/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_diags/diags_grid_parms.m
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Revision 1.13 - (hide annotations) (download)
Wed May 11 00:55:49 2016 UTC (9 years, 2 months ago) by gforget
Branch: MAIN
CVS Tags: checkpoint65x, checkpoint65w
Changes since 1.12: +5 -0 lines
- interactive specification of nF,frmt, and memoryLimit

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 1.13 fprintf('\nFor the ECCO v4 LLC90 grid, the following parameters\n');
18     fprintf('apply: nF=5; frmt=''compact''; memoryLimit=0; \n\n');
19     nF=input('Number of faces? (nF=1, 4, 5 or 6)\n');
20     frmt=input('File format? (frmt=''straight'', ''cube'' or ''compact'')\n');
21     memoryLimit=input('memoryLimit? (0=load full grid, 1=less, 2=even less)\n');
22 gforget 1.10 elseif ~isempty(dir('GRID'));
23 gforget 1.11 dirGrid=['GRID' filesep];
24 gforget 1.10 nF=5;
25     frmt='compact';
26     memoryLimit=0;
27     elseif ~isempty(dir('nctiles_grid'));
28 gforget 1.11 dirGrid=['nctiles_grid' filesep];
29 gforget 1.10 nF=5;
30     frmt='nctiles';
31     memoryLimit=0;
32 gforget 1.12 elseif ~isempty(dir([dirModel filesep 'GRID']));
33     dirGrid=[dirModel filesep 'GRID' filesep];
34     nF=5;
35     frmt='compact';
36     memoryLimit=0;
37     elseif ~isempty(dir([dirModel filesep 'nctiles_grid']));
38     dirGrid=[dirModel filesep 'nctiles_grid' filesep];
39     nF=5;
40     frmt='nctiles';
41     memoryLimit=0;
42 gforget 1.1 end;
43 gforget 1.2
44 gforget 1.8 if doInteractive;
45     nF=input('number of faces? (1, 4, 5or 6)\n');
46     frmt=input('file format ? (''straight'', ''cube'' or ''compact'')\n');
47     memoryLimit=input('memoryLimit ? (0=load full grid, 1=load less, 2=load even less)\n');
48     end;
49 gforget 1.2
50     grid_load(dirGrid,nF,frmt,memoryLimit);
51 gforget 1.1
52     %set default for model run parameters
53 gforget 1.8 if doInteractive;
54     choiceParams=input(['choice of default parameters? (1=ecco v4, ' ...
55     '2=core, 3=ecco2 adjoint, 4=ecco v3, 5=core-Jeff)\n']);
56     else;
57     choiceParams=1;
58     end;
59 gforget 1.2 myparms=default_parms(choiceParams);
60 gforget 1.1
61     %allow user to change model params if necessary
62 gforget 1.8 myparms=review_parms(myparms,listTimes,doInteractive);
63 gforget 1.1
64 gforget 1.2 function [parms]=default_parms(choiceParams);
65 gforget 1.1 %set model parameters to default (ecco_v4)
66    
67 gforget 1.6 if choiceParams==1|choiceParams==2|choiceParams==4|choiceParams==5;
68 gforget 1.3 parms.yearFirst=1992; %first year covered by model integration
69 gforget 1.5 parms.yearLast =2011; %last year covered by model integration
70 gforget 1.1 parms.yearInAve=[parms.yearFirst parms.yearLast]; %period for time averages and variance computations
71 gforget 1.3 parms.timeStep =3600; %model time step for tracers
72 gforget 1.1 parms.iceModel =1;%0=use freezing point 1=use pkg/seaice 2=use pkg/thsice
73 gforget 1.3 parms.useRFWF =1;%1=real fresh water flux 0=virtual salt flux
74     parms.useNLFS =2;%2=rstar 1=nlfs 0=linear free surface
75     parms.rhoconst =1029; %sea water density
76 gforget 1.1 parms.rcp =3994*parms.rhoconst; % sea water rho X heat capacity
77     parms.rhoi = 910; %sea ice density
78     parms.rhosn = 330; %snow density
79     parms.flami = 3.34e05; % latent heat of fusion of ice/snow (J/kg)
80     parms.flamb = 2.50e06; % latent heat of evaporation (J/kg)
81 gforget 1.3 parms.SIsal0 =4;
82 gforget 1.2 if choiceParams==2;
83     parms.yearFirst=1948; %first year covered by model integration
84     parms.yearLast =2007; %last year covered by model integration
85 gforget 1.7 parms.yearInAve = [1948 2007];
86 gforget 1.2 end;
87 gforget 1.4 if choiceParams==4;
88     parms.useRFWF =0;%1=real fresh water flux 0=virtual salt flux
89     parms.useNLFS =0;%2=rstar 1=nlfs 0=linear free surface
90     end;
91 gforget 1.6 if choiceParams==5;
92     parms.yearFirst=2006; %first year covered by model integration
93     parms.yearLast =2305; %last year covered by model integration
94     parms.yearInAve = [2006 2305];
95     end;
96 gforget 1.2 end;
97    
98     if choiceParams==3;
99     parms.yearFirst=2004; %first year covered by model integration
100     parms.yearLast =2005; %last year covered by model integration
101     parms.yearInAve=[parms.yearFirst parms.yearLast]; %period for time averages and variance computations
102     parms.timeStep =1200; %model time step for tracers
103     parms.iceModel =1;%0=use freezing point 1=use pkg/seaice 2=use pkg/thsice
104     parms.useRFWF =0;%1=real fresh water flux 0=virtual salt flux
105     parms.useNLFS =0;%2=rstar 1=nlfs 0=linear free surface
106     parms.rhoconst =1027.5; %sea water density
107     parms.rcp =3994*parms.rhoconst; % sea water rho X heat capacity
108     parms.rhoi = 910; %sea ice density
109     parms.rhosn = 330; %snow density
110     parms.flami = 3.34e05; % latent heat of fusion of ice/snow (J/kg)
111     parms.flamb = 2.50e06; % latent heat of evaporation (J/kg)
112     parms.SIsal0 = 0;
113     end;
114 gforget 1.1
115 gforget 1.8 function [parms]=review_parms(parms,listTimes,doInteractive);
116 gforget 1.1 %review model parameters, correct them if needed, and check a couple more things
117    
118     test1=1;%so that we print params at least once
119     while test1;
120     fprintf('\n\n');
121     gcmfaces_msg('model parameters summary','==== ');
122    
123     tmp1=sprintf('parms.yearFirst = %i (first year covered by model integration)',parms.yearFirst); gcmfaces_msg(tmp1,'== ');
124     tmp1=sprintf('parms.yearLast = %i (first year covered by model integration)',parms.yearLast); gcmfaces_msg(tmp1,'== ');
125     tmp1=sprintf('parms.yearInAve = [%i %i] (time mean and variance years)',parms.yearInAve); gcmfaces_msg(tmp1,'== ');
126     tmp1=sprintf('parms.timeStep = %i (model time step for tracers)',parms.timeStep); gcmfaces_msg(tmp1,'== ');
127     tmp1=sprintf('parms.iceModel = %i (0=freezing point 1=pkg/seaice 2=pkg/thsice)',parms.iceModel); gcmfaces_msg(tmp1,'== ');
128     tmp1=sprintf('parms.useRFWF = %i (1=real fresh water flux 0=virtual salt flux)',parms.useRFWF); gcmfaces_msg(tmp1,'== ');
129     tmp1=sprintf('parms.useNLFS = %i; (2=rstar 1=nlfs 0=linear free surface)',parms.useNLFS); gcmfaces_msg(tmp1,'== ');
130     tmp1=sprintf('parms.rhoconst = %0.6g (sea water density)',parms.rhoconst); gcmfaces_msg(tmp1,'== ');
131     tmp1=sprintf('parms.rcp = %0.6g (sea water density X heat capacity)',parms.rcp); gcmfaces_msg(tmp1,'== ');
132     if parms.iceModel==1;
133     tmp1=sprintf('parms.rhoi = %0.6g (sea ice density)',parms.rhoi); gcmfaces_msg(tmp1,'== ');
134     tmp1=sprintf('parms.rhosn = %0.6g (snow density)',parms.rhosn); gcmfaces_msg(tmp1,'== ');
135     tmp1=sprintf('parms.flami = %0.6g (latent heat of fusion of ice/snow in J/kg)',parms.flami); gcmfaces_msg(tmp1,'== ');
136     tmp1=sprintf('parms.flamb = %0.6g (latent heat of evaporation in J/kg)',parms.flamb); gcmfaces_msg(tmp1,'== ');
137     tmp1=sprintf('parms.SIsal0 = %0.6g (sea ice constant salinity)',parms.SIsal0); gcmfaces_msg(tmp1,'== ');
138     %tmp1=sprintf('',); gcmfaces_msg(tmp1,'== ');
139     else;
140     error('only parms.iceModel=1 is currently treated\n');
141     end;
142    
143 gforget 1.8 if doInteractive;
144     gcmfaces_msg('to change a param type e.g. ''parms.yearFirst=1;'' or hit return if all params are ok. Change a param?','==== ');
145     tmp1=input('');
146     test1=~isempty(tmp1); %so that we change param and iterate process
147     if test1; eval(tmp1); end;
148     else;
149     test1=[];
150     end;
151 gforget 1.1 end;
152    
153     %determine a few more things about the diagnostic time axis
154     fprintf('\n\n');
155     parms.diagsNbRec=length(listTimes);
156     test1=median(diff(listTimes)*parms.timeStep/86400);
157     if abs(test1-30.5)<1; parms.diagsAreMonthly=1; else; parms.diagsAreMonthly=0; end;
158     if abs(test1-365.25)<1; parms.diagsAreAnnual=1; else; parms.diagsAreAnnual=0; end;
159 gforget 1.8 if doInteractive;
160 gforget 1.9 tmp1=sprintf('parms.diagsNbRec = %i (number of records, based on model output files)',parms.diagsNbRec); gcmfaces_msg(tmp1,'== ');
161     tmp1=sprintf('parms.diagsAreMonthly = %i (0/1 = false/true; based on output frequency)',parms.diagsAreMonthly); gcmfaces_msg(tmp1,'== ');
162     tmp1=sprintf('parms.diagsAreAnnual = %i (0/1 = false/true; based on output frequency)',parms.diagsAreAnnual); gcmfaces_msg(tmp1,'== ');
163 gforget 1.8 gcmfaces_msg('hit return if this seems correct otherwise stop here','== '); test0=input(''); if ~isempty(test0); error('likely dir problem'); end;
164     end;
165 gforget 1.1
166     listTimes2=parms.yearFirst+listTimes*parms.timeStep/86400/365.25;%this approximation of course makes things simpler
167     tmp1=-0.5*diff(listTimes,1,1)*parms.timeStep/86400/365.25; tmp1=[median(tmp1);tmp1];
168     listTimes2=listTimes2+tmp1;%this converts the enddate to the middate of pkg/diags
169     ii=find(listTimes2>=parms.yearInAve(1)&listTimes2<=parms.yearInAve(2)+1);
170     if parms.diagsAreMonthly;%then restrict to full years
171 gforget 1.6 ni=floor(length(ii)/12)*12;
172     if ni>0;
173     parms.recInAve=[ii(1) ii(floor(ni))];
174     else;
175     parms.recInAve=[ii(1) ii(end)];
176     end;
177 gforget 1.1 elseif ~isempty(ii);
178     parms.recInAve=[ii(1) ii(end)];
179     else;
180     parms.recInAve=[1 1];
181     end;
182 gforget 1.9 if doInteractive;
183     tmp1=sprintf('parms.recInAve = [%i %i] (time mean and variance records)',parms.recInAve); gcmfaces_msg(tmp1,'== ');
184     end;
185 gforget 1.1
186     fprintf('\n\n');
187    

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