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revision 1.2097 by mlosch, Fri Nov 28 14:19:20 2014 UTC revision 1.2158 by jmc, Fri Jun 12 18:01:05 2015 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/layers:
8      - clean-up old parameters setting (from Sep 2012):
9        + remove old parameters setting from common block (declared locally);
10        + stop if any old parameter is mixed with new parameters;
11        + check for valid or consistent parameter setting (e.g., layers_name)
12      - check that layers_bounds for Pot.Density are in the right range;
13        this is supposed to catch un-updated setting after recently shifting
14        potential density field "prho" by -1000 (now in "sigma" scale).
15    o pkg/layers:
16      - Added missing call to layers_fill for keeping track of tottend in
17        pkg/diagnostics/diagnostics_fill_state.F
18    o pkg/layers:
19      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
20        of diapycnal fluxes
21    o pkg/layers:
22      - reverted changes to interpolation to previous treatment; there
23        was never actually a problem
24    o pkg/layers:
25      - fix interpolation of layers tracers in the presence of partial cells
26      - add lots of new functionality to compute water mass transformation
27        (enabled by CPP flag LAYERS_THERMODYNAMICS)
28      - add new calls from main code (diags_oceanic_surf_flux.F,
29        thermodynamics.F, impldiff.F) and gad to save the necessary fields
30        for layers_thermodynamics calculations
31    o pkg/ptracers:
32      - add capability of stepping a passive tracer forward without advection
33        by setting PTRACERS_advScheme to 0.
34    o pkg/diagnostics:
35      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
36    o pkg/layers:
37      - shift potential density field "prho" by -1000 for density layer averaging so
38        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
39        Note that density bin boundaries (layers_bounds in data.layers) have
40        to be set accordingly (i.e., shifted, in sigma scale).
41    o pkg/layers:
42      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
43      - fix calculation of layer non-weighted velocity and layer probability
44      - add diagnostics for pot.density used for layer averaging
45    o pkg/seaice:
46      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
47        positiveness, modify a few comments and improve variable names,
48      - the changed computation of deltaC affects most seaice-related
49        experiments at the truncation level.
50        seaice_itd.thermo is affected by far the most, with
51        only 7 digits of agreement remaining; update experiments.
52    
53    checkpoint65l (2015/05/04)
54    o pkg/shelfice:
55      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
56        factor drKp1 to zero where it is negative (ie. do not use
57        SHELFICEBoundaryLayer if hFacC>1)
58      - the same for factor drLoc in shelfice_forcing.F
59    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
60        with modules in ptracers, when using testreport option "-small_f"
61    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
62      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
63    o verification/testreport
64      - add new option -small_f
65        with this option testreport first makes the target small_f (*.f files)
66        before running make (all). This is useful for explicit inlining when
67        all sources need to be full available.
68    o pkg/exf/exf_interp.F:
69        remove previous changes related to reverse (decreasing) input grids latitude
70    
71    checkpoint65k (2015/04/01)
72    o pkg/ecco:
73        fix missing cosphi initialization; use eccoiter in place of optimcycle;
74        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
75        instead of active read/write
76    o pkg/ctrl:
77        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
78        instead of active read/write.
79    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
80        return if .NOT.useAUTODIFF
81    o pkg/seaice: add CPP brackets (cost function related).
82    o model/src:
83        add useAUTODIFF run time switch.
84    o pkg/exf/exf_interp.F:
85        add code to allow input grids with latitude starting in the north (i.e. when
86        j=1 corresponds to northern edge of field); modify global_with_exf to test
87        this feature.
88    o verification/testreport:
89      - replace "grep -A3" with POSIX conformal sed command, because there are
90        implementations of grep that cannot do contextual searches
91      - replace "cat -n" by "nl" (two occurrences), because not all implementations
92        of "cat" have the option "-n"
93    o model/src:
94        add new file gsw_teos10.F that contains 3 functions, more or less a copy
95        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
96        convert from conservative to potential temperature. For now they are not
97        called anywhere.
98    o pkg/ggl90: make "useIDEMIX" useful
99      - re-organize code in s/r ggl90_calc a little to move computations that
100        are different for idemix into separate loops (changes verification
101        experiment idemix at truncation level, 12 digits remain -> updated)
102      - requires 2 new 2D fields KappaM, verticalShear
103      - make hFacI and recip_hFacI local 3D variables that are passed to
104        s/r ggl90_idemix
105      - fix and improve some comments
106    
107    checkpoint65j (2015/02/25)
108    o pkg/openad
109      - synchronize seawater.F with version in model/src: replace routine
110        body of sw_temp by calling sw_ptmp and fix/add a few comments.
111    o pkg/mnc:
112      - change default value of pickup_read/write_mnc params to FALSE
113        (since few features are missing in reading MNC pickup files).
114    o model/src:
115      - change default (background) vertical diffusivity for salt to be the
116        temperature (background) vertical diffusivity.
117      - change background vertical diffusivity in vertical mixing pkgs ggl90,
118        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
119        This makes ptracers default diffusivity (that uses salt diffKr) more
120        consistent with vertical mixing schemes.
121    o verification/testreport:
122      - fix typo in "-pcls" option ;
123      - put temp files in /tmp (instead of in local dir)
124      - add option "-ncad" to use genmake2 new option "-nocat4ad"
125      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
126    o pkg/ggl90 (idemix code):
127      - apply few fixes ; add some missing "_d 0" ; update output of exp.
128        global_ocean.90x40x15.idemix
129    o OpenAD
130      - enable active file I/O and begin removal of work-around code
131        for OpenAD for handling control variables (memory vs. active files)
132      - new CPP options file OPENAD_OPTIONS.h
133      - revert to genarr2d gradient check for hs94.1x64x5
134      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
135      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
136    o tools/genmake2:
137      - add option for an alternative Makefile (from Martin) where multiple
138        source files are sent to TAF (instead of all in one file).
139    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
140      - code provided by Carsten Eden as an extension of ggl90
141      - so far the code is turned on within ggl90 by setting a CPP-flag at
142        compile time; a runtime flag implementation is not yet complete
143      - tested in new verification experiment global_ocean.90x40x15.idemix
144    o verification:
145      - reduce length of the AD test run by half for experiments
146        global_ocean.cs32x15 (std + thsice) and isomip
147      - enable active file I/O for OpenAD, adjust verifications accordingly
148      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
149    o verification/testreport:
150      - fix two non-POSIX sed statements so that there are no error messages
151        on Mac OS X
152      - replace hostname -s with hostname | sed 's/\..*$//'
153    o model/src/seawater.F:
154      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
155        (following the matlab code), which would have avoided the bug caught
156        by Matt (see below) in the first place
157    o pkg/shelfice:
158      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
159        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
160      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
161        ice-shelf case (i.e., within surface level).
162      - add config summary in shelfice_check.F
163      - remove global variable recip_SHELFICElatentHeat and replace by a local
164        variable recip_latentHeat
165      - introduce diagnostics for friction velocity uStar (in case of
166        SHELFICEuseGammaFrict)
167      - change verification experiment isomip.htd:
168        + start from pickup (as input_ad at nIter0=8640)
169        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
170        + test SHELFICEuseGammaFrict = .TRUE.
171        + test SHELFICEadvDiffHeatFlux = .TRUE.
172    o model/src:
173      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
174        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
175        update output of experiments global_with_exf.yearly and isomip (all 6).
176    o pkg/shelfice:
177      - change setting of kTopC to also be zero where there is no ice-shelf.
178      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
179        ice-shelf is.
180      - first attempt to get RealFreshWaterFlux effects: for now, only without
181        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
182    o pkg/seaice: add the option to prescribe a fixed thickness PDF
183      for thermodynamic calculations
184      - because of divisions of the type 7/7 not exactly equal to 1, this change
185        affects results of some verification experiments by up to 4 digits:
186        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
187        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
188        adjoint: lab_sea, lab_sea.noseaicedyn
189        -> updated
190    
191    checkpoint65i (2015/01/23)
192    o model/src:
193      - change units of frictionHeating field from W to W/m^2
194      - fix bug in frictional heating from stratospheric drag in
195        S/R ATM_PHYS_TENDENCY_APPLY_V
196      - with synchronous time-stepping: move resetting to zero of frictionHeating
197        field from load_fields_driver.F to thermodynamics.F ;
198      - add diagnostics for frictional heating.
199    o model/src & gmredi K3D:
200      - add frictionHeating field to pickup-files (for synchronous time-stepping)
201      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
202      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
203        and name in pickup file).
204      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
205    o model/src:
206      - move (from ini_forcing.F) initialisation of all arrays in header file
207        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
208        (since Nov 2012) with option selectAddFluid=1.
209    o pkg/shelfice:
210      - change units (+ document) of newly added field "shelfIceMassDynTendency"
211      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
212    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
213    o pkg/seaice: two new runtime parameters:
214      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
215        long overdue
216      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
217        parameterization of tensil stress for fast ice (does not do anything yet)
218    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
219        for LSR: move checking overlaps out of JFNK-if-block
220    o pkg/atm_phys:
221      - move copy of grid and dynamical fields out of atm_phys_driver.F into
222        new S/R ATM_PHYS_DYN2PHYS.
223      - fix level height for Linear Free-Surf case (to be consistent with
224        fixed-in-time pressure levels).
225    o pkg/mom_common (bottomdrag):
226      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
227        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
228        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
229    o pkg/shelfice (u/v_drag):
230      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
231      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
232        (now similar to shelfice_u_drag.F)
233      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
234        from mom_vecinv.F (similar to mom_fluxform calls).
235    o pkg/mom_common (bottomdrag):
236      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
237      - add options for alternative discretisation of velocity norm in quadratic
238        bottom drag: averaging of grid-cell-center KE to U.point and V.point
239        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
240        improves when averaging only the other component (e.g. vVel for U bottom
241        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
242      - add options (bottomVisc_pCell) to account for partial-cell in bottom
243        friction (no-slip BC) thus getting the true distance from the bottom;
244        off by default since this also reduces model stability (explicit bottom
245        friction). Changes produce different machine truncation with linear-drag
246        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
247        front_relax (bvp & mxl, 10 & 11 digits).
248    o model/src & mom pkgs:
249      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
250        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
251      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
252        just copy level Nr value to level Nr+1.
253    o doc:
254      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
255    o pkg/streamice:
256      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
257        SHELFICE.h: move array shelficemass to init_varia, initialise
258        from array shelficemassinit, which is set in init_fixed and
259        has option to be set from file; introduce array
260        shelficeMassDynTend array, set thru file in init_fixed
261      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
262        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
263        pkg/streamice
264      - shelfice_thermodynamics.F: call shelfice_step_icemass if
265        SHELFICEMassStepping = .true.
266      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
267    
268    checkpoint65h (2014/12/17)
269    o verification/global_ocean.90x40x15, global_ocean_ebm:
270      - update to generic controls.
271    o pkg/ctrl:
272      - ctrl_map_ini_genarr.F: test for igen>0
273      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
274      - move gentim2d part of ctrl_map_ini_genarr.F to
275        new separate routine : ctrl_map_ini_gentim2d.F
276      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
277        add time variable weights and cyclic controls (time mean,
278        seasonal cycle, etc) capabilities to gentim2d
279    o pkg/ecco:
280      - move reading of error, conversion to weights from
281        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
282    o global_oce_llc90, cs32:
283      - activte sbo.
284      - CTRL_SIZE.h : add maxCtrlProc.
285      - activate the new genctrl capabilities.
286      - update following reorganization of global_oce_input_fields.tar.gz  
287    o pkg/ctrl/ctrl_ad_diff.list:
288      - add missing ctrl_init_rec.f
289    o tools/OAD_support/keepOriginal:
290      - add ctrl_init_rec.F
291    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
292      - avoid recomputations of xx_gentim2d_dummy.
293    o momentum diagnostics:
294      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
295        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
296    o pkg/seaice/seaice_lsr.F:
297      - fix computation of BU/BV, make sure they are non-zero, only necessary
298        for cubed sphere exchanges and SEAICE_OLx/y>0.
299        This makes calling s/r fill_cs_corner_rl obsolete (removed).
300    o verification/global_ocean.cs32x15/input.seaice
301      - add test for strong implicit coupling and restricted addtive Schwarz
302        methods for LSR
303      - update results/output.seaice.txt
304    o verification/tutorial_global_oce_biogeo:
305      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
306        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
307        update output_adm,_oadm,_tlm.txt
308    o pkg/dic:
309      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
310      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
311        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
312    o verification/tutorial_global_oce_biogeo:
313      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
314        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
315        update output_adm,_oadm,_tlm.txt
316    o eesupp/src:
317      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
318        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
319    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
320      LSR (following Hutchings et al. 2004)
321      - introduce zetaZ as a global variable (requires adjustments in
322        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
323        in seaice_calc_viscosities.F
324      - new flag SEAICEuseStrImpCpl (default off)
325      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
326        momentum equations
327      - JFNK-solver (preconditioner) adjusted to allow using this method
328        (where it does not have any positive effect)
329    o pkg/seaice
330      - add overlap for restrictive additive Schwartz method also to LSR, but
331        turn it off by default (because it only seems to work for non-cubed
332        sphere/llc topologies)
333  o pkg/autodiff  o pkg/autodiff
334    - add extra exchanges in addummy_in_steppging also for mnc output    - add extra exchanges in addummy_in_steppging also for mnc output
335  o pkg/seaice:  o pkg/seaice:

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