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revision 1.979 by mlosch, Thu Apr 24 08:23:20 2008 UTC revision 1.1041 by jmc, Wed Nov 19 01:56:41 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 move getcon.F from model/src to pkg/fizhi.
8    o pkg/exf: add parameter for extrapolation of temp up to the surface
9       and option to prevent negative evap (in bulk_largeyeager04 only).
10    o Prather Advection scheme: fix tracer conservation for divergent flow
11      (e.g., when using NonLin Free-Surface).
12    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
13    o gmredi (Visbeck-variable-K):
14     - add more parameters to Visbeck-variable-K.
15     - use a 5 points average for dSigmaR in Visbeck-K calculation
16       (more "homogenous": same stencil and same weights as in dSigmaH)
17     - update output of ideal_2D_oce experiment.
18    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
19      (#undef REAL4_IS_SLOW)
20     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
21       coordinate variable
22     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
23       (surface forcing fields), removes some of the functionality
24     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
25     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
26       probably not all: copy _RS surface flux fields to RL field before
27       calling DIAGNOSTICS_FILL
28     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
29       real*4 (CALL EXCH_*_RS) versions.
30     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
31       (generate new output).
32    
33    checkpoint61e
34    o gmredi (Visbeck-variable-K):
35      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
36      - change computation of Visbeck-K where Slope > Smax :        
37        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
38        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
39    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
40      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
41    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
42    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
43      does not become too large (to avoid precision problems in implicit-diffusion
44      solver); update ideal_2D_oce output.
45    o pkg ggl90:
46      - in ggl90_cal.F: compute only one set of visc/diff, used to
47        step forward TKE/T/S/momentum
48      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
49        have Prandlt =1)
50    o gmredi (fm07):
51      - add lower limit on Transition layer thickness + lower limit on 1/lambda
52      - allow to set few more params from data.gmredi
53    o pkg ggl90:
54          - add missing sqrt(2) factor in computation of mixing length
55            scale in ggl90_calc.F
56            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
57    
58    checkpoint61d
59    o adjoint modifs
60      - adapt to new field rhoInSitu
61      - allow to revert from StoreDynVars2D, StoreDynVars3D
62        to individual fields
63        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
64    o store 3-D (in-situ) density in commom block (DYNVARS.h)
65     - save 1 rho computation.
66     - no longer modify T & S inland when using down_slope pkg.
67    o gad_som : allow to switch to SOM advection for T & S without corresponding
68      pickup files (using new S/R: MDS_CHECK4FILE).
69    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
70      (for useSingleCpuIO to work in multi-threaded)
71    o pkg/shelfice:
72     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
73       with SHELFICEtopoFile in data.shelfice
74     - move code for reading ice shelf topography and modifying hFacC into separate
75       subroutines of the shelfice package
76     - separate initialisation of "fixed" and "variable" variables
77     - kTopC is not (yet) replaced by kSurfC, although this is possible
78    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
79    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
80      and rename:
81      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
82      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
83    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
84    
85    checkpoint61c
86    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
87      to add mass source/sink of fluid in the interior (3-D generalisation
88      of oceanic real-fresh water flux).
89    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
90    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
91    o new pkg: down_slope
92      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
93      - presently, modify T & S inland (dwnslp_calc_rho.F).
94        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
95      - implementation for ocean in P-coords not tested.
96      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
97    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
98      (to facilitate conversion of oceanic pkg to p-coordinate).
99    o change FIND_RHO to FIND_RHO_2D :
100      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
101    o new pkg: cheapaml
102    
103    checkpoint61b
104    o exch2:
105      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
106      - no longer depend on the order sequence (N,S,E,W).
107      - 3rd exchange no longer needed (tested with 24 tiles).
108      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
109      - exch_UV_A-grid readily available (but not yet tested).
110      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
111      (both are no longer needed) in exch_uv: no effect in forward run; but
112       get truncation error differences with adjoint exch.
113    o exch2:
114     - change index-bounds storage (moved from target to local tile,
115       more intuitive this way) ; rename/remove some variables.
116     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
117    
118    checkpoint61a
119    o exch2/matlab-topology-generator:
120      fix bug in index bounds for N-S internal exchange (hard to tell if this
121      had any effect on the solution).
122    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
123      is exceeded
124    o testreport: modify syntax of awk, so that it works also with
125      awk, and not only with nawk and gawk
126    
127    checkpoint61
128    o autodiff
129      Change default for TAF usage by removing argument '-nonew_arg'
130      This changes TAF subroutine argument list (ordering of active var.)
131      Omission of this flag leads to incompatibility w.r.t. TAMC
132      To restore TAMC-compatibility, need following modifs:
133      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
134      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
135      Tested TAF version is 1.9.22
136      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
137    
138    checkpoint60
139    --->>> This is the last checkpoint for which generating the adjoint
140    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
141    --->>> by default.
142    --->>> Future checkpoints will ommit this flag by default.
143    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
144    o pkg/grdchk: Add gradient check to etan0 perturbations.
145    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
146    o pkg/autodiff: more flexibility in zeroadj.
147      model/src: modifying do_oceanic_phys.F accordingly.
148    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
149    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
150      special setup of gmredi for which the adjoint is stable
151      enough for parameter optimization.
152    o bridging the gap between eddy stress and GM.
153      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
154          along with a change in CPP option (now ALLOW_EDDYPSI).
155      -> when using GM w/ GM_AdvForm:
156          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
157          is applied either in the tracer Eq. or in momentum Eq.
158          depending on data.gmredi (intro. GM_InMomAsStress).
159      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
160      The key modifications are in model/src/taueddy_external_forcing.F
161      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
162    
163    checkpoint59r
164    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
165      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
166      fix option to read coriolis(@ cell-corner) from files with CS-grid.
167    o pkg/mnc: add some attributes to standard 1D-coordinate variables
168    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
169      mass points, when using mnc for output
170      - add runtime parameter (missing_value, missing_value_int) to override
171        default (which is the value of getcon('UNDEF'))
172    o pkg/mnc: prepare mnc for the actual use of missing values with the
173      diagnostics package: small fix in mnc_cw_readwrite.template and more
174      initialisation of never used fields
175      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
176      versions
177    o pkg/thsice/thsice_ini_vars.F added default initial values so that
178      thermodynamics sea ice solver does not blow up when some initial fields
179      are missing.
180    o move from external_forcing_surf.F to ini_forcing.F
181      the p-coord. hack consisting in using pLoad to set phi0surf ;
182      update output of tutorial_global_oce_in_p (affected @ truncation level).
183    o Freshen up a bit hs94.1x64x5, notably:
184      remove rotationPeriod and tRef=5*0. (adjoint only), and add
185      exactConserv=.TRUE.
186    o pkg/generic_advdiff:
187      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
188      applies to files where Temperature & Salinity 2nd Order moments are used.
189    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
190      this uses a dynamically allocated internal state data structure
191      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
192      and requires a fortran 90 compiler
193    
194    checkpoint59q
195    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
196       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
197    o Refresh tutorial_global_oce_biogeo, notably:
198      - change bathymetry (put back seamounts in ACC, use hFacs)
199      - change EOS (POLY3 --> JMD95Z)
200      - use Bryan-Lewis vertical diffusivity
201      - use multidimensional advection
202      - remove old virtual virtual in dic pkg, now done through ptracer pkg
203      - change a couple of parameters in dic pkg
204    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
205    o pkg/obcs: change default to OBCSfixTopo = .true.,
206      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
207      - replace "debugMode" with "debugLevel .GE. debLevB"
208    o implementation of TAF directives for gchem,cfc,dic
209    o remove "exp5" (replaced by tutorial_deep_convection).
210  o pkg/obcs: add code to fix topography gradients normal to open boundaries;  o pkg/obcs: add code to fix topography gradients normal to open boundaries;
211    this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;    this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
212    the code can be turned on by setting OBCSfixTopo = .true. in data.obcs    the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
213    --> changes results in dome, exp4, internal_wave, seaice_obcs, and    --> changes results in exp4, seaice_obcs
214    tutorial_plume_on_slope.  o tutorial_deep_convection :
 o tutorial_deep_convection :  
215    update the set-up and increase resolution and domain size ; start    update the set-up and increase resolution and domain size ; start
216    from pseudo initial conditions = output at t=120mn in order to see    from pseudo initial conditions = output at t=120mn in order to see
217    something happening when running testreport.    something happening when running testreport.
# Line 22  o thsice pkg: Line 224  o thsice pkg:
224      flooding scheme (and now conserving energy)      flooding scheme (and now conserving energy)
225    - Slight rewriting of the formula in thsice_calc_thick.F    - Slight rewriting of the formula in thsice_calc_thick.F
226    - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos    - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
227      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice    --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
228    
229  checkpoint59p  checkpoint59p
230  o gchem / dic / cfc :  o gchem / dic / cfc :

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