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revision 1.944 by mlosch, Thu Jan 24 08:30:07 2008 UTC revision 1.1124 by jmc, Thu Jun 11 19:56:50 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 pkg/thsice:
8     - fix hOceMxL in overlap (needed for sea-ice advection);
9       update output of experiment global_ocean.cs32x15.icedyn.
10    o pkg/seaice:
11     - make the (placeholder-)tracer IceAge a little more meaningful
12      by avoiding ridging of age due to convergent ice flow
13     - add diagnostics for surface temperature
14    
15    checkpoint61p
16    o eesupp (global_max & global_sum):
17     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
18     - remove starting & endding barrier (no longer needed)
19    o pkg/mdsio, writelocal:
20       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
21       (remove the STOP): uses shared buffer IO to store data from all threads
22       and then let master-thread write nThreads tiles.
23    o pkg/mdsio (read/write field):
24     - tiled IO done in 1 piece (all levels at a time);
25     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
26     - multi-threaded: allow to read/write local (non-shared) array
27       (was already working with singleCpuIO ; now works also without);
28       => no longer needs barrier call after reading a file (added inside
29       mds_read/write field).
30     - move barrier calls outside gather/scatter_2d to mds_read/write_field
31    o pkg/obcs/exf
32      - exf_getffieldrec.F: add a few ". _d 0" and
33                            add code to catch the case fldperiod = 0.  
34      - obcs_precribe_read.F: change if statements so that they match
35                              the variable type (_RL)
36      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
37        exf_iprec) as part of namelist EXF_NML_01
38    o pkg/mdsio:
39      - read/write tiled (local) files: read/write 1-level tile chunk at a time
40        (instead of segment of length sNx); expected to speed up tiled IO.
41    o pkg/exch2:
42      - take buffer copy from/to array out of S/R exch2_send/recv into new
43        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
44        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
45      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
46      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
47        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
48        including Topology header file (and common blocks).
49      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
50        remove 2nd exch call in exch2_s3d_rx (no longer needed).
51      - document S/R arg. list (+ update some comments)
52    o pkg/seaice:
53      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
54        temperature and humidity over sea ice based on climatological values.
55      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
56        of LSR (this change is expected to change the results slightly because now
57        it uses slightly difference moduli from the second last LSR solution, but
58        that is more consistent with the stress computations; this part of the code
59        is not tested in the verification experiments)
60      - fix diagnostics for flux of ice in case of B-grid
61      - turn strain rates eij and press into global fields within global
62        common block in SEAICE.h for more straighforward diagnostics
63      - fix diagnostics for principal stress components, press, zeta, eta
64        to give something meaning full
65    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
66      new output (all 4 tests) using default rotationPeriod.
67    o pkg KPP:
68      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
69      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
70        and normal grid from 1 to Nr)
71    o Fix computations of L4rdt in mom_calc_visc.F
72    o eesupp:
73      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
74      should be called before a "stop" if we know that all process are going
75      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
76    
77    checkpoint61o
78    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
79    o model/src/ini_curvilinear_grid.F:
80       compute angleSin/CosC when they are not read from a file
81    o pkg/seaice:
82       add pseudo time stepping for LSOR
83    o pkg/exch2:
84       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
85    o pkg/seaice:
86       Adding separate sea ice albedo, drag coefficients, and HO in Southern
87       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
88    o SingleCpuIO:
89       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
90    o pkg/seaice:
91       put exchanged variable in (local) common block for MPI+Multi-Threads
92       to work (necessary with exch1, and for now with exch2 too).
93    o verification: to get more experiments tested with mpi, mth and mpi+mth,
94      change tiling of:
95       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
96       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
97      update output of exp:
98       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
99       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
100      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
101                       (note: output.txt generated on faulks using only 1 tile)
102    o eesupp & mdsio (SingleCpuIO):
103     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
104       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
105       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
106     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
107     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
108       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
109    o pkg/exch2:
110     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
111       read parameter file "data.exch2" if it exists; otherwise try default regular
112       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
113     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
114       with new code (not to be used, just as a backup solution).
115     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
116       in utils/exch2/input.
117    
118    checkpoint61n
119    o eesupp & mdsio (SingleCpuIO):
120      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
121        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
122        receive real*4 array (instead of real*8) to read/write 32.bit files.
123        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
124         and remove new mapping S/R)
125    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
126      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
127        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
128        when using exch2. Add S/R to map global io-buffer to global model array.
129      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
130    
131    checkpoint61m
132    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
133      and add 3 other S/R for other types (R4,R8,RS).
134      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
135    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
136     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
137     - reduce number of macro definitions (keep only those which are used);
138       can always call directly the corrresponding S/R if needed.
139     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
140       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
141     Fixed wrong type of arg in:
142       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
143       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
144     To fix: global_sum of var in common block is wrong (multi-threaded) in:
145       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
146     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
147    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
148      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
149    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
150    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
151      edges are closed (zero depth); might happen with "blank tiles";
152      for now, disabled if using OBCS.
153    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
154      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
155    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
156      to reduce length of 1.D array print in STDOUT.
157    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
158      + use 48 tiles (16x8): this will allow to test "blank tiles".
159    o start to test MPI + multi-threaded (change testreport to skip tests
160      where number of tiles do not match).
161    o genmake2: add option "-omp" to turn on Open-MP ;
162      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
163    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
164      and keep the original tile numbering. Note: compatible with old
165      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
166    
167    checkpoint61l
168    o Overlaps had been forgotten in calculating ijk keys : fixed
169    o fix cyrus makedepend for gcc 4.4
170    o experiment fizhi-cs-aqualev20:
171      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
172      and generate new output. Note: new output is much closer to the old
173      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
174      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
175    o pkg/fizhi:
176     - change to avoid indices going deliberately over array-bounds
177     - remove unnecessary MPI stuff
178     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
179     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
180       does not go over array-bounds and therefore returns reliable output.
181     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
182       this S/R has 4 output arguments, which are used inside "get_alarm";
183       when it is called with the same variable "ndum" in place of several
184       output arguments, this produces weird side effect inside "get_alarm"
185      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
186       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
187       address) and produces error.
188    o tools/gemake2: (March 27-29 2009)
189      with option "-mpi": link *_mpi files from "MODS" dir (this is what
190      testreport does).
191    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
192    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
193       update lab_sea.lsr & lab_sea.salt_plume results
194    o pkg/seaice:
195      Major overhaul of the LSOR solver: change discretization from original
196      finite differences to finite volume. The old routine is still in the
197      file seaice_lsr.F and can be turned on with the CPP-flag
198      SEAICE_OLD_AND_BAD_DISCRETIZATION
199      Along with this change, the discretization of the strain rates is changed.
200      The same flag turns on the old discretization in seaice_calc_strainrates.F
201      All verification experiments with seaice are affected (except for
202      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
203      results by setting the above flag.
204      Further changes involve changes in defaults:
205      - ALLOW_FLOODING is defined and turned on by default
206      - SEAICEadvSnow = .true. is now the default
207      - SEAICEadvSalt = .true. is now the default
208      - SEAICEadvAge  = .true. is now the default
209      - SEAICE_clipVelocities  = .false. is now the default
210                                         (as per J. Zhang's recommendation)
211      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
212        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
213      - seaice_growth: replace computation of UG by a simple copy from wspeed
214    
215    checkpoint61k
216    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
217      seaice_lsr: fixed a few metric terms,
218                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
219                  add more debugging diagnostics
220      seaice_evp: removed superfluous many metric terms of FV discretization
221                  of stress divergence
222                  affects lab_sea, lab_sea.hb87
223      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
224                  of stress divergence for non-evp solver
225                  (this part is not tested anywhere)
226      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
227                  they were effectively only half slip
228                  affects lab_sea.hb87
229      updated all relevant verification experiments (except lab_sea//output_adm.txt
230        which was left over, but fails at level 7 & 6)
231    
232    checkpoint61j
233    o pkg/seaice: turn a few hard wired parameters into run time parameters
234    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
235      time in seconds as promised by the usints in seaice_monitor and exf_monitor
236    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
237      that are not cubed-sphere grids
238    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
239    o pkg/ctrl:
240      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
241    o non-hydrostatic (calc_gw.F):
242      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
243      update output of exp. global_ocean.cs32x15.viscA4
244    o remove backward compatibility for thetaMin,phiMin
245      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
246    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
247      interpolated wind field not only for curvilineargrid=.true., but also
248      for a rotated grid (rotateGrid=.true.)
249    o pkg/exf: add capability to bypass interpolation for runoff
250      by setting yet another CPP-flag
251    o eesupp/src, B-grid exchange:
252      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
253    o autodiff
254      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
255      allows to switch to single-prec common blocks;
256      corresponding switch occurs in tamc.h, integer isbyte
257      TAF store directivs "byte" and "kind" seem equivalent;
258      Most tamc.h have been updated correspondingly.
259    
260    checkpoint61i
261    o autodiff:
262      fix autodiff_sore/_restore indices for obcs
263      (spotted by I. Hoteit, M. Mazloff)
264    o pkg/autodiff, pkg/ctrl:
265      Add flag to reduce all tapelev I/O to single-prec.
266      In data.ctrl set
267        doSinglePrecTapelev = .TRUE.
268    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
269      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
270    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
271      real fresh water flux (not yet)
272    o pkg/mdsio & rw:
273     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
274     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
275    o pkg/flt:
276     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
277       init_fixed & ini_varia.
278     - clean-up & simplify linear interpolation S/R:
279       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
280     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
281     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
282     - add vert. coordinate & horiz. indices to output files.
283     - change vertical position in initial condition, from index to depth [m].
284     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
285       (easier to get to a curvilinear grid) ; delX,delY no longer used.
286    o pkg/ggl90: a few modifications:
287     - fix bottom boundary condition, and interpolation of KappaE
288       near top and bottom
289     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
290     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
291     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
292    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
293      (maintain temporary backward compatibility, until next checkpoint)
294    
295    checkpoint61h
296    o pkg/diagnostics with "periodic averaging diagnostics":
297      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
298    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
299    o pkg/obcs: fix loop ranges for balancing code
300    o pkg/flt:
301     - improve criteria for finding which tile owns a float.
302     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
303    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
304      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
305      with ocean biogeo)
306    o pkg/flt:
307     - do some cleaning and fix the restart ;
308     - add output.txt in flt_example/results to get this pkg tested.
309    o genmake2: add an EXTENDED_SRC option and flag.
310       for now, cannot be turned on on command line (only through genmake_local)
311    o pkg/mdsio: read/write vector:
312     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
313     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
314       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
315     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
316      (drop to 4 digits matching for grad). But this test does not look very
317      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
318    
319    checkpoint61g
320    o pkg/flt:
321      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
322       + make OPTIONS file more standard.
323      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
324      - fix _BYTESWAPIO CPP-Flag
325      - standard reading of file-parameter "data.flt"
326      - fix argument list of S/R FLT_RESTART
327      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
328    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
329    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
330      a still unfixed compiler/optimization bug
331    
332    checkpoint61f
333    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
334      update results of global_ocean.cs32x15.icedyn test.
335    o move getcon.F from model/src to pkg/fizhi.
336    o pkg/exf: add parameter for extrapolation of temp up to the surface
337       and option to prevent negative evap (in bulk_largeyeager04 only).
338    o Prather Advection scheme: fix tracer conservation for divergent flow
339      (e.g., when using NonLin Free-Surface).
340    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
341    o gmredi (Visbeck-variable-K):
342     - add more parameters to Visbeck-variable-K.
343     - use a 5 points average for dSigmaR in Visbeck-K calculation
344       (more "homogenous": same stencil and same weights as in dSigmaH)
345     - update output of ideal_2D_oce experiment.
346    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
347      (#undef REAL4_IS_SLOW)
348     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
349       coordinate variable
350     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
351       (surface forcing fields), removes some of the functionality
352     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
353     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
354       probably not all: copy _RS surface flux fields to RL field before
355       calling DIAGNOSTICS_FILL
356     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
357       real*4 (CALL EXCH_*_RS) versions.
358     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
359       (generate new output).
360    
361    checkpoint61e
362    o gmredi (Visbeck-variable-K):
363      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
364      - change computation of Visbeck-K where Slope > Smax :        
365        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
366        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
367    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
368      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
369    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
370    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
371      does not become too large (to avoid precision problems in implicit-diffusion
372      solver); update ideal_2D_oce output.
373    o pkg ggl90:
374      - in ggl90_cal.F: compute only one set of visc/diff, used to
375        step forward TKE/T/S/momentum
376      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
377        have Prandlt =1)
378    o gmredi (fm07):
379      - add lower limit on Transition layer thickness + lower limit on 1/lambda
380      - allow to set few more params from data.gmredi
381    o pkg ggl90:
382          - add missing sqrt(2) factor in computation of mixing length
383            scale in ggl90_calc.F
384            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
385    
386    checkpoint61d
387    o adjoint modifs
388      - adapt to new field rhoInSitu
389      - allow to revert from StoreDynVars2D, StoreDynVars3D
390        to individual fields
391        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
392    o store 3-D (in-situ) density in commom block (DYNVARS.h)
393     - save 1 rho computation.
394     - no longer modify T & S inland when using down_slope pkg.
395    o gad_som : allow to switch to SOM advection for T & S without corresponding
396      pickup files (using new S/R: MDS_CHECK4FILE).
397    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
398      (for useSingleCpuIO to work in multi-threaded)
399    o pkg/shelfice:
400     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
401       with SHELFICEtopoFile in data.shelfice
402     - move code for reading ice shelf topography and modifying hFacC into separate
403       subroutines of the shelfice package
404     - separate initialisation of "fixed" and "variable" variables
405     - kTopC is not (yet) replaced by kSurfC, although this is possible
406    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
407    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
408      and rename:
409      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
410      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
411    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
412    
413    checkpoint61c
414    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
415      to add mass source/sink of fluid in the interior (3-D generalisation
416      of oceanic real-fresh water flux).
417    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
418    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
419    o new pkg: down_slope
420      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
421      - presently, modify T & S inland (dwnslp_calc_rho.F).
422        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
423      - implementation for ocean in P-coords not tested.
424      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
425    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
426      (to facilitate conversion of oceanic pkg to p-coordinate).
427    o change FIND_RHO to FIND_RHO_2D :
428      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
429    o new pkg: cheapaml
430    
431    checkpoint61b
432    o exch2:
433      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
434      - no longer depend on the order sequence (N,S,E,W).
435      - 3rd exchange no longer needed (tested with 24 tiles).
436      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
437      - exch_UV_A-grid readily available (but not yet tested).
438      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
439      (both are no longer needed) in exch_uv: no effect in forward run; but
440       get truncation error differences with adjoint exch.
441    o exch2:
442     - change index-bounds storage (moved from target to local tile,
443       more intuitive this way) ; rename/remove some variables.
444     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
445    
446    checkpoint61a
447    o exch2/matlab-topology-generator:
448      fix bug in index bounds for N-S internal exchange (hard to tell if this
449      had any effect on the solution).
450    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
451      is exceeded
452    o testreport: modify syntax of awk, so that it works also with
453      awk, and not only with nawk and gawk
454    
455    checkpoint61
456    o autodiff
457      Change default for TAF usage by removing argument '-nonew_arg'
458      This changes TAF subroutine argument list (ordering of active var.)
459      Omission of this flag leads to incompatibility w.r.t. TAMC
460      To restore TAMC-compatibility, need following modifs:
461      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
462      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
463      Tested TAF version is 1.9.22
464      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
465    
466    checkpoint60
467    --->>> This is the last checkpoint for which generating the adjoint
468    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
469    --->>> by default.
470    --->>> Future checkpoints will ommit this flag by default.
471    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
472    o pkg/grdchk: Add gradient check to etan0 perturbations.
473    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
474    o pkg/autodiff: more flexibility in zeroadj.
475      model/src: modifying do_oceanic_phys.F accordingly.
476    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
477    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
478      special setup of gmredi for which the adjoint is stable
479      enough for parameter optimization.
480    o bridging the gap between eddy stress and GM.
481      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
482          along with a change in CPP option (now ALLOW_EDDYPSI).
483      -> when using GM w/ GM_AdvForm:
484          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
485          is applied either in the tracer Eq. or in momentum Eq.
486          depending on data.gmredi (intro. GM_InMomAsStress).
487      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
488      The key modifications are in model/src/taueddy_external_forcing.F
489      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
490    
491    checkpoint59r
492    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
493      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
494      fix option to read coriolis(@ cell-corner) from files with CS-grid.
495    o pkg/mnc: add some attributes to standard 1D-coordinate variables
496    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
497      mass points, when using mnc for output
498      - add runtime parameter (missing_value, missing_value_int) to override
499        default (which is the value of getcon('UNDEF'))
500    o pkg/mnc: prepare mnc for the actual use of missing values with the
501      diagnostics package: small fix in mnc_cw_readwrite.template and more
502      initialisation of never used fields
503      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
504      versions
505    o pkg/thsice/thsice_ini_vars.F added default initial values so that
506      thermodynamics sea ice solver does not blow up when some initial fields
507      are missing.
508    o move from external_forcing_surf.F to ini_forcing.F
509      the p-coord. hack consisting in using pLoad to set phi0surf ;
510      update output of tutorial_global_oce_in_p (affected @ truncation level).
511    o Freshen up a bit hs94.1x64x5, notably:
512      remove rotationPeriod and tRef=5*0. (adjoint only), and add
513      exactConserv=.TRUE.
514    o pkg/generic_advdiff:
515      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
516      applies to files where Temperature & Salinity 2nd Order moments are used.
517    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
518      this uses a dynamically allocated internal state data structure
519      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
520      and requires a fortran 90 compiler
521    
522    checkpoint59q
523    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
524       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
525    o Refresh tutorial_global_oce_biogeo, notably:
526      - change bathymetry (put back seamounts in ACC, use hFacs)
527      - change EOS (POLY3 --> JMD95Z)
528      - use Bryan-Lewis vertical diffusivity
529      - use multidimensional advection
530      - remove old virtual virtual in dic pkg, now done through ptracer pkg
531      - change a couple of parameters in dic pkg
532    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
533    o pkg/obcs: change default to OBCSfixTopo = .true.,
534      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
535      - replace "debugMode" with "debugLevel .GE. debLevB"
536    o implementation of TAF directives for gchem,cfc,dic
537    o remove "exp5" (replaced by tutorial_deep_convection).
538    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
539      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
540      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
541      --> changes results in exp4, seaice_obcs
542    o tutorial_deep_convection :
543      update the set-up and increase resolution and domain size ; start
544      from pseudo initial conditions = output at t=120mn in order to see
545      something happening when running testreport.
546    o pkg/seaice: add os7mp as an advection scheme
547                  add check for advection schemes
548                  add a flag for restoring T and S underneath sea ice
549    o pkg/my82: add netcdf-support and diagnostics
550    o thsice pkg:
551      - Now hsMax limits snow height by turning it into ice following
552        flooding scheme (and now conserving energy)
553      - Slight rewriting of the formula in thsice_calc_thick.F
554      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
555      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
556    
557    checkpoint59p
558    o gchem / dic / cfc :
559      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
560      - add new parameter files: "data.dic" & "data.cfc" ;
561      - various re-arrangement in initialisation & header file ;
562      - fix tutorial_global_oce_biogeo for multi-threaded test.
563    o pkg/dic: test for "pickup_dic" file when restarting ;
564      if no pickup-file, can restart with a re-initialised pH (same as it did
565      before) providing pickupStrictlyMatch is set to False.
566    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
567      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
568    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
569      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
570    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
571     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
572       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
573    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
574       scheme to use for vorticty-term ;
575     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
576       (with default selectVortScheme, return to original discretisation)
577     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
578    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
579    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
580      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
581      also fix diagnostics VISCAHW & VISCA4W.
582    
583    checkpoint59o
584    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
585    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
586      move a few statemens out the main loop into separate loops
587    o pkg/shelfice:
588      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
589        (kg/m^2/s), does not break tests, because in verification/isomip,
590        rhoConstFresh=rhoConst (by accident)
591      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
592      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
593        new file model/src/seawater.F, so that they are available for all pkgs.
594      - convert potential temperature into in-situ temperature. This changes the
595        isomip tests => update tests
596    o add a flag writePickupAtEnd (default=true) to be able to suppress
597      writing a pickup at the last timestep
598    o tools/mpack-1.6 :
599      - disable automake (not working) and autoconf (not needed).
600      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
601        also cleaner with much less compilation warnings.
602    o pkg/profiles:
603      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
604      (for "less than 32 characters name" compiler requirement)
605    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
606      conditions that have a different sampling frequency than S/T/U/V obcs
607    o pkg/diagnostics (stats-diags):
608      - fix global Min/Max in case 1 processor get only empty tiles
609    o genmake2: replace (4 times)
610         make genmake_tc_1.o >> genmake_warnings 2>&1
611      with
612         COMM="$CC $CFLAGS -c genmake_tc_1.c"
613         echo $COMM >> genmake_warnings
614         $COMM >> genmake_warnings 2>&1
615      to make genmake2 always see the value of CC as specified in the optfile.
616    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
617      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
618      - modify verification advect_cs test to test SOM-advection on CS-grid.
619    o pkg/ctrl:
620      - Rewrite of ctrl_map_ini_ecco.F,
621        introducing a generic routine (ctrl_map_ini_gen.F).
622      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
623    
624    checkpoint59n
625    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
626      number in dedicate array "hdiag":
627      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
628        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
629      - many small changes (integer format) for large number of diagnostics
630      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
631        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
632    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
633      usingSphericalGrid, this allows to define the rotated grid coordinates
634      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
635      geographical coordinates according to the inverse of the rotation defined
636      by the Euler angles, so that Coriolis parameter and online-interpolation by
637      exf works with the geographical coordinates on XC/YC/XG/YG.
638      Naturally, this feature does not work with all packages, so some
639      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
640      profiles), because there the coordinates are assumed to be regular
641      spherical grid coordinates.
642    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
643      - introduce isopycnal diffusion coefficient control.
644    o tools/adjoint_options:
645      - additional control vector components.
646    o pkg/mnc: have mnc create marginally meaning full coordinate variables
647      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
648    o pkg/mypackage:
649      - add example of read/write pickup for state-var ;
650      - add entry points to the main code for state-vars diags & write-pickup.
651    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
652      transitions for useExfYearlyFields
653      - add new subroutine that determines the file to read from for
654        use*YearlyFields = .TRUE. and .FALSE.
655      - add a verification experiment to global_with_exf that tests
656        useExfYearlyFields with USE_EXF_INTERPOLATION defined
657    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
658      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
659      subroutines (which could be generated from a template, because they are
660      almost identical), for now they are included in obcs_prescribe_read.F for
661      simplicity
662  o pkg/exf:  o pkg/exf:
663    - add a little more diagnostic to exf_interp_read (in analogy to    - add a little more diagnostic to exf_interp_read (in analogy to
664      mds_read_field, can be turned off with debugLevel < debugLevA=1)      mds_read_field, can be turned off with debugLevel < debugLevA=1)
# Line 1957  o add two new packages Line 2612  o add two new packages
2612    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2613    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2614      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2615      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2616  o add offline package  o add offline package
2617  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2618    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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