/[MITgcm]/MITgcm_contrib/verification_other/offline_cheapaml/input/gendata.m
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Revision 1.1 - (hide annotations) (download)
Wed May 22 19:39:15 2013 UTC (12 years, 1 month ago) by jmc
Branch: MAIN
CVS Tags: checkpoint64h
unfinished set-up to test pkg/cheapaml with thsice

1 jmc 1.1
2     kwr=0;
3     %kwr=-1;
4     nx=80; ny=42; nr=3; nt=1;
5    
6     xc=[1:nx]; xc=xc-mean(xc);
7     yc=[1:ny]-.5;
8    
9     %------------------------------------------------------
10    
11     windx=10.;
12     H0=-100.;
13    
14     namf='channel.bin';
15     depth=H0*ones(nx,ny); depth(:,1)=0.; depth(:,ny)=0.;
16     if kwr > 0,
17     fprintf('write to file: %s\n',namf);
18     fid=fopen(namf,'w','b'); fwrite(fid,depth,'real*8'); fclose(fid);
19     end
20    
21     namf='windx.bin';
22     wnd=windx*ones(nx,ny,nt);
23     if kwr > 0,
24     fprintf('write to file: %s\n',namf);
25     fid=fopen(namf,'w','b'); fwrite(fid,wnd,'real*8'); fclose(fid);
26     end
27    
28     %- file name convention: "const_{xx}.bin" <-> uniform value = xx (in percent)
29     namf='const_00.bin';
30     fld=0*ones(nx,ny,nt);
31     if kwr > 0,
32     fprintf('write to file: %s\n',namf);
33     fid=fopen(namf,'w','b'); fwrite(fid,fld,'real*8'); fclose(fid);
34     end
35    
36     namf='const100.bin'; w0=1.;
37     %var=w0*ones(nx,ny);
38     %if kwr > 0,
39     % fprintf('write to file: %s\n',namf);
40     % fid=fopen(namf,'w','b'); fwrite(fid,var,'real*8'); fclose(fid);
41     %end
42    
43     namf='const+20.bin'; w0=0.2;
44     var=w0*ones(nx,ny);
45     if kwr > 0,
46     fprintf('write to file: %s\n',namf);
47     fid=fopen(namf,'w','b'); fwrite(fid,var,'real*8'); fclose(fid);
48     end
49    
50     namf='ice0_area.bin'; iceC0=1.;
51     iceConc=zeros(nx,ny);
52     iceConc(21:60,:)=iceC0;
53     iceConc(:,1)=0; iceConc(:,ny)=0;
54     if kwr > 0,
55     fprintf('write to file: %s\n',namf);
56     fid=fopen(namf,'w','b'); fwrite(fid,iceConc,'real*8'); fclose(fid);
57     end
58    
59     namf='ice0_heff.bin'; iceH0=0.2;
60     %iceVol=iceConc*iceH0;
61     %if kwr > 0,
62     % fprintf('write to file: %s\n',namf);
63     % fid=fopen(namf,'w','b'); fwrite(fid,iceVol,'real*8'); fclose(fid);
64     %end
65    
66     %------------------------------------------------------
67    
68     dsw0=70; dswA=30;
69     ymid=(yc(2)+yc(ny))/2;
70     ysn=yc-ymid ; ysn=ysn/(yc(ny)-yc(2)); ysn=sin(pi*ysn);
71    
72     namf=['dsw_',int2str(dsw0),'y.bin'];
73     dsw_y=dsw0+dswA*ysn;
74     fld=ones(nx,1)*dsw_y;
75     if kwr > 0,
76     fprintf('write to file: %s\n',namf);
77     fid=fopen(namf,'w','b'); fwrite(fid,fld,'real*8'); fclose(fid);
78     end
79    
80     dlw0=270; dlwA=-20;
81     namf=['dlw_',int2str(dlw0),'y.bin'];
82     dlw_y=dlw0+dlwA*ysn;
83     fld=ones(nx,1)*dlw_y;
84     if kwr > 0,
85     fprintf('write to file: %s\n',namf);
86     fid=fopen(namf,'w','b'); fwrite(fid,fld,'real*8'); fclose(fid);
87     end
88    
89     cel2K=273.15; taC=-10;
90     %ta0=cel2K+taC;
91     %- cheapAML works in deg.C
92     ta0=taC;
93     ta=ta0*ones(nx,ny);
94     namf=['tair_',int2str(taC),'.bin'];
95     if kwr > 0,
96     fprintf('write to file: %s\n',namf);
97     fid=fopen(namf,'w','b'); fwrite(fid,ta,'real*8'); fclose(fid);
98     end;
99    
100     cvapor_fac = 640380.000 ;
101     cvapor_exp = 5107.400 ;
102     atmrho = 1.200 ;
103     rh=70; %- specific humid <--> 70.% relative humid
104     taK=cel2K+taC;
105     tmpbulk = cvapor_fac*exp(-cvapor_exp./taK);
106     qa0= (rh/100.)*tmpbulk/atmrho ;
107     qa=qa0*ones(nx,ny);
108     namf=['qa',int2str(rh),'_',int2str(taC),'.bin'];
109     if kwr > 0,
110     fprintf('write to file: %s\n',namf);
111     fid=fopen(namf,'w','b'); fwrite(fid,qa,'real*8'); fclose(fid);
112     end;
113    
114     %- salinity
115     sCst=30;
116     so=sCst*ones(nx,ny,nt);
117     namf='socn.bin';
118     %if kwr > 0,
119     % fprintf('write to file: %s\n',namf);
120     % fid=fopen(namf,'w','b'); fwrite(fid,so,'real*8'); fclose(fid);
121     %end;
122    
123     muTf = 5.4e-2;
124     tfreeze=-muTf*sCst;
125     fprintf('T-freeze = %10.6f\n',tfreeze);
126     dtx=1; %- dtx = amplitude of relaxing ocean temp variations in X-dir
127     %to_x=tfreeze + dtx*sin(pi*(1+2*xc'/nx)) + dtx;
128     to_x=tfreeze + dtx*sin(pi*(2*xc'/nx)) + dtx;
129     mnV=min(to_x); MxV=max(to_x); Avr=mean(to_x);
130     fprintf(' SST* av,mn,Mx: %9.6f , %9.6f , %9.6f , %9.6f\n',Avr,mnV,MxV,MxV-mnV);
131     to=repmat(to_x,[1 ny nt]);
132     namf=['tocn_',int2str(dtx),'x.bin'];
133     if kwr > 0,
134     fprintf('write to file: %s\n',namf);
135     fid=fopen(namf,'w','b'); fwrite(fid,to,'real*8'); fclose(fid);
136     end;
137    
138     %-- make some plots to check: ----------------
139    
140     hScal=[-1.1 0.1]*abs(H0);
141     figure(1); clf;
142     subplot(211);
143     var=depth;
144     imagesc(xc,yc,var'); set(gca,'YDir','normal');
145     %caxis(hScal);
146     %change_colmap(-1);
147     colorbar;
148     title('Depth [m]');
149    
150     subplot(413);
151     var=depth;
152     j1=2;
153     j2=ny/2;
154     j3=j2+1;
155     plot(xc,var(:,j1),'k-')
156     hold on; j=j+1;
157     plot(xc,var(:,j2),'ro-')
158     plot(xc,var(:,j3),'b-')
159     hold off;
160     axis([-nx/2 nx/2 hScal]);
161     grid
162     legend(int2str(j1),int2str(j2),int2str(j3));
163     title('Depth @ j= cst');
164    
165     subplot(414);
166     i=nx/2;
167     plot(yc,var(i,:),'k-')
168     axis([0 ny H0*1.1 -H0*.1]);
169     grid
170     title(['Depth @ i=',int2str(i)]);
171    
172     %--
173    
174     figure(2);clf;
175     subplot(211)
176     plot(xc,to_x,'r-'); hold on;
177     %plot(xc,dewPt-cel2K,'b-');
178     plot(xc,tfreeze*ones(nx,1),'k-');
179     hold off;
180     AA=axis; axis([-nx/2 nx/2 AA(3:4)]);
181     legend('To','Tfrz');
182     grid
183     title('Ocean Temp ^oC');
184     %title(['del-Temp-X= ',int2str(dtx),' ; RH= ',int2str(rh),' ; Air Temp (^oC)']);
185     subplot(212)
186     plot(yc,dsw_y,'r-'); hold on;
187     plot(yc,dlw_y-200,'b-');
188     hold off;
189     %AA=axis; axis([0 ny AA(3:4)]);
190     axis([0 ny 30 110]);
191     grid
192     legend('sw','lw','Location','South');
193     title('Downward SW and LW (-200) [W/m^2]');
194    
195     %--
196    
197     figure(3);clf;
198     subplot(311)
199     var=iceConc; ccB=[-1 12]/10;
200     imagesc(xc,yc,var'); set(gca,'YDir','normal');
201     caxis(ccB);
202     %change_colmap(-1);
203     colorbar;
204     title('Ice Concentration in Channel');
205    
206     iceVol=iceH0*iceConc;
207     subplot(312)
208     var=iceVol; ccB=[-1 12]/50;
209     imagesc(xc,yc,var'); set(gca,'YDir','normal');
210     caxis(ccB);
211     %change_colmap(-1);
212     colorbar;
213     title('Effective ice thickness in Channel');
214    
215     subplot(313)
216     var=iceConc(1,:);
217     %plot(yc,var,'b-x'); hold on;
218     semilogy(yc,var,'b-x'); hold on;
219     var=iceVol(1,:);
220     %plot(yc,var,'r-x'); hold off;
221     semilogy(yc,var,'r-x'); hold on;
222     AA=axis; axis([0 ny [0 2]*iceC0]);
223     grid
224     legend('iceC','hEff','Location','South');
225     title('Initial ice in Channel : y-section');
226     %--

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