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revision 1.966 by jmc, Fri Mar 7 19:25:48 2008 UTC revision 1.1042 by jmc, Thu Nov 20 22:52:06 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, LSR solver: fix bug in GLOBAL_MAX calls ;
8      update results of global_ocean.cs32x15.icedyn test.
9    o move getcon.F from model/src to pkg/fizhi.
10    o pkg/exf: add parameter for extrapolation of temp up to the surface
11       and option to prevent negative evap (in bulk_largeyeager04 only).
12    o Prather Advection scheme: fix tracer conservation for divergent flow
13      (e.g., when using NonLin Free-Surface).
14    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
15    o gmredi (Visbeck-variable-K):
16     - add more parameters to Visbeck-variable-K.
17     - use a 5 points average for dSigmaR in Visbeck-K calculation
18       (more "homogenous": same stencil and same weights as in dSigmaH)
19     - update output of ideal_2D_oce experiment.
20    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
21      (#undef REAL4_IS_SLOW)
22     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
23       coordinate variable
24     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
25       (surface forcing fields), removes some of the functionality
26     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
27     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
28       probably not all: copy _RS surface flux fields to RL field before
29       calling DIAGNOSTICS_FILL
30     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
31       real*4 (CALL EXCH_*_RS) versions.
32     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
33       (generate new output).
34    
35    checkpoint61e
36    o gmredi (Visbeck-variable-K):
37      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
38      - change computation of Visbeck-K where Slope > Smax :        
39        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
40        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
41    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
42      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
43    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
44    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
45      does not become too large (to avoid precision problems in implicit-diffusion
46      solver); update ideal_2D_oce output.
47    o pkg ggl90:
48      - in ggl90_cal.F: compute only one set of visc/diff, used to
49        step forward TKE/T/S/momentum
50      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
51        have Prandlt =1)
52    o gmredi (fm07):
53      - add lower limit on Transition layer thickness + lower limit on 1/lambda
54      - allow to set few more params from data.gmredi
55    o pkg ggl90:
56          - add missing sqrt(2) factor in computation of mixing length
57            scale in ggl90_calc.F
58            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
59    
60    checkpoint61d
61    o adjoint modifs
62      - adapt to new field rhoInSitu
63      - allow to revert from StoreDynVars2D, StoreDynVars3D
64        to individual fields
65        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
66    o store 3-D (in-situ) density in commom block (DYNVARS.h)
67     - save 1 rho computation.
68     - no longer modify T & S inland when using down_slope pkg.
69    o gad_som : allow to switch to SOM advection for T & S without corresponding
70      pickup files (using new S/R: MDS_CHECK4FILE).
71    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
72      (for useSingleCpuIO to work in multi-threaded)
73    o pkg/shelfice:
74     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
75       with SHELFICEtopoFile in data.shelfice
76     - move code for reading ice shelf topography and modifying hFacC into separate
77       subroutines of the shelfice package
78     - separate initialisation of "fixed" and "variable" variables
79     - kTopC is not (yet) replaced by kSurfC, although this is possible
80    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
81    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
82      and rename:
83      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
84      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
85    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
86    
87    checkpoint61c
88    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
89      to add mass source/sink of fluid in the interior (3-D generalisation
90      of oceanic real-fresh water flux).
91    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
92    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
93    o new pkg: down_slope
94      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
95      - presently, modify T & S inland (dwnslp_calc_rho.F).
96        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
97      - implementation for ocean in P-coords not tested.
98      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
99    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
100      (to facilitate conversion of oceanic pkg to p-coordinate).
101    o change FIND_RHO to FIND_RHO_2D :
102      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
103    o new pkg: cheapaml
104    
105    checkpoint61b
106    o exch2:
107      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
108      - no longer depend on the order sequence (N,S,E,W).
109      - 3rd exchange no longer needed (tested with 24 tiles).
110      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
111      - exch_UV_A-grid readily available (but not yet tested).
112      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
113      (both are no longer needed) in exch_uv: no effect in forward run; but
114       get truncation error differences with adjoint exch.
115    o exch2:
116     - change index-bounds storage (moved from target to local tile,
117       more intuitive this way) ; rename/remove some variables.
118     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
119    
120    checkpoint61a
121    o exch2/matlab-topology-generator:
122      fix bug in index bounds for N-S internal exchange (hard to tell if this
123      had any effect on the solution).
124    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
125      is exceeded
126    o testreport: modify syntax of awk, so that it works also with
127      awk, and not only with nawk and gawk
128    
129    checkpoint61
130    o autodiff
131      Change default for TAF usage by removing argument '-nonew_arg'
132      This changes TAF subroutine argument list (ordering of active var.)
133      Omission of this flag leads to incompatibility w.r.t. TAMC
134      To restore TAMC-compatibility, need following modifs:
135      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
136      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
137      Tested TAF version is 1.9.22
138      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
139    
140    checkpoint60
141    --->>> This is the last checkpoint for which generating the adjoint
142    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
143    --->>> by default.
144    --->>> Future checkpoints will ommit this flag by default.
145    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
146    o pkg/grdchk: Add gradient check to etan0 perturbations.
147    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
148    o pkg/autodiff: more flexibility in zeroadj.
149      model/src: modifying do_oceanic_phys.F accordingly.
150    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
151    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
152      special setup of gmredi for which the adjoint is stable
153      enough for parameter optimization.
154    o bridging the gap between eddy stress and GM.
155      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
156          along with a change in CPP option (now ALLOW_EDDYPSI).
157      -> when using GM w/ GM_AdvForm:
158          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
159          is applied either in the tracer Eq. or in momentum Eq.
160          depending on data.gmredi (intro. GM_InMomAsStress).
161      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
162      The key modifications are in model/src/taueddy_external_forcing.F
163      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
164    
165    checkpoint59r
166    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
167      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
168      fix option to read coriolis(@ cell-corner) from files with CS-grid.
169    o pkg/mnc: add some attributes to standard 1D-coordinate variables
170    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
171      mass points, when using mnc for output
172      - add runtime parameter (missing_value, missing_value_int) to override
173        default (which is the value of getcon('UNDEF'))
174    o pkg/mnc: prepare mnc for the actual use of missing values with the
175      diagnostics package: small fix in mnc_cw_readwrite.template and more
176      initialisation of never used fields
177      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
178      versions
179    o pkg/thsice/thsice_ini_vars.F added default initial values so that
180      thermodynamics sea ice solver does not blow up when some initial fields
181      are missing.
182    o move from external_forcing_surf.F to ini_forcing.F
183      the p-coord. hack consisting in using pLoad to set phi0surf ;
184      update output of tutorial_global_oce_in_p (affected @ truncation level).
185    o Freshen up a bit hs94.1x64x5, notably:
186      remove rotationPeriod and tRef=5*0. (adjoint only), and add
187      exactConserv=.TRUE.
188    o pkg/generic_advdiff:
189      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
190      applies to files where Temperature & Salinity 2nd Order moments are used.
191    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
192      this uses a dynamically allocated internal state data structure
193      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
194      and requires a fortran 90 compiler
195    
196    checkpoint59q
197    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
198       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
199    o Refresh tutorial_global_oce_biogeo, notably:
200      - change bathymetry (put back seamounts in ACC, use hFacs)
201      - change EOS (POLY3 --> JMD95Z)
202      - use Bryan-Lewis vertical diffusivity
203      - use multidimensional advection
204      - remove old virtual virtual in dic pkg, now done through ptracer pkg
205      - change a couple of parameters in dic pkg
206    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
207    o pkg/obcs: change default to OBCSfixTopo = .true.,
208      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
209      - replace "debugMode" with "debugLevel .GE. debLevB"
210    o implementation of TAF directives for gchem,cfc,dic
211    o remove "exp5" (replaced by tutorial_deep_convection).
212    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
213      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
214      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
215      --> changes results in exp4, seaice_obcs
216    o tutorial_deep_convection :
217      update the set-up and increase resolution and domain size ; start
218      from pseudo initial conditions = output at t=120mn in order to see
219      something happening when running testreport.
220    o pkg/seaice: add os7mp as an advection scheme
221                  add check for advection schemes
222                  add a flag for restoring T and S underneath sea ice
223    o pkg/my82: add netcdf-support and diagnostics
224    o thsice pkg:
225      - Now hsMax limits snow height by turning it into ice following
226        flooding scheme (and now conserving energy)
227      - Slight rewriting of the formula in thsice_calc_thick.F
228      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
229      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
230    
231    checkpoint59p
232    o gchem / dic / cfc :
233      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
234      - add new parameter files: "data.dic" & "data.cfc" ;
235      - various re-arrangement in initialisation & header file ;
236      - fix tutorial_global_oce_biogeo for multi-threaded test.
237    o pkg/dic: test for "pickup_dic" file when restarting ;
238      if no pickup-file, can restart with a re-initialised pH (same as it did
239      before) providing pickupStrictlyMatch is set to False.
240    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
241      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
242    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
243      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
244    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
245     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
246       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
247    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
248       scheme to use for vorticty-term ;
249     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
250       (with default selectVortScheme, return to original discretisation)
251     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
252    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
253    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
254      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
255      also fix diagnostics VISCAHW & VISCA4W.
256    
257  checkpoint59o  checkpoint59o
258  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
259  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:

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