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revision 1.2200 by mlosch, Tue Nov 17 14:37:12 2015 UTC revision 1.2263 by jahn, Tue Aug 23 18:30:43 2016 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/ptracers: add Bruno Deremble's code to complete the linear surface
8      correction for tracer conservation
9      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
10    
11    checkpoint65y (2016/07/29)
12    o pkg/debug (stats):
13      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
14        proc/thread mapping);
15      - fix Min & Max for case where 1 thread has only empty tiles;
16      - use RL variable to count number of wet grid points (with big domain,
17        can be too large to fit into integer*4).
18    o pkg/monitor:
19      - use RL variable to count number of wet grid points (but used only for del2)
20      - add new routine to compute Advective CFL within tracer time-stepping with
21        writing delayed until next monitor output.
22    o pkg/obcs:
23      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
24    o pkg/dic & seaice:
25      - fix compilation of ocean component for coupled atm+ocn model with
26        seaice dynamics & dic.
27    
28    checkpoint65x (2016/06/11)
29    o add a license text file in main MITgcm tree.
30    o added pkg/bling:
31      - intermediate complexity biogeochemical model
32      - see bling_description.txt for details
33      - verification experiment is global_oce_biogeo_bling (for now, in
34        Contrib/verification_other/); tested daily on baudelaire with gfortran.
35      - add entry point in pkg/gchem for new pkg "bling".
36    o pkg/seaice: fix tensile stength computation
37      - replace global field tensileStrength by tensileStrFac
38      - tensileStrFac can be computed once in S/R seaice_init_varia
39      - fortunately that does not affect any verification results
40    
41    checkpoint65w (2016/05/12)
42    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
43         with ECCO_CTRL_DEPRECATED defined
44    o verification/global_ocean.cs32x15:
45      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
46        with "selectNHfreeSurf=1".
47    o model/src (non-hydrostatic free-surface):
48      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
49        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
50      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
51        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
52        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
53        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
54      - Update output (changes at machine truncation level) of verification exp:
55        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
56        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
57    o pkg/seaice: ITD code
58      - fix picking up from a single category model by initialising
59        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
60      - split a long warning message in seaice_check_pickup.F into two lines,
61        because NEC SX-ACE cannot deal with the long line.
62    o model/src:
63      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
64    o pkg/seaice:
65      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
66    o pkg/seaice:
67      - add basal stress as parameterisation for grounding ice
68        following Lemieux et al. (2015)
69      - turn on by setting new parameter SEAICEbasalDragK2 to a value
70        larger than 0. Lemieux et al. (2015) recommend 15.
71      - The adjoint complains with extra recomputations so there is also a
72        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
73        order to postpone the problem
74      - compile the new code in lab_sea
75    o verification/halfpipe_streamice:
76      - update both TAF and OpenAD adm output (machine truncation differences)
77    
78    checkpoint65v (2016/04/08)
79    o verification/advect_xz:
80      - increase overlap size from 3 to 4 and add new secondary test for PQM
81        advection scheme (with mono & wino limiter).
82      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
83    o model/src:
84      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
85        added phi0Ref) to set vertical axis origin and phiRef origin;
86        keep Ro_SeaLevel for backward compatibility (with a warning).
87       According to coordinate and fluid type:
88        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
89        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
90        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
91        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
92      - remove Ro_SeaLevel from ATM experiment parameter files;
93      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
94        complement; update output.txt (changes at machine truncation level).
95  o pkg/seaice/seaice_evp.F  o pkg/seaice/seaice_evp.F
96      - simplify computation of deltaZ and zetaZ to simple averaging following
97        Bouillon et al. (2013). This removes a lot of code, but also changes
98        verification experiment lab_sea.hb87 -> updated
99    
100    checkpoint65u (2016/03/14)
101    o pkg/generic_advdiff:
102      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
103        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
104        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
105        testing and not for actual use.
106    o model/src:
107      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
108        origin r = rF(1);
109      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
110        in EOS for height coordinate: enable to include NH Pressure or to use
111        more accurate pressure vertical profile; options not linked to EOS type
112        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
113      - start to implement variable gravity (along vertical): for now, only with
114        z-coords (not even z*).
115      - add Ideal Gas equation of state for height coordinate.
116      - update OpenAD output (affected at machine truncation level) of exp:
117        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
118    o pkg/exf:
119      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
120        of exf interpolation (before any rescaling, rotation or interpolation
121        to velocity point) for each field that gets loaded from file. This option
122        identically mimics the input file organization (e.g. record numbers in year
123        by year input files) besides the change in horizontal grid.
124      - add rotateStressOnAgrid run-time switch so that wind stress fields
125        can be provided on the A-grid in zonal/meridional direction and
126        rotated on the fly. This only applies to the case when the exf
127        interpolation is off and rotateStressOnAgrid is false by default.
128    o model/src:
129      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
130        it's also used with pkg/atm_phys) and add few more parameters (but still
131        inactive, src code yet to come)
132    
133    checkpoint65t (2016/02/10)
134    o pkg/atm_phys:
135      - from Ruth Geen: add optical depth dependence on CO2 concentration.
136    o model/src:
137      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
138        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
139        Update output of exp. deep_anelastic (changes at truncation level).
140    o tools:
141      - add a hack in "remove_comments_sed" (used only with TAF) for recent
142        version of OpenMPI (shipped with FC.23): comment out the new header
143        file "mpif-sizeof.h" which causes problems to TAF.
144    o pkg/seaice:
145      - change the termination criterion so that maxits (SEAICElinearIterMax)
146        has an effect
147      - unify iteration parameters for implicit solvers (JFNK and Picard)
148        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
149        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
150        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
151        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
152        SEAICEnonLinTol     replaces JFNKgamma_nonlin
153      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
154      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
155        use with SEAICEuseKrylov
156    o pkg/seaice/seaice_lsr.F
157        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
158        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
159        an effect.
160    o pkg/seaice: add two new parameters
161      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
162        parameter is not in any namelist)
163      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
164        a preconditioner for the non-linear Newton iteration of the JFNK
165        solver
166    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
167      affects some experiments at truncation level:
168      - global_ocean.cs32x15.icedyn (11 digits),
169      - global_ocean.cs32x15.seaice (11 digits),
170      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
171      - also update global_ocean.cs32x15 adjoint and tangent-linear results
172    o pkg/salt_plume & pkg/thsice:
173      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
174        connect salt_plume flux to ATM-OCN coupling pkgs interface:
175       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
176         export to coupler interface) even without compiling pkg/salt_plume ;
177       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
178         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
179    o pkg/dic:
180      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
181        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
182        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
183      - move also update with values from ATM-OCN Coupler in the same new S/R
184        (previously done in ocn_apply_import.F).
185    o tools/adjoint_options:
186      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
187        has been changed on Jan 14, 2016.
188    o pkg/ggl90:
189      - add alternative discretisation of vertical shear (off by default), to
190        compute the mean (@ grid-cell center) of vertical shear compon instead of
191        vertical shear of mean flow (@ grid-cell center).
192      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
193        results on adjacent faces of cubed-sphere grids; this fix the restart.
194    o pkg/atm_compon_interf:
195      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
196        pass last value, stored directly before export to CPL ;
197        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
198      - remove atmSLPr from pickup files (no longer needed for restart)
199    
200    checkpoint65s (2016/01/13)
201    o eesupp & genmake2:
202       - first check for Function ETIME and, if it fails, then check for subroutine
203         ETIME and consistent output; use the appropriate version in timers.F
204    o model/src:
205      - to check restart test, add option to apply EXCH to U,V earlier, just before
206        integr_continuity; turned off by default.
207    o pkg/dic:
208      - remove CPP option USE_ATMOSCO2 (not needed)
209    o tools/tst_2+2:
210      - try to ignore difference between +0 and -0 in binary file, causing test
211        to fail for no good reason.
212    o eesupp & genmake2:
213      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
214        but also check (in genmake2) that test runs and returns meaningful results.
215    o coupler pkgs:
216      Finish implementation of optionally-exchanged variable switches (started on
217       Nov 12) with addition of few more exchanged fields, including 2-way exchange
218       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
219       advection in OCN component; this requires sequential coupling.
220      coupler (pkg/atm_ocn_coupler):
221      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
222        routines (useful for debug).
223      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
224         flux, DIC fields) if corresponding switch is ON.
225      - add option to export RunOff to OCN (to use for DIC river input)
226      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
227      components (pkg/atm_ & ocn_compon_interf):
228      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
229        optionally exchanged fields; add a check & stop in cpl_readparms.F.
230        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
231        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
232      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
233        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
234      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
235      - hold in common block coupler optionally-exchanged variable switch
236        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
237      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
238        this is intended to replace the OCN cplFldtave.* output files (not updated
239        to contain new additional exchanged fields).
240    o pkg/dic:
241      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
242    o pkg/thsice:
243      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
244        and writing of thsice pickup files.
245    o pkg/atm_compon_interf:
246      - move all field individual export-call out of cpl_export_import_data.F
247        into new S/R ATM_EXPORT_FIELDS
248    o pkg/atm_compon_interf:
249      - store state variables (for now, only thSIce fields) just before beeing
250        exported (in cpl_export_import_data.F, like on ocean side) instead of from
251        atm_store_my_data.F like all exported fluxes.
252      - new version of pickup_cpl: write field names into meta file and read meta
253        file to find field postion in pickup. Also only write/read fields meeded for
254        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
255    o pkg/dic:
256      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
257    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
258        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
259        value can be from domain [0,1] to average between the two methods
260    o pkg/atm_phys:
261      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
262        hold fixed in time).
263    
264    checkpoint65r (2015/12/21)
265    o pkg/seaice:
266        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
267        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
268    o pkg/seaice:
269      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
270        when SEAICEscaleSurfStress=.TRUE.,
271      - apply areaW and areaS in S/R seaice_calc_lhs
272    o pkg/atm_phys:
273      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
274        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
275        for individual contribution (convection, LSC cond, radiation)
276      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
277        information); activated with: solar_exponent=0. and wv_exponent=-1.
278    o pkg/ggl90:
279      - within IDEMIX add upper limit for horizontal group velocity to
280        avoid instability problems in the explicit horizontal diffusion term for
281        long time steps or high resolution
282    o pkg/diagnostics:
283      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
284        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
285    o testreport:
286      - remove "-v" (verbose option) in default mpirun command.
287    o pkg/seaice/seaice_growth:
288      - catch potential division by zero in ITD code, does not change
289        verification results
290    o pkg/ecco:
291      - retire old codes to the Attic. The calls to retired functions are
292        left in a commented form in case they ever need to be re-activated.
293      - ecco_check.F: issue warning if any old CPP option is
294        defined that corresponds to retired codes -- then stop.
295    o pkg/atm_compon_interf:
296      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
297        coupler: use last time-step value instead of average over cplSendFrq_iter
298        time-step, similar to what is done for seaIceMass.
299        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
300    o eesupp & genmake2:
301      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
302        <= remove until a fix is found for some ifort version on ia32 machine.
303    o pkg/seaice/seaice_evp:
304      - refine residual computation
305    
306    checkpoint65q (2015/11/18)
307    o pkg/seaice/seaice_evp:
308    - fix residual computations so that they no longer affect the actual    - fix residual computations so that they no longer affect the actual
309      simulation code      simulation code
310      - fix seaice_readparams to be able to actually set new parameters
311        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
312  o model/src:  o model/src:
313    - fix wrong truncation (single prec) from "FLOAT" function in expressions    - fix wrong truncation (single prec) from "FLOAT" function in expressions
314      like: deltaT*FLOAT(myIter) when myIter is large:      like: deltaT*FLOAT(myIter) when myIter is large:
# Line 494  o model/src & mom pkgs: Line 796  o model/src & mom pkgs:
796      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
797  o doc:  o doc:
798    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
799  o pkg/streamice:  o pkg/shelfice:
800    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
801      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
802      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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