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revision 1.890 by mlosch, Wed Oct 10 12:25:20 2007 UTC revision 1.985 by dfer, Mon May 5 18:56:21 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 Refresh tutorial_global_oce_biogeo, notably:
8      - change bathymetry (put back seamounts in ACC, use hFacs)
9      - change EOS (POLY3 --> JMD95Z)
10      - use Bryan-Lewis vertical diffusivity
11      - use multidimensional advection
12      - remove old virtual virtual in dic pkg, now done through ptracer pkg
13      - change a couple of parameters in dic pkg
14    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
15    o pkg/obcs: change default to OBCSfixTopo = .true.,
16      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
17      - replace "debugMode" with "debugLevel .GE. debLevB"
18    o implementation of TAF directives for gchem,cfc,dic
19    o remove "exp5" (replaced by tutorial_deep_convection).
20    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
21      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
22      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
23      --> changes results in exp4, seaice_obcs
24    o tutorial_deep_convection :
25      update the set-up and increase resolution and domain size ; start
26      from pseudo initial conditions = output at t=120mn in order to see
27      something happening when running testreport.
28    o pkg/seaice: add os7mp as an advection scheme
29                  add check for advection schemes
30                  add a flag for restoring T and S underneath sea ice
31    o pkg/my82: add netcdf-support and diagnostics
32    o thsice pkg:
33      - Now hsMax limits snow height by turning it into ice following
34        flooding scheme (and now conserving energy)
35      - Slight rewriting of the formula in thsice_calc_thick.F
36      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
37      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
38    
39    checkpoint59p
40    o gchem / dic / cfc :
41      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
42      - add new parameter files: "data.dic" & "data.cfc" ;
43      - various re-arrangement in initialisation & header file ;
44      - fix tutorial_global_oce_biogeo for multi-threaded test.
45    o pkg/dic: test for "pickup_dic" file when restarting ;
46      if no pickup-file, can restart with a re-initialised pH (same as it did
47      before) providing pickupStrictlyMatch is set to False.
48    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
49      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
50    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
51      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
52    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
53     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
54       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
55    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
56       scheme to use for vorticty-term ;
57     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
58       (with default selectVortScheme, return to original discretisation)
59     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
60    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
61    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
62      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
63      also fix diagnostics VISCAHW & VISCA4W.
64    
65    checkpoint59o
66    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
67    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
68      move a few statemens out the main loop into separate loops
69    o pkg/shelfice:
70      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
71        (kg/m^2/s), does not break tests, because in verification/isomip,
72        rhoConstFresh=rhoConst (by accident)
73      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
74      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
75        new file model/src/seawater.F, so that they are available for all pkgs.
76      - convert potential temperature into in-situ temperature. This changes the
77        isomip tests => update tests
78    o add a flag writePickupAtEnd (default=true) to be able to suppress
79      writing a pickup at the last timestep
80    o tools/mpack-1.6 :
81      - disable automake (not working) and autoconf (not needed).
82      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
83        also cleaner with much less compilation warnings.
84    o pkg/profiles:
85      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
86      (for "less than 32 characters name" compiler requirement)
87    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
88      conditions that have a different sampling frequency than S/T/U/V obcs
89    o pkg/diagnostics (stats-diags):
90      - fix global Min/Max in case 1 processor get only empty tiles
91    o genmake2: replace (4 times)
92         make genmake_tc_1.o >> genmake_warnings 2>&1
93      with
94         COMM="$CC $CFLAGS -c genmake_tc_1.c"
95         echo $COMM >> genmake_warnings
96         $COMM >> genmake_warnings 2>&1
97      to make genmake2 always see the value of CC as specified in the optfile.
98    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
99      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
100      - modify verification advect_cs test to test SOM-advection on CS-grid.
101    o pkg/ctrl:
102      - Rewrite of ctrl_map_ini_ecco.F,
103        introducing a generic routine (ctrl_map_ini_gen.F).
104      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
105    
106    checkpoint59n
107    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
108      number in dedicate array "hdiag":
109      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
110        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
111      - many small changes (integer format) for large number of diagnostics
112      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
113        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
114    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
115      usingSphericalGrid, this allows to define the rotated grid coordinates
116      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
117      geographical coordinates according to the inverse of the rotation defined
118      by the Euler angles, so that Coriolis parameter and online-interpolation by
119      exf works with the geographical coordinates on XC/YC/XG/YG.
120      Naturally, this feature does not work with all packages, so some
121      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
122      profiles), because there the coordinates are assumed to be regular
123      spherical grid coordinates.
124    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
125      - introduce isopycnal diffusion coefficient control.
126    o tools/adjoint_options:
127      - additional control vector components.
128    o pkg/mnc: have mnc create marginally meaning full coordinate variables
129      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
130    o pkg/mypackage:
131      - add example of read/write pickup for state-var ;
132      - add entry points to the main code for state-vars diags & write-pickup.
133    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
134      transitions for useExfYearlyFields
135      - add new subroutine that determines the file to read from for
136        use*YearlyFields = .TRUE. and .FALSE.
137      - add a verification experiment to global_with_exf that tests
138        useExfYearlyFields with USE_EXF_INTERPOLATION defined
139    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
140      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
141      subroutines (which could be generated from a template, because they are
142      almost identical), for now they are included in obcs_prescribe_read.F for
143      simplicity
144    o pkg/exf:
145      - add a little more diagnostic to exf_interp_read (in analogy to
146        mds_read_field, can be turned off with debugLevel < debugLevA=1)
147      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
148        ugly but fast by unrolling short inner loops, inserting a unroll=8
149        directive in routine lagran, and splitting a loop and making do while the
150        outermost loop (the latter requires the intoduction of index arrays)
151    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
152    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
153      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
154    o verification/seaice_obcs: updated for restart test and latest options
155    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
156      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
157      for now this is only available for the C-grid code and also within
158      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
159    
160    checkpoint59m
161    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
162      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
163    o gad_som : fix flux output (& diagnostics) to have same units as other  
164      advection scheme fluxes (was previously multiplied by deltaT).  
165    o added verification/seaice_obcs both to test seaice open boundaries
166      and to provide an example matlab scrpt for generating them
167    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
168    o pkg/salt_plume: clean up salt_plume_frac.F to
169      remove redundancy in PlumeMethod 1 and 4
170    o pkg/kpp: added saltplume diagnostics
171    o pkg/obcs and pkg/seaice:
172      - do not set uice and vice to zero when OB*icefile are unspecified
173      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
174      - moved seaice tracer obcs after call to seaice_growth
175    o pkg/salt_plume: added various options for salt plume depth
176      criterion and for vertical distribution of the salt
177    
178    checkpoint59l
179    o pkg/ptracers: new version of ptracers pickup:
180      read meta file and write only fields which are needed to restart.
181      ( same logic as main pickup file ; also using pickupStrictlyMatch )
182    o pkg/seaice:
183      - add timescale for melting due to warm mixed layer as a means of
184        setting SEAICE_availHeatFrac more conveniently
185      - add a CPP-flag/runtime parameter check for flooding algorithm
186      - reformulated availHeat in seaice_growth.F to be independent of AREA
187    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
188      unit changes
189    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
190    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
191      SX vector computer.
192    o pkg/seaice:
193      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
194        seaice forcing fields can now be read only through pkg/exf
195      - removed some unused halos
196    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
197    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
198      or U/VICE from U/VWIND before computing U/VSTRESS
199    
200    checkpoint59k
201    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
202      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
203    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
204      all experiments pass when compile with un-initialised var. checking option.
205    o added pkg/salt_plume
206    o script to test restart (for now, in MITgcm_contrib/jmc_script)
207    o pkg/seaice: new read/write pickup version.
208      read meta file and write only fields which are needed to restart.
209      ( same logic as main pickup file ; also using pickupStrictlyMatch )
210    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
211    o lab_sea.hb87: modify the domain & update output.hb87.txt :
212      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
213      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
214      process. Fixed here by closing the domain at the Northern boundary.
215    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
216    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
217      a set of consecutive levels in/from a 3-D array.
218    o pkg/ptracers:
219      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
220      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
221    
222    checkpoint59j
223    o in pkgs: dic, obcs, offline, rbcs:
224      standard way to compute coeff. for time interpolation between 2 time reccords
225      which retains full precision (& make results less dependent on compiler).
226      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
227    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
228      packages instead of reading ice cover and wind speed separately
229    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
230     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
231      to allow to compile customized code before the update)
232    o cleaning-up:
233      - fix CPP instruction syntax in pkg/obcs
234      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
235        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
236      - fix some threads issue in IO parts.
237    o pkg/dic:
238      - add tons of "_d 0" (--> much better testreports !)
239       and then update outputs of tutorial_global_oce_biogeo
240    o pkg/mom_fluxform:
241      add a special version of momentum advection intended to conserve momentum
242      next to a bathymetry step or a coastline edge. (default = off = #undef)
243    o new read/write pickup version:
244      - for now, only implemented for main (mdsio) pickup file.
245      - write out only what is needed to restart; merge pickup_nh , pickup_ph
246        and main pickup together.
247      - read meta file; read only what is needed to restart; stop if a field
248        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
249        if it make sense (even if the restart is not perfect).
250      - if no meta file, assume that pickup to read corresponds exactly to
251        a pickup that would currently be written.
252      - read pickup written in the old format (until checkpoint59i) if it
253        recognizes an old meta file (no field-list).
254      - add a meta file in exp. which starts from a pickup: 2 cases:
255        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
256         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
257        b) a meta file describing the content of the associated pickup file
258         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
259    o pkg/mdsio & pkg/rw:
260      - new routine to read a meta file ; new set of routine to read
261        Multiple-fields file (with meta file).
262    o added open boundary conditions capability for seaice
263        HSNOW, HSALT, UICE, and VICE
264    
265    checkpoint59i
266    o adjoint:
267      * fix multiDimAdvection adjoint
268        (partial recomputation problem by TAF for fVerT(:,:,kDown)
269        and comlev1 size definition (maxpass vs. max. number of tracers)
270      * verification/global_ocean.90x45x15 adjoint now tests
271        NLFS and multiDimAdvection using DST3 (=30)
272      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
273    o pkg/kpp: add "_d 0" to real constant (if missing);
274      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
275      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
276    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
277      for internal parameters related to restart process (formerly from PARAMS.h)
278      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
279    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
280      as argument. (only atm2d & obcs write_pickup have not yet been updated)
281    o pkg/monitor:
282      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
283      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
284      - account for deep Atmosphere factor and density factor (anelastic)
285    o added open boundary conditions capability for seaice HEFF and AREA
286  o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)  o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
287    thermodynamics    thermodynamics
288    - requires a little reorganization, which affects the testreport results    - requires a little reorganization, which affects the testreport results
289      of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,      of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
290      so that now the conservative form is tested      so that now the conservative form is tested
291    - add a few comments    - add a few comments
292  o add missing cvs $Header$ or $Name$ in eesupp/*, pkg/* & verification/code*  o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
293  o add a little bit of code to gad_os7mp_adv_?.F to help vectorization  o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
294  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
295    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
296    thermodynamic growth rates    thermodynamic growth rates
297  o change units of EmPmR (inside the code) from m/s to kg/m2/s (mass flux) but  o change units of EmPmR (inside the code, + within coupling interface)
298    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
299    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
300       experiments: lab_sea(6), global_ocean.90x40x15(10),
301    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)    global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
302    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
303      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
304    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
305    
306  checkpoint59h  checkpoint59h

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