/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_diags/diags_grid_parms.m
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Revision 1.12 - (hide annotations) (download)
Tue May 10 21:55:43 2016 UTC (9 years, 2 months ago) by gforget
Branch: MAIN
Changes since 1.11: +14 -2 lines
- diags_driver.m: comment out cost_altimeter and issue print statement (to avoid
  overloading user's memory).
- diags_driver_tex.m: test whether cost_altimeter has generated output; remove
  call to cost_bp that remains a work in progress.
- diags_grid_parms.m: add dirModel to input argument list; search also for
  files in e.g. release2/nctiles_grid.
- diags_pre_process.m: pass dirModel as input to diags_grid_parms; also
  look for intput files in nctiles_remotesensing etc.

1 gforget 1.12 function []=diags_grid_parms(dirModel,listTimes,doInteractive);
2 gforget 1.8 %object : load grid, set params, and save both to dirMat
3     %input : listTimes is the time list obtained from diags_list_times
4     %(optional) doInteractive=1 allows users to specify parameters interactively
5     % doInteractive = 0 (default) uses ECCO v4 parameters
6     % and omits budgets and model-data misfits analyses
7 gforget 1.1
8     %global variables
9     gcmfaces_global;
10     global myparms;
11    
12     %load grid
13 gforget 1.12 if isempty(dir('GRID'))&isempty(dir('nctiles_grid'))&...
14     isempty(dir([dirModel filesep 'GRID']))&...
15     isempty(dir([dirModel filesep 'nctiles_grid']));
16 gforget 1.1 dirGrid=input('grid directory?\n');
17 gforget 1.10 elseif ~isempty(dir('GRID'));
18 gforget 1.11 dirGrid=['GRID' filesep];
19 gforget 1.10 nF=5;
20     frmt='compact';
21     memoryLimit=0;
22     elseif ~isempty(dir('nctiles_grid'));
23 gforget 1.11 dirGrid=['nctiles_grid' filesep];
24 gforget 1.10 nF=5;
25     frmt='nctiles';
26     memoryLimit=0;
27 gforget 1.12 elseif ~isempty(dir([dirModel filesep 'GRID']));
28     dirGrid=[dirModel filesep 'GRID' filesep];
29     nF=5;
30     frmt='compact';
31     memoryLimit=0;
32     elseif ~isempty(dir([dirModel filesep 'nctiles_grid']));
33     dirGrid=[dirModel filesep 'nctiles_grid' filesep];
34     nF=5;
35     frmt='nctiles';
36     memoryLimit=0;
37 gforget 1.1 end;
38 gforget 1.2
39 gforget 1.8 if doInteractive;
40     nF=input('number of faces? (1, 4, 5or 6)\n');
41     frmt=input('file format ? (''straight'', ''cube'' or ''compact'')\n');
42     memoryLimit=input('memoryLimit ? (0=load full grid, 1=load less, 2=load even less)\n');
43     end;
44 gforget 1.2
45     grid_load(dirGrid,nF,frmt,memoryLimit);
46 gforget 1.1
47     %set default for model run parameters
48 gforget 1.8 if doInteractive;
49     choiceParams=input(['choice of default parameters? (1=ecco v4, ' ...
50     '2=core, 3=ecco2 adjoint, 4=ecco v3, 5=core-Jeff)\n']);
51     else;
52     choiceParams=1;
53     end;
54 gforget 1.2 myparms=default_parms(choiceParams);
55 gforget 1.1
56     %allow user to change model params if necessary
57 gforget 1.8 myparms=review_parms(myparms,listTimes,doInteractive);
58 gforget 1.1
59 gforget 1.2 function [parms]=default_parms(choiceParams);
60 gforget 1.1 %set model parameters to default (ecco_v4)
61    
62 gforget 1.6 if choiceParams==1|choiceParams==2|choiceParams==4|choiceParams==5;
63 gforget 1.3 parms.yearFirst=1992; %first year covered by model integration
64 gforget 1.5 parms.yearLast =2011; %last year covered by model integration
65 gforget 1.1 parms.yearInAve=[parms.yearFirst parms.yearLast]; %period for time averages and variance computations
66 gforget 1.3 parms.timeStep =3600; %model time step for tracers
67 gforget 1.1 parms.iceModel =1;%0=use freezing point 1=use pkg/seaice 2=use pkg/thsice
68 gforget 1.3 parms.useRFWF =1;%1=real fresh water flux 0=virtual salt flux
69     parms.useNLFS =2;%2=rstar 1=nlfs 0=linear free surface
70     parms.rhoconst =1029; %sea water density
71 gforget 1.1 parms.rcp =3994*parms.rhoconst; % sea water rho X heat capacity
72     parms.rhoi = 910; %sea ice density
73     parms.rhosn = 330; %snow density
74     parms.flami = 3.34e05; % latent heat of fusion of ice/snow (J/kg)
75     parms.flamb = 2.50e06; % latent heat of evaporation (J/kg)
76 gforget 1.3 parms.SIsal0 =4;
77 gforget 1.2 if choiceParams==2;
78     parms.yearFirst=1948; %first year covered by model integration
79     parms.yearLast =2007; %last year covered by model integration
80 gforget 1.7 parms.yearInAve = [1948 2007];
81 gforget 1.2 end;
82 gforget 1.4 if choiceParams==4;
83     parms.useRFWF =0;%1=real fresh water flux 0=virtual salt flux
84     parms.useNLFS =0;%2=rstar 1=nlfs 0=linear free surface
85     end;
86 gforget 1.6 if choiceParams==5;
87     parms.yearFirst=2006; %first year covered by model integration
88     parms.yearLast =2305; %last year covered by model integration
89     parms.yearInAve = [2006 2305];
90     end;
91 gforget 1.2 end;
92    
93     if choiceParams==3;
94     parms.yearFirst=2004; %first year covered by model integration
95     parms.yearLast =2005; %last year covered by model integration
96     parms.yearInAve=[parms.yearFirst parms.yearLast]; %period for time averages and variance computations
97     parms.timeStep =1200; %model time step for tracers
98     parms.iceModel =1;%0=use freezing point 1=use pkg/seaice 2=use pkg/thsice
99     parms.useRFWF =0;%1=real fresh water flux 0=virtual salt flux
100     parms.useNLFS =0;%2=rstar 1=nlfs 0=linear free surface
101     parms.rhoconst =1027.5; %sea water density
102     parms.rcp =3994*parms.rhoconst; % sea water rho X heat capacity
103     parms.rhoi = 910; %sea ice density
104     parms.rhosn = 330; %snow density
105     parms.flami = 3.34e05; % latent heat of fusion of ice/snow (J/kg)
106     parms.flamb = 2.50e06; % latent heat of evaporation (J/kg)
107     parms.SIsal0 = 0;
108     end;
109 gforget 1.1
110 gforget 1.8 function [parms]=review_parms(parms,listTimes,doInteractive);
111 gforget 1.1 %review model parameters, correct them if needed, and check a couple more things
112    
113     test1=1;%so that we print params at least once
114     while test1;
115     fprintf('\n\n');
116     gcmfaces_msg('model parameters summary','==== ');
117    
118     tmp1=sprintf('parms.yearFirst = %i (first year covered by model integration)',parms.yearFirst); gcmfaces_msg(tmp1,'== ');
119     tmp1=sprintf('parms.yearLast = %i (first year covered by model integration)',parms.yearLast); gcmfaces_msg(tmp1,'== ');
120     tmp1=sprintf('parms.yearInAve = [%i %i] (time mean and variance years)',parms.yearInAve); gcmfaces_msg(tmp1,'== ');
121     tmp1=sprintf('parms.timeStep = %i (model time step for tracers)',parms.timeStep); gcmfaces_msg(tmp1,'== ');
122     tmp1=sprintf('parms.iceModel = %i (0=freezing point 1=pkg/seaice 2=pkg/thsice)',parms.iceModel); gcmfaces_msg(tmp1,'== ');
123     tmp1=sprintf('parms.useRFWF = %i (1=real fresh water flux 0=virtual salt flux)',parms.useRFWF); gcmfaces_msg(tmp1,'== ');
124     tmp1=sprintf('parms.useNLFS = %i; (2=rstar 1=nlfs 0=linear free surface)',parms.useNLFS); gcmfaces_msg(tmp1,'== ');
125     tmp1=sprintf('parms.rhoconst = %0.6g (sea water density)',parms.rhoconst); gcmfaces_msg(tmp1,'== ');
126     tmp1=sprintf('parms.rcp = %0.6g (sea water density X heat capacity)',parms.rcp); gcmfaces_msg(tmp1,'== ');
127     if parms.iceModel==1;
128     tmp1=sprintf('parms.rhoi = %0.6g (sea ice density)',parms.rhoi); gcmfaces_msg(tmp1,'== ');
129     tmp1=sprintf('parms.rhosn = %0.6g (snow density)',parms.rhosn); gcmfaces_msg(tmp1,'== ');
130     tmp1=sprintf('parms.flami = %0.6g (latent heat of fusion of ice/snow in J/kg)',parms.flami); gcmfaces_msg(tmp1,'== ');
131     tmp1=sprintf('parms.flamb = %0.6g (latent heat of evaporation in J/kg)',parms.flamb); gcmfaces_msg(tmp1,'== ');
132     tmp1=sprintf('parms.SIsal0 = %0.6g (sea ice constant salinity)',parms.SIsal0); gcmfaces_msg(tmp1,'== ');
133     %tmp1=sprintf('',); gcmfaces_msg(tmp1,'== ');
134     else;
135     error('only parms.iceModel=1 is currently treated\n');
136     end;
137    
138 gforget 1.8 if doInteractive;
139     gcmfaces_msg('to change a param type e.g. ''parms.yearFirst=1;'' or hit return if all params are ok. Change a param?','==== ');
140     tmp1=input('');
141     test1=~isempty(tmp1); %so that we change param and iterate process
142     if test1; eval(tmp1); end;
143     else;
144     test1=[];
145     end;
146 gforget 1.1 end;
147    
148     %determine a few more things about the diagnostic time axis
149     fprintf('\n\n');
150     parms.diagsNbRec=length(listTimes);
151     test1=median(diff(listTimes)*parms.timeStep/86400);
152     if abs(test1-30.5)<1; parms.diagsAreMonthly=1; else; parms.diagsAreMonthly=0; end;
153     if abs(test1-365.25)<1; parms.diagsAreAnnual=1; else; parms.diagsAreAnnual=0; end;
154 gforget 1.8 if doInteractive;
155 gforget 1.9 tmp1=sprintf('parms.diagsNbRec = %i (number of records, based on model output files)',parms.diagsNbRec); gcmfaces_msg(tmp1,'== ');
156     tmp1=sprintf('parms.diagsAreMonthly = %i (0/1 = false/true; based on output frequency)',parms.diagsAreMonthly); gcmfaces_msg(tmp1,'== ');
157     tmp1=sprintf('parms.diagsAreAnnual = %i (0/1 = false/true; based on output frequency)',parms.diagsAreAnnual); gcmfaces_msg(tmp1,'== ');
158 gforget 1.8 gcmfaces_msg('hit return if this seems correct otherwise stop here','== '); test0=input(''); if ~isempty(test0); error('likely dir problem'); end;
159     end;
160 gforget 1.1
161     listTimes2=parms.yearFirst+listTimes*parms.timeStep/86400/365.25;%this approximation of course makes things simpler
162     tmp1=-0.5*diff(listTimes,1,1)*parms.timeStep/86400/365.25; tmp1=[median(tmp1);tmp1];
163     listTimes2=listTimes2+tmp1;%this converts the enddate to the middate of pkg/diags
164     ii=find(listTimes2>=parms.yearInAve(1)&listTimes2<=parms.yearInAve(2)+1);
165     if parms.diagsAreMonthly;%then restrict to full years
166 gforget 1.6 ni=floor(length(ii)/12)*12;
167     if ni>0;
168     parms.recInAve=[ii(1) ii(floor(ni))];
169     else;
170     parms.recInAve=[ii(1) ii(end)];
171     end;
172 gforget 1.1 elseif ~isempty(ii);
173     parms.recInAve=[ii(1) ii(end)];
174     else;
175     parms.recInAve=[1 1];
176     end;
177 gforget 1.9 if doInteractive;
178     tmp1=sprintf('parms.recInAve = [%i %i] (time mean and variance records)',parms.recInAve); gcmfaces_msg(tmp1,'== ');
179     end;
180 gforget 1.1
181     fprintf('\n\n');
182    

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