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revision 1.872 by dimitri, Sat Sep 15 01:38:59 2007 UTC revision 1.976 by mlosch, Mon Apr 21 11:37:38 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: add os7mp as an advection scheme
8                  add check for advection schemes
9    o pkg/my82: add netcdf-support and diagnostics
10    o thsice pkg:
11      - Now hsMax limits snow heitght by turning it into ice following
12        flooding scheme (and now conserving energy)
13      - Slight rewriting of the formula in thsice_calc_thick.F
14      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
15        --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
16    
17    checkpoint59p
18    o gchem / dic / cfc :
19      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
20      - add new parameter files: "data.dic" & "data.cfc" ;
21      - various re-arrangement in initialisation & header file ;
22      - fix tutorial_global_oce_biogeo for multi-threaded test.
23    o pkg/dic: test for "pickup_dic" file when restarting ;
24      if no pickup-file, can restart with a re-initialised pH (same as it did
25      before) providing pickupStrictlyMatch is set to False.
26    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
27      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
28    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
29      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
30    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
31     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
32       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
33    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
34       scheme to use for vorticty-term ;
35     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
36       (with default selectVortScheme, return to original discretisation)
37     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
38    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
39    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
40      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
41      also fix diagnostics VISCAHW & VISCA4W.
42    
43    checkpoint59o
44    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
45    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
46      move a few statemens out the main loop into separate loops
47    o pkg/shelfice:
48      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
49        (kg/m^2/s), does not break tests, because in verification/isomip,
50        rhoConstFresh=rhoConst (by accident)
51      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
52      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
53        new file model/src/seawater.F, so that they are available for all pkgs.
54      - convert potential temperature into in-situ temperature. This changes the
55        isomip tests => update tests
56    o add a flag writePickupAtEnd (default=true) to be able to suppress
57      writing a pickup at the last timestep
58    o tools/mpack-1.6 :
59      - disable automake (not working) and autoconf (not needed).
60      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
61        also cleaner with much less compilation warnings.
62    o pkg/profiles:
63      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
64      (for "less than 32 characters name" compiler requirement)
65    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
66      conditions that have a different sampling frequency than S/T/U/V obcs
67    o pkg/diagnostics (stats-diags):
68      - fix global Min/Max in case 1 processor get only empty tiles
69    o genmake2: replace (4 times)
70         make genmake_tc_1.o >> genmake_warnings 2>&1
71      with
72         COMM="$CC $CFLAGS -c genmake_tc_1.c"
73         echo $COMM >> genmake_warnings
74         $COMM >> genmake_warnings 2>&1
75      to make genmake2 always see the value of CC as specified in the optfile.
76    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
77      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
78      - modify verification advect_cs test to test SOM-advection on CS-grid.
79    o pkg/ctrl:
80      - Rewrite of ctrl_map_ini_ecco.F,
81        introducing a generic routine (ctrl_map_ini_gen.F).
82      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
83    
84    checkpoint59n
85    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
86      number in dedicate array "hdiag":
87      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
88        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
89      - many small changes (integer format) for large number of diagnostics
90      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
91        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
92    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
93      usingSphericalGrid, this allows to define the rotated grid coordinates
94      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
95      geographical coordinates according to the inverse of the rotation defined
96      by the Euler angles, so that Coriolis parameter and online-interpolation by
97      exf works with the geographical coordinates on XC/YC/XG/YG.
98      Naturally, this feature does not work with all packages, so some
99      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
100      profiles), because there the coordinates are assumed to be regular
101      spherical grid coordinates.
102    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
103      - introduce isopycnal diffusion coefficient control.
104    o tools/adjoint_options:
105      - additional control vector components.
106    o pkg/mnc: have mnc create marginally meaning full coordinate variables
107      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
108    o pkg/mypackage:
109      - add example of read/write pickup for state-var ;
110      - add entry points to the main code for state-vars diags & write-pickup.
111    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
112      transitions for useExfYearlyFields
113      - add new subroutine that determines the file to read from for
114        use*YearlyFields = .TRUE. and .FALSE.
115      - add a verification experiment to global_with_exf that tests
116        useExfYearlyFields with USE_EXF_INTERPOLATION defined
117    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
118      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
119      subroutines (which could be generated from a template, because they are
120      almost identical), for now they are included in obcs_prescribe_read.F for
121      simplicity
122    o pkg/exf:
123      - add a little more diagnostic to exf_interp_read (in analogy to
124        mds_read_field, can be turned off with debugLevel < debugLevA=1)
125      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
126        ugly but fast by unrolling short inner loops, inserting a unroll=8
127        directive in routine lagran, and splitting a loop and making do while the
128        outermost loop (the latter requires the intoduction of index arrays)
129    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
130    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
131      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
132    o verification/seaice_obcs: updated for restart test and latest options
133    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
134      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
135      for now this is only available for the C-grid code and also within
136      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
137    
138    checkpoint59m
139    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
140      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
141    o gad_som : fix flux output (& diagnostics) to have same units as other  
142      advection scheme fluxes (was previously multiplied by deltaT).  
143    o added verification/seaice_obcs both to test seaice open boundaries
144      and to provide an example matlab scrpt for generating them
145    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
146    o pkg/salt_plume: clean up salt_plume_frac.F to
147      remove redundancy in PlumeMethod 1 and 4
148    o pkg/kpp: added saltplume diagnostics
149    o pkg/obcs and pkg/seaice:
150      - do not set uice and vice to zero when OB*icefile are unspecified
151      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
152      - moved seaice tracer obcs after call to seaice_growth
153    o pkg/salt_plume: added various options for salt plume depth
154      criterion and for vertical distribution of the salt
155    
156    checkpoint59l
157    o pkg/ptracers: new version of ptracers pickup:
158      read meta file and write only fields which are needed to restart.
159      ( same logic as main pickup file ; also using pickupStrictlyMatch )
160    o pkg/seaice:
161      - add timescale for melting due to warm mixed layer as a means of
162        setting SEAICE_availHeatFrac more conveniently
163      - add a CPP-flag/runtime parameter check for flooding algorithm
164      - reformulated availHeat in seaice_growth.F to be independent of AREA
165    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
166      unit changes
167    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
168    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
169      SX vector computer.
170    o pkg/seaice:
171      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
172        seaice forcing fields can now be read only through pkg/exf
173      - removed some unused halos
174    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
175    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
176      or U/VICE from U/VWIND before computing U/VSTRESS
177    
178    checkpoint59k
179    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
180      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
181    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
182      all experiments pass when compile with un-initialised var. checking option.
183    o added pkg/salt_plume
184    o script to test restart (for now, in MITgcm_contrib/jmc_script)
185    o pkg/seaice: new read/write pickup version.
186      read meta file and write only fields which are needed to restart.
187      ( same logic as main pickup file ; also using pickupStrictlyMatch )
188    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
189    o lab_sea.hb87: modify the domain & update output.hb87.txt :
190      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
191      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
192      process. Fixed here by closing the domain at the Northern boundary.
193    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
194    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
195      a set of consecutive levels in/from a 3-D array.
196    o pkg/ptracers:
197      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
198      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
199    
200    checkpoint59j
201    o in pkgs: dic, obcs, offline, rbcs:
202      standard way to compute coeff. for time interpolation between 2 time reccords
203      which retains full precision (& make results less dependent on compiler).
204      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
205    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
206      packages instead of reading ice cover and wind speed separately
207    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
208     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
209      to allow to compile customized code before the update)
210    o cleaning-up:
211      - fix CPP instruction syntax in pkg/obcs
212      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
213        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
214      - fix some threads issue in IO parts.
215    o pkg/dic:
216      - add tons of "_d 0" (--> much better testreports !)
217       and then update outputs of tutorial_global_oce_biogeo
218    o pkg/mom_fluxform:
219      add a special version of momentum advection intended to conserve momentum
220      next to a bathymetry step or a coastline edge. (default = off = #undef)
221    o new read/write pickup version:
222      - for now, only implemented for main (mdsio) pickup file.
223      - write out only what is needed to restart; merge pickup_nh , pickup_ph
224        and main pickup together.
225      - read meta file; read only what is needed to restart; stop if a field
226        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
227        if it make sense (even if the restart is not perfect).
228      - if no meta file, assume that pickup to read corresponds exactly to
229        a pickup that would currently be written.
230      - read pickup written in the old format (until checkpoint59i) if it
231        recognizes an old meta file (no field-list).
232      - add a meta file in exp. which starts from a pickup: 2 cases:
233        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
234         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
235        b) a meta file describing the content of the associated pickup file
236         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
237    o pkg/mdsio & pkg/rw:
238      - new routine to read a meta file ; new set of routine to read
239        Multiple-fields file (with meta file).
240    o added open boundary conditions capability for seaice
241        HSNOW, HSALT, UICE, and VICE
242    
243    checkpoint59i
244    o adjoint:
245      * fix multiDimAdvection adjoint
246        (partial recomputation problem by TAF for fVerT(:,:,kDown)
247        and comlev1 size definition (maxpass vs. max. number of tracers)
248      * verification/global_ocean.90x45x15 adjoint now tests
249        NLFS and multiDimAdvection using DST3 (=30)
250      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
251    o pkg/kpp: add "_d 0" to real constant (if missing);
252      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
253      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
254    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
255      for internal parameters related to restart process (formerly from PARAMS.h)
256      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
257    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
258      as argument. (only atm2d & obcs write_pickup have not yet been updated)
259    o pkg/monitor:
260      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
261      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
262      - account for deep Atmosphere factor and density factor (anelastic)
263    o added open boundary conditions capability for seaice HEFF and AREA
264    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
265      thermodynamics
266      - requires a little reorganization, which affects the testreport results
267        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
268        so that now the conservative form is tested
269      - add a few comments
270    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
271    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
272    o add new diagnostics to seaice: advective, diffusive fluxes (only for
273      multidim-advection, for scheme 2 they are not filled) and transports,
274      thermodynamic growth rates
275    o change units of EmPmR (inside the code, + within coupling interface)
276      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
277      Affects results @ truncation level (cg2d match) and update output of
278       experiments: lab_sea(6), global_ocean.90x40x15(10),
279      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
280      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
281      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
282      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
283    
284    checkpoint59h
285    o pkg/exf:
286      - improve vectorization by moving if-statement out of loops in
287        exf_mapfields, exf_radiation
288      - exf_bulkformulae.F: introduce 2D fields and vectorize code
289    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
290    o testreport:
291      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
292        monitor & update offline_exf_seaice exp. output.
293      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
294    o pkg/seaice:
295      - bug fix in the evp solver: boundary conditions were affected be
296        masking of zMax/zMin (changes results)
297      - minor bug fix in boundary conditions in seaice_calc_strainrates
298        (changes results for no_slip)
299      - seaice_lsr.F: make interpolation of eta dependent on boundaries
300      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
301      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
302        stress formulation and no-slip boundary conditions
303    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
304      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
305    o pkg/seaice: a first HSALT time stepping equation has been checked in
306    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
307      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
308      without requiring DO-IF statements
309    o pkg/thsice:
310      use continuous power-law function for partition of energy between lateral
311      melting/freezing and thinning/thickening ; old code using step function
312      still available with #undef THSICE_FRACEN_POWERLAW
313      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
314    o testreport: change AD testing : check against results/output_adm.txt
315      using same scripts as for forward test.
316    
317    checkpoint59g
318    o adjoint testing: in preparation for changing testreport:
319      - output format: cost and grad written on separated lines
320      - ad output results in directory "results" (instead of "results_ad")
321  o pkg/seaice: adding ice salinity HSALT as a prognostic variable  o pkg/seaice: adding ice salinity HSALT as a prognostic variable
322  o pkg/seaice: changes for using pkg/seaice with pkg/obcs  o pkg/seaice: changes for using pkg/seaice with pkg/obcs
323  o pkg/ecco: allow user defined cost function contributions  o pkg/ecco: allow user defined cost function contributions
# Line 11  o testreport: Line 325  o testreport:
325    Allow to choose (per experiment) the list of tested output variables    Allow to choose (per experiment) the list of tested output variables
326     and the main variable (used to issue a pass/FAIL ) ;     and the main variable (used to issue a pass/FAIL ) ;
327    - for now, done by adding the specific list in file: [exp]/input/tr_checklist    - for now, done by adding the specific list in file: [exp]/input/tr_checklist
328    - default is unchange: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;    - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
329    Also modify printing of summary:    Also modify printing of summary:
330     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
331     b) echo the list of tested variables in the individual summary.txt of     b) echo the list of tested variables in the individual summary.txt of
# Line 274  o in FFIELDS.h: Line 588  o in FFIELDS.h:
588       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
589  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
590  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
591      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
592        are no longer updating the vertical diffusivity array
593        (passed as argument) but are (re-) setting those arrays.
594  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
595    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
596      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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