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revision 1.861 by gforget, Mon Aug 20 17:44:38 2007 UTC revision 1.941 by dimitri, Thu Jan 17 22:33:07 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: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
8      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
9    o verification/seaice_obcs: updated for restart test and latest options
10    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
11      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
12      for now this is only available for the C-grid code and also within
13      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
14    
15    checkpoint59m
16    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
17      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
18    o gad_som : fix flux output (& diagnostics) to have same units as other  
19      advection scheme fluxes (was previously multiplied by deltaT).  
20    o added verification/seaice_obcs both to test seaice open boundaries
21      and to provide an example matlab scrpt for generating them
22    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
23    o pkg/salt_plume: clean up salt_plume_frac.F to
24      remove redundancy in PlumeMethod 1 and 4
25    o pkg/kpp: added saltplume diagnostics
26    o pkg/obcs and pkg/seaice:
27      - do not set uice and vice to zero when OB*icefile are unspecified
28      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
29      - moved seaice tracer obcs after call to seaice_growth
30    o pkg/salt_plume: added various options for salt plume depth
31      criterion and for vertical distribution of the salt
32    
33    checkpoint59l
34    o pkg/ptracers: new version of ptracers pickup:
35      read meta file and write only fields which are needed to restart.
36      ( same logic as main pickup file ; also using pickupStrictlyMatch )
37    o pkg/seaice:
38      - add timescale for melting due to warm mixed layer as a means of
39        setting SEAICE_availHeatFrac more conveniently
40      - add a CPP-flag/runtime parameter check for flooding algorithm
41      - reformulated availHeat in seaice_growth.F to be independent of AREA
42    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
43      unit changes
44    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
45    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
46      SX vector computer.
47    o pkg/seaice:
48      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
49        seaice forcing fields can now be read only through pkg/exf
50      - removed some unused halos
51    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
52    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
53      or U/VICE from U/VWIND before computing U/VSTRESS
54    
55    checkpoint59k
56    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
57      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
58    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
59      all experiments pass when compile with un-initialised var. checking option.
60    o added pkg/salt_plume
61    o script to test restart (for now, in MITgcm_contrib/jmc_script)
62    o pkg/seaice: new read/write pickup version.
63      read meta file and write only fields which are needed to restart.
64      ( same logic as main pickup file ; also using pickupStrictlyMatch )
65    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
66    o lab_sea.hb87: modify the domain & update output.hb87.txt :
67      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
68      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
69      process. Fixed here by closing the domain at the Northern boundary.
70    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
71    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
72      a set of consecutive levels in/from a 3-D array.
73    o pkg/ptracers:
74      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
75      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
76    
77    checkpoint59j
78    o in pkgs: dic, obcs, offline, rbcs:
79      standard way to compute coeff. for time interpolation between 2 time reccords
80      which retains full precision (& make results less dependent on compiler).
81      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
82    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
83      packages instead of reading ice cover and wind speed separately
84    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
85     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
86      to allow to compile customized code before the update)
87    o cleaning-up:
88      - fix CPP instruction syntax in pkg/obcs
89      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
90        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
91      - fix some threads issue in IO parts.
92    o pkg/dic:
93      - add tons of "_d 0" (--> much better testreports !)
94       and then update outputs of tutorial_global_oce_biogeo
95    o pkg/mom_fluxform:
96      add a special version of momentum advection intended to conserve momentum
97      next to a bathymetry step or a coastline edge. (default = off = #undef)
98    o new read/write pickup version:
99      - for now, only implemented for main (mdsio) pickup file.
100      - write out only what is needed to restart; merge pickup_nh , pickup_ph
101        and main pickup together.
102      - read meta file; read only what is needed to restart; stop if a field
103        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
104        if it make sense (even if the restart is not perfect).
105      - if no meta file, assume that pickup to read corresponds exactly to
106        a pickup that would currently be written.
107      - read pickup written in the old format (until checkpoint59i) if it
108        recognizes an old meta file (no field-list).
109      - add a meta file in exp. which starts from a pickup: 2 cases:
110        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
111         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
112        b) a meta file describing the content of the associated pickup file
113         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
114    o pkg/mdsio & pkg/rw:
115      - new routine to read a meta file ; new set of routine to read
116        Multiple-fields file (with meta file).
117    o added open boundary conditions capability for seaice
118        HSNOW, HSALT, UICE, and VICE
119    
120    checkpoint59i
121    o adjoint:
122      * fix multiDimAdvection adjoint
123        (partial recomputation problem by TAF for fVerT(:,:,kDown)
124        and comlev1 size definition (maxpass vs. max. number of tracers)
125      * verification/global_ocean.90x45x15 adjoint now tests
126        NLFS and multiDimAdvection using DST3 (=30)
127      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
128    o pkg/kpp: add "_d 0" to real constant (if missing);
129      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
130      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
131    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
132      for internal parameters related to restart process (formerly from PARAMS.h)
133      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
134    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
135      as argument. (only atm2d & obcs write_pickup have not yet been updated)
136    o pkg/monitor:
137      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
138      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
139      - account for deep Atmosphere factor and density factor (anelastic)
140    o added open boundary conditions capability for seaice HEFF and AREA
141    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
142      thermodynamics
143      - requires a little reorganization, which affects the testreport results
144        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
145        so that now the conservative form is tested
146      - add a few comments
147    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
148    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
149    o add new diagnostics to seaice: advective, diffusive fluxes (only for
150      multidim-advection, for scheme 2 they are not filled) and transports,
151      thermodynamic growth rates
152    o change units of EmPmR (inside the code, + within coupling interface)
153      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
154      Affects results @ truncation level (cg2d match) and update output of
155       experiments: lab_sea(6), global_ocean.90x40x15(10),
156      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
157      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
158      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
159      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
160    
161    checkpoint59h
162    o pkg/exf:
163      - improve vectorization by moving if-statement out of loops in
164        exf_mapfields, exf_radiation
165      - exf_bulkformulae.F: introduce 2D fields and vectorize code
166    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
167    o testreport:
168      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
169        monitor & update offline_exf_seaice exp. output.
170      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
171    o pkg/seaice:
172      - bug fix in the evp solver: boundary conditions were affected be
173        masking of zMax/zMin (changes results)
174      - minor bug fix in boundary conditions in seaice_calc_strainrates
175        (changes results for no_slip)
176      - seaice_lsr.F: make interpolation of eta dependent on boundaries
177      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
178      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
179        stress formulation and no-slip boundary conditions
180    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
181      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
182    o pkg/seaice: a first HSALT time stepping equation has been checked in
183    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
184      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
185      without requiring DO-IF statements
186    o pkg/thsice:
187      use continuous power-law function for partition of energy between lateral
188      melting/freezing and thinning/thickening ; old code using step function
189      still available with #undef THSICE_FRACEN_POWERLAW
190      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
191    o testreport: change AD testing : check against results/output_adm.txt
192      using same scripts as for forward test.
193    
194    checkpoint59g
195    o adjoint testing: in preparation for changing testreport:
196      - output format: cost and grad written on separated lines
197      - ad output results in directory "results" (instead of "results_ad")
198    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
199    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
200    o pkg/ecco: allow user defined cost function contributions
201    o testreport:
202      Allow to choose (per experiment) the list of tested output variables
203       and the main variable (used to issue a pass/FAIL ) ;
204      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
205      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
206      Also modify printing of summary:
207       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
208       b) echo the list of tested variables in the individual summary.txt of
209          each experiment.
210    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
211      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
212      (but still depend on the tile decompostion of the domain).
213    o pkg/seaice: change a discretization detail to make the B-grid code
214      "more symmetric". This change is likely to remove all "ridges/leads" that
215      where quasi-aligned with the grid in B-grid solutions. It may also be
216      the solution to the stress coupling issues with the B-grid.
217    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
218      remove .cvsignore from input dir. (since testreport no longer run here).
219    o pkg/thsice:
220     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
221     - fix reshaping of sea-ice just after advection:
222       melt all the ice only if ice-volume is too small.
223     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
224       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
225     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
226    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
227      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
228    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
229      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
230      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
231      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
232      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
233      -> update output.txt
234    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
235     this affects truncation error: -> update output.txt of exp:
236      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
237      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
238    
239    checkpoint59f
240  o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)  o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
241  o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in  o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
242    a bounded range (in forward mode)    a bounded range (in forward mode)
243  o pkg/ecco, ctrl, autodiff and mom_common:  o pkg/ecco, ctrl, autodiff and mom_common:
244   internal parameter controls, completements of implementations   internal parameter controls, completements of implementations
245  o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.  o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
246    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
247      (not seem any difference in testing results).
248  o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains  o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
249     at face corners.     at face corners.
250  o pkg/generic_advdiff:  o pkg/generic_advdiff:
# Line 230  o in FFIELDS.h: Line 465  o in FFIELDS.h:
465       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
466  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
467  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
468      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
469        are no longer updating the vertical diffusivity array
470        (passed as argument) but are (re-) setting those arrays.
471  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
472    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
473      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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