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revision 1.21 by adcroft, Tue May 18 18:31:31 1999 UTC revision 1.42 by heimbach, Fri Jul 13 20:20:12 2001 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    checkpoint40pre3
6    o created calc_gtr1.F for gad package
7    o split the_main_loop and re-introduced forward_step
8    o some recomputations of nIter0 for TAMC
9    
10    checkpoint40pre2
11    o Updated to latest branch of AJA, JMC
12    o Added gradient check package
13    o Added routines for passive tracer handling
14    o Added carbon sequestration sensitivity experiment
15    
16    checkpoint39
17     o Modifications and fixes to support TAMC
18       (mainly missing or wrong directives)
19     o Corrected common blocks when fooling TAMC to produce adjoint I/O
20       in addummy_in_stepping
21     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
22     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
23     o Included following packages:
24       cal: calendar
25       exf: external forcing
26       ecco: essential routines to control use of cal, exf
27             (NB: this is not the full ECCO environment)
28     o disabled some packages by default in genmake
29    
30    checkpoint38
31     o see notes_c37_adj.txt
32     o corrected wrong layer index in external_forcing_t
33     o replaced the_main_loop/forward_step by the_main_loop
34     o removed forceoutput from write_state
35       (replaced criteria for initial/final state)
36     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
37    
38    checkpoint37
39     o mdsio.F routine split and packaged in pkg/mdsio
40       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
41        used unless genmake -disable=mdsio)
42     o allow a more precise surface-geopotential gradient for the atmosphere
43       taking into account the change in space of Alpha (=1/rho) at the surface.
44     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
45       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
46     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
47       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
48       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
49     o Time-Average diagnostics defined as a pseudo package "timeave".
50     o pickup files : old pickup (before c35) did not work with new code (c35
51       and after) unless activating 2 commented lines in initialise-varia.
52     o Non-Hydrostatic pickup file Pb fixed.
53     o bug with Rigid-lid version (since c35) fixed.  
54    
55    checkpoint36
56     o implement Crank-Nickelson barotropic time-stepping
57     o recover Time-Average diagnostics
58     o fix Pb in checkpoint (PR#19)
59     o AIM become a standard package ; clean unused CPP_kees
60    
61    checkpoint35
62     o subtantial rewrite of dynamics.f
63     o allows staggered time-stepping
64     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
65     o added bottom drag (linear + quadratic)
66    
67    checkpoint34
68     o Modified exchange routines for correct reverse simulation.
69     o Added verification output to comply with bug fix in impldiff.F
70       as of c33 (exp2, natl_box).
71     o Corrected store directives in dynamics.F
72     o Corrected array boundaries in impldiff.F
73     o Corrected array dimensions in gmredi.
74       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
75     o Added routine GLOBAL_SUM_INT to global_sum.F
76     o Added mdsio_gl.F for ECCO purposes.
77    
78    checkpoint33
79     o Fixed bug in lower BC in impldiff.F
80     o Fixed confusion about units of forcing arrays in FFIELDS.h
81       namely Fu,Fv,Qnet,Qsw,EmPmR:
82       - Removed verification/natl_box/code/external_fields_scale.F
83         (did not differ from that in model/src)
84       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
85         (see FFIELDS.h for description)
86       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
87         kpp_calc.F and kpp_transport_t.F
88       - Removed model/src/external_fields_scale.F and calls to it
89       - verification/natl_box uses flux data with "atmospheric" sign so
90         a special version of external_fields_load.F is used to
91         change the data as it's read in. This way, the arrays
92         have the right units and signs at all times tha a user could
93         possibly use them.
94     o Corrected genmake to delete a temporary file during configuration
95    
96    checkpoint32
97     o Scaling of forcing fields moved from external_forcing.F to
98       external_fields_scale.F, called directly after loading fields.
99     o Surface relaxation terms added to surface tendency fields in
100       extra subroutine.
101     o impldiff.F changed to avoid storing by TAMC of huge intermediate
102       fields.
103     o Changes in GMRedi to comply with packaging structure.
104     o Modifications and bug fixes in KPP package.
105     o Verification experiment for KPP added (verification/nat_box/)
106    
107    checkpoint31
108     o Packages interface brought in line with defined standard
109       -> new routines packages_...F
110       -> changes in initialise_fixed.F, initialise_varia.F
111       -> enables initialisation interface for ECCO package
112     o Rescaling of external forcing fields immediately after read
113       (removed from external_forcing.F)
114       -> new: surface_fields_scale.F
115       -> affects ini_foorcing.F, external_fields_load.F
116     o Computation of surface tendencies before tendency updates.
117       -> new: external_forcing_surf.F
118     o Change of variable names useGMRedi, useKPP, useECCO
119     o Further changes in dynamics.F, impldiff.F for TAMC
120     o Tested for experiments 0, 2, 4.
121       - not yet tested for GMRedi.
122       - not yet tested for KPP.
123    
124    checkpoint30
125     o Updates for OBCs
126     o New experiment for test OBCs (internal_wave)
127     o New output.txt in verification/exp4/results/
128     o Updates for KPP: calculation of viscosity corrected, new variables
129       kpp_dumpFreq and kpp_taveFreq
130     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
131       and entry for T90 in genmake
132    
133    checkpoint29
134     o packaged KPP and GM/Redi
135    
136    checkpoint28
137     o Corrected initialization of hFacMin for difference vertical coordinates
138     o Modified calculation of partial cell thickness to more robust algorithm
139     o config_summary.F: replaced write_1D_... by write_0D_...
140       read_write.F: added subroutines write_0D_...
141     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
142       included some initialisations required for TAMC.
143     o routine calc_isoslopes: modified sqrt computation to make it
144       differentiable for zero argument.
145     o routines dynamics, impldiff:
146       included store directives and tape key computations required for TAMC.
147     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
148    
149    checkpoint27
150     o fixed calc_isoslopes() to so that cancellation of terms in tensor
151       formulation works properly with variable resolution.
152     o restructured the calling tree between the_model_main() and dynamics()
153     o split initialise() into initialise_fixed() and initialise_varia()
154     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
155       in new routine ini_psurf()
156    
157    checkpoint26
158     o moved some #ifdef in optional routines to encompass everything
159       except the argument declarations. This was using up some memory.
160     o fixed macros like _ADT to work with both versions of Linux cpp
161     o cleaned up some unused and uninitialized variables
162       (helps when debugging with strict compile options)
163     o split up CPP_EEOPTIONS.h into options and macros
164       (macros are now in eesupp/inc/CPP_EEMACROS.h)
165     o patch for 2 processor JAM mode
166    
167    checkpoint25
168     o updates for OBCs and NH
169     o dramatically reduced memory usage
170     o added "JAM" routines for use on Artic network
171     o parameterization of convection by implicit vertical diffusion
172     o added a diagnostic of convective index
173     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
174       (this is was partly for OBCs and NH but also in anticipation of
175        an explicit free-surface option)
176     o initial state input files for U and V
177    
178    checkpoint24
179     o Removed some spurious "REAL"s
180     o Updated KPP to latest version from JPL
181     o Added a COS(latitude) in horizontal viscosity
182    
183    checkpoint23
184     o Added del^4 diffusion for salt and temperature
185     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
186    
187  checkpoint22  checkpoint22
188   o Made many small changes: implicit none, format(i5), etc...   o Made many small changes: implicit none, format(i5), etc...

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