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revision 1.678 by jmc, Wed Jun 14 18:14:14 2006 UTC revision 1.757 by mlosch, Wed Dec 20 12:27:02 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o fix multi-category seaice:
8     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
9       SEAICE_MULTICATEGORY
10     - fix short wave heat flux
11    o Initial check-in of lab_sea adjoint
12      (very similar to natl_box_adjoint/code_seaice)
13      * used C-grid and EVP solver
14      * used KPP, GM/Redi
15      * uses inAdExact=.TRUE.
16      * gradient checks fail for both ADM and TLM
17        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
18        f.d. gradients actually seem more problematic than ADM, TLM gradients;
19        issue is related to forward mismatch between g77 an ifort
20    o pkg/seaice: overhaul of thermodynamics
21     - growth.F and groatb.F are replaced by new routine seaice_growth.F
22     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
23     - move a few global fields out of SEAICE.h into seaice_growth.F and
24       make them 2D (FICE/QNETO/ ...)
25     - remove FO (it is the same as QNETO)
26     - introduce a few local fields to avoid modifying external fields such
27       as atemp, etc.
28    
29    checkpoint58s_post
30    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
31      changed exf_set_gen.F so that
32        genperiod=0 means input file is one time-constant field and
33        genperiod=-12 means input file contains 12 monthly means
34    o CG2D: use pre-computed solver main-diagonal (stored in common block);
35      this affects truncation error ; generate new output file for exp. which
36      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
37        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
38        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
39        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
40        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
41        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
42    o start implementation of deep-atmosphere and anelastic formulation
43    o verification: remove 2nd copy of input files and use script "prepare_run"
44      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
45    o mom_common/vecinv/fluxform: fix a few initialisation isssues
46    o profiles: fix for multithreaded case
47    
48    o diagnostics: rename few diags:
49      s/'PRESSURE'/'RCENTER '/g
50      s/'TICE    '/'oceFreez'/g
51      s/'TAUX    '/'oceTAUX '/g
52      s/'TAUY    '/'oceTAUY '/g
53      s/'SWFLUX  '/'oceQsw  '/g
54      s/DIFx/DFxE/g
55      s/DIFy/DFyE/g
56      and add few ocean-forcing diagnostics:
57      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
58    o modifications to pkg/seaice/growth.F and budget.F, which change results of
59      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
60      as actual snow thickness.  It now refers everywhere to effective snow
61      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
62    
63    checkpoint58r_post
64    o modifications to pkg/seaice/growth.F, which change results of
65      lab_sea experiment: fixes pertain to melting snow over open water, to
66      masking EVAP under sea ice, and to using the correct AREA variable for
67      computations of EVAP, PRECIP, HSNOW, and GHEFF
68    o add ability to read bathy, salt, and theta using MNC (off by def)
69    o add flooding algorithm and advection of HSNOW for pkg/seaice;
70      both are turned off by default and do no change any results
71    o seaice advection with pkg/thsice: a step toward the use of non-linear
72      advection scheme, but #ifdef or commented out for now (requires more EXCH).
73    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
74      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
75      in natl_box (affects results @ truncation level: update output.txt)
76    o multi-threading and IO:
77      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
78      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
79        (needed to work with SingleCpuIO): tested in all verif. exp.
80    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
81      affects the results (but none of the verification test uses this scheme).
82    o Adding some pkg/diagnostics capability to pkg/seaice
83      (will certainly be subject to changes)
84    o ctrl: adding new control variables:
85      lwflux, lwdown, evap, snowprecip, apressure, runoff
86    
87    checkpoint58q_post
88    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
89      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
90      high_res_cube configuration by 4% on Columbia.
91    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
92      add (in global_with_exf/code) a version of EXF_INTERP_READ without
93      dynamical allocation (seems to work in multi-threaded).
94    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
95      single CPU io) so that TAF does not have to see EESUPPORT.h
96    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
97    
98    checkpoint58p_post
99    o obcs: stop if obcs is used with useCDscheme = .true.
100    o shelfice:
101     - fix a sign error so that no slip at shelfice interface works
102     - remove stop for combination non-hydrostatic code and shelfice. That does
103       not mean, that the results are correct, but at least they are numerically
104       stable
105    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
106    o added adjoint exch routined for all exch*3d* routines
107      and updated flow directives
108    
109    checkpoint58o_post
110    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
111      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
112    o change controling S/R for writing pickup file (new S/R do_write_pickup)
113      and clean-up reading/writing of pickup files.
114    o fix local version of read/write pickup (NH part) in rotating_tank/code
115    o simplify EXCH interface:
116     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
117     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
118    o added the regrid package
119    o shelfice:
120     - add a simple boundary layer scheme to reduce noise
121     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
122    
123    checkpoint58n_post
124    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
125       local variable (not in common block).
126    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
127      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
128      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
129        to work with SingleCpuIO.
130    o add "_d 0" to real constant of pkg/cfc subroutines ;
131       update exp. cfc_exemple & tutorial_cfc_offline output files.
132    o multi-threading and IO:
133      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
134        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
135      - barrier before and after reading.
136      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
137      - avoid using MDS_WRITELOCAL for LAND pkg output.
138      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
139        common-block variables ; Allows multi-threading with master-thread IO.
140    o change default MAX_NO_THREADS from 32 to 4 ;
141      and stop cleanly when MAX_NO_THREADS is too small.
142    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
143    
144    checkpoint58m_post
145    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
146       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
147    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
148       keep global_ocean.90x40x15 (for AD testing) with former secondary test
149       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
150    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
151        add MITgcm_tutorials (= code + all the tutorials)
152    o ecco, option to compute cost for total ssh (mean+anom)
153    o consistent with addition of ptracer and ssh in pkg/profiles
154    o profiles: adding ptracer and ssh
155    o testreport: change multi-test output-file name
156      (from output.txt.{name} to output.{name}.txt)
157    o profiles: now ok for mutli-tiles case
158    o seaice: add 4 parameters for different advection schemes for area,
159      (effective) seaice thickness, enthalphy, and snow height. Their default
160      is the standard parameter SEAICEadvScheme
161    o calc_gw:
162     - add cosFacU in zonal viscous flux (harmonic.visc.).
163     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
164       of tutorial_plume_on_slope.
165    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
166    o calc_gw: true flux-form, account for horizontal grid spacing.
167      update rotating_tank results, but not plume_on_slope (affected at
168      truncation level, 11 digits).
169    
170    checkpoint58l_post
171    o calc_gw:
172     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
173     - remove side-drag for now (need to fix it); update plume_on_slope results.
174     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
175    o commit code to make SST/SSS weights spatially variable
176      (based on either variable in-situ or variable initial T/S weights)
177    o pkg/ecco:
178      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
179        now based on horizontally varying weights wthetaLev, wsaltLev
180      * cost_averagesflags now returns year indices in addition to day, month
181      * sflux balance is performed on annual basis
182        (sflxumm, sfluxmm2, bal_sfluxmm)
183      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
184        including separate counting and multipliers
185    o pkg/rbcs
186      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
187    
188    checkpoint58k_post
189    o testreport:
190     - always build in dir. "build" (if not there, mkdir build instead of building
191       & running in input)
192     - run in dir run (if it exists), in build otherwise.
193     - call prepare_run (if input/prepare_run exists)
194     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
195    o pkg/exf modifications to interpolation and rotation routines for more
196       reasonable treatment of North Pole singularity: for tracers North Pole
197       value is set to northernmost zonal-mean value, for zonal velocity it is
198       set to zero, and for meridional velocity it is set to northernmost value.
199    o pkg/exf/exf_check_range.F
200     - add tile index to diagnostics and move stop statement to the very
201       end of the routine.
202    o pkg/diagnostics: (diagnostics_main_init.F)
203      define title of isomorphic variables according to the current config.
204    o pkg/thsice with pkg/seaice dynamics:
205    - fix domain of computation (interior only, required for exf) and do exchanges
206    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
207    o towards a standard way of dealing with multi-threading in MONITOR
208      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
209    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
210       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
211    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
212    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
213    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
214       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
215    o tracer advection:
216     - clean-up and simplify calc_common_factors.F
217     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
218       advection subroutine (but still not used within DST advection S/R)
219    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
220    
221    checkpoint58j_post
222    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
223      from file (collects calls previously in FORWARD_STEP)
224    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
225    o adjoint store dir. adjusted accordingly
226    o genmake2
227      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
228    
229  checkpoint58i_post  checkpoint58i_post
230  o pkg/seaice: add parameter that allows to scale/turn off effect of seaice  o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
231    on wind stress (SEAICEstressFactor defaults to 1.)    on wind stress (SEAICEstressFactor defaults to 1.)

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