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revision 1.861 by gforget, Mon Aug 20 17:44:38 2007 UTC revision 1.950 by mlosch, Fri Feb 1 11:06:33 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/mnc: have mnc create marginally meaning full coordinate variables
8      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
9    o pkg/mypackage:
10      - add example of read/write pickup for state-var ;
11      - add entry points to the main code for state-vars diags & write-pickup.
12    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
13      transitions for useExfYearlyFields
14      - add new subroutine that determines the file to read from for
15        use*YearlyFields = .TRUE. and .FALSE.
16      - add a verification experiment to global_with_exf that tests
17        useExfYearlyFields with USE_EXF_INTERPOLATION defined
18    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
19      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
20      subroutines (which could be generated from a template, because they are
21      almost identical), for now they are included in obcs_prescribe_read.F for
22      simplicity
23    o pkg/exf:
24      - add a little more diagnostic to exf_interp_read (in analogy to
25        mds_read_field, can be turned off with debugLevel < debugLevA=1)
26      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
27        ugly but fast by unrolling short inner loops, inserting a unroll=8
28        directive in routine lagran, and splitting a loop and making do while the
29        outermost loop (the latter requires the intoduction of index arrays)
30    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
31    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
32      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
33    o verification/seaice_obcs: updated for restart test and latest options
34    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
35      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
36      for now this is only available for the C-grid code and also within
37      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
38    
39    checkpoint59m
40    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
41      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
42    o gad_som : fix flux output (& diagnostics) to have same units as other  
43      advection scheme fluxes (was previously multiplied by deltaT).  
44    o added verification/seaice_obcs both to test seaice open boundaries
45      and to provide an example matlab scrpt for generating them
46    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
47    o pkg/salt_plume: clean up salt_plume_frac.F to
48      remove redundancy in PlumeMethod 1 and 4
49    o pkg/kpp: added saltplume diagnostics
50    o pkg/obcs and pkg/seaice:
51      - do not set uice and vice to zero when OB*icefile are unspecified
52      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
53      - moved seaice tracer obcs after call to seaice_growth
54    o pkg/salt_plume: added various options for salt plume depth
55      criterion and for vertical distribution of the salt
56    
57    checkpoint59l
58    o pkg/ptracers: new version of ptracers pickup:
59      read meta file and write only fields which are needed to restart.
60      ( same logic as main pickup file ; also using pickupStrictlyMatch )
61    o pkg/seaice:
62      - add timescale for melting due to warm mixed layer as a means of
63        setting SEAICE_availHeatFrac more conveniently
64      - add a CPP-flag/runtime parameter check for flooding algorithm
65      - reformulated availHeat in seaice_growth.F to be independent of AREA
66    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
67      unit changes
68    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
69    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
70      SX vector computer.
71    o pkg/seaice:
72      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
73        seaice forcing fields can now be read only through pkg/exf
74      - removed some unused halos
75    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
76    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
77      or U/VICE from U/VWIND before computing U/VSTRESS
78    
79    checkpoint59k
80    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
81      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
82    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
83      all experiments pass when compile with un-initialised var. checking option.
84    o added pkg/salt_plume
85    o script to test restart (for now, in MITgcm_contrib/jmc_script)
86    o pkg/seaice: new read/write pickup version.
87      read meta file and write only fields which are needed to restart.
88      ( same logic as main pickup file ; also using pickupStrictlyMatch )
89    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
90    o lab_sea.hb87: modify the domain & update output.hb87.txt :
91      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
92      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
93      process. Fixed here by closing the domain at the Northern boundary.
94    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
95    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
96      a set of consecutive levels in/from a 3-D array.
97    o pkg/ptracers:
98      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
99      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
100    
101    checkpoint59j
102    o in pkgs: dic, obcs, offline, rbcs:
103      standard way to compute coeff. for time interpolation between 2 time reccords
104      which retains full precision (& make results less dependent on compiler).
105      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
106    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
107      packages instead of reading ice cover and wind speed separately
108    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
109     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
110      to allow to compile customized code before the update)
111    o cleaning-up:
112      - fix CPP instruction syntax in pkg/obcs
113      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
114        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
115      - fix some threads issue in IO parts.
116    o pkg/dic:
117      - add tons of "_d 0" (--> much better testreports !)
118       and then update outputs of tutorial_global_oce_biogeo
119    o pkg/mom_fluxform:
120      add a special version of momentum advection intended to conserve momentum
121      next to a bathymetry step or a coastline edge. (default = off = #undef)
122    o new read/write pickup version:
123      - for now, only implemented for main (mdsio) pickup file.
124      - write out only what is needed to restart; merge pickup_nh , pickup_ph
125        and main pickup together.
126      - read meta file; read only what is needed to restart; stop if a field
127        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
128        if it make sense (even if the restart is not perfect).
129      - if no meta file, assume that pickup to read corresponds exactly to
130        a pickup that would currently be written.
131      - read pickup written in the old format (until checkpoint59i) if it
132        recognizes an old meta file (no field-list).
133      - add a meta file in exp. which starts from a pickup: 2 cases:
134        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
135         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
136        b) a meta file describing the content of the associated pickup file
137         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
138    o pkg/mdsio & pkg/rw:
139      - new routine to read a meta file ; new set of routine to read
140        Multiple-fields file (with meta file).
141    o added open boundary conditions capability for seaice
142        HSNOW, HSALT, UICE, and VICE
143    
144    checkpoint59i
145    o adjoint:
146      * fix multiDimAdvection adjoint
147        (partial recomputation problem by TAF for fVerT(:,:,kDown)
148        and comlev1 size definition (maxpass vs. max. number of tracers)
149      * verification/global_ocean.90x45x15 adjoint now tests
150        NLFS and multiDimAdvection using DST3 (=30)
151      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
152    o pkg/kpp: add "_d 0" to real constant (if missing);
153      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
154      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
155    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
156      for internal parameters related to restart process (formerly from PARAMS.h)
157      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
158    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
159      as argument. (only atm2d & obcs write_pickup have not yet been updated)
160    o pkg/monitor:
161      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
162      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
163      - account for deep Atmosphere factor and density factor (anelastic)
164    o added open boundary conditions capability for seaice HEFF and AREA
165    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
166      thermodynamics
167      - requires a little reorganization, which affects the testreport results
168        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
169        so that now the conservative form is tested
170      - add a few comments
171    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
172    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
173    o add new diagnostics to seaice: advective, diffusive fluxes (only for
174      multidim-advection, for scheme 2 they are not filled) and transports,
175      thermodynamic growth rates
176    o change units of EmPmR (inside the code, + within coupling interface)
177      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
178      Affects results @ truncation level (cg2d match) and update output of
179       experiments: lab_sea(6), global_ocean.90x40x15(10),
180      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
181      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
182      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
183      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
184    
185    checkpoint59h
186    o pkg/exf:
187      - improve vectorization by moving if-statement out of loops in
188        exf_mapfields, exf_radiation
189      - exf_bulkformulae.F: introduce 2D fields and vectorize code
190    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
191    o testreport:
192      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
193        monitor & update offline_exf_seaice exp. output.
194      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
195    o pkg/seaice:
196      - bug fix in the evp solver: boundary conditions were affected be
197        masking of zMax/zMin (changes results)
198      - minor bug fix in boundary conditions in seaice_calc_strainrates
199        (changes results for no_slip)
200      - seaice_lsr.F: make interpolation of eta dependent on boundaries
201      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
202      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
203        stress formulation and no-slip boundary conditions
204    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
205      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
206    o pkg/seaice: a first HSALT time stepping equation has been checked in
207    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
208      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
209      without requiring DO-IF statements
210    o pkg/thsice:
211      use continuous power-law function for partition of energy between lateral
212      melting/freezing and thinning/thickening ; old code using step function
213      still available with #undef THSICE_FRACEN_POWERLAW
214      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
215    o testreport: change AD testing : check against results/output_adm.txt
216      using same scripts as for forward test.
217    
218    checkpoint59g
219    o adjoint testing: in preparation for changing testreport:
220      - output format: cost and grad written on separated lines
221      - ad output results in directory "results" (instead of "results_ad")
222    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
223    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
224    o pkg/ecco: allow user defined cost function contributions
225    o testreport:
226      Allow to choose (per experiment) the list of tested output variables
227       and the main variable (used to issue a pass/FAIL ) ;
228      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
229      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
230      Also modify printing of summary:
231       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
232       b) echo the list of tested variables in the individual summary.txt of
233          each experiment.
234    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
235      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
236      (but still depend on the tile decompostion of the domain).
237    o pkg/seaice: change a discretization detail to make the B-grid code
238      "more symmetric". This change is likely to remove all "ridges/leads" that
239      where quasi-aligned with the grid in B-grid solutions. It may also be
240      the solution to the stress coupling issues with the B-grid.
241    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
242      remove .cvsignore from input dir. (since testreport no longer run here).
243    o pkg/thsice:
244     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
245     - fix reshaping of sea-ice just after advection:
246       melt all the ice only if ice-volume is too small.
247     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
248       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
249     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
250    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
251      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
252    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
253      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
254      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
255      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
256      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
257      -> update output.txt
258    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
259     this affects truncation error: -> update output.txt of exp:
260      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
261      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
262    
263    checkpoint59f
264  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)
265  o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in  o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
266    a bounded range (in forward mode)    a bounded range (in forward mode)
267  o pkg/ecco, ctrl, autodiff and mom_common:  o pkg/ecco, ctrl, autodiff and mom_common:
268   internal parameter controls, completements of implementations   internal parameter controls, completements of implementations
269  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.
270    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
271      (not seem any difference in testing results).
272  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
273     at face corners.     at face corners.
274  o pkg/generic_advdiff:  o pkg/generic_advdiff:
# Line 230  o in FFIELDS.h: Line 489  o in FFIELDS.h:
489       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
490  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
491  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
492      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
493        are no longer updating the vertical diffusivity array
494        (passed as argument) but are (re-) setting those arrays.
495  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
496    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
497      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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