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revision 1.901 by dfer, Mon Oct 29 20:00:45 2007 UTC revision 1.997 by jmc, Thu May 29 21:33:14 2008 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint59r
8    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
9      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
10      fix option to read coriolis(@ cell-corner) from files with CS-grid.
11    o pkg/mnc: add some attributes to standard 1D-coordinate variables
12    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
13      mass points, when using mnc for output
14      - add runtime parameter (missing_value, missing_value_int) to override
15        default (which is the value of getcon('UNDEF'))
16    o pkg/mnc: prepare mnc for the actual use of missing values with the
17      diagnostics package: small fix in mnc_cw_readwrite.template and more
18      initialisation of never used fields
19      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
20      versions
21    o pkg/thsice/thsice_ini_vars.F added default initial values so that
22      thermodynamics sea ice solver does not blow up when some initial fields
23      are missing.
24    o move from external_forcing_surf.F to ini_forcing.F
25      the p-coord. hack consisting in using pLoad to set phi0surf ;
26      update output of tutorial_global_oce_in_p (affected @ truncation level).
27    o Freshen up a bit hs94.1x64x5, notably:
28      remove rotationPeriod and tRef=5*0. (adjoint only), and add
29      exactConserv=.TRUE.
30    o pkg/generic_advdiff:
31      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
32      applies to files where Temperature & Salinity 2nd Order moments are used.
33    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
34      this uses a dynamically allocated internal state data structure
35      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
36      and requires a fortran 90 compiler
37    
38    checkpoint59q
39    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
40       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
41    o Refresh tutorial_global_oce_biogeo, notably:
42      - change bathymetry (put back seamounts in ACC, use hFacs)
43      - change EOS (POLY3 --> JMD95Z)
44      - use Bryan-Lewis vertical diffusivity
45      - use multidimensional advection
46      - remove old virtual virtual in dic pkg, now done through ptracer pkg
47      - change a couple of parameters in dic pkg
48    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
49    o pkg/obcs: change default to OBCSfixTopo = .true.,
50      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
51      - replace "debugMode" with "debugLevel .GE. debLevB"
52    o implementation of TAF directives for gchem,cfc,dic
53    o remove "exp5" (replaced by tutorial_deep_convection).
54    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
55      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
56      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
57      --> changes results in exp4, seaice_obcs
58    o tutorial_deep_convection :
59      update the set-up and increase resolution and domain size ; start
60      from pseudo initial conditions = output at t=120mn in order to see
61      something happening when running testreport.
62    o pkg/seaice: add os7mp as an advection scheme
63                  add check for advection schemes
64                  add a flag for restoring T and S underneath sea ice
65    o pkg/my82: add netcdf-support and diagnostics
66    o thsice pkg:
67      - Now hsMax limits snow height by turning it into ice following
68        flooding scheme (and now conserving energy)
69      - Slight rewriting of the formula in thsice_calc_thick.F
70      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
71      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
72    
73    checkpoint59p
74    o gchem / dic / cfc :
75      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
76      - add new parameter files: "data.dic" & "data.cfc" ;
77      - various re-arrangement in initialisation & header file ;
78      - fix tutorial_global_oce_biogeo for multi-threaded test.
79    o pkg/dic: test for "pickup_dic" file when restarting ;
80      if no pickup-file, can restart with a re-initialised pH (same as it did
81      before) providing pickupStrictlyMatch is set to False.
82    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
83      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
84    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
85      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
86    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
87     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
88       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
89    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
90       scheme to use for vorticty-term ;
91     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
92       (with default selectVortScheme, return to original discretisation)
93     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
94    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
95    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
96      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
97      also fix diagnostics VISCAHW & VISCA4W.
98    
99    checkpoint59o
100    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
101    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
102      move a few statemens out the main loop into separate loops
103    o pkg/shelfice:
104      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
105        (kg/m^2/s), does not break tests, because in verification/isomip,
106        rhoConstFresh=rhoConst (by accident)
107      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
108      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
109        new file model/src/seawater.F, so that they are available for all pkgs.
110      - convert potential temperature into in-situ temperature. This changes the
111        isomip tests => update tests
112    o add a flag writePickupAtEnd (default=true) to be able to suppress
113      writing a pickup at the last timestep
114    o tools/mpack-1.6 :
115      - disable automake (not working) and autoconf (not needed).
116      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
117        also cleaner with much less compilation warnings.
118    o pkg/profiles:
119      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
120      (for "less than 32 characters name" compiler requirement)
121    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
122      conditions that have a different sampling frequency than S/T/U/V obcs
123    o pkg/diagnostics (stats-diags):
124      - fix global Min/Max in case 1 processor get only empty tiles
125    o genmake2: replace (4 times)
126         make genmake_tc_1.o >> genmake_warnings 2>&1
127      with
128         COMM="$CC $CFLAGS -c genmake_tc_1.c"
129         echo $COMM >> genmake_warnings
130         $COMM >> genmake_warnings 2>&1
131      to make genmake2 always see the value of CC as specified in the optfile.
132    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
133      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
134      - modify verification advect_cs test to test SOM-advection on CS-grid.
135    o pkg/ctrl:
136      - Rewrite of ctrl_map_ini_ecco.F,
137        introducing a generic routine (ctrl_map_ini_gen.F).
138      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
139    
140    checkpoint59n
141    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
142      number in dedicate array "hdiag":
143      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
144        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
145      - many small changes (integer format) for large number of diagnostics
146      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
147        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
148    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
149      usingSphericalGrid, this allows to define the rotated grid coordinates
150      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
151      geographical coordinates according to the inverse of the rotation defined
152      by the Euler angles, so that Coriolis parameter and online-interpolation by
153      exf works with the geographical coordinates on XC/YC/XG/YG.
154      Naturally, this feature does not work with all packages, so some
155      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
156      profiles), because there the coordinates are assumed to be regular
157      spherical grid coordinates.
158    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
159      - introduce isopycnal diffusion coefficient control.
160    o tools/adjoint_options:
161      - additional control vector components.
162    o pkg/mnc: have mnc create marginally meaning full coordinate variables
163      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
164    o pkg/mypackage:
165      - add example of read/write pickup for state-var ;
166      - add entry points to the main code for state-vars diags & write-pickup.
167    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
168      transitions for useExfYearlyFields
169      - add new subroutine that determines the file to read from for
170        use*YearlyFields = .TRUE. and .FALSE.
171      - add a verification experiment to global_with_exf that tests
172        useExfYearlyFields with USE_EXF_INTERPOLATION defined
173    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
174      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
175      subroutines (which could be generated from a template, because they are
176      almost identical), for now they are included in obcs_prescribe_read.F for
177      simplicity
178    o pkg/exf:
179      - add a little more diagnostic to exf_interp_read (in analogy to
180        mds_read_field, can be turned off with debugLevel < debugLevA=1)
181      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
182        ugly but fast by unrolling short inner loops, inserting a unroll=8
183        directive in routine lagran, and splitting a loop and making do while the
184        outermost loop (the latter requires the intoduction of index arrays)
185    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
186    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
187      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
188    o verification/seaice_obcs: updated for restart test and latest options
189    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
190      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
191      for now this is only available for the C-grid code and also within
192      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
193    
194    checkpoint59m
195    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
196      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
197    o gad_som : fix flux output (& diagnostics) to have same units as other  
198      advection scheme fluxes (was previously multiplied by deltaT).  
199    o added verification/seaice_obcs both to test seaice open boundaries
200      and to provide an example matlab scrpt for generating them
201    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
202    o pkg/salt_plume: clean up salt_plume_frac.F to
203      remove redundancy in PlumeMethod 1 and 4
204    o pkg/kpp: added saltplume diagnostics
205    o pkg/obcs and pkg/seaice:
206      - do not set uice and vice to zero when OB*icefile are unspecified
207      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
208      - moved seaice tracer obcs after call to seaice_growth
209    o pkg/salt_plume: added various options for salt plume depth
210      criterion and for vertical distribution of the salt
211    
212    checkpoint59l
213    o pkg/ptracers: new version of ptracers pickup:
214      read meta file and write only fields which are needed to restart.
215      ( same logic as main pickup file ; also using pickupStrictlyMatch )
216    o pkg/seaice:
217      - add timescale for melting due to warm mixed layer as a means of
218        setting SEAICE_availHeatFrac more conveniently
219      - add a CPP-flag/runtime parameter check for flooding algorithm
220      - reformulated availHeat in seaice_growth.F to be independent of AREA
221    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
222      unit changes
223    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
224    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
225      SX vector computer.
226    o pkg/seaice:
227      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
228        seaice forcing fields can now be read only through pkg/exf
229      - removed some unused halos
230    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
231    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
232      or U/VICE from U/VWIND before computing U/VSTRESS
233    
234    checkpoint59k
235    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
236      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
237    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
238      all experiments pass when compile with un-initialised var. checking option.
239    o added pkg/salt_plume
240    o script to test restart (for now, in MITgcm_contrib/jmc_script)
241    o pkg/seaice: new read/write pickup version.
242      read meta file and write only fields which are needed to restart.
243      ( same logic as main pickup file ; also using pickupStrictlyMatch )
244    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
245    o lab_sea.hb87: modify the domain & update output.hb87.txt :
246      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
247      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
248      process. Fixed here by closing the domain at the Northern boundary.
249    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
250    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
251      a set of consecutive levels in/from a 3-D array.
252    o pkg/ptracers:
253      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
254      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
255    
256    checkpoint59j
257    o in pkgs: dic, obcs, offline, rbcs:
258      standard way to compute coeff. for time interpolation between 2 time reccords
259      which retains full precision (& make results less dependent on compiler).
260      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
261    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
262      packages instead of reading ice cover and wind speed separately
263    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
264     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
265      to allow to compile customized code before the update)
266    o cleaning-up:
267      - fix CPP instruction syntax in pkg/obcs
268      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
269        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
270      - fix some threads issue in IO parts.
271  o pkg/dic:  o pkg/dic:
272    - add tons of "_d 0" (--> much better testreports !)    - add tons of "_d 0" (--> much better testreports !)
273     and then update outputs of tutorial_global_oce_biogeo     and then update outputs of tutorial_global_oce_biogeo
# Line 64  o add a little bit of code to gad_os7mp_ Line 328  o add a little bit of code to gad_os7mp_
328  o add new diagnostics to seaice: advective, diffusive fluxes (only for  o add new diagnostics to seaice: advective, diffusive fluxes (only for
329    multidim-advection, for scheme 2 they are not filled) and transports,    multidim-advection, for scheme 2 they are not filled) and transports,
330    thermodynamic growth rates    thermodynamic growth rates
331  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)
332    leave input file unchanged. Affects results @ truncation level (cg2d match)    from m/s to kg/m2/s (mass flux) but leave input file unchanged.
333    and update output of experiments: lab_sea(6), global_ocean.90x40x15(10),    Affects results @ truncation level (cg2d match) and update output of
334       experiments: lab_sea(6), global_ocean.90x40x15(10),
335    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)
336    + adjoint results: global_ocean_ebm(11) and lab_sea (12).    + adjoint results: global_ocean_ebm(11) and lab_sea (12).
337      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
338    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).    Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
339    
340  checkpoint59h  checkpoint59h

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