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revision 1.926 by jmc, Tue Dec 18 02:01:41 2007 UTC revision 1.1126 by jmc, Wed Jun 17 20:26:00 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o model/src:
8      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
9       to avoid "_diags" naming if no relation to pkg/diagnostics.
10      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
11       file and only call PLOT_FIELD_XYZ if debugMode=T.
12      remove few PLOT_FIELD_XY calls outside initialisation.
13      remove few unnecessary BARRIER.
14    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
15      of salt_plume package in Southern Ocean
16    o pkg/thsice:
17     - fix hOceMxL in overlap (needed for sea-ice advection);
18       update output of experiment global_ocean.cs32x15.icedyn.
19    o pkg/seaice:
20     - make the (placeholder-)tracer IceAge a little more meaningful
21      by avoiding ridging of age due to convergent ice flow
22     - add diagnostics for surface temperature
23    
24    checkpoint61p
25    o eesupp (global_max & global_sum):
26     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
27     - remove starting & endding barrier (no longer needed)
28    o pkg/mdsio, writelocal:
29       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
30       (remove the STOP): uses shared buffer IO to store data from all threads
31       and then let master-thread write nThreads tiles.
32    o pkg/mdsio (read/write field):
33     - tiled IO done in 1 piece (all levels at a time);
34     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
35     - multi-threaded: allow to read/write local (non-shared) array
36       (was already working with singleCpuIO ; now works also without);
37       => no longer needs barrier call after reading a file (added inside
38       mds_read/write field).
39     - move barrier calls outside gather/scatter_2d to mds_read/write_field
40    o pkg/obcs/exf
41      - exf_getffieldrec.F: add a few ". _d 0" and
42                            add code to catch the case fldperiod = 0.  
43      - obcs_precribe_read.F: change if statements so that they match
44                              the variable type (_RL)
45      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
46        exf_iprec) as part of namelist EXF_NML_01
47    o pkg/mdsio:
48      - read/write tiled (local) files: read/write 1-level tile chunk at a time
49        (instead of segment of length sNx); expected to speed up tiled IO.
50    o pkg/exch2:
51      - take buffer copy from/to array out of S/R exch2_send/recv into new
52        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
53        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
54      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
55      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
56        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
57        including Topology header file (and common blocks).
58      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
59        remove 2nd exch call in exch2_s3d_rx (no longer needed).
60      - document S/R arg. list (+ update some comments)
61    o pkg/seaice:
62      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
63        temperature and humidity over sea ice based on climatological values.
64      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
65        of LSR (this change is expected to change the results slightly because now
66        it uses slightly difference moduli from the second last LSR solution, but
67        that is more consistent with the stress computations; this part of the code
68        is not tested in the verification experiments)
69      - fix diagnostics for flux of ice in case of B-grid
70      - turn strain rates eij and press into global fields within global
71        common block in SEAICE.h for more straighforward diagnostics
72      - fix diagnostics for principal stress components, press, zeta, eta
73        to give something meaning full
74    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
75      new output (all 4 tests) using default rotationPeriod.
76    o pkg KPP:
77      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
78      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
79        and normal grid from 1 to Nr)
80    o Fix computations of L4rdt in mom_calc_visc.F
81    o eesupp:
82      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
83      should be called before a "stop" if we know that all process are going
84      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
85    
86    checkpoint61o
87    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
88    o model/src/ini_curvilinear_grid.F:
89       compute angleSin/CosC when they are not read from a file
90    o pkg/seaice:
91       add pseudo time stepping for LSOR
92    o pkg/exch2:
93       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
94    o pkg/seaice:
95       Adding separate sea ice albedo, drag coefficients, and HO in Southern
96       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
97    o SingleCpuIO:
98       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
99    o pkg/seaice:
100       put exchanged variable in (local) common block for MPI+Multi-Threads
101       to work (necessary with exch1, and for now with exch2 too).
102    o verification: to get more experiments tested with mpi, mth and mpi+mth,
103      change tiling of:
104       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
105       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
106      update output of exp:
107       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
108       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
109      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
110                       (note: output.txt generated on faulks using only 1 tile)
111    o eesupp & mdsio (SingleCpuIO):
112     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
113       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
114       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
115     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
116     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
117       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
118    o pkg/exch2:
119     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
120       read parameter file "data.exch2" if it exists; otherwise try default regular
121       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
122     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
123       with new code (not to be used, just as a backup solution).
124     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
125       in utils/exch2/input.
126    
127    checkpoint61n
128    o eesupp & mdsio (SingleCpuIO):
129      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
130        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
131        receive real*4 array (instead of real*8) to read/write 32.bit files.
132        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
133         and remove new mapping S/R)
134    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
135      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
136        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
137        when using exch2. Add S/R to map global io-buffer to global model array.
138      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
139    
140    checkpoint61m
141    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
142      and add 3 other S/R for other types (R4,R8,RS).
143      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
144    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
145     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
146     - reduce number of macro definitions (keep only those which are used);
147       can always call directly the corrresponding S/R if needed.
148     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
149       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
150     Fixed wrong type of arg in:
151       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
152       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
153     To fix: global_sum of var in common block is wrong (multi-threaded) in:
154       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
155     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
156    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
157      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
158    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
159    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
160      edges are closed (zero depth); might happen with "blank tiles";
161      for now, disabled if using OBCS.
162    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
163      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
164    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
165      to reduce length of 1.D array print in STDOUT.
166    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
167      + use 48 tiles (16x8): this will allow to test "blank tiles".
168    o start to test MPI + multi-threaded (change testreport to skip tests
169      where number of tiles do not match).
170    o genmake2: add option "-omp" to turn on Open-MP ;
171      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
172    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
173      and keep the original tile numbering. Note: compatible with old
174      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
175    
176    checkpoint61l
177    o Overlaps had been forgotten in calculating ijk keys : fixed
178    o fix cyrus makedepend for gcc 4.4
179    o experiment fizhi-cs-aqualev20:
180      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
181      and generate new output. Note: new output is much closer to the old
182      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
183      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
184    o pkg/fizhi:
185     - change to avoid indices going deliberately over array-bounds
186     - remove unnecessary MPI stuff
187     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
188     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
189       does not go over array-bounds and therefore returns reliable output.
190     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
191       this S/R has 4 output arguments, which are used inside "get_alarm";
192       when it is called with the same variable "ndum" in place of several
193       output arguments, this produces weird side effect inside "get_alarm"
194      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
195       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
196       address) and produces error.
197    o tools/gemake2: (March 27-29 2009)
198      with option "-mpi": link *_mpi files from "MODS" dir (this is what
199      testreport does).
200    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
201    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
202       update lab_sea.lsr & lab_sea.salt_plume results
203    o pkg/seaice:
204      Major overhaul of the LSOR solver: change discretization from original
205      finite differences to finite volume. The old routine is still in the
206      file seaice_lsr.F and can be turned on with the CPP-flag
207      SEAICE_OLD_AND_BAD_DISCRETIZATION
208      Along with this change, the discretization of the strain rates is changed.
209      The same flag turns on the old discretization in seaice_calc_strainrates.F
210      All verification experiments with seaice are affected (except for
211      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
212      results by setting the above flag.
213      Further changes involve changes in defaults:
214      - ALLOW_FLOODING is defined and turned on by default
215      - SEAICEadvSnow = .true. is now the default
216      - SEAICEadvSalt = .true. is now the default
217      - SEAICEadvAge  = .true. is now the default
218      - SEAICE_clipVelocities  = .false. is now the default
219                                         (as per J. Zhang's recommendation)
220      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
221        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
222      - seaice_growth: replace computation of UG by a simple copy from wspeed
223    
224    checkpoint61k
225    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
226      seaice_lsr: fixed a few metric terms,
227                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
228                  add more debugging diagnostics
229      seaice_evp: removed superfluous many metric terms of FV discretization
230                  of stress divergence
231                  affects lab_sea, lab_sea.hb87
232      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
233                  of stress divergence for non-evp solver
234                  (this part is not tested anywhere)
235      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
236                  they were effectively only half slip
237                  affects lab_sea.hb87
238      updated all relevant verification experiments (except lab_sea//output_adm.txt
239        which was left over, but fails at level 7 & 6)
240    
241    checkpoint61j
242    o pkg/seaice: turn a few hard wired parameters into run time parameters
243    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
244      time in seconds as promised by the usints in seaice_monitor and exf_monitor
245    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
246      that are not cubed-sphere grids
247    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
248    o pkg/ctrl:
249      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
250    o non-hydrostatic (calc_gw.F):
251      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
252      update output of exp. global_ocean.cs32x15.viscA4
253    o remove backward compatibility for thetaMin,phiMin
254      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
255    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
256      interpolated wind field not only for curvilineargrid=.true., but also
257      for a rotated grid (rotateGrid=.true.)
258    o pkg/exf: add capability to bypass interpolation for runoff
259      by setting yet another CPP-flag
260    o eesupp/src, B-grid exchange:
261      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
262    o autodiff
263      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
264      allows to switch to single-prec common blocks;
265      corresponding switch occurs in tamc.h, integer isbyte
266      TAF store directivs "byte" and "kind" seem equivalent;
267      Most tamc.h have been updated correspondingly.
268    
269    checkpoint61i
270    o autodiff:
271      fix autodiff_sore/_restore indices for obcs
272      (spotted by I. Hoteit, M. Mazloff)
273    o pkg/autodiff, pkg/ctrl:
274      Add flag to reduce all tapelev I/O to single-prec.
275      In data.ctrl set
276        doSinglePrecTapelev = .TRUE.
277    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
278      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
279    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
280      real fresh water flux (not yet)
281    o pkg/mdsio & rw:
282     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
283     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
284    o pkg/flt:
285     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
286       init_fixed & ini_varia.
287     - clean-up & simplify linear interpolation S/R:
288       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
289     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
290     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
291     - add vert. coordinate & horiz. indices to output files.
292     - change vertical position in initial condition, from index to depth [m].
293     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
294       (easier to get to a curvilinear grid) ; delX,delY no longer used.
295    o pkg/ggl90: a few modifications:
296     - fix bottom boundary condition, and interpolation of KappaE
297       near top and bottom
298     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
299     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
300     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
301    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
302      (maintain temporary backward compatibility, until next checkpoint)
303    
304    checkpoint61h
305    o pkg/diagnostics with "periodic averaging diagnostics":
306      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
307    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
308    o pkg/obcs: fix loop ranges for balancing code
309    o pkg/flt:
310     - improve criteria for finding which tile owns a float.
311     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
312    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
313      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
314      with ocean biogeo)
315    o pkg/flt:
316     - do some cleaning and fix the restart ;
317     - add output.txt in flt_example/results to get this pkg tested.
318    o genmake2: add an EXTENDED_SRC option and flag.
319       for now, cannot be turned on on command line (only through genmake_local)
320    o pkg/mdsio: read/write vector:
321     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
322     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
323       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
324     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
325      (drop to 4 digits matching for grad). But this test does not look very
326      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
327    
328    checkpoint61g
329    o pkg/flt:
330      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
331       + make OPTIONS file more standard.
332      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
333      - fix _BYTESWAPIO CPP-Flag
334      - standard reading of file-parameter "data.flt"
335      - fix argument list of S/R FLT_RESTART
336      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
337    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
338    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
339      a still unfixed compiler/optimization bug
340    
341    checkpoint61f
342    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
343      update results of global_ocean.cs32x15.icedyn test.
344    o move getcon.F from model/src to pkg/fizhi.
345    o pkg/exf: add parameter for extrapolation of temp up to the surface
346       and option to prevent negative evap (in bulk_largeyeager04 only).
347    o Prather Advection scheme: fix tracer conservation for divergent flow
348      (e.g., when using NonLin Free-Surface).
349    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
350    o gmredi (Visbeck-variable-K):
351     - add more parameters to Visbeck-variable-K.
352     - use a 5 points average for dSigmaR in Visbeck-K calculation
353       (more "homogenous": same stencil and same weights as in dSigmaH)
354     - update output of ideal_2D_oce experiment.
355    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
356      (#undef REAL4_IS_SLOW)
357     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
358       coordinate variable
359     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
360       (surface forcing fields), removes some of the functionality
361     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
362     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
363       probably not all: copy _RS surface flux fields to RL field before
364       calling DIAGNOSTICS_FILL
365     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
366       real*4 (CALL EXCH_*_RS) versions.
367     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
368       (generate new output).
369    
370    checkpoint61e
371    o gmredi (Visbeck-variable-K):
372      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
373      - change computation of Visbeck-K where Slope > Smax :        
374        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
375        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
376    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
377      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
378    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
379    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
380      does not become too large (to avoid precision problems in implicit-diffusion
381      solver); update ideal_2D_oce output.
382    o pkg ggl90:
383      - in ggl90_cal.F: compute only one set of visc/diff, used to
384        step forward TKE/T/S/momentum
385      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
386        have Prandlt =1)
387    o gmredi (fm07):
388      - add lower limit on Transition layer thickness + lower limit on 1/lambda
389      - allow to set few more params from data.gmredi
390    o pkg ggl90:
391          - add missing sqrt(2) factor in computation of mixing length
392            scale in ggl90_calc.F
393            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
394    
395    checkpoint61d
396    o adjoint modifs
397      - adapt to new field rhoInSitu
398      - allow to revert from StoreDynVars2D, StoreDynVars3D
399        to individual fields
400        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
401    o store 3-D (in-situ) density in commom block (DYNVARS.h)
402     - save 1 rho computation.
403     - no longer modify T & S inland when using down_slope pkg.
404    o gad_som : allow to switch to SOM advection for T & S without corresponding
405      pickup files (using new S/R: MDS_CHECK4FILE).
406    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
407      (for useSingleCpuIO to work in multi-threaded)
408    o pkg/shelfice:
409     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
410       with SHELFICEtopoFile in data.shelfice
411     - move code for reading ice shelf topography and modifying hFacC into separate
412       subroutines of the shelfice package
413     - separate initialisation of "fixed" and "variable" variables
414     - kTopC is not (yet) replaced by kSurfC, although this is possible
415    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
416    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
417      and rename:
418      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
419      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
420    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
421    
422    checkpoint61c
423    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
424      to add mass source/sink of fluid in the interior (3-D generalisation
425      of oceanic real-fresh water flux).
426    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
427    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
428    o new pkg: down_slope
429      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
430      - presently, modify T & S inland (dwnslp_calc_rho.F).
431        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
432      - implementation for ocean in P-coords not tested.
433      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
434    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
435      (to facilitate conversion of oceanic pkg to p-coordinate).
436    o change FIND_RHO to FIND_RHO_2D :
437      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
438    o new pkg: cheapaml
439    
440    checkpoint61b
441    o exch2:
442      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
443      - no longer depend on the order sequence (N,S,E,W).
444      - 3rd exchange no longer needed (tested with 24 tiles).
445      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
446      - exch_UV_A-grid readily available (but not yet tested).
447      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
448      (both are no longer needed) in exch_uv: no effect in forward run; but
449       get truncation error differences with adjoint exch.
450    o exch2:
451     - change index-bounds storage (moved from target to local tile,
452       more intuitive this way) ; rename/remove some variables.
453     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
454    
455    checkpoint61a
456    o exch2/matlab-topology-generator:
457      fix bug in index bounds for N-S internal exchange (hard to tell if this
458      had any effect on the solution).
459    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
460      is exceeded
461    o testreport: modify syntax of awk, so that it works also with
462      awk, and not only with nawk and gawk
463    
464    checkpoint61
465    o autodiff
466      Change default for TAF usage by removing argument '-nonew_arg'
467      This changes TAF subroutine argument list (ordering of active var.)
468      Omission of this flag leads to incompatibility w.r.t. TAMC
469      To restore TAMC-compatibility, need following modifs:
470      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
471      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
472      Tested TAF version is 1.9.22
473      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
474    
475    checkpoint60
476    --->>> This is the last checkpoint for which generating the adjoint
477    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
478    --->>> by default.
479    --->>> Future checkpoints will ommit this flag by default.
480    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
481    o pkg/grdchk: Add gradient check to etan0 perturbations.
482    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
483    o pkg/autodiff: more flexibility in zeroadj.
484      model/src: modifying do_oceanic_phys.F accordingly.
485    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
486    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
487      special setup of gmredi for which the adjoint is stable
488      enough for parameter optimization.
489    o bridging the gap between eddy stress and GM.
490      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
491          along with a change in CPP option (now ALLOW_EDDYPSI).
492      -> when using GM w/ GM_AdvForm:
493          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
494          is applied either in the tracer Eq. or in momentum Eq.
495          depending on data.gmredi (intro. GM_InMomAsStress).
496      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
497      The key modifications are in model/src/taueddy_external_forcing.F
498      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
499    
500    checkpoint59r
501    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
502      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
503      fix option to read coriolis(@ cell-corner) from files with CS-grid.
504    o pkg/mnc: add some attributes to standard 1D-coordinate variables
505    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
506      mass points, when using mnc for output
507      - add runtime parameter (missing_value, missing_value_int) to override
508        default (which is the value of getcon('UNDEF'))
509    o pkg/mnc: prepare mnc for the actual use of missing values with the
510      diagnostics package: small fix in mnc_cw_readwrite.template and more
511      initialisation of never used fields
512      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
513      versions
514    o pkg/thsice/thsice_ini_vars.F added default initial values so that
515      thermodynamics sea ice solver does not blow up when some initial fields
516      are missing.
517    o move from external_forcing_surf.F to ini_forcing.F
518      the p-coord. hack consisting in using pLoad to set phi0surf ;
519      update output of tutorial_global_oce_in_p (affected @ truncation level).
520    o Freshen up a bit hs94.1x64x5, notably:
521      remove rotationPeriod and tRef=5*0. (adjoint only), and add
522      exactConserv=.TRUE.
523    o pkg/generic_advdiff:
524      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
525      applies to files where Temperature & Salinity 2nd Order moments are used.
526    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
527      this uses a dynamically allocated internal state data structure
528      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
529      and requires a fortran 90 compiler
530    
531    checkpoint59q
532    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
533       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
534    o Refresh tutorial_global_oce_biogeo, notably:
535      - change bathymetry (put back seamounts in ACC, use hFacs)
536      - change EOS (POLY3 --> JMD95Z)
537      - use Bryan-Lewis vertical diffusivity
538      - use multidimensional advection
539      - remove old virtual virtual in dic pkg, now done through ptracer pkg
540      - change a couple of parameters in dic pkg
541    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
542    o pkg/obcs: change default to OBCSfixTopo = .true.,
543      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
544      - replace "debugMode" with "debugLevel .GE. debLevB"
545    o implementation of TAF directives for gchem,cfc,dic
546    o remove "exp5" (replaced by tutorial_deep_convection).
547    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
548      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
549      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
550      --> changes results in exp4, seaice_obcs
551    o tutorial_deep_convection :
552      update the set-up and increase resolution and domain size ; start
553      from pseudo initial conditions = output at t=120mn in order to see
554      something happening when running testreport.
555    o pkg/seaice: add os7mp as an advection scheme
556                  add check for advection schemes
557                  add a flag for restoring T and S underneath sea ice
558    o pkg/my82: add netcdf-support and diagnostics
559    o thsice pkg:
560      - Now hsMax limits snow height by turning it into ice following
561        flooding scheme (and now conserving energy)
562      - Slight rewriting of the formula in thsice_calc_thick.F
563      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
564      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
565    
566    checkpoint59p
567    o gchem / dic / cfc :
568      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
569      - add new parameter files: "data.dic" & "data.cfc" ;
570      - various re-arrangement in initialisation & header file ;
571      - fix tutorial_global_oce_biogeo for multi-threaded test.
572    o pkg/dic: test for "pickup_dic" file when restarting ;
573      if no pickup-file, can restart with a re-initialised pH (same as it did
574      before) providing pickupStrictlyMatch is set to False.
575    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
576      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
577    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
578      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
579    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
580     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
581       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
582    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
583       scheme to use for vorticty-term ;
584     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
585       (with default selectVortScheme, return to original discretisation)
586     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
587    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
588    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
589      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
590      also fix diagnostics VISCAHW & VISCA4W.
591    
592    checkpoint59o
593    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
594    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
595      move a few statemens out the main loop into separate loops
596    o pkg/shelfice:
597      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
598        (kg/m^2/s), does not break tests, because in verification/isomip,
599        rhoConstFresh=rhoConst (by accident)
600      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
601      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
602        new file model/src/seawater.F, so that they are available for all pkgs.
603      - convert potential temperature into in-situ temperature. This changes the
604        isomip tests => update tests
605    o add a flag writePickupAtEnd (default=true) to be able to suppress
606      writing a pickup at the last timestep
607    o tools/mpack-1.6 :
608      - disable automake (not working) and autoconf (not needed).
609      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
610        also cleaner with much less compilation warnings.
611    o pkg/profiles:
612      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
613      (for "less than 32 characters name" compiler requirement)
614    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
615      conditions that have a different sampling frequency than S/T/U/V obcs
616    o pkg/diagnostics (stats-diags):
617      - fix global Min/Max in case 1 processor get only empty tiles
618    o genmake2: replace (4 times)
619         make genmake_tc_1.o >> genmake_warnings 2>&1
620      with
621         COMM="$CC $CFLAGS -c genmake_tc_1.c"
622         echo $COMM >> genmake_warnings
623         $COMM >> genmake_warnings 2>&1
624      to make genmake2 always see the value of CC as specified in the optfile.
625    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
626      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
627      - modify verification advect_cs test to test SOM-advection on CS-grid.
628    o pkg/ctrl:
629      - Rewrite of ctrl_map_ini_ecco.F,
630        introducing a generic routine (ctrl_map_ini_gen.F).
631      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
632    
633    checkpoint59n
634    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
635      number in dedicate array "hdiag":
636      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
637        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
638      - many small changes (integer format) for large number of diagnostics
639      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
640        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
641    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
642      usingSphericalGrid, this allows to define the rotated grid coordinates
643      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
644      geographical coordinates according to the inverse of the rotation defined
645      by the Euler angles, so that Coriolis parameter and online-interpolation by
646      exf works with the geographical coordinates on XC/YC/XG/YG.
647      Naturally, this feature does not work with all packages, so some
648      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
649      profiles), because there the coordinates are assumed to be regular
650      spherical grid coordinates.
651    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
652      - introduce isopycnal diffusion coefficient control.
653    o tools/adjoint_options:
654      - additional control vector components.
655    o pkg/mnc: have mnc create marginally meaning full coordinate variables
656      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
657    o pkg/mypackage:
658      - add example of read/write pickup for state-var ;
659      - add entry points to the main code for state-vars diags & write-pickup.
660    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
661      transitions for useExfYearlyFields
662      - add new subroutine that determines the file to read from for
663        use*YearlyFields = .TRUE. and .FALSE.
664      - add a verification experiment to global_with_exf that tests
665        useExfYearlyFields with USE_EXF_INTERPOLATION defined
666    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
667      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
668      subroutines (which could be generated from a template, because they are
669      almost identical), for now they are included in obcs_prescribe_read.F for
670      simplicity
671    o pkg/exf:
672      - add a little more diagnostic to exf_interp_read (in analogy to
673        mds_read_field, can be turned off with debugLevel < debugLevA=1)
674      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
675        ugly but fast by unrolling short inner loops, inserting a unroll=8
676        directive in routine lagran, and splitting a loop and making do while the
677        outermost loop (the latter requires the intoduction of index arrays)
678    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
679    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
680      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
681    o verification/seaice_obcs: updated for restart test and latest options
682    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
683      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
684      for now this is only available for the C-grid code and also within
685      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
686    
687    checkpoint59m
688    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
689      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
690    o gad_som : fix flux output (& diagnostics) to have same units as other  
691      advection scheme fluxes (was previously multiplied by deltaT).  
692    o added verification/seaice_obcs both to test seaice open boundaries
693      and to provide an example matlab scrpt for generating them
694    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
695    o pkg/salt_plume: clean up salt_plume_frac.F to
696      remove redundancy in PlumeMethod 1 and 4
697    o pkg/kpp: added saltplume diagnostics
698    o pkg/obcs and pkg/seaice:
699      - do not set uice and vice to zero when OB*icefile are unspecified
700      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
701      - moved seaice tracer obcs after call to seaice_growth
702    o pkg/salt_plume: added various options for salt plume depth
703      criterion and for vertical distribution of the salt
704    
705  checkpoint59l  checkpoint59l
706  o pkg/ptracers: new version of ptracers pickup:  o pkg/ptracers: new version of ptracers pickup:
707    read meta file and write only fields which are needed to restart.    read meta file and write only fields which are needed to restart.
# Line 1923  o add two new packages Line 2621  o add two new packages
2621    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2622    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2623      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2624      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2625  o add offline package  o add offline package
2626  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2627    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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