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revision 1.855 by heimbach, Fri Jul 27 22:22:37 2007 UTC revision 1.935 by dimitri, Thu Jan 10 23:32:15 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 pkg/seaice/seaice_growth.F: use a different time constant for freezing
8      ice due to supercooled sea water, hardwired to SEAICE_deltaTtherm/0.1
9    o gad_som : fix flux output (& diagnostics) to have same units as other
10      advection scheme fluxes (was previously multiplied by deltaT).
11    o added verification/seaice_obcs both to test seaice open boundaries
12      and to provide an example matlab scrpt for generating them
13    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
14    o pkg/salt_plume: clean up salt_plume_frac.F to
15      remove redundancy in PlumeMethod 1 and 4
16    o pkg/kpp: added saltplume diagnostics
17    o pkg/obcs and pkg/seaice:
18      - do not set uice and vice to zero when OB*icefile are unspecified
19      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
20      - moved seaice tracer obcs after call to seaice_growth
21    o pkg/salt_plume: added various options for salt plume depth
22      criterion and for vertical distribution of the salt
23    
24    checkpoint59l
25    o pkg/ptracers: new version of ptracers pickup:
26      read meta file and write only fields which are needed to restart.
27      ( same logic as main pickup file ; also using pickupStrictlyMatch )
28    o pkg/seaice:
29      - add timescale for melting due to warm mixed layer as a means of
30        setting SEAICE_availHeatFrac more conveniently
31      - add a CPP-flag/runtime parameter check for flooding algorithm
32      - reformulated availHeat in seaice_growth.F to be independent of AREA
33    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
34      unit changes
35    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
36    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
37      SX vector computer.
38    o pkg/seaice:
39      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
40        seaice forcing fields can now be read only through pkg/exf
41      - removed some unused halos
42    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
43    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
44      or U/VICE from U/VWIND before computing U/VSTRESS
45    
46    checkpoint59k
47    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
48      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
49    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
50      all experiments pass when compile with un-initialised var. checking option.
51    o added pkg/salt_plume
52    o script to test restart (for now, in MITgcm_contrib/jmc_script)
53    o pkg/seaice: new read/write pickup version.
54      read meta file and write only fields which are needed to restart.
55      ( same logic as main pickup file ; also using pickupStrictlyMatch )
56    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
57    o lab_sea.hb87: modify the domain & update output.hb87.txt :
58      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
59      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
60      process. Fixed here by closing the domain at the Northern boundary.
61    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
62    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
63      a set of consecutive levels in/from a 3-D array.
64    o pkg/ptracers:
65      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
66      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
67    
68    checkpoint59j
69    o in pkgs: dic, obcs, offline, rbcs:
70      standard way to compute coeff. for time interpolation between 2 time reccords
71      which retains full precision (& make results less dependent on compiler).
72      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
73    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
74      packages instead of reading ice cover and wind speed separately
75    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
76     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
77      to allow to compile customized code before the update)
78    o cleaning-up:
79      - fix CPP instruction syntax in pkg/obcs
80      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
81        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
82      - fix some threads issue in IO parts.
83    o pkg/dic:
84      - add tons of "_d 0" (--> much better testreports !)
85       and then update outputs of tutorial_global_oce_biogeo
86    o pkg/mom_fluxform:
87      add a special version of momentum advection intended to conserve momentum
88      next to a bathymetry step or a coastline edge. (default = off = #undef)
89    o new read/write pickup version:
90      - for now, only implemented for main (mdsio) pickup file.
91      - write out only what is needed to restart; merge pickup_nh , pickup_ph
92        and main pickup together.
93      - read meta file; read only what is needed to restart; stop if a field
94        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
95        if it make sense (even if the restart is not perfect).
96      - if no meta file, assume that pickup to read corresponds exactly to
97        a pickup that would currently be written.
98      - read pickup written in the old format (until checkpoint59i) if it
99        recognizes an old meta file (no field-list).
100      - add a meta file in exp. which starts from a pickup: 2 cases:
101        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
102         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
103        b) a meta file describing the content of the associated pickup file
104         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
105    o pkg/mdsio & pkg/rw:
106      - new routine to read a meta file ; new set of routine to read
107        Multiple-fields file (with meta file).
108    o added open boundary conditions capability for seaice
109        HSNOW, HSALT, UICE, and VICE
110    
111    checkpoint59i
112    o adjoint:
113      * fix multiDimAdvection adjoint
114        (partial recomputation problem by TAF for fVerT(:,:,kDown)
115        and comlev1 size definition (maxpass vs. max. number of tracers)
116      * verification/global_ocean.90x45x15 adjoint now tests
117        NLFS and multiDimAdvection using DST3 (=30)
118      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
119    o pkg/kpp: add "_d 0" to real constant (if missing);
120      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
121      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
122    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
123      for internal parameters related to restart process (formerly from PARAMS.h)
124      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
125    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
126      as argument. (only atm2d & obcs write_pickup have not yet been updated)
127    o pkg/monitor:
128      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
129      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
130      - account for deep Atmosphere factor and density factor (anelastic)
131    o added open boundary conditions capability for seaice HEFF and AREA
132    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
133      thermodynamics
134      - requires a little reorganization, which affects the testreport results
135        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
136        so that now the conservative form is tested
137      - add a few comments
138    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
139    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
140    o add new diagnostics to seaice: advective, diffusive fluxes (only for
141      multidim-advection, for scheme 2 they are not filled) and transports,
142      thermodynamic growth rates
143    o change units of EmPmR (inside the code, + within coupling interface)
144      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
145      Affects results @ truncation level (cg2d match) and update output of
146       experiments: lab_sea(6), global_ocean.90x40x15(10),
147      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
148      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
149      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
150      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
151    
152    checkpoint59h
153    o pkg/exf:
154      - improve vectorization by moving if-statement out of loops in
155        exf_mapfields, exf_radiation
156      - exf_bulkformulae.F: introduce 2D fields and vectorize code
157    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
158    o testreport:
159      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
160        monitor & update offline_exf_seaice exp. output.
161      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
162    o pkg/seaice:
163      - bug fix in the evp solver: boundary conditions were affected be
164        masking of zMax/zMin (changes results)
165      - minor bug fix in boundary conditions in seaice_calc_strainrates
166        (changes results for no_slip)
167      - seaice_lsr.F: make interpolation of eta dependent on boundaries
168      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
169      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
170        stress formulation and no-slip boundary conditions
171    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
172      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
173    o pkg/seaice: a first HSALT time stepping equation has been checked in
174    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
175      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
176      without requiring DO-IF statements
177    o pkg/thsice:
178      use continuous power-law function for partition of energy between lateral
179      melting/freezing and thinning/thickening ; old code using step function
180      still available with #undef THSICE_FRACEN_POWERLAW
181      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
182    o testreport: change AD testing : check against results/output_adm.txt
183      using same scripts as for forward test.
184    
185    checkpoint59g
186    o adjoint testing: in preparation for changing testreport:
187      - output format: cost and grad written on separated lines
188      - ad output results in directory "results" (instead of "results_ad")
189    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
190    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
191    o pkg/ecco: allow user defined cost function contributions
192    o testreport:
193      Allow to choose (per experiment) the list of tested output variables
194       and the main variable (used to issue a pass/FAIL ) ;
195      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
196      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
197      Also modify printing of summary:
198       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
199       b) echo the list of tested variables in the individual summary.txt of
200          each experiment.
201    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
202      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
203      (but still depend on the tile decompostion of the domain).
204    o pkg/seaice: change a discretization detail to make the B-grid code
205      "more symmetric". This change is likely to remove all "ridges/leads" that
206      where quasi-aligned with the grid in B-grid solutions. It may also be
207      the solution to the stress coupling issues with the B-grid.
208    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
209      remove .cvsignore from input dir. (since testreport no longer run here).
210    o pkg/thsice:
211     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
212     - fix reshaping of sea-ice just after advection:
213       melt all the ice only if ice-volume is too small.
214     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
215       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
216     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
217    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
218      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
219    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
220      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
221      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
222      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
223      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
224      -> update output.txt
225    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
226     this affects truncation error: -> update output.txt of exp:
227      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
228      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
229    
230    checkpoint59f
231    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
232    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
233      a bounded range (in forward mode)
234    o pkg/ecco, ctrl, autodiff and mom_common:
235     internal parameter controls, completements of implementations
236    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
237    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
238      (not seem any difference in testing results).
239    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
240       at face corners.
241    o pkg/generic_advdiff:
242     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
243      loop range indices for computing vertical advection tendency
244      and do the calculation in the interior only (no overlap) ;
245      for now, only implemented for SOM advection (to save CPU time).
246     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
247  o exch2 adjoint  o exch2 adjoint
248    First set of changes:    First set of changes:
249    - add exch2 hand-written adjoint templates    - add exch2 hand-written adjoint templates
# Line 13  o exch2 adjoint Line 253  o exch2 adjoint
253    - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC    - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
254      that used to hide exch2 or cubed-sphere specific code      that used to hide exch2 or cubed-sphere specific code
255      (commented via 'cph-exch2')      (commented via 'cph-exch2')
256    o pkg/seaice
257      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
258    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
259       output of global_ocean.cs32x15.thsice .
260    
261  checkpoint59e  checkpoint59e
262  o exch2: new S/R that only use the cube-tracer (center-position) exchange:  o exch2: new S/R that only use the cube-tracer (center-position) exchange:
# Line 212  o in FFIELDS.h: Line 456  o in FFIELDS.h:
456       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
457  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
458  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
459      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
460        are no longer updating the vertical diffusivity array
461        (passed as argument) but are (re-) setting those arrays.
462  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
463    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
464      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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