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revision 1.878 by jmc, Tue Sep 18 21:29:09 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  o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
304    in gad_calc_rhs.F ; add few safety stops in initialisation phase.    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  o pkg/seaice: a first HSALT time stepping equation has been checked in
# Line 292  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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