/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_diags/diags_grid_parms.m
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Revision 1.11 - (hide annotations) (download)
Tue Jan 12 19:33:06 2016 UTC (9 years, 6 months ago) by gforget
Branch: MAIN
CVS Tags: checkpoint65v, checkpoint65t, checkpoint65u
Changes since 1.10: +2 -2 lines
-  avoid pb with ncload when directory name contains blanks

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

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