAGNOSTICS_FILL |
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- model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into |
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real*4 (CALL EXCH_*_RS) versions. |
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- tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1 |
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(generate new output). |
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checkpoint61e |
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o gmredi (Visbeck-variable-K): |
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- fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h |
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- change computation of Visbeck-K where Slope > Smax : |
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now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct) |
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previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output. |
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o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic |
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to be the same as with Z-coord. (i.e., m/s & no-units respectively). |
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o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc) |
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o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz |
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does not become too large (to avoid precision problems in implicit-diffusion |
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solver); update ideal_2D_oce output. |
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o pkg ggl90: |
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- in ggl90_cal.F: compute only one set of visc/diff, used to |
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step forward TKE/T/S/momentum |
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- default value of GGL90viscMax/GGL90diffMax larger and equal (to |
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have Prandlt =1) |
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o gmredi (fm07): |
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- add lower limit on Transition layer thickness + lower limit on 1/lambda |
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- allow to set few more params from data.gmredi |
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o pkg ggl90: |
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- add missing sqrt(2) factor in computation of mixing length |
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scale in ggl90_calc.F |
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(see Eq. (2.35) in Blanke and Delecluse, JPO, 1993) |
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|
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checkpoint61d |
checkpoint61d |
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o adjoint modifs |
o adjoint modifs |
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- adapt to new field rhoInSitu |
- adapt to new field rhoInSitu |
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- my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme |
- my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme |
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- these scheme operate in a similar manner as KPP (without ghat, of |
- these scheme operate in a similar manner as KPP (without ghat, of |
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course), however there is only one diffusivity that is used for both |
course), however there is only one diffusivity that is used for both |
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temperature and salinity (and passive tracers)ç |
temperature and salinity (and passive tracers) |
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o add offline package |
o add offline package |
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o add "verification/dic_example" which contains a dic-gchem-ptracer setup |
o add "verification/dic_example" which contains a dic-gchem-ptracer setup |
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provided by Stephanie Dutkiewicz |
provided by Stephanie Dutkiewicz |
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