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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.592 by mlosch, Wed Dec 14 16:47:12 2005 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o fix the pickup behavior for obcs in combination with ptracers
8  o moved ptracer ctrl index 17 -> 32  o fix a bug in ptracers_external_fields_load
9    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
10      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
11    o transfered surface NH pressure to eta field (if exactConserv).
12    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
13         and update lab_sea output.txt file.
14    o completing 3-dim. relaxation code: additional term
15         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
16      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
17      * At compile time, in "EXF_OPTIONS.h" set
18          #define  ALLOW_CLIMTEMP_RELAXATION
19          #define  ALLOW_CLIMSALT_RELAXATION
20      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
21          tauThetaClimRelax3Dim = 15552000.0,
22          tauSaltClimRelax3Dim  = 15552000.0,
23      * 3 cases:
24          1) Use a constant-in-time 3-dim. field
25          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
26          3) Real-time relax. to time-evolving prescribed field
27    
28    checkpoint57y_post
29    First step for a NLFS adjoint
30    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
31    o new init. routines for calc_r_star, calc_surf_dr
32    o still need to deal with ini_masks_etc
33    o testreport seemed happy
34    checkpoint57y_pre
35    
36    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
37    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
38    o add new offset feature to offline pkg (plus minor cleanup)
39    o cfc fixes for final year of integration
40    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
41      be in GCHEM_OPTIONS).
42    
43    checkpoint57x_post
44    o fix testreport Pb in multiple test experiment.
45    o cleanup our namelist syntax in verification:
46      - make it more F95 standards compliant (some work still needed)
47      - allows the vast majority of our tests to work with gfortran
48    o Non-Hydrostatic:
49     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
50     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
51    o Allow to apply AB on T,S rather than on AB(gT,gS):
52     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
53     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
54       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
55     - need a "clever" read_pickup to restart from the other AB formulation
56    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
57    o remove some unused variables (reduces number of compiler warnings)
58    o adjoint
59      * Disable useVariableViscosity for adjoint for time being
60        (there are a number of extensive recomputations)
61      * Initialize certain variables needed for adjoint
62    
63    checkpoint57w_post
64    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
65                 fix the singleCpuIO RS version of MDSWRITEFIELD
66       and add a WARNING if using globalFiles=T with multi-processors.
67    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
68      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
69    o tracer advection scheme:
70      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
71       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
72       was not very convenient).
73      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
74       (further tests needed for the implicit DST & Flux-Limiter schemes).
75    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
76      and sRef for convenience, handy, when you want to initialize
77      ptracers in a large domain with a constant non-zero value. Also,
78      untangle ptracers_init.F a little.
79    
80    checkpoint57v_post
81    o change dome exp. to use variable viscosity in side-drag terms.
82    o remove all the files from the cfc_offline test since they are now
83      incorporated into tutorial_cfc_offline which has been producing
84      identical results for a few days of testing
85    o add new parameter: sideDragFactor to enable half-slip-side BC
86      and change side-drag S/R to use viscosity from mom_calc_visc
87      (can switch back by setting sideDragFactor=0.); affects results at
88      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
89       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
90    o vorticity & strain are now computed without masking, to account for
91      no-slip-side BC in variable viscosity calculation ; mask is applied
92      anyway later on, before computing advection/coriolis terms.
93    o modify exp4 to test new obcs support for reading from external files
94      and for passive tracers
95    o fix behavior of ptracers_monitor when monitor output is written to a
96      netcdf-file; still not independent of monitor.F (writes in the same
97      file).
98    o change default value of tRef (put a uniform, meaningful value for ocean
99      & atmos) and initialize sRef (was missing, as Martin mentioned).
100    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
101      to be proportional to enstrophy dissipation length.  Thus,
102       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
103      This is now consistent with Smagorinsky and with the manual.
104    
105    checkpoint57u_post
106    o OBCS and PTRACERS: add open boundary support for passive tracers
107      - either use homogenous (pseudo) v.Neumann conditions or prescribe
108        OB-values from file; this is not different from the way theta and salinity
109        are treated
110      - however, Orlanski-radiation conditions are not supported, and the model
111        will stop if you use pTracers and Orlanski at the same time.
112      - beefed up the rountine obcs_external_fields_load: now only those open
113        boundary values are overwritten with values from files for which there
114        are really files, otherwise the OB-fields remain untouched. This makes
115        it possible to use different OBs at different ends of the domain (as
116        with EXF)
117    o reduce number of exch calls in shap_filt (s2).
118    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
119      truncation level) 4/5 MLAdjust test results (11&12 digits match).
120    
121    checkpoint57t_post
122    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
123    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
124      same truncation, independent of the face number: affects affects several
125      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
126    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
127      note that biharmonic viscosity + no-slip was not tested in any experiment.
128    o fix bug in non-linear free-surf side-drag ; generate new output for
129      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
130    o make mnc honor the writeBinaryPrec flag for most kinds of output
131    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
132    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
133      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
134    o add brackets in multi-terms sum to get same truncation, independent of
135      the face number (manage to get exactly same value of gU,gV at the cs-edge)
136      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
137    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
138      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
139      a maximum grid-scale Reynolds number.  Also, changes all length calculations
140      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
141      Suggested values of viscosity parameters found in mom_calc_visc.
142      Many new viscosity diagnostics available.
143    
144    checkpoint57s_post
145    o Add clearing-house for viscosity calculations, mom_calc_visc and
146      correct numerous bugs in LeithD and Smagorinsky discretizations.  
147      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
148      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
149      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
150      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
151      The Strain-Tension form is now called with useStrainTensonVisc=.true.
152      ViscAhStrain and viscAhTension are now retired.
153    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
154    o In response to JMC's bug report, genmake2 now ignores any soft-links
155      that it finds in the *current* directory when searching for files.
156      Soft-links found in any other source directories will still work as
157      they did before.
158    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
159      a C routine to unlimit the stack size
160    o mnc-ify pkg/aim snapshot vars
161    o mnc-ify pkg/land as requested by Daniel
162    o various changes to mnc including:
163      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
164      - output can now be grouped so that all files within a group
165          change the ITER portion of their names in lock-step together
166      - can now read ("global") PER-FACE (in addition to PER-TILE) files
167          and works with both EXCH1 and EXCH2 (but needs more testing)
168      - writing works for all verification test cases w/ g77 on Linux
169    
170    checkpoint57r_post
171    o make MNC variable initialization happen earlier
172    o add diagnostics for (almost) each term of the momentum Eq.
173    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
174    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
175    o remove MINIMAL_TAVE_OUTPUT option ;
176      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
177    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
178      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
179    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
180    o add time-dependent SST, SSS control
181    o cost terms in ecco/ modularized (new cost_generic.F)
182    o cost_averages routines are modularized (new cost_averagesgeneric.F)
183    o new infrastructure for seaice model vs. obs misfits in seaice/
184      * driver from the_main_loop.F is seaice_cost_driver.F
185      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
186      * gradient check in Exp. 6a of natl_box_adjoint/
187    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
188      (see README file)
189    
190    checkpoint57q_post
191    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
192    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
193      - bug was reported by Jean-Michel and Ian Fenty
194    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
195      update exp. cpl_aim+ocn output.
196    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
197      Needed for high-res. runs with large global files
198      to be able to limit tapelev size
199    o Changed some tests for adjoint:
200      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
201      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
202      * global_ocean.90x40x15/ back to default 3-level checkpointing
203    o Modifications to enable scripted COMMON to MODULE conversion
204      * verification/OpenAD/code/ has necessary scripts and description;
205      * converts, compiles and runs successfully;
206    
207    checkpoint57p_post
208    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
209    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
210      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
211    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
212    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
213      (was already the case for dissipation with mom_vecinv,
214       and also the case for grad.PhiHyd when staggered-timeStep)
215      This will allow to put dissipation out-off the AB time-stepping.
216     Unfortunately, affects truncation error. Update output of exp. that "fails"
217      (cg2d matching number) and leave the others for later: front_relax(10),
218      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
219      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
220    
221    checkpoint57o_post
222    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
223      (2) its ready to be documented during the 20050801 DocFest
224    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
225      for ideal_2D_oce and lab_sea on linux_ia32_g77
226    o set to #undef CTRL_SET_OLD_MAXCVARS_30
227      in global1x1_tot/code_seaice_adj to access indices 32, 33
228      (worth another tag)
229    
230    checkpoint57n_post
231    o adding precip control xx_precip 32
232    o adding swflux control xx_swflux 33
233    o Replacing 10 forcing penalty cost routines by 1 generic.
234    o Implementing partitioning in time-mean and variable adjustment
235      for atmos. state.
236    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
237  o in natl_box_adjoint:  o in natl_box_adjoint:
238    * updated: results_bulk/    * updated exp 1 to 10
239    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
240    o updated global1x1/*_seaice_adj/
241      to incorporate latest changes
242    o enable useSingleCpuIO for mdsio vector routines
243      (applies in particular to tapelev I/O)
244    o removed inefficient K-loop in all active_file*control*.F
245    
246  checkpoint57m_post  checkpoint57m_post
247  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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