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revision 1.696 by heimbach, Sat Jul 8 00:29:20 2006 UTC revision 1.1002 by gforget, Wed Jun 11 19:32:27 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V  o pkg/grdchk: Add gradient check to etan0 perturbations.
8    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
9    o pkg/autodiff: more flexibility in zeroadj.
10      model/src: modifying do_oceanic_phys.F accordingly.
11    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
12    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
13      special setup of gmredi for which the adjoint is stable
14      enough for parameter optimization.
15    o bridging the gap between eddy stress and GM.
16      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
17          along with a change in CPP option (now ALLOW_EDDYPSI).
18      -> when using GM w/ GM_AdvForm:
19          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
20          is applied either in the tracer Eq. or in momentum Eq.
21          depending on data.gmredi (intro. GM_InMomAsStress).
22      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
23      The key modifications are in model/src/taueddy_external_forcing.F
24      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
25    checkpoint59r
26    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
27      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
28      fix option to read coriolis(@ cell-corner) from files with CS-grid.
29    o pkg/mnc: add some attributes to standard 1D-coordinate variables
30    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
31      mass points, when using mnc for output
32      - add runtime parameter (missing_value, missing_value_int) to override
33        default (which is the value of getcon('UNDEF'))
34    o pkg/mnc: prepare mnc for the actual use of missing values with the
35      diagnostics package: small fix in mnc_cw_readwrite.template and more
36      initialisation of never used fields
37      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
38      versions
39    o pkg/thsice/thsice_ini_vars.F added default initial values so that
40      thermodynamics sea ice solver does not blow up when some initial fields
41      are missing.
42    o move from external_forcing_surf.F to ini_forcing.F
43      the p-coord. hack consisting in using pLoad to set phi0surf ;
44      update output of tutorial_global_oce_in_p (affected @ truncation level).
45    o Freshen up a bit hs94.1x64x5, notably:
46      remove rotationPeriod and tRef=5*0. (adjoint only), and add
47      exactConserv=.TRUE.
48    o pkg/generic_advdiff:
49      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
50      applies to files where Temperature & Salinity 2nd Order moments are used.
51    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
52      this uses a dynamically allocated internal state data structure
53      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
54      and requires a fortran 90 compiler
55    
56    checkpoint59q
57    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
58       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
59    o Refresh tutorial_global_oce_biogeo, notably:
60      - change bathymetry (put back seamounts in ACC, use hFacs)
61      - change EOS (POLY3 --> JMD95Z)
62      - use Bryan-Lewis vertical diffusivity
63      - use multidimensional advection
64      - remove old virtual virtual in dic pkg, now done through ptracer pkg
65      - change a couple of parameters in dic pkg
66    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
67    o pkg/obcs: change default to OBCSfixTopo = .true.,
68      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
69      - replace "debugMode" with "debugLevel .GE. debLevB"
70    o implementation of TAF directives for gchem,cfc,dic
71    o remove "exp5" (replaced by tutorial_deep_convection).
72    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
73      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
74      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
75      --> changes results in exp4, seaice_obcs
76    o tutorial_deep_convection :
77      update the set-up and increase resolution and domain size ; start
78      from pseudo initial conditions = output at t=120mn in order to see
79      something happening when running testreport.
80    o pkg/seaice: add os7mp as an advection scheme
81                  add check for advection schemes
82                  add a flag for restoring T and S underneath sea ice
83    o pkg/my82: add netcdf-support and diagnostics
84    o thsice pkg:
85      - Now hsMax limits snow height by turning it into ice following
86        flooding scheme (and now conserving energy)
87      - Slight rewriting of the formula in thsice_calc_thick.F
88      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
89      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
90    
91    checkpoint59p
92    o gchem / dic / cfc :
93      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
94      - add new parameter files: "data.dic" & "data.cfc" ;
95      - various re-arrangement in initialisation & header file ;
96      - fix tutorial_global_oce_biogeo for multi-threaded test.
97    o pkg/dic: test for "pickup_dic" file when restarting ;
98      if no pickup-file, can restart with a re-initialised pH (same as it did
99      before) providing pickupStrictlyMatch is set to False.
100    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
101      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
102    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
103      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
104    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
105     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
106       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
107    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
108       scheme to use for vorticty-term ;
109     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
110       (with default selectVortScheme, return to original discretisation)
111     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
112    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
113    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
114      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
115      also fix diagnostics VISCAHW & VISCA4W.
116    
117    checkpoint59o
118    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
119    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
120      move a few statemens out the main loop into separate loops
121    o pkg/shelfice:
122      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
123        (kg/m^2/s), does not break tests, because in verification/isomip,
124        rhoConstFresh=rhoConst (by accident)
125      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
126      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
127        new file model/src/seawater.F, so that they are available for all pkgs.
128      - convert potential temperature into in-situ temperature. This changes the
129        isomip tests => update tests
130    o add a flag writePickupAtEnd (default=true) to be able to suppress
131      writing a pickup at the last timestep
132    o tools/mpack-1.6 :
133      - disable automake (not working) and autoconf (not needed).
134      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
135        also cleaner with much less compilation warnings.
136    o pkg/profiles:
137      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
138      (for "less than 32 characters name" compiler requirement)
139    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
140      conditions that have a different sampling frequency than S/T/U/V obcs
141    o pkg/diagnostics (stats-diags):
142      - fix global Min/Max in case 1 processor get only empty tiles
143    o genmake2: replace (4 times)
144         make genmake_tc_1.o >> genmake_warnings 2>&1
145      with
146         COMM="$CC $CFLAGS -c genmake_tc_1.c"
147         echo $COMM >> genmake_warnings
148         $COMM >> genmake_warnings 2>&1
149      to make genmake2 always see the value of CC as specified in the optfile.
150    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
151      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
152      - modify verification advect_cs test to test SOM-advection on CS-grid.
153    o pkg/ctrl:
154      - Rewrite of ctrl_map_ini_ecco.F,
155        introducing a generic routine (ctrl_map_ini_gen.F).
156      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
157    
158    checkpoint59n
159    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
160      number in dedicate array "hdiag":
161      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
162        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
163      - many small changes (integer format) for large number of diagnostics
164      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
165        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
166    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
167      usingSphericalGrid, this allows to define the rotated grid coordinates
168      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
169      geographical coordinates according to the inverse of the rotation defined
170      by the Euler angles, so that Coriolis parameter and online-interpolation by
171      exf works with the geographical coordinates on XC/YC/XG/YG.
172      Naturally, this feature does not work with all packages, so some
173      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
174      profiles), because there the coordinates are assumed to be regular
175      spherical grid coordinates.
176    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
177      - introduce isopycnal diffusion coefficient control.
178    o tools/adjoint_options:
179      - additional control vector components.
180    o pkg/mnc: have mnc create marginally meaning full coordinate variables
181      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
182    o pkg/mypackage:
183      - add example of read/write pickup for state-var ;
184      - add entry points to the main code for state-vars diags & write-pickup.
185    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
186      transitions for useExfYearlyFields
187      - add new subroutine that determines the file to read from for
188        use*YearlyFields = .TRUE. and .FALSE.
189      - add a verification experiment to global_with_exf that tests
190        useExfYearlyFields with USE_EXF_INTERPOLATION defined
191    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
192      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
193      subroutines (which could be generated from a template, because they are
194      almost identical), for now they are included in obcs_prescribe_read.F for
195      simplicity
196    o pkg/exf:
197      - add a little more diagnostic to exf_interp_read (in analogy to
198        mds_read_field, can be turned off with debugLevel < debugLevA=1)
199      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
200        ugly but fast by unrolling short inner loops, inserting a unroll=8
201        directive in routine lagran, and splitting a loop and making do while the
202        outermost loop (the latter requires the intoduction of index arrays)
203    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
204    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
205      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
206    o verification/seaice_obcs: updated for restart test and latest options
207    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
208      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
209      for now this is only available for the C-grid code and also within
210      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
211    
212    checkpoint59m
213    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
214      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
215    o gad_som : fix flux output (& diagnostics) to have same units as other  
216      advection scheme fluxes (was previously multiplied by deltaT).  
217    o added verification/seaice_obcs both to test seaice open boundaries
218      and to provide an example matlab scrpt for generating them
219    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
220    o pkg/salt_plume: clean up salt_plume_frac.F to
221      remove redundancy in PlumeMethod 1 and 4
222    o pkg/kpp: added saltplume diagnostics
223    o pkg/obcs and pkg/seaice:
224      - do not set uice and vice to zero when OB*icefile are unspecified
225      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
226      - moved seaice tracer obcs after call to seaice_growth
227    o pkg/salt_plume: added various options for salt plume depth
228      criterion and for vertical distribution of the salt
229    
230    checkpoint59l
231    o pkg/ptracers: new version of ptracers pickup:
232      read meta file and write only fields which are needed to restart.
233      ( same logic as main pickup file ; also using pickupStrictlyMatch )
234    o pkg/seaice:
235      - add timescale for melting due to warm mixed layer as a means of
236        setting SEAICE_availHeatFrac more conveniently
237      - add a CPP-flag/runtime parameter check for flooding algorithm
238      - reformulated availHeat in seaice_growth.F to be independent of AREA
239    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
240      unit changes
241    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
242    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
243      SX vector computer.
244    o pkg/seaice:
245      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
246        seaice forcing fields can now be read only through pkg/exf
247      - removed some unused halos
248    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
249    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
250      or U/VICE from U/VWIND before computing U/VSTRESS
251    
252    checkpoint59k
253    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
254      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
255    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
256      all experiments pass when compile with un-initialised var. checking option.
257    o added pkg/salt_plume
258    o script to test restart (for now, in MITgcm_contrib/jmc_script)
259    o pkg/seaice: new read/write pickup version.
260      read meta file and write only fields which are needed to restart.
261      ( same logic as main pickup file ; also using pickupStrictlyMatch )
262    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
263    o lab_sea.hb87: modify the domain & update output.hb87.txt :
264      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
265      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
266      process. Fixed here by closing the domain at the Northern boundary.
267    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
268    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
269      a set of consecutive levels in/from a 3-D array.
270    o pkg/ptracers:
271      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
272      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
273    
274    checkpoint59j
275    o in pkgs: dic, obcs, offline, rbcs:
276      standard way to compute coeff. for time interpolation between 2 time reccords
277      which retains full precision (& make results less dependent on compiler).
278      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
279    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
280      packages instead of reading ice cover and wind speed separately
281    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
282     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
283      to allow to compile customized code before the update)
284    o cleaning-up:
285      - fix CPP instruction syntax in pkg/obcs
286      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
287        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
288      - fix some threads issue in IO parts.
289    o pkg/dic:
290      - add tons of "_d 0" (--> much better testreports !)
291       and then update outputs of tutorial_global_oce_biogeo
292    o pkg/mom_fluxform:
293      add a special version of momentum advection intended to conserve momentum
294      next to a bathymetry step or a coastline edge. (default = off = #undef)
295    o new read/write pickup version:
296      - for now, only implemented for main (mdsio) pickup file.
297      - write out only what is needed to restart; merge pickup_nh , pickup_ph
298        and main pickup together.
299      - read meta file; read only what is needed to restart; stop if a field
300        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
301        if it make sense (even if the restart is not perfect).
302      - if no meta file, assume that pickup to read corresponds exactly to
303        a pickup that would currently be written.
304      - read pickup written in the old format (until checkpoint59i) if it
305        recognizes an old meta file (no field-list).
306      - add a meta file in exp. which starts from a pickup: 2 cases:
307        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
308         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
309        b) a meta file describing the content of the associated pickup file
310         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
311    o pkg/mdsio & pkg/rw:
312      - new routine to read a meta file ; new set of routine to read
313        Multiple-fields file (with meta file).
314    o added open boundary conditions capability for seaice
315        HSNOW, HSALT, UICE, and VICE
316    
317    checkpoint59i
318    o adjoint:
319      * fix multiDimAdvection adjoint
320        (partial recomputation problem by TAF for fVerT(:,:,kDown)
321        and comlev1 size definition (maxpass vs. max. number of tracers)
322      * verification/global_ocean.90x45x15 adjoint now tests
323        NLFS and multiDimAdvection using DST3 (=30)
324      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
325    o pkg/kpp: add "_d 0" to real constant (if missing);
326      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
327      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
328    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
329      for internal parameters related to restart process (formerly from PARAMS.h)
330      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
331    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
332      as argument. (only atm2d & obcs write_pickup have not yet been updated)
333    o pkg/monitor:
334      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
335      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
336      - account for deep Atmosphere factor and density factor (anelastic)
337    o added open boundary conditions capability for seaice HEFF and AREA
338    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
339      thermodynamics
340      - requires a little reorganization, which affects the testreport results
341        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
342        so that now the conservative form is tested
343      - add a few comments
344    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
345    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
346    o add new diagnostics to seaice: advective, diffusive fluxes (only for
347      multidim-advection, for scheme 2 they are not filled) and transports,
348      thermodynamic growth rates
349    o change units of EmPmR (inside the code, + within coupling interface)
350      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
351      Affects results @ truncation level (cg2d match) and update output of
352       experiments: lab_sea(6), global_ocean.90x40x15(10),
353      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
354      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
355      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
356      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
357    
358    checkpoint59h
359    o pkg/exf:
360      - improve vectorization by moving if-statement out of loops in
361        exf_mapfields, exf_radiation
362      - exf_bulkformulae.F: introduce 2D fields and vectorize code
363    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
364    o testreport:
365      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
366        monitor & update offline_exf_seaice exp. output.
367      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
368    o pkg/seaice:
369      - bug fix in the evp solver: boundary conditions were affected be
370        masking of zMax/zMin (changes results)
371      - minor bug fix in boundary conditions in seaice_calc_strainrates
372        (changes results for no_slip)
373      - seaice_lsr.F: make interpolation of eta dependent on boundaries
374      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
375      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
376        stress formulation and no-slip boundary conditions
377    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
378      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
379    o pkg/seaice: a first HSALT time stepping equation has been checked in
380    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
381      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
382      without requiring DO-IF statements
383    o pkg/thsice:
384      use continuous power-law function for partition of energy between lateral
385      melting/freezing and thinning/thickening ; old code using step function
386      still available with #undef THSICE_FRACEN_POWERLAW
387      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
388    o testreport: change AD testing : check against results/output_adm.txt
389      using same scripts as for forward test.
390    
391    checkpoint59g
392    o adjoint testing: in preparation for changing testreport:
393      - output format: cost and grad written on separated lines
394      - ad output results in directory "results" (instead of "results_ad")
395    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
396    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
397    o pkg/ecco: allow user defined cost function contributions
398    o testreport:
399      Allow to choose (per experiment) the list of tested output variables
400       and the main variable (used to issue a pass/FAIL ) ;
401      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
402      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
403      Also modify printing of summary:
404       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
405       b) echo the list of tested variables in the individual summary.txt of
406          each experiment.
407    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
408      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
409      (but still depend on the tile decompostion of the domain).
410    o pkg/seaice: change a discretization detail to make the B-grid code
411      "more symmetric". This change is likely to remove all "ridges/leads" that
412      where quasi-aligned with the grid in B-grid solutions. It may also be
413      the solution to the stress coupling issues with the B-grid.
414    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
415      remove .cvsignore from input dir. (since testreport no longer run here).
416    o pkg/thsice:
417     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
418     - fix reshaping of sea-ice just after advection:
419       melt all the ice only if ice-volume is too small.
420     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
421       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
422     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
423    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
424      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
425    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
426      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
427      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
428      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
429      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
430      -> update output.txt
431    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
432     this affects truncation error: -> update output.txt of exp:
433      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
434      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
435    
436    checkpoint59f
437    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
438    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
439      a bounded range (in forward mode)
440    o pkg/ecco, ctrl, autodiff and mom_common:
441     internal parameter controls, completements of implementations
442    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
443    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
444      (not seem any difference in testing results).
445    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
446       at face corners.
447    o pkg/generic_advdiff:
448     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
449      loop range indices for computing vertical advection tendency
450      and do the calculation in the interior only (no overlap) ;
451      for now, only implemented for SOM advection (to save CPU time).
452     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
453    o exch2 adjoint
454      First set of changes:
455      - add exch2 hand-written adjoint templates
456      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
457        This will require cleanup in pkg/autodiff/*.F
458        (changed routines currently kept separate in verif. code/)
459      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
460        that used to hide exch2 or cubed-sphere specific code
461        (commented via 'cph-exch2')
462    o pkg/seaice
463      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
464    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
465       output of global_ocean.cs32x15.thsice .
466    
467    checkpoint59e
468    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
469      for B-grid vector (not yet tested) and C-grid vector (<- only used
470      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
471    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
472      (#ifdef ALLOW_SALT_PLUME)
473    o gather_2d/scatter_2d: removed halo regions
474    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
475      scheme and the corresponding test case (under front_relax dir). For now,
476      only available with Skew-flux form and not yet tested in realistic set-up.
477      adjoint: store directives updated, but gradient checks deteriorated,
478      so maybe GM/Redi adjoint is now broken.
479    o seaice adjoint
480      * add AREA, HEFF, HSNOW as control variable
481        (should not change lab_sea results)
482      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
483    o pkg/seaice:
484      * added computation of saltFlux in seaice_growth;
485        For time being, sea ice salinity is assumed constant
486        contribution of snow flooding to freshening of sea ice is neglected.
487        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
488        defaults to 0.0 in order to maintain backward compatibility.
489        Typical values for SEAICE_salinity are 4 to 10 g/kg.
490      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
491      * added SEAICE_availHeatFrac, which specifies fraction of surface level
492        heat content used to melt or grow ice
493      * commented out cap of HICE: it helps keep ice thinner
494      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
495      * applied OBCS T/S mask to HEFFM sea ice mask
496    
497    checkpoint59d
498    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
499     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
500     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
501    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
502     and change default value of parameter "GM_Small_Number";
503     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
504       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
505       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
506    o pkg/ecco: cost function when applying pkg/smooth to controls
507    o pkg/ctrl: add forcingPrecond run time parameter
508    o pkg/seaice:
509     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
510     - fix bug in metric terms of u-equation in LSR solver (implicit part),
511       changes verification/lab_sea
512     - rearrange implicit part of u-equation in LSR solver to make it easier to
513       read, understand, and debug. This causes changes at the truncation level.
514     - fix (serious) bug in the boundary conditions (sign error in the implicit
515       part) of the LSR solver. Changes all LSR results.
516     - fixed problem with HSNOW initialization to avoid thick snow when AREA
517       is initilized with small values - does not change lab_sea results.
518     - added HsnowFile initialization capability
519    o pkg/smooth: addition to model/src and pkg/ctrl so allow
520     initialization of pkg/smooth and application to control vector
521    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
522    o dependencies: pkg/profiles requires pkg/cal
523    o pkg/profiles:
524     - added option ALLOW_PROFILES_GENERICGRID
525         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
526         that interpolation information (grid points and coefficients) is provided
527         within the netcdf input files.
528         -> sample matlab scripts can be found in MITgcm_contrib/gael
529         that allow you to prepare netcdf input files.
530     - also modified: cleaner include statements, cleaner error print statements,
531       cleaner stops when error, and more tests of the netcdf input files consistency.
532    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
533    o pkg/seaice:
534     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
535       requires a new routine: seaice_diagnostics_fill.F
536     - make sure that seaice does not move if not forced (pressure replacement
537       method, Hibler and Ip, 1995), changes results
538     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
539     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
540       It is turned off by default (=-1.), because it changes the results.
541     - make it possible to read AREA from a file, too.
542    
543    checkpoint59c
544    o add S/R and diagnostics for oceanic mixed-layer depth
545    o move GMRedi call after all vertical mixing schemes (including KPP)
546    o pkg/thsice:
547     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
548      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
549    o pkg/obcs:
550     - bug fix for balance code
551    o pkg/seaice:
552      - allow values of SEAICE_elasticParm > 1
553      - add new parameter SEAICE_evpTauRelax as an alternative
554        to SEAICE_elasticParm
555      - make lsr boundary conditions free slip (by default), changes result
556      - add code for no slip boundary conditions for lsr
557      - set minimum of zeta to zero (and not 4e8) (changes results)
558      - add a cap on AREA after advecting AREA if seaice_growth is not called
559    o change calculation of Visbeck K:
560      - no longer depend on tapering scheme; instead, compute slope (limited
561        by GM_maxSlope). this is equivalent to what was comuted before with
562        clipping or linear tappering.
563      - fix vertical averaging (wrong by 1/2 level)
564      - leave the old version (but will not be maintained) within
565        #ifdef OLD_VISBECK_CALC / #endif
566      - update output of exp. ideal_2D_oce
567    o change error catch in calc_r_star to improve vectorization
568    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
569      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
570    o adjoint:
571      Re-organized adjoint checkpointing according to Matt Mazloff
572      (but with modifs/completions/cleanups)
573      Storing is now bundled into large arrays to optimized I/O
574      (and second step in cleanup of the_main_loop)
575    
576    checkpoint59b
577    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
578      - export/import (between ocean & coupler) fields needed for ocean DIC.
579    o pkg/seaice:
580      - get rid of three more exchanges seaice_calc_viscosities (required
581        different loop boundaries in seaice_lsr and seaice_ocean_stress)
582      - bug fix in seaice_ocean_stress (update of lab_sea required)
583      - reduce loop boundaries to necessary minimum also in seaice_evp
584      - go back to the old way of computing deltaC/Z as the adjoint likes that
585        better
586    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
587      passive tracer to an Age Tracer) + update output.txt
588    o pkg/exf:
589      - implement A-grid / C-grid selection for wind-stress input files.
590      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
591      for now, in exf_bulk_largeyeager04.F only :
592      - change implementation for case where windspeed + 2. components wind-stress
593        are read-in. AND use rhoConstFresh to convert evap.
594    o pkg/seaice:
595      - use correct EXCH_UV for wind-forcing (on A-grid).
596      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
597        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
598    o pkg/exf:
599      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
600      EXF_INTERPOLATION:
601      - merge global_with_exf/code version of exf_interp_read.F
602        to the main code ;
603      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
604        reading the file ; Important: This options needs to be defined to recover
605        previous code.
606        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
607      - no longer loose real*8 precision along the way when using exf_iprec=64.
608    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
609      - change discretisation of evp-solver in order to avoid another exchange
610        (changes lab_sea) and clean up a little
611      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
612        help the adjoint (this also changes the results slightly)
613      - add a few "_d 0" where they had been missing in seaice_evp.F
614      - cleaning up: remove unused seaice_calc_rhs.F
615    o pkg/exf: some cleaning-up:
616      - change various "constants" into runtime parameters
617      - cleaned-up Large&Yeager04 routine which should eventually
618        replace exf_bulkformulae.F (changed names of S/R and CPP)
619        and merged various ALLOW_ATM_WIND options
620     only used with thsice pkg (in thsice_get_exf.F):
621      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
622        which are used when useStabilityFct_overIce=TRUE (= the default)
623      - change default values of ice & snow emissivity and scale downward LW
624        by ice & snow emissivity.
625    o pkg/thsice:
626     fix few little problems, in thsice_calc_thickn.F:
627      - growth vertically (and not laterally) if iceFrac == iceMaskMax
628      - melt only laterally if hIce < hThinIce (as the comments say)
629      and in thsice_extend.F:
630      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
631      - start to form ice as soon as the minimum ice-volume is reachable.
632     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
633      and cpl_aim+ocn
634    o pkg/kpp
635     - move computation of surface related input fields to KPP into a new
636       subroutine kpp_forcing_surf.F
637     - remove wrong (within bi,bj loops) EXCH calls.
638     - little cleaning (add argument myThid in last position, cvs header ...)
639     - for now, fix conservation problem by exchanging KPPviscAz (may not
640       be the best fix)
641    o pkg/seaice
642     - check for inconsistent evp parameter/cpp-flag combination
643     - remove leftover errIO flat for obsolete name list error handling
644    o OpenAD
645     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
646    
647    checkpoint59a
648    o pkg/seaice: some parameter clarifications and a little bit of clean up
649    o pkg/thsice: rename run-time parameters:
650       himin       -> hIceMin
651       himin0      -> hThinIce
652       hihig       -> hThickIce
653       i0          -> i0swFrac
654       transCoef   -> bMeltCoef
655       frac_energy -> fracMelting
656      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
657       with default values (for now) that do not change the results.
658      remove old version of thsice vars advection in pkg/seaice.
659    o in FFIELDS.h:
660      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
661      - make pLoad & sIceLoad always available (but still only used if
662         ATMOSPHERIC_LOADING is #define).
663    o pkg/kpp: replaced _KPP_RL with _RL
664    o bug fixes for vertical diffusivity computations when both KPP and
665        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
666        are no longer updating the vertical diffusivity array
667        (passed as argument) but are (re-) setting those arrays.
668    o pkg/seaice: fix bug in evp solver, while doing that
669      - change (improve?) discretization of stress computations for both
670        cgrid-lsr and evp solver
671      - add a new routine to compute strain rates
672      - the above changes lab_sea results
673      - add no slip conditions for evp solver (off by default), lsr-version
674        may follow
675      - fix exchange for shear at Z-points (does not change lab_sea)
676      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
677        (to force the user to pick a time step since there is not "safe" way
678        of choosing it)
679      - add principal stress diagnostics
680      - rearrange fields for evp a little to avoid having to call a: too many
681        exchanges and b: exchanges for stress trensor components which we do
682        not have.
683      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
684        of evp, complete rewrite for lsr case (latter is does not yet work
685        in all cases)
686    o pkg/kpp: add code to have mixing in shelf ice caverns
687      - add myThid to all kpp routines (long overdue)
688    
689    checkpoint59
690    o pkg/exf:
691      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
692        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
693      - move exf header files from lower_case.h to UPPER_CASE.h ;
694        add missing cvs Header & Name
695      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
696      - add namelist param. selectStressGridPosition, exf_monFreq
697      - retire many _CLIM routines, and remove data.exf_clim
698        + params moved to data.exf
699        + climsst, climsss now handled by exf_set_gen, i.e.
700          climss?period=0 refers to constant field,
701          climss?period=-12 to monthly forcing
702      - split up namelists in data.exf
703    o pkg/seaice:
704      - remove seaice_exch and seaice_exch_uv
705      - remove superfluous exchange of theta
706      - add myThid to seaice_budget_ocean/ice
707      - add new interface for atmospheric wind forcing (C-grid only)
708        + new routine
709        + two new field (taux, tauy for stress over ice)
710        + removed one global field (DAIRN) for C-grid case only
711    o pkg/thsise
712      - 2nd set of modifs for thsice adjoint in conjunction with exf
713    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
714    
715    checkpoint58y_post
716    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
717      vertical diffusivity, similar to that in MOM4; turned on using
718      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
719      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
720    o Added capability for 3D specification of background vertical diffusion
721      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
722      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
723      "data" file that contains the 3D vertical diffusivity coefficients.
724    o ice dynamics (pkg/seaice) with thsice thermodynamics:
725      - add code within pkg thsice to advect & diffuse sea-ice fields
726      similar to (and will replace) what has been added in  seaice_advdiff.F,
727      but: - conserving Mass, Heat & Salt.
728           - better when using non-linear advection scheme (not yet fully tested)
729           - can also be used in atmospheric set-up (for now, only the diffusion).
730    
731    checkpoint58x_post
732    o IO option for global-file compact format:
733      - add options when generating topology (utils/exch2/matlab-topology-generator)
734      - add I/O capability (pkg/mdsio).
735      - adapt utils/matlab/rdmds.m to read this format.
736      for now long-line format not yet supported by pkg/mdsio (& exch2).
737    o shelfice: add a few diagnostics
738    
739    checkpoint58w_post
740    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
741      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
742      (and replace horiVertRatio in NH code).
743      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
744                         and tutorial_plume_on_slope (sensitive to truncation)
745    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
746      directly to drive seaice model (C-grid only)
747    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
748     - reintroduce computation of wind from stress,
749     - compute tau (in exf_bulkformulae.F) from windstress averaged to
750       mass points to avoid tau = 0
751     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
752    o rdmnc.m: make it work with "global" files created with gluemnc
753    o rdmnc.m : some improvements in dealing with singleton dimension
754      (tested on all testreport mnc output files).
755    o genmake2: disable pkg/profiles if netcdf test fails.
756    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
757    o move call to cal_readparms up to make calendar parameters/variable available
758      to all packages
759    
760    checkpoint58v_post
761    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
762      useDynP_inEos_Zc tested.
763    o pkg/exf: changes to properly interpolate/mask/scale initial fields
764    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
765      and portions thereof.  See read_cs.txt for description and examples.
766    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
767      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
768      following the great-circle arc between those 2 points.
769    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
770      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
771    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
772     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
773     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
774     - still needs work (not working with some options ; efficiency to improve)
775       and serious testing.
776     - use this scheme for temperature & salinity in 2 advection test exp.:
777       advect_xy & advect_xz, respectively.
778    
779    checkpoint58u_post
780    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
781    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
782    o testreport: add option "-skipdir" to skip some test.
783    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
784      momentum calculation.
785    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
786    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
787      remove checkpoint.F and the_correction_step.F (no longer used);
788      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
789    o add option (linFSConserveTr) to correct for tracer source/sink due to
790      Linear Free surface
791    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
792    o pkg/thsice: fix reading mnc-pickups
793    
794    checkpoint58t_post
795    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
796    o pkg/mdsio:
797     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
798       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
799       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
800     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
801     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
802       either MDS_READ_FIELD or MDS_WRITE_FIELD )
803     - new S/R (to replace MDSWRITEMETA), which allows to write more
804       informations (variable names, time ...) to meta files.
805     - modify rdmds.m to give back the meta file content.
806    o pkg/diagnostics: change vertical interpolation to be safer, and more
807       flexible (define p-levels to interpolate to in data.diagnostics);
808      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
809       diagnostic pointer.
810    o pkg/seaice: more cleaning up of seaice_growth, added many comments
811    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
812    o fix multi-category seaice:
813     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
814       SEAICE_MULTICATEGORY
815     - fix short wave heat flux
816    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
817       and allow to use EVP solver. Change forward lab_sea: test both EVP
818       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
819    o Initial check-in of lab_sea adjoint
820      (very similar to natl_box_adjoint/code_seaice)
821      * used C-grid and EVP solver
822      * used KPP, GM/Redi
823      * uses inAdExact=.TRUE.
824      * gradient checks fail for both ADM and TLM
825        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
826        f.d. gradients actually seem more problematic than ADM, TLM gradients;
827        issue is related to forward mismatch between g77 an ifort
828    o pkg/seaice: overhaul of thermodynamics
829     - growth.F and groatb.F are replaced by new routine seaice_growth.F
830     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
831     - move a few global fields out of SEAICE.h into seaice_growth.F and
832       make them 2D (FICE/QNETO/ ...)
833     - remove FO (it is the same as QNETO)
834     - introduce a few local fields to avoid modifying external fields such
835       as atemp, etc.
836    
837    checkpoint58s_post
838    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
839      changed exf_set_gen.F so that
840        genperiod=0 means input file is one time-constant field and
841        genperiod=-12 means input file contains 12 monthly means
842    o CG2D: use pre-computed solver main-diagonal (stored in common block);
843      this affects truncation error ; generate new output file for exp. which
844      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
845        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
846        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
847        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
848        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
849        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
850    o start implementation of deep-atmosphere and anelastic formulation
851    o verification: remove 2nd copy of input files and use script "prepare_run"
852      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
853    o mom_common/vecinv/fluxform: fix a few initialisation isssues
854    o profiles: fix for multithreaded case
855    
856    o diagnostics: rename few diags:
857      s/'PRESSURE'/'RCENTER '/g
858      s/'TICE    '/'oceFreez'/g
859      s/'TAUX    '/'oceTAUX '/g
860      s/'TAUY    '/'oceTAUY '/g
861      s/'SWFLUX  '/'oceQsw  '/g
862      s/DIFx/DFxE/g
863      s/DIFy/DFyE/g
864      and add few ocean-forcing diagnostics:
865      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
866    o modifications to pkg/seaice/growth.F and budget.F, which change results of
867      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
868      as actual snow thickness.  It now refers everywhere to effective snow
869      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
870    
871    checkpoint58r_post
872    o modifications to pkg/seaice/growth.F, which change results of
873      lab_sea experiment: fixes pertain to melting snow over open water, to
874      masking EVAP under sea ice, and to using the correct AREA variable for
875      computations of EVAP, PRECIP, HSNOW, and GHEFF
876    o add ability to read bathy, salt, and theta using MNC (off by def)
877    o add flooding algorithm and advection of HSNOW for pkg/seaice;
878      both are turned off by default and do no change any results
879    o seaice advection with pkg/thsice: a step toward the use of non-linear
880      advection scheme, but #ifdef or commented out for now (requires more EXCH).
881    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
882      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
883      in natl_box (affects results @ truncation level: update output.txt)
884    o multi-threading and IO:
885      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
886      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
887        (needed to work with SingleCpuIO): tested in all verif. exp.
888    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
889      affects the results (but none of the verification test uses this scheme).
890    o Adding some pkg/diagnostics capability to pkg/seaice
891      (will certainly be subject to changes)
892    o ctrl: adding new control variables:
893      lwflux, lwdown, evap, snowprecip, apressure, runoff
894    
895    checkpoint58q_post
896    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
897      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
898      high_res_cube configuration by 4% on Columbia.
899    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
900      add (in global_with_exf/code) a version of EXF_INTERP_READ without
901      dynamical allocation (seems to work in multi-threaded).
902    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
903      single CPU io) so that TAF does not have to see EESUPPORT.h
904    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
905    
906    checkpoint58p_post
907    o obcs: stop if obcs is used with useCDscheme = .true.
908    o shelfice:
909     - fix a sign error so that no slip at shelfice interface works
910     - remove stop for combination non-hydrostatic code and shelfice. That does
911       not mean, that the results are correct, but at least they are numerically
912       stable
913    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
914    o added adjoint exch routined for all exch*3d* routines
915      and updated flow directives
916    
917    checkpoint58o_post
918    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
919      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
920    o change controling S/R for writing pickup file (new S/R do_write_pickup)
921      and clean-up reading/writing of pickup files.
922    o fix local version of read/write pickup (NH part) in rotating_tank/code
923    o simplify EXCH interface:
924     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
925     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
926    o added the regrid package
927    o shelfice:
928     - add a simple boundary layer scheme to reduce noise
929     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
930    
931    checkpoint58n_post
932    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
933       local variable (not in common block).
934    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
935      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
936      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
937        to work with SingleCpuIO.
938    o add "_d 0" to real constant of pkg/cfc subroutines ;
939       update exp. cfc_exemple & tutorial_cfc_offline output files.
940    o multi-threading and IO:
941      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
942        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
943      - barrier before and after reading.
944      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
945      - avoid using MDS_WRITELOCAL for LAND pkg output.
946      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
947        common-block variables ; Allows multi-threading with master-thread IO.
948    o change default MAX_NO_THREADS from 32 to 4 ;
949      and stop cleanly when MAX_NO_THREADS is too small.
950    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
951    
952    checkpoint58m_post
953    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
954       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
955    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
956       keep global_ocean.90x40x15 (for AD testing) with former secondary test
957       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
958    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
959        add MITgcm_tutorials (= code + all the tutorials)
960    o ecco, option to compute cost for total ssh (mean+anom)
961    o consistent with addition of ptracer and ssh in pkg/profiles
962    o profiles: adding ptracer and ssh
963    o testreport: change multi-test output-file name
964      (from output.txt.{name} to output.{name}.txt)
965    o profiles: now ok for mutli-tiles case
966    o seaice: add 4 parameters for different advection schemes for area,
967      (effective) seaice thickness, enthalphy, and snow height. Their default
968      is the standard parameter SEAICEadvScheme
969    o calc_gw:
970     - add cosFacU in zonal viscous flux (harmonic.visc.).
971     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
972       of tutorial_plume_on_slope.
973    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
974    o calc_gw: true flux-form, account for horizontal grid spacing.
975      update rotating_tank results, but not plume_on_slope (affected at
976      truncation level, 11 digits).
977    
978    checkpoint58l_post
979    o calc_gw:
980     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
981     - remove side-drag for now (need to fix it); update plume_on_slope results.
982     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
983  o commit code to make SST/SSS weights spatially variable  o commit code to make SST/SSS weights spatially variable
984    (based on either variable in-situ or variable initial T/S weights)    (based on either variable in-situ or variable initial T/S weights)
985  o pkg/ecco:  o pkg/ecco:
# Line 15  o pkg/ecco: Line 990  o pkg/ecco:
990      (sflxumm, sfluxmm2, bal_sfluxmm)      (sflxumm, sfluxmm2, bal_sfluxmm)
991    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,    * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
992      including separate counting and multipliers      including separate counting and multipliers
993    o pkg/rbcs
994      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
995    
996  checkpoint58k_post  checkpoint58k_post
997  o testreport:  o testreport:

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