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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 utils/python: add subpackage for cubed sphere function, first example is |
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simple cs.pcol to plot 2D fields on a map |
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o pkg/streamice: |
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- This is a new package in MITgcm, which solves dynamic equations for ice |
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sheets and ice streams |
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- At the moment it is independent of atmosphere/ocean dynamics, or any |
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other physical packages in MITgcm, even ShelfIce (although it is anticipat- |
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ed that this will change) |
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- There is a new verification exercise that tests it, halfpipe_streamice, |
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evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a |
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rectangular embayment |
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- halfpipe_streamice is forward-only for now, will have TAF test soon |
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- for questions, email dgoldber@mit.edu |
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o pkg/thsice: |
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- fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing |
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of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40); |
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- remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new |
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call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect ); |
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- allow precip from pkg/cheapaml to make snow over seaice. |
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o pkg/cfc: |
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- move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC |
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- remove atmos CFC 2-D arrays from common bloc (now local variables) |
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- change some hard-coded constant to run time parameter for reading and |
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and interpolating atmospheric CFC ; keep same default as previously. |
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- more flexible reading of Atmos CFC (number of records no longer hard-coded) |
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- put arguments in standard order: myTime, myIter, myThid |
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- use standard S/R GET_PERIODIC_INTERVAL for time interpolation of |
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atmospheric CFC ; fix for the case myIter < PTRACERS_iter0. |
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- fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf |
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- new routine to print summary of CFC params and check for consistency. |
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o pkg/cfc: |
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- change time interpolation for atmospheric CFC-11 (now same as for CFC-12); |
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update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline. |
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- fix interpolation of atmphspheric CFC between Sorthern and Northern |
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hemisphere value. |
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o pkg/seaice: |
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- allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml) |
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o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics; |
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so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE. |
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- requires an additional time level that is stored in the pickup |
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- you can start with AB2 from a pickup without this time level with |
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pickupStrictlyMatch = .false. |
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checkpoint64h (2013/05/26) |
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o pkg/cheapaml: |
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- replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux); |
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affect machine truncation (but exp cheapAML_box still pass with 13 digits). |
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- consistent treatment of uWind,vWind location: assume everywhere in |
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pkg/cheapaml that they are on C-grid (@ uVel,vVel location) |
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(Note: was already the case for Tair,Qair advection); |
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add option (INCONSISTENT_WIND_LOCATION) to recover old results. |
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- compute diabatic forcing only in the interior (excluding overlap regions) |
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- fill in array "Qsw" (for short-wave heating); |
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- add diagnostic for precip ; fill-in diagnostics for cheapAML state vars |
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before any update (consistent with MITgcm state var diagnostics); |
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- cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if |
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non periodic ; + adjusted for uWind,vWind (C-grid). |
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o pkg/seaice: |
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- remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and |
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add explicitly pkg/exf in experiments that currently use pkg/seaice. |
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- allows to compile pkg/seaice without pkg/exf. |
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o tools/OAD_support: |
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- use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds |
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of array "ourStepOf" in function rvNextAction (revolve.F90). |
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o pkg/aim_compon_interf renamed to pkg/atm_compon_interf |
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- change pkg name (to be used with other atmospheric physics pkg) |
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but by-pass CVS when making the new pkg so that we keep the CVS history. |
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o pkg/offline: |
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- call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F |
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(previously called from pkg/dic_surfforcing_init.F) |
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o model/src: |
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- re-order sequence of calls within packages_init_variables.F, using |
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standard order, except for: |
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DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top), |
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CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom) |
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o new pkg: atm_phys |
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- add entry point and source code (previously in contrib |
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verification_other/atm_gray/code_gray/) for new pkg "atm_phys" |
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(atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008). |
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- re-order sequence of calls within packages_readparms.F, |
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packages_init_fixed.F and packages_write_pickup.F |
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(but skip packages_init_variables.F because of TAF issues). |
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- update contrib/*/atm_gray/ experiment. |
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o pkg/seaice (ITD code): |
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- simplify and fix the writing of pickup-files for ITD case |
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o pkg/seaice (ITD code): |
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- introduce floe size dependent lateral melt for ITD case; |
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- cleaning (avoid division by zero, change to f77 syntax, remove tabs) |
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- update seaice_itd experiment main output. |
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o pkg/thsice: |
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- remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and |
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declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F; |
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changed accordingly pkg/atm2d. |
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checkpoint64g (2013/05/01) |
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o pkg/exf ALLOW_RUNOFTEMP |
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- if defined, river and glacier runoff temperature can be read-in from |
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runoftempfile; runoftempfile needs to have same format as runofffile |
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o pkg/thsice (& pkg/bulk_force): |
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- In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account |
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for energy content of Precip + RunOff & Evap (like with pkg/exf). |
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- change computation domain to always be the interior (without overlap). |
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- fix bug (wrong overlap) when using EXF and stressReduction > 0. |
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o verification/tutorial_global_oce_biogeo: |
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- add preliminary OpenAD setup (still has problems) |
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o pkg/seaice: |
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- turn some parameters for choosing the convergence criterion of |
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the inexact Newton method (JFNK) into runtime parameters for convenience |
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- clean up seaice_calc_viscosities.F: remove/retire two options for |
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SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes |
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the results of lab_sea/input because a division has been replaced by |
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a multiplication with the reciprocal (sumNorm) |
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- modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve |
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convergence of solver (changes results, of course), and to test some |
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new features |
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o model/src: |
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- remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call. |
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- remove unused forcing field "dQdT" and associated parameter "dQdTFile". |
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- move forcing adjustment (balancing surface forcing) in specific S/R |
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where might also be applied exchanges (if needed) to forcing arrays. |
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o pkg/shelfice: |
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- allow to specify the Ice-Shelf mass per unit area (instead of |
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shelficeLoadAnomaly) and do the conversion from one to the other |
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- move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA |
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to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and |
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(b) will be loaded in time (before calling INI_PRESSURE) in case it is |
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needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc |
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- update isomip experiment forward output (get machine truncation error |
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from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly) |
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o verification/offline_exf_seaice: |
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revise data.seaice in input.thermo and input_ad and update results accordingly |
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HO = 0.2, SEAICE_areaLossFormula = 2, |
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SEAICE_growMeltByConv = .TRUE., |
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SEAICE_doOpenWaterMelt = .TRUE., |
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Improve consistency with input.thsice and fix the spurious 500m ice corners |
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o verification/global_ocean.cs32x15: |
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- set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0., |
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in icedyn (thsice+seaice-dyn) test and update output. |
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o verification/offline_exf_seaice: |
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- adjust list of tested variables (with testreport) and update |
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standard test output with better slection of monitored fields. |
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o pkg/cd_code: |
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- swtich off Adams-Bashforth on the 1rst iteration. Update output of |
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experiment lab_sea.hb87 |
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o tools/genmake2: |
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- change default makedepend from the system default to tools/xmakedepend: |
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When no makedepend is specified, select tools/xmakedepend it the test pass, |
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otherwise select the system default (if exist and pass the test) or |
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try to build cyrus-makedepend ; stop if none of the 3 works. |
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o pkg/exf & pkg/thsice: |
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- In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account |
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for energy content of Precip + RunOff & Evap. Assumes: |
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1) Rain has same temp as Air. |
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2) Snow has no heat capacity (consistent with seaice & thsice pkgs) |
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3) Run-Off comes at the temp of surface water (with same Cp) |
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4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be |
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put directly into Latent Heat flux & should use water-vapor heat capacity. |
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5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent |
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with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL). |
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o pkg/seaice: simplify the use of CPP flags in JFNK-related files |
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(compile when SEAICE_ALLOW_JFNK is defined) |
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o pkg/thsice: |
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- fix oceanic flux diagnostics & timeave (left from new sequence of calls |
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implementation): move THSICE_AVE call after the advection (called directly |
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from thsice_do_advect.F). |
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o verification/global_ocean.90x40x15 and OpenAD: |
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New experiment for OpenAD is identical to the one in input_ad except that |
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multiDimAdvection=.FALSE., |
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There is still an issue with this. |
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o pkg/thsice: |
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- account for ice velocity (ocean relative velocity) in turbulent heat flux |
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at the base of the ice; update output of global_ocean.cs32x15 (icedyn) |
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and offline_exf_seaice (main test). |
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|
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checkpoint64f (2013/03/31) |
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o verification/OpenAD: |
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- new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran. |
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o verification/isomip, pkg/shelfice and OpenAD: |
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- add OpenAD setup to this exp and make shelfice package work with OpenAD |
| 186 |
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o verification/tutorial_global_oce_biogeo: |
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- update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h) |
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o verification/offline_exf_seaice: |
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- replace adjoint experiment (now similar to fwd input.thermo/ setup). |
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o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD: |
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- add OpenAD setup to this exp and make ptracers package work with OpenAD |
| 192 |
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o pkg/seaice/seaice_evp.F: |
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mask the asymmetric contribution of the ice-ocean stress (when |
| 194 |
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the turningAngle is non-zero) over open water to avoid stripes |
| 195 |
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in the EVP-solutions after many EVP-substeps. This does not change |
| 196 |
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the verification experiment (because turningAngle=0 in that experiment), |
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but will affect other EVP solutions with turningAngle.ne.0 |
| 198 |
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o verification, AD & TLM output: |
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- new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple |
| 200 |
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additions and multiplications which affect results at machine truncation |
| 201 |
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level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5, |
| 202 |
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lab_sea.noseaicedyn & offline_exf_seaice) and TLM output |
| 203 |
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(1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12 |
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digits of matching. |
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o pkg/seaice: |
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modify lsr-algorithm so that it vectorizes AND converges by using a |
| 207 |
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"zebra" method: split vector loop into two with step size 2; this |
| 208 |
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solves a general convergence problem for the JFNK solver on a vector |
| 209 |
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computer. It has the potential to even improve convergence for |
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non-vector machines, but it does change the results so it is turned |
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off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and |
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SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h |
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|
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checkpoint64e (2013/03/05) |
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o pkg/ecco and several verification experiments: |
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Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F |
| 217 |
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from ecco package, and revert to unified routine in model/src/ |
| 218 |
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Adjust verification experiments accordingly, especially gloal_oce_llc90 |
| 219 |
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Should conclude long-standing work by Gael to reconsile the_main_loop with |
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ECCO and will enable OpenAD's revolve loop in ECCO setup. |
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o pkg/generic_advdiff: |
o pkg/generic_advdiff: |
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- implement compressible flow method for multi-dim advection (similar to |
- implement compressible flow method for multi-dim advection (similar to |
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gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since |
gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since |
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- rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS |
- rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS |
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- use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner |
- use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner |
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o OpenAD support |
o OpenAD support |
| 247 |
Reorganize S/R call for overall time-stepping loop to facilitate |
Reorganize S/R call for overall time-stepping loop to facilitate |
| 248 |
OpenAD revolve loop replacement |
OpenAD revolve loop replacement |
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(new S/R main_do_loop.F) |
(new S/R main_do_loop.F) |
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o model/src: |
o model/src: |
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- add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3; |
- add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3; |
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- pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R |
- pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R |
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