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revision 1.878 by jmc, Tue Sep 18 21:29:09 2007 UTC revision 1.989 by jmc, Fri May 9 21:51:26 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/generic_advdiff:
8      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
9      applies to files where Temperature & Salinity 2nd Order moments are used.
10    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
11      this uses a dynamically allocated internal state data structure
12      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
13      and requires a fortran 90 compiler
14    
15    checkpoint59q
16    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
17       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
18    o Refresh tutorial_global_oce_biogeo, notably:
19      - change bathymetry (put back seamounts in ACC, use hFacs)
20      - change EOS (POLY3 --> JMD95Z)
21      - use Bryan-Lewis vertical diffusivity
22      - use multidimensional advection
23      - remove old virtual virtual in dic pkg, now done through ptracer pkg
24      - change a couple of parameters in dic pkg
25    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
26    o pkg/obcs: change default to OBCSfixTopo = .true.,
27      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
28      - replace "debugMode" with "debugLevel .GE. debLevB"
29    o implementation of TAF directives for gchem,cfc,dic
30    o remove "exp5" (replaced by tutorial_deep_convection).
31    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
32      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
33      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
34      --> changes results in exp4, seaice_obcs
35    o tutorial_deep_convection :
36      update the set-up and increase resolution and domain size ; start
37      from pseudo initial conditions = output at t=120mn in order to see
38      something happening when running testreport.
39    o pkg/seaice: add os7mp as an advection scheme
40                  add check for advection schemes
41                  add a flag for restoring T and S underneath sea ice
42    o pkg/my82: add netcdf-support and diagnostics
43    o thsice pkg:
44      - Now hsMax limits snow height by turning it into ice following
45        flooding scheme (and now conserving energy)
46      - Slight rewriting of the formula in thsice_calc_thick.F
47      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
48      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
49    
50    checkpoint59p
51    o gchem / dic / cfc :
52      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
53      - add new parameter files: "data.dic" & "data.cfc" ;
54      - various re-arrangement in initialisation & header file ;
55      - fix tutorial_global_oce_biogeo for multi-threaded test.
56    o pkg/dic: test for "pickup_dic" file when restarting ;
57      if no pickup-file, can restart with a re-initialised pH (same as it did
58      before) providing pickupStrictlyMatch is set to False.
59    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
60      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
61    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
62      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
63    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
64     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
65       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
66    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
67       scheme to use for vorticty-term ;
68     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
69       (with default selectVortScheme, return to original discretisation)
70     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
71    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
72    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
73      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
74      also fix diagnostics VISCAHW & VISCA4W.
75    
76    checkpoint59o
77    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
78    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
79      move a few statemens out the main loop into separate loops
80    o pkg/shelfice:
81      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
82        (kg/m^2/s), does not break tests, because in verification/isomip,
83        rhoConstFresh=rhoConst (by accident)
84      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
85      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
86        new file model/src/seawater.F, so that they are available for all pkgs.
87      - convert potential temperature into in-situ temperature. This changes the
88        isomip tests => update tests
89    o add a flag writePickupAtEnd (default=true) to be able to suppress
90      writing a pickup at the last timestep
91    o tools/mpack-1.6 :
92      - disable automake (not working) and autoconf (not needed).
93      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
94        also cleaner with much less compilation warnings.
95    o pkg/profiles:
96      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
97      (for "less than 32 characters name" compiler requirement)
98    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
99      conditions that have a different sampling frequency than S/T/U/V obcs
100    o pkg/diagnostics (stats-diags):
101      - fix global Min/Max in case 1 processor get only empty tiles
102    o genmake2: replace (4 times)
103         make genmake_tc_1.o >> genmake_warnings 2>&1
104      with
105         COMM="$CC $CFLAGS -c genmake_tc_1.c"
106         echo $COMM >> genmake_warnings
107         $COMM >> genmake_warnings 2>&1
108      to make genmake2 always see the value of CC as specified in the optfile.
109    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
110      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
111      - modify verification advect_cs test to test SOM-advection on CS-grid.
112    o pkg/ctrl:
113      - Rewrite of ctrl_map_ini_ecco.F,
114        introducing a generic routine (ctrl_map_ini_gen.F).
115      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
116    
117    checkpoint59n
118    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
119      number in dedicate array "hdiag":
120      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
121        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
122      - many small changes (integer format) for large number of diagnostics
123      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
124        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
125    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
126      usingSphericalGrid, this allows to define the rotated grid coordinates
127      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
128      geographical coordinates according to the inverse of the rotation defined
129      by the Euler angles, so that Coriolis parameter and online-interpolation by
130      exf works with the geographical coordinates on XC/YC/XG/YG.
131      Naturally, this feature does not work with all packages, so some
132      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
133      profiles), because there the coordinates are assumed to be regular
134      spherical grid coordinates.
135    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
136      - introduce isopycnal diffusion coefficient control.
137    o tools/adjoint_options:
138      - additional control vector components.
139    o pkg/mnc: have mnc create marginally meaning full coordinate variables
140      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
141    o pkg/mypackage:
142      - add example of read/write pickup for state-var ;
143      - add entry points to the main code for state-vars diags & write-pickup.
144    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
145      transitions for useExfYearlyFields
146      - add new subroutine that determines the file to read from for
147        use*YearlyFields = .TRUE. and .FALSE.
148      - add a verification experiment to global_with_exf that tests
149        useExfYearlyFields with USE_EXF_INTERPOLATION defined
150    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
151      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
152      subroutines (which could be generated from a template, because they are
153      almost identical), for now they are included in obcs_prescribe_read.F for
154      simplicity
155    o pkg/exf:
156      - add a little more diagnostic to exf_interp_read (in analogy to
157        mds_read_field, can be turned off with debugLevel < debugLevA=1)
158      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
159        ugly but fast by unrolling short inner loops, inserting a unroll=8
160        directive in routine lagran, and splitting a loop and making do while the
161        outermost loop (the latter requires the intoduction of index arrays)
162    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
163    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
164      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
165    o verification/seaice_obcs: updated for restart test and latest options
166    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
167      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
168      for now this is only available for the C-grid code and also within
169      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
170    
171    checkpoint59m
172    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
173      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
174    o gad_som : fix flux output (& diagnostics) to have same units as other  
175      advection scheme fluxes (was previously multiplied by deltaT).  
176    o added verification/seaice_obcs both to test seaice open boundaries
177      and to provide an example matlab scrpt for generating them
178    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
179    o pkg/salt_plume: clean up salt_plume_frac.F to
180      remove redundancy in PlumeMethod 1 and 4
181    o pkg/kpp: added saltplume diagnostics
182    o pkg/obcs and pkg/seaice:
183      - do not set uice and vice to zero when OB*icefile are unspecified
184      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
185      - moved seaice tracer obcs after call to seaice_growth
186    o pkg/salt_plume: added various options for salt plume depth
187      criterion and for vertical distribution of the salt
188    
189    checkpoint59l
190    o pkg/ptracers: new version of ptracers pickup:
191      read meta file and write only fields which are needed to restart.
192      ( same logic as main pickup file ; also using pickupStrictlyMatch )
193    o pkg/seaice:
194      - add timescale for melting due to warm mixed layer as a means of
195        setting SEAICE_availHeatFrac more conveniently
196      - add a CPP-flag/runtime parameter check for flooding algorithm
197      - reformulated availHeat in seaice_growth.F to be independent of AREA
198    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
199      unit changes
200    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
201    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
202      SX vector computer.
203    o pkg/seaice:
204      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
205        seaice forcing fields can now be read only through pkg/exf
206      - removed some unused halos
207    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
208    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
209      or U/VICE from U/VWIND before computing U/VSTRESS
210    
211    checkpoint59k
212    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
213      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
214    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
215      all experiments pass when compile with un-initialised var. checking option.
216    o added pkg/salt_plume
217    o script to test restart (for now, in MITgcm_contrib/jmc_script)
218    o pkg/seaice: new read/write pickup version.
219      read meta file and write only fields which are needed to restart.
220      ( same logic as main pickup file ; also using pickupStrictlyMatch )
221    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
222    o lab_sea.hb87: modify the domain & update output.hb87.txt :
223      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
224      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
225      process. Fixed here by closing the domain at the Northern boundary.
226    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
227    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
228      a set of consecutive levels in/from a 3-D array.
229    o pkg/ptracers:
230      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
231      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
232    
233    checkpoint59j
234    o in pkgs: dic, obcs, offline, rbcs:
235      standard way to compute coeff. for time interpolation between 2 time reccords
236      which retains full precision (& make results less dependent on compiler).
237      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
238    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
239      packages instead of reading ice cover and wind speed separately
240    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
241     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
242      to allow to compile customized code before the update)
243    o cleaning-up:
244      - fix CPP instruction syntax in pkg/obcs
245      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
246        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
247      - fix some threads issue in IO parts.
248    o pkg/dic:
249      - add tons of "_d 0" (--> much better testreports !)
250       and then update outputs of tutorial_global_oce_biogeo
251    o pkg/mom_fluxform:
252      add a special version of momentum advection intended to conserve momentum
253      next to a bathymetry step or a coastline edge. (default = off = #undef)
254    o new read/write pickup version:
255      - for now, only implemented for main (mdsio) pickup file.
256      - write out only what is needed to restart; merge pickup_nh , pickup_ph
257        and main pickup together.
258      - read meta file; read only what is needed to restart; stop if a field
259        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
260        if it make sense (even if the restart is not perfect).
261      - if no meta file, assume that pickup to read corresponds exactly to
262        a pickup that would currently be written.
263      - read pickup written in the old format (until checkpoint59i) if it
264        recognizes an old meta file (no field-list).
265      - add a meta file in exp. which starts from a pickup: 2 cases:
266        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
267         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
268        b) a meta file describing the content of the associated pickup file
269         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
270    o pkg/mdsio & pkg/rw:
271      - new routine to read a meta file ; new set of routine to read
272        Multiple-fields file (with meta file).
273    o added open boundary conditions capability for seaice
274        HSNOW, HSALT, UICE, and VICE
275    
276    checkpoint59i
277    o adjoint:
278      * fix multiDimAdvection adjoint
279        (partial recomputation problem by TAF for fVerT(:,:,kDown)
280        and comlev1 size definition (maxpass vs. max. number of tracers)
281      * verification/global_ocean.90x45x15 adjoint now tests
282        NLFS and multiDimAdvection using DST3 (=30)
283      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
284    o pkg/kpp: add "_d 0" to real constant (if missing);
285      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
286      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
287    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
288      for internal parameters related to restart process (formerly from PARAMS.h)
289      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
290    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
291      as argument. (only atm2d & obcs write_pickup have not yet been updated)
292    o pkg/monitor:
293      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
294      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
295      - account for deep Atmosphere factor and density factor (anelastic)
296    o added open boundary conditions capability for seaice HEFF and AREA
297    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
298      thermodynamics
299      - requires a little reorganization, which affects the testreport results
300        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
301        so that now the conservative form is tested
302      - add a few comments
303    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
304    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
305    o add new diagnostics to seaice: advective, diffusive fluxes (only for
306      multidim-advection, for scheme 2 they are not filled) and transports,
307      thermodynamic growth rates
308    o change units of EmPmR (inside the code, + within coupling interface)
309      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
310      Affects results @ truncation level (cg2d match) and update output of
311       experiments: lab_sea(6), global_ocean.90x40x15(10),
312      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
313      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
314      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
315      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
316    
317    checkpoint59h
318    o pkg/exf:
319      - improve vectorization by moving if-statement out of loops in
320        exf_mapfields, exf_radiation
321      - exf_bulkformulae.F: introduce 2D fields and vectorize code
322    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
323    o testreport:
324      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
325        monitor & update offline_exf_seaice exp. output.
326      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
327    o pkg/seaice:
328      - bug fix in the evp solver: boundary conditions were affected be
329        masking of zMax/zMin (changes results)
330      - minor bug fix in boundary conditions in seaice_calc_strainrates
331        (changes results for no_slip)
332      - seaice_lsr.F: make interpolation of eta dependent on boundaries
333      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
334      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
335        stress formulation and no-slip boundary conditions
336  o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP  o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
337    in gad_calc_rhs.F ; add few safety stops in initialisation phase.    in gad_calc_rhs.F ; add few safety stops in initialisation phase.
338  o pkg/seaice: a first HSALT time stepping equation has been checked in  o pkg/seaice: a first HSALT time stepping equation has been checked in
# Line 292  o in FFIELDS.h: Line 621  o in FFIELDS.h:
621       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
622  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
623  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
624      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
625        are no longer updating the vertical diffusivity array
626        (passed as argument) but are (re-) setting those arrays.
627  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
628    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
629      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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