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revision 1.1836 by jmc, Mon Mar 4 19:08:25 2013 UTC revision 1.1891 by jmc, Thu Jul 4 13:44:56 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint64j (2013/07/04)
8    o pkg/offline:
9      - to enable the use of other features with pkg offline (e.g., obcs),
10        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
11      - comment out "allowFreezing" (now active) in 2 offline testing exp.
12    o pkg/exf ALLOW_RUNOFTEMP
13      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
14      - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
15      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
16    o pkg/atm_phys:
17      - allows to add some damping on uVel,vVel (strength only function of k).
18    o verification, ad-tests:
19      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
20        global_ocean_ebm and offline_exf_seaice.thsice.
21    o verification/halfpipe_streamice:
22      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
23        flux input boundary conditions to be ignored; a fix for this bug changed
24        verification results for forward test.
25      - add adjoint test.
26    o pkg/ptracers:
27      - allow to restart without SOM pickup (resetting SOM to zero).
28    o pkg/gmredi:
29      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
30      - It uses mixing length theory and suppression by steering level effects to
31        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
32        to JPO, for more details).
33      - It also uses the diffusivity to calculate an eddy induced streamfunction
34        based on a PV closure (rather than a buoyancy closure as in GM).
35      - New files added to pkg/gmredi:
36        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
37          induced overturning streamfunction (called from gmredi_calc_tensor)
38        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
39          for use in gmredi_k3d
40        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
41          the eddy diffusivity
42    
43    checkpoint64i (2013/06/18)
44    o pkg/cheapaml:
45      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
46        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
47        with pkg/cheapaml.
48    o utils/python: add subpackage for cubed sphere function, first example is
49        simple cs.pcol to plot 2D fields on a map
50    o pkg/streamice:
51      - This is a new package in MITgcm, which solves dynamic equations for ice
52         sheets and ice streams
53      - At the moment it is independent of atmosphere/ocean dynamics, or any
54        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
55        ed that this will change)
56      - There is a new verification exercise that tests it, halfpipe_streamice,
57        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
58        rectangular embayment
59      - halfpipe_streamice is forward-only for now, will have TAF test soon
60      - for questions, email dgoldber@mit.edu
61    o pkg/thsice:
62      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
63        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
64      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
65         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
66      - allow precip from pkg/cheapaml to make snow over seaice.
67    o pkg/cfc:
68      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
69      - remove atmos CFC 2-D arrays from common bloc (now local variables)
70      - change some hard-coded constant to run time parameter for reading and
71        and interpolating atmospheric CFC ; keep same default as previously.
72      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
73      - put arguments in standard order: myTime, myIter, myThid
74      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
75        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
76      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
77      - new routine to print summary of CFC params and check for consistency.
78    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
79      similar to thsice_advdiff.
80      Note that for the B-grid case the routine parameters uc/vc are overwritten.
81    o pkg/cfc:
82      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
83        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
84      - fix interpolation of atmphspheric CFC between Sorthern and Northern
85        hemisphere value.
86    o pkg/seaice:
87      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
88    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
89                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
90      - requires an additional time level that is stored in the pickup
91      - you can start with AB2 from a pickup without this time level with
92        pickupStrictlyMatch = .false.
93    
94    checkpoint64h (2013/05/26)
95    o pkg/cheapaml:
96      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
97        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
98      - consistent treatment of uWind,vWind location: assume everywhere in
99        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
100        (Note: was already the case for Tair,Qair advection);
101        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
102      - compute diabatic forcing only in the interior (excluding overlap regions)
103      - fill in array "Qsw" (for short-wave heating);
104      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
105        before any update (consistent with MITgcm state var diagnostics);
106      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
107        non periodic ; + adjusted for uWind,vWind (C-grid).
108    o pkg/seaice:
109      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
110        add explicitly pkg/exf in experiments that currently use pkg/seaice.
111      - allows to compile pkg/seaice without pkg/exf.
112    o tools/OAD_support:
113      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
114        of array "ourStepOf" in function rvNextAction (revolve.F90).
115    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
116      - change pkg name (to be used with other atmospheric physics pkg)
117        but by-pass CVS when making the new pkg so that we keep the CVS history.
118    o pkg/offline:
119      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
120        (previously called from pkg/dic_surfforcing_init.F)
121    o model/src:
122      - re-order sequence of calls within packages_init_variables.F, using
123        standard order, except for:
124         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
125         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
126    o new pkg: atm_phys
127      - add entry point and source code (previously in contrib
128          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
129        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
130      - re-order sequence of calls within packages_readparms.F,
131         packages_init_fixed.F and packages_write_pickup.F
132        (but skip packages_init_variables.F because of TAF issues).
133      - update contrib/*/atm_gray/ experiment.
134    o pkg/seaice (ITD code):
135      - simplify and fix the writing of pickup-files for ITD case
136    o pkg/seaice (ITD code):
137      - introduce floe size dependent lateral melt for ITD case;
138      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
139      - update seaice_itd experiment main output.
140    o pkg/thsice:
141      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
142        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
143        changed accordingly pkg/atm2d.
144    
145    checkpoint64g (2013/05/01)
146    o pkg/exf ALLOW_RUNOFTEMP
147      - if defined,  river and glacier runoff temperature can be read-in from
148        runoftempfile; runoftempfile needs to have same format as runofffile
149    o pkg/thsice (& pkg/bulk_force):
150      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
151        for energy content of Precip + RunOff & Evap (like with pkg/exf).
152      - change computation domain to always be the interior (without overlap).
153      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
154    o verification/tutorial_global_oce_biogeo:
155      - add preliminary OpenAD setup (still has problems)
156    o pkg/seaice:
157      - turn some parameters for choosing the convergence criterion of
158        the inexact Newton method (JFNK) into runtime parameters for convenience
159      - clean up seaice_calc_viscosities.F: remove/retire two options for
160        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
161        the results of lab_sea/input because a division has been replaced by
162        a multiplication with the reciprocal (sumNorm)
163      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
164        convergence of solver (changes results, of course), and to test some
165        new features
166    o model/src:
167      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
168      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
169      - move forcing adjustment (balancing surface forcing) in specific S/R
170        where might also be applied exchanges (if needed) to forcing arrays.
171    o pkg/shelfice:
172      - allow to specify the Ice-Shelf mass per unit area (instead of
173        shelficeLoadAnomaly) and do the conversion from one to the other
174      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
175        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
176        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
177        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
178      - update isomip experiment forward output (get machine truncation error
179        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
180    o verification/offline_exf_seaice:
181      revise data.seaice in input.thermo and input_ad and update results accordingly
182        HO = 0.2, SEAICE_areaLossFormula = 2,
183        SEAICE_growMeltByConv = .TRUE.,
184        SEAICE_doOpenWaterMelt = .TRUE.,
185      Improve consistency with input.thsice and fix the spurious 500m ice corners
186    o verification/global_ocean.cs32x15:
187      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
188        in icedyn (thsice+seaice-dyn) test and update output.
189    o verification/offline_exf_seaice:
190      - adjust list of tested variables (with testreport) and update
191        standard test output with better slection of monitored fields.
192    o pkg/cd_code:
193      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
194        experiment lab_sea.hb87
195    o tools/genmake2:
196      - change default makedepend from the system default to tools/xmakedepend:
197        When no makedepend is specified, select tools/xmakedepend it the test pass,
198        otherwise select the system default (if exist and pass the test) or
199        try to build cyrus-makedepend ; stop if none of the 3 works.
200    o pkg/exf & pkg/thsice:
201      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
202        for energy content of Precip + RunOff & Evap. Assumes:
203       1) Rain has same temp as Air.
204       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
205       3) Run-Off comes at the temp of surface water (with same Cp)
206       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
207        put directly into Latent Heat flux & should use water-vapor heat capacity.
208       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
209        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
210    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
211        (compile when SEAICE_ALLOW_JFNK is defined)
212    o pkg/thsice:
213      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
214        implementation): move THSICE_AVE call after the advection (called directly
215        from thsice_do_advect.F).
216    o verification/global_ocean.90x40x15 and OpenAD:
217      New experiment for OpenAD is identical to the one in input_ad except that
218        multiDimAdvection=.FALSE.,
219      There is still an issue with this.
220    o pkg/thsice:
221      - account for ice velocity (ocean relative velocity) in turbulent heat flux
222        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
223        and offline_exf_seaice (main test).
224    
225    checkpoint64f (2013/03/31)
226    o verification/OpenAD:
227      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
228    o verification/isomip, pkg/shelfice and OpenAD:
229      - add OpenAD setup to this exp and make shelfice package work with OpenAD
230    o verification/tutorial_global_oce_biogeo:
231      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
232    o verification/offline_exf_seaice:
233      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
234    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
235      - add OpenAD setup to this exp and make ptracers package work with OpenAD
236    o pkg/seaice/seaice_evp.F:
237       mask the asymmetric contribution of the ice-ocean stress (when
238       the turningAngle is non-zero) over open water to avoid stripes
239       in the EVP-solutions after many EVP-substeps. This does not change
240       the verification experiment (because turningAngle=0 in that experiment),
241       but will affect other EVP solutions with turningAngle.ne.0
242    o verification, AD & TLM output:
243      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
244        additions and multiplications which affect results at machine truncation
245        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
246        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
247        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
248        digits of matching.
249    o pkg/seaice:
250       modify lsr-algorithm so that it vectorizes AND converges by using a
251       "zebra" method: split vector loop into two with step size 2; this
252       solves a general convergence problem for the JFNK solver on a vector
253       computer. It has the potential to even improve convergence for
254       non-vector machines, but it does change the results so it is turned
255       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
256       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
257    
258    checkpoint64e (2013/03/05)
259    o pkg/ecco and several verification experiments:
260       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
261       from ecco package, and revert to unified routine in model/src/
262       Adjust verification experiments accordingly, especially gloal_oce_llc90
263       Should conclude long-standing work by Gael to reconsile the_main_loop with
264       ECCO and will enable OpenAD's revolve loop in ECCO setup.
265  o pkg/generic_advdiff:  o pkg/generic_advdiff:
266    - implement compressible flow method for multi-dim advection (similar to    - implement compressible flow method for multi-dim advection (similar to
267      gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since      gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
# Line 30  o pkg/seaice: reorganize seaice_lsr.F to Line 288  o pkg/seaice: reorganize seaice_lsr.F to
288    - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS    - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
289    - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner    - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
290  o OpenAD support  o OpenAD support
291    Reorganize S/R call for overall time-stepping loop to facilitate     Reorganize S/R call for overall time-stepping loop to facilitate
292    OpenAD revolve loop replacement     OpenAD revolve loop replacement
293    (new S/R main_do_loop.F)     (new S/R main_do_loop.F)
294  o model/src:  o model/src:
295    - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;    - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
296    - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R    - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R

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