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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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checkpoint46n_post |
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Merging from release1_p8: |
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o verification/natl_box: |
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updating new external_fields_load routine |
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o New package: pkg/seaice |
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Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle). |
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The sea-ice code is based on Hibler (1979-1980). |
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Two sea-ice dynamic solvers, ADI and LSR, are included. |
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In addition to computing prognostic sea-ice variables and diagnosing |
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the forcing/external data fields that drive the ocean model, |
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SEAICE_MODEL also sets theta to the freezing point under sea-ice. |
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The implied surface heat flux is then stored in variable |
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surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and |
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kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the |
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non-local transport term. Because this call precedes model |
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thermodynamics, temperature under sea-ice may not be "exactly" at |
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the freezing point by the time theta is dumped or time-averaged. |
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N.B.: fairly large differences in accuracy occur across |
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different platforms/compilers; comparison between |
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g77 (Linux) and F77 (SGI Origin 2000/MIPSpro) |
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generated output gives: |
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T S U V |
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C D M c m s m s m s m s |
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n p a R g m m e . m m e . m m e . m m e . |
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f n k u 2 i a a d i a a d i a a d i a a d |
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g d e n d n x n . n x n . n x n . n x n . |
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Y Y Y Y 5 5 7 7 7 8 10 9 6 6 6 6 7 5 7 5 7 FAIL lab_sea |
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o GAD: |
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- generated new common blocks to account for call of |
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same gad routines with differing traceridentities |
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(needed to modify tracerIdentity indices in GAD.h) |
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- generated separate common blocks for case useCubedSphereExchange |
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(Department of Futurology) |
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- parameter lists to gmredi_?transport: added tracerIdentity |
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- added new key indices to tamc.h |
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o external_fields_load: |
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- added this routine to TAF list |
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- needed to make some common blocks global and additional storing |
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along the same lines as exf package (checkpoint_lev?_directives.h) |
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o exf: |
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updated external forcing package |
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- bug fixes carried over from ecco-branch |
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(missing OBCS_OPTIONS.h in two routines) |
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- enable easy to use "no forcing". |
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- added exf I/O for atmospheric loading |
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- added exf I/O for runoff data |
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- transfered scaling between exf <-> MITgcm to exf namelist |
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o Adding new verification experiment global_with_exf. |
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This verification experiment is almost identical to the |
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global_ocean.90x40x15 experiment, except that it uses |
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the exf (and cal) package instead of the |
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external_fields_load routine (cf README file). |
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checkpoint46m_post |
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o modified testscript to return -- when there are no lines of "%MON" output |
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o added new flag "quasiHydrostatic" for QH mode |
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and new routine quasihydrostaticterms() |
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o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term) |
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New routine: mom_u_coriolis_nh() |
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o fixed sign of non-hydrostatic metric terms in u and v equations. |
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Depend on correct sign of gravitySign. |
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o added work.pc* to .cvsignore in aim directories using ifc |
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o introduced flag for controllin non-hydrostatic metric terms |
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o removed gravitySign from PARM04 |
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o switched to g77/ifc from pgf77 in aim experiments |
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checkpoint46l_post |
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o made convective adjustment work with pressure coordinates: |
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- changed the direction of k-loop in convective_adjustment.F for the |
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case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation) |
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- adjusted the reference pressure k-index in convective_adjustment.F |
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- adjusted the convection condition in convect.F (in analogy to |
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calc_ivdc.F) |
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- convective_adjustment no longer computes anything on the halos |
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- removed the warnings about negative salinity from find_rho.F and |
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find_alpha.F; instead the new routine look_for_neg_salinity, called |
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at the beginning of find_rho, find_alpha, and find_beta, does a |
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check of the entire slice, if CPP-option |
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CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined |
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checkpoint46l_pre |
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checkpoint46k_post |
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o fixed the verification/global_ocean.90x40x15 experiment: |
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- new bathymetry (the world according to A., JMC, and M.) |
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- new initial fields and forcing fields (*.bin files) |
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- new POLY3.COEFFS (for the next release one should switch to a full |
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equation of state: JMD95P or MDJWF) |
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- fixed several errors and redundancies in the data file |
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- experiment uses looped cells |
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- added matlab directory with diagnostic scripts for plotting of output |
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o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F: |
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- read AIM physics parameters from a file (data.aimphys) |
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- set defaults values = F.Molteni paper (Clim.Dyn., 2002) |
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checkpoint46j_post |
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o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH |
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o move wVel computation at the end of the time step, in S/R integr_continuity |
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o create specific S/R to exchange T,S before DYNAMICS (for stagger time step) |
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o update timeave pkg for wVel diagnostic. |
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checkpoint46j_pre |
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checkpoint46i_post |
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o Clean up AIM package (and keep the results unchanged): |
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include CPP_OPTION and use IMPLICT NONE in all routines ; |
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declare all the variables _RL ; use _d 0 for all numerical constants. |
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use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 ! |
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checkpoint46h_post |
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o cleaned up the use of rhoNil and rhoConst. |
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- rhoNil should only appear in the LINEAR equation of state, everywhere |
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else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst |
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and the dynamical equations are all divided by rhoConst |
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o introduced new parameter rhoConstFresh, a reference density of fresh |
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water, to remove the fresh water flux's dependence on rhoNil. The default |
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value is 999.8 kg/m^3 |
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o cleanup up external_forcing.F and external_forcing_surf.F |
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- can now be used by both OCEANIC and OCEANICP |
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checkpoint46h_pre |
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Added code to convert surface volume flux (fresh water) into |
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a mass flux when using P coordinates in the ocean (OCEANICP). |
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Note: It assumes you have set rho0=rhoConst=density of fresh water. |
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checkpoint46g_post |
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o Include a new diagnostic variable phiHydLow for the ocean model |
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- in z-coordinates, it is the bottom pressure anomaly |
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- in p-coordinates, it is the sea surface elevation |
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- in both cases, these variable have global drift, reflecting the mass |
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drift in z-coordinates and the volume drift in p-coordinates |
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- included time averaging for phiHydLow, be aware of the drift! |
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o depth-dependent computation of Bo_surf for pressure coordinates |
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in the ocean (buoyancyRelation='OCEANICP') |
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- requires a new routine (FIND_RHO_SCALAR) to compute density with only |
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Theta, Salinity, and Pressure in the parameter list. This routine is |
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presently contained in find_rho.F. This routine does not give the |
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correct density for 'POLY3', which would be a z-dependent reference |
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density. |
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o cleaned up find_rho |
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- removed obsolete 'eqn' from the parameter list. |
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o added two new verification experiments: gop and goz |
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(4x4 degree global ocean, 15 layers in pressure and height coordinates) |
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checkpoint46g_pre |
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checkpoint46f_post |
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o Enable tangent linear (forward mode) gradient checks: |
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- extended active file handling to g_... files |
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- added TANGENT_SIMULATION to theSimulationMode |
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- extended grdchk package accordingly |
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o added tangent linear setup in verification/carbon/code_ftl |
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o added adjoint setup in verification/front_relax/code_ad |
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checkpoint46e_post |
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o Added new equation of state -> MDJWF |
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- EOS of McDougall et al., 2002, JAOT, submitted |
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- caveat: the equation of state is only valid for a smaller (more |
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realistic?) range of values than JMD95P/Z and UNESCO |
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- added masks to the calculation of pressure in store_pressure |
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- added more check values for density in check_eos (ini_eos.F), some of |
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the old check values are out of the range of the MDJWF-eos, so don't |
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expect perfect matches for those |
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checkpoint46e_pre |
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checkpoint46d_post |
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o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and |
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'OCEANICP', also initialised field pressure correctly in ini_eos in the |
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case of pressure coordinates. eosType='JMD95Z' in |
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combination with buoyancyRelation='OCEANICP' now causes an error. |
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o Changed p = pressure(i,j,k,bi,bj) to p = pressure(i,j,kRef,bi,bj) |
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in find_alpha/beta. |
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checkpoint46d_pre |
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o Changed p = pressure(i,j,k,bi,bj) to p = pressure(i,j,kRef,bi,bj) |
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so that JMD95Z and JMD95P give approptiate static stability in find_rho. |
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checkpoint46c_post |
checkpoint46c_post |
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o Changes necessary for ocean in p-coordinates |
o Changes necessary for ocean in p-coordinates |
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- Added new buoyancy relation = 'OCEANICP' |
- Added new buoyancy relation = 'OCEANICP' |
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checkpoint46b_post |
checkpoint46b_post |
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o Added new equation of state -> JMD95Z and JMD95P |
o Added new equation of state -> JMD95Z and JMD95P |
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- EOS of Jackett and McDougall, 1995, JPO |
- EOS of Jackett and McDougall, 1995, JAOT |
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- moved all EOS parameters into EOS.h |
- moved all EOS parameters into EOS.h |
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- new routines ini_eos.F, store_pressure.F |
- new routines ini_eos.F, store_pressure.F |
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o Added UNESCO EOS, but not recommended because it requires |
o Added UNESCO EOS, but not recommended because it requires |
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