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revision 1.1836 by jmc, Mon Mar 4 19:08:25 2013 UTC revision 1.1896 by jmc, Thu Jul 18 20:06:01 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg atm_ & ocn_compon_interf:
8      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
9        staggerTimeStep implementation) and disable (retired) corresponding
10        parameter.
11    o pkg/offline:
12      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
13      - add S/R OFFLINE_CHECK to print offline parameter summary
14        and stop if loading a file that is not used;
15      - enable to calculate GMRedi tensor, KPP mixing and convective index
16        when the corresponding file(s) is/are not specified (but pkg is used).
17      - comment out resetting of monitorFreq (to endTime) since it still useful
18        for monitoring CFL numbers and checking offline fields.
19    o OpenAD:
20      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
21        smaller standard output) and generate new (smaller) output (on baudelaire
22        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
23    o model/src:
24      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
25        (where external_forcing_adjust was called) and change list of arguments;
26      - merge external_forcing_adjust.F into external_forcing_surf.F
27      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
28        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
29        previously in file "balance_relax.F", now removed); remove corresponding
30        arrays in FFIELDS.h.
31      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
32        a hack for getting back surfaceForcingS (loaded from file) when using
33        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
34      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
35        (was getting only 11 digits for AD-grad, due to different truncation
36         error in AD code).
37    
38    checkpoint64j (2013/07/04)
39    o pkg/offline:
40      - to enable the use of other features with pkg offline (e.g., obcs),
41        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
42      - comment out "allowFreezing" (now active) in 2 offline testing exp.
43    o pkg/exf ALLOW_RUNOFTEMP
44      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
45      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
46      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
47    o pkg/atm_phys:
48      - allows to add some damping on uVel,vVel (strength only function of k).
49    o verification, ad-tests:
50      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
51        global_ocean_ebm and offline_exf_seaice.thsice.
52    o verification/halfpipe_streamice:
53      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
54        flux input boundary conditions to be ignored; a fix for this bug changed
55        verification results for forward test.
56      - add adjoint test.
57    o pkg/ptracers:
58      - allow to restart without SOM pickup (resetting SOM to zero).
59    o pkg/gmredi:
60      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
61      - It uses mixing length theory and suppression by steering level effects to
62        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
63        to JPO, for more details).
64      - It also uses the diffusivity to calculate an eddy induced streamfunction
65        based on a PV closure (rather than a buoyancy closure as in GM).
66      - New files added to pkg/gmredi:
67        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
68          induced overturning streamfunction (called from gmredi_calc_tensor)
69        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
70          for use in gmredi_k3d
71        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
72          the eddy diffusivity
73    
74    checkpoint64i (2013/06/18)
75    o pkg/cheapaml:
76      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
77        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
78        with pkg/cheapaml.
79    o utils/python: add subpackage for cubed sphere function, first example is
80        simple cs.pcol to plot 2D fields on a map
81    o pkg/streamice:
82      - This is a new package in MITgcm, which solves dynamic equations for ice
83         sheets and ice streams
84      - At the moment it is independent of atmosphere/ocean dynamics, or any
85        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
86        ed that this will change)
87      - There is a new verification exercise that tests it, halfpipe_streamice,
88        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
89        rectangular embayment
90      - halfpipe_streamice is forward-only for now, will have TAF test soon
91      - for questions, email dgoldber@mit.edu
92    o pkg/thsice:
93      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
94        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
95      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
96         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
97      - allow precip from pkg/cheapaml to make snow over seaice.
98    o pkg/cfc:
99      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
100      - remove atmos CFC 2-D arrays from common bloc (now local variables)
101      - change some hard-coded constant to run time parameter for reading and
102        and interpolating atmospheric CFC ; keep same default as previously.
103      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
104      - put arguments in standard order: myTime, myIter, myThid
105      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
106        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
107      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
108      - new routine to print summary of CFC params and check for consistency.
109    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
110      similar to thsice_advdiff.
111      Note that for the B-grid case the routine parameters uc/vc are overwritten.
112    o pkg/cfc:
113      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
114        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
115      - fix interpolation of atmphspheric CFC between Sorthern and Northern
116        hemisphere value.
117    o pkg/seaice:
118      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
119    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
120                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
121      - requires an additional time level that is stored in the pickup
122      - you can start with AB2 from a pickup without this time level with
123        pickupStrictlyMatch = .false.
124    
125    checkpoint64h (2013/05/26)
126    o pkg/cheapaml:
127      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
128        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
129      - consistent treatment of uWind,vWind location: assume everywhere in
130        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
131        (Note: was already the case for Tair,Qair advection);
132        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
133      - compute diabatic forcing only in the interior (excluding overlap regions)
134      - fill in array "Qsw" (for short-wave heating);
135      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
136        before any update (consistent with MITgcm state var diagnostics);
137      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
138        non periodic ; + adjusted for uWind,vWind (C-grid).
139    o pkg/seaice:
140      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
141        add explicitly pkg/exf in experiments that currently use pkg/seaice.
142      - allows to compile pkg/seaice without pkg/exf.
143    o tools/OAD_support:
144      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
145        of array "ourStepOf" in function rvNextAction (revolve.F90).
146    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
147      - change pkg name (to be used with other atmospheric physics pkg)
148        but by-pass CVS when making the new pkg so that we keep the CVS history.
149    o pkg/offline:
150      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
151        (previously called from pkg/dic_surfforcing_init.F)
152    o model/src:
153      - re-order sequence of calls within packages_init_variables.F, using
154        standard order, except for:
155         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
156         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
157    o new pkg: atm_phys
158      - add entry point and source code (previously in contrib
159          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
160        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
161      - re-order sequence of calls within packages_readparms.F,
162         packages_init_fixed.F and packages_write_pickup.F
163        (but skip packages_init_variables.F because of TAF issues).
164      - update contrib/*/atm_gray/ experiment.
165    o pkg/seaice (ITD code):
166      - simplify and fix the writing of pickup-files for ITD case
167    o pkg/seaice (ITD code):
168      - introduce floe size dependent lateral melt for ITD case;
169      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
170      - update seaice_itd experiment main output.
171    o pkg/thsice:
172      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
173        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
174        changed accordingly pkg/atm2d.
175    
176    checkpoint64g (2013/05/01)
177    o pkg/exf ALLOW_RUNOFTEMP
178      - if defined,  river and glacier runoff temperature can be read-in from
179        runoftempfile; runoftempfile needs to have same format as runofffile
180    o pkg/thsice (& pkg/bulk_force):
181      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
182        for energy content of Precip + RunOff & Evap (like with pkg/exf).
183      - change computation domain to always be the interior (without overlap).
184      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
185    o verification/tutorial_global_oce_biogeo:
186      - add preliminary OpenAD setup (still has problems)
187    o pkg/seaice:
188      - turn some parameters for choosing the convergence criterion of
189        the inexact Newton method (JFNK) into runtime parameters for convenience
190      - clean up seaice_calc_viscosities.F: remove/retire two options for
191        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
192        the results of lab_sea/input because a division has been replaced by
193        a multiplication with the reciprocal (sumNorm)
194      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
195        convergence of solver (changes results, of course), and to test some
196        new features
197    o model/src:
198      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
199      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
200      - move forcing adjustment (balancing surface forcing) in specific S/R
201        where might also be applied exchanges (if needed) to forcing arrays.
202    o pkg/shelfice:
203      - allow to specify the Ice-Shelf mass per unit area (instead of
204        shelficeLoadAnomaly) and do the conversion from one to the other
205      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
206        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
207        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
208        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
209      - update isomip experiment forward output (get machine truncation error
210        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
211    o verification/offline_exf_seaice:
212      revise data.seaice in input.thermo and input_ad and update results accordingly
213        HO = 0.2, SEAICE_areaLossFormula = 2,
214        SEAICE_growMeltByConv = .TRUE.,
215        SEAICE_doOpenWaterMelt = .TRUE.,
216      Improve consistency with input.thsice and fix the spurious 500m ice corners
217    o verification/global_ocean.cs32x15:
218      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
219        in icedyn (thsice+seaice-dyn) test and update output.
220    o verification/offline_exf_seaice:
221      - adjust list of tested variables (with testreport) and update
222        standard test output with better slection of monitored fields.
223    o pkg/cd_code:
224      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
225        experiment lab_sea.hb87
226    o tools/genmake2:
227      - change default makedepend from the system default to tools/xmakedepend:
228        When no makedepend is specified, select tools/xmakedepend it the test pass,
229        otherwise select the system default (if exist and pass the test) or
230        try to build cyrus-makedepend ; stop if none of the 3 works.
231    o pkg/exf & pkg/thsice:
232      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
233        for energy content of Precip + RunOff & Evap. Assumes:
234       1) Rain has same temp as Air.
235       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
236       3) Run-Off comes at the temp of surface water (with same Cp)
237       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
238        put directly into Latent Heat flux & should use water-vapor heat capacity.
239       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
240        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
241    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
242        (compile when SEAICE_ALLOW_JFNK is defined)
243    o pkg/thsice:
244      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
245        implementation): move THSICE_AVE call after the advection (called directly
246        from thsice_do_advect.F).
247    o verification/global_ocean.90x40x15 and OpenAD:
248      New experiment for OpenAD is identical to the one in input_ad except that
249        multiDimAdvection=.FALSE.,
250      There is still an issue with this.
251    o pkg/thsice:
252      - account for ice velocity (ocean relative velocity) in turbulent heat flux
253        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
254        and offline_exf_seaice (main test).
255    
256    checkpoint64f (2013/03/31)
257    o verification/OpenAD:
258      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
259    o verification/isomip, pkg/shelfice and OpenAD:
260      - add OpenAD setup to this exp and make shelfice package work with OpenAD
261    o verification/tutorial_global_oce_biogeo:
262      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
263    o verification/offline_exf_seaice:
264      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
265    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
266      - add OpenAD setup to this exp and make ptracers package work with OpenAD
267    o pkg/seaice/seaice_evp.F:
268       mask the asymmetric contribution of the ice-ocean stress (when
269       the turningAngle is non-zero) over open water to avoid stripes
270       in the EVP-solutions after many EVP-substeps. This does not change
271       the verification experiment (because turningAngle=0 in that experiment),
272       but will affect other EVP solutions with turningAngle.ne.0
273    o verification, AD & TLM output:
274      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
275        additions and multiplications which affect results at machine truncation
276        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
277        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
278        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
279        digits of matching.
280    o pkg/seaice:
281       modify lsr-algorithm so that it vectorizes AND converges by using a
282       "zebra" method: split vector loop into two with step size 2; this
283       solves a general convergence problem for the JFNK solver on a vector
284       computer. It has the potential to even improve convergence for
285       non-vector machines, but it does change the results so it is turned
286       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
287       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
288    
289    checkpoint64e (2013/03/05)
290    o pkg/ecco and several verification experiments:
291       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
292       from ecco package, and revert to unified routine in model/src/
293       Adjust verification experiments accordingly, especially gloal_oce_llc90
294       Should conclude long-standing work by Gael to reconsile the_main_loop with
295       ECCO and will enable OpenAD's revolve loop in ECCO setup.
296  o pkg/generic_advdiff:  o pkg/generic_advdiff:
297    - implement compressible flow method for multi-dim advection (similar to    - implement compressible flow method for multi-dim advection (similar to
298      gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since      gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
# Line 30  o pkg/seaice: reorganize seaice_lsr.F to Line 319  o pkg/seaice: reorganize seaice_lsr.F to
319    - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS    - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
320    - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner    - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
321  o OpenAD support  o OpenAD support
322    Reorganize S/R call for overall time-stepping loop to facilitate     Reorganize S/R call for overall time-stepping loop to facilitate
323    OpenAD revolve loop replacement     OpenAD revolve loop replacement
324    (new S/R main_do_loop.F)     (new S/R main_do_loop.F)
325  o model/src:  o model/src:
326    - 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;
327    - 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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