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revision 1.873 by jmc, Mon Sep 17 03:47:07 2007 UTC revision 1.929 by dimitri, Fri Dec 21 01:40:28 2007 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/obcs and pkg/seaice:
8      - do not set uice and vice to zero when OB*icefile are unspecified
9      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
10      - moved seaice tracer obcs after call to seaice_growth
11    o pkg/salt_plume: added various options for salt plume depth
12      criterion and for vertical distribution of the salt
13    
14    checkpoint59l
15    o pkg/ptracers: new version of ptracers pickup:
16      read meta file and write only fields which are needed to restart.
17      ( same logic as main pickup file ; also using pickupStrictlyMatch )
18    o pkg/seaice:
19      - add timescale for melting due to warm mixed layer as a means of
20        setting SEAICE_availHeatFrac more conveniently
21      - add a CPP-flag/runtime parameter check for flooding algorithm
22      - reformulated availHeat in seaice_growth.F to be independent of AREA
23    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
24      unit changes
25    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
26    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
27      SX vector computer.
28    o pkg/seaice:
29      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
30        seaice forcing fields can now be read only through pkg/exf
31      - removed some unused halos
32    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
33    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
34      or U/VICE from U/VWIND before computing U/VSTRESS
35    
36    checkpoint59k
37    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
38      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
39    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
40      all experiments pass when compile with un-initialised var. checking option.
41    o added pkg/salt_plume
42    o script to test restart (for now, in MITgcm_contrib/jmc_script)
43    o pkg/seaice: new read/write pickup version.
44      read meta file and write only fields which are needed to restart.
45      ( same logic as main pickup file ; also using pickupStrictlyMatch )
46    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
47    o lab_sea.hb87: modify the domain & update output.hb87.txt :
48      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
49      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
50      process. Fixed here by closing the domain at the Northern boundary.
51    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
52    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
53      a set of consecutive levels in/from a 3-D array.
54    o pkg/ptracers:
55      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
56      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
57    
58    checkpoint59j
59    o in pkgs: dic, obcs, offline, rbcs:
60      standard way to compute coeff. for time interpolation between 2 time reccords
61      which retains full precision (& make results less dependent on compiler).
62      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
63    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
64      packages instead of reading ice cover and wind speed separately
65    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
66     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
67      to allow to compile customized code before the update)
68    o cleaning-up:
69      - fix CPP instruction syntax in pkg/obcs
70      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
71        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
72      - fix some threads issue in IO parts.
73    o pkg/dic:
74      - add tons of "_d 0" (--> much better testreports !)
75       and then update outputs of tutorial_global_oce_biogeo
76    o pkg/mom_fluxform:
77      add a special version of momentum advection intended to conserve momentum
78      next to a bathymetry step or a coastline edge. (default = off = #undef)
79    o new read/write pickup version:
80      - for now, only implemented for main (mdsio) pickup file.
81      - write out only what is needed to restart; merge pickup_nh , pickup_ph
82        and main pickup together.
83      - read meta file; read only what is needed to restart; stop if a field
84        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
85        if it make sense (even if the restart is not perfect).
86      - if no meta file, assume that pickup to read corresponds exactly to
87        a pickup that would currently be written.
88      - read pickup written in the old format (until checkpoint59i) if it
89        recognizes an old meta file (no field-list).
90      - add a meta file in exp. which starts from a pickup: 2 cases:
91        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
92         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
93        b) a meta file describing the content of the associated pickup file
94         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
95    o pkg/mdsio & pkg/rw:
96      - new routine to read a meta file ; new set of routine to read
97        Multiple-fields file (with meta file).
98    o added open boundary conditions capability for seaice
99        HSNOW, HSALT, UICE, and VICE
100    
101    checkpoint59i
102    o adjoint:
103      * fix multiDimAdvection adjoint
104        (partial recomputation problem by TAF for fVerT(:,:,kDown)
105        and comlev1 size definition (maxpass vs. max. number of tracers)
106      * verification/global_ocean.90x45x15 adjoint now tests
107        NLFS and multiDimAdvection using DST3 (=30)
108      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
109    o pkg/kpp: add "_d 0" to real constant (if missing);
110      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
111      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
112    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
113      for internal parameters related to restart process (formerly from PARAMS.h)
114      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
115    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
116      as argument. (only atm2d & obcs write_pickup have not yet been updated)
117    o pkg/monitor:
118      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
119      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
120      - account for deep Atmosphere factor and density factor (anelastic)
121    o added open boundary conditions capability for seaice HEFF and AREA
122    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
123      thermodynamics
124      - requires a little reorganization, which affects the testreport results
125        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
126        so that now the conservative form is tested
127      - add a few comments
128    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
129    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
130    o add new diagnostics to seaice: advective, diffusive fluxes (only for
131      multidim-advection, for scheme 2 they are not filled) and transports,
132      thermodynamic growth rates
133    o change units of EmPmR (inside the code, + within coupling interface)
134      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
135      Affects results @ truncation level (cg2d match) and update output of
136       experiments: lab_sea(6), global_ocean.90x40x15(10),
137      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
138      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
139      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
140      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
141    
142    checkpoint59h
143    o pkg/exf:
144      - improve vectorization by moving if-statement out of loops in
145        exf_mapfields, exf_radiation
146      - exf_bulkformulae.F: introduce 2D fields and vectorize code
147    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
148    o testreport:
149      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
150        monitor & update offline_exf_seaice exp. output.
151      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
152    o pkg/seaice:
153      - bug fix in the evp solver: boundary conditions were affected be
154        masking of zMax/zMin (changes results)
155      - minor bug fix in boundary conditions in seaice_calc_strainrates
156        (changes results for no_slip)
157      - seaice_lsr.F: make interpolation of eta dependent on boundaries
158      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
159      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
160        stress formulation and no-slip boundary conditions
161    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
162      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
163    o pkg/seaice: a first HSALT time stepping equation has been checked in
164    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
165      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
166      without requiring DO-IF statements
167    o pkg/thsice:
168      use continuous power-law function for partition of energy between lateral
169      melting/freezing and thinning/thickening ; old code using step function
170      still available with #undef THSICE_FRACEN_POWERLAW
171      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
172    o testreport: change AD testing : check against results/output_adm.txt
173      using same scripts as for forward test.
174    
175    checkpoint59g
176  o adjoint testing: in preparation for changing testreport:  o adjoint testing: in preparation for changing testreport:
177    - output format: cost and grad written on separated lines    - output format: cost and grad written on separated lines
178    - ad output results in directory "results" (instead of "results_ad")    - ad output results in directory "results" (instead of "results_ad")
# Line 277  o in FFIELDS.h: Line 446  o in FFIELDS.h:
446       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
447  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
448  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
449      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
450        are no longer updating the vertical diffusivity array
451        (passed as argument) but are (re-) setting those arrays.
452  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
453    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
454      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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