/[MITgcm]/MITgcm_contrib/high_res_cube/eddy_flux/c22/plot_c22.m
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Revision 1.6 - (hide annotations) (download)
Tue Apr 5 14:05:08 2005 UTC (20 years, 3 months ago) by edhill
Branch: MAIN
Changes since 1.5: +7 -4 lines
 o minor fixes but still problem with large vpbp_dbdz

1 edhill 1.1 %=======================================================
2     %
3 edhill 1.6 % $Id: plot_c22.m,v 1.5 2005/03/30 19:32:12 edhill Exp $
4 edhill 1.1 %
5     % Ed Hill
6     %
7    
8     % The following are the MatLAB commands used to create the various
9     % plots related to eddy fluxes using average velocities and densities
10     % (called bouyancy or "b" in many of the variables) from Dimitris'
11     % "cube_22" or "c22" integration.
12    
13     % ssh eddy
14 edhill 1.4 % cd /r/r0/edhill/eddy_stats/c22
15 edhill 1.1
16     % matlab -nojvm
17     % matlab -nojvm -nodisplay
18    
19     clear all
20     close all
21    
22    
23     %==================================================================
24     % Read the tile00?.mitgrid files
25     gvars = { 'XC','YC','DXF','DYF','RA','XG','YG','DXV', ...
26     'DYU','RAZ','DXC','DYC','RAW','RAS','DXG','DYG' };
27    
28     ne = 510;
29     nep1 = ne + 1;
30     iface = 1;
31     for iface = 1:6
32     fname = sprintf('grid/tile%03d.mitgrid', iface);
33     gid = fopen(fname, 'r', 'ieee-be');
34     tmp = reshape(fread(gid,inf,'real*8',0,'ieee-be'),[nep1,nep1,16]);
35     fclose(gid);
36     % surf(tmp(:,:,1)), view(2), shading interp
37     % for jj = 1:length(gvars)
38     for jj = 1:7
39     comm = sprintf('%s(:,:,%d) = tmp(:,:,%d);', ...
40     [gvars{jj}], iface, jj);
41     eval(comm);
42     end
43     end
44     % surf(XC(:,:,1)), view(2), shading interp
45     % subplot(2,1,1), a = [1:10]; surf(XC(a,a,1)), view(2)
46     % subplot(2,1,2), a = [(nep1-10):nep1]; surf(XC(a,a,1)), view(2)
47     % surf(YC(:,:,1)), view(2), shading interp
48     % surf(XG(:,:,1)), view(2), shading interp
49     % surf(YG(:,:,1)), view(2), shading interp
50     is = [1:ne];
51     vs = { 'XC','YC','DXF','DYF','RA' };
52     for i = 1:length(vs)
53     eval(sprintf('%s = %s(is,is,:);',vs{i},vs{i}));
54     end
55    
56     delR = [ ...
57     10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.01, ...
58     10.03, 10.11, 10.32, 10.80, 11.76, 13.42, 16.04 , 19.82, 24.85, ...
59     31.10, 38.42, 46.50, 55.00, 63.50, 71.58, 78.90, 85.15, 90.18, ...
60     93.96, 96.58, 98.25, 99.25,100.01,101.33,104.56,111.33,122.83, ...
61     139.09,158.94,180.83,203.55,226.50,249.50,272.50,295.50,318.50, ...
62     341.50,364.50,387.50,410.50,433.50,456.50 ];
63     R = cumsum(delR) - 0.5*delR;
64    
65     %==================================================================
66     % Project fields to lower-res 1-degree Lat-Lon and write
67     % as NetCDF for viewing with Ingrid
68     %
69     fields_3d = { ...
70     'DRHODR', 'RHOANOSQ', 'RHOAnoma', 'SALT', 'SALTSQ', ...
71     'THETA', 'THETASQ', 'URHOMASS', ...
72     'USLTMASS', 'UTHMASS', 'UVEL', 'UVELMASS', 'UVELSQ', ...
73     'UV_VEL_Z', 'VRHOMASS', 'VSLTMASS', 'VTHMASS', ...
74     'VVEL', 'VVELMASS', 'VVELSQ', 'WRHOMASS', 'WSLTMASS', ...
75     'WTHMASS', 'WU_VEL', 'WVELMASS', 'WVELSQ', 'WV_VEL' };
76     fields_2d = { ...
77     'ETAN', 'ETANSQ', 'EmPmRtave', 'PHIBOT', 'SFLUX', 'SRELAX', ...
78     'TAUX', 'TAUY', 'TFLUX', ...
79     'TICE', 'TRELAX', 'UICEtave', 'VICEtave' };
80    
81     ne = 510;
82     nf = 6;
83     nz = 50;
84     nslab = ne*ne*nf;
85     adir = 'ave_1992-2004';
86     lat = [-90:90];
87     lon = [0:360];
88     ir = [ 1 2 3 5 10 15 20 25 30 35 40 50 ];
89    
90     % ! rm -f cube_22_at1deg.nc
91     nc = netcdf(['cube_22_at1deg.nc'], 'clobber');
92     nc.reference = [ 'The cube_22 averages from Dimitris Menemenlis' ...
93     ' regridded to 1-deg Lat-Lon' ];
94     nc.author = 'Ed Hill <eh3@mit.edu>';
95     nc.date = 'Mar 27, 2005';
96     nc('X') = length(lon);
97     nc('Y') = length(lat);
98     nc('Z') = length(ir);
99     nc{'X'} = 'X';
100     nc{'Y'} = 'Y';
101     nc{'Z'} = 'Z';
102     nc{'X'}.uniquename = 'X';
103     nc{'X'}.long_name = 'longitude';
104     nc{'X'}.gridtype = ncint(1);
105     nc{'X'}.units = 'degree_east';
106     nc{'Y'}.uniquename = 'Y';
107     nc{'Y'}.long_name = 'latitude';
108     nc{'Y'}.gridtype = ncint(0);
109     nc{'Y'}.units = 'degree_north';
110     nc{'Z'}.uniquename = 'Z';
111     nc{'Z'}.long_name = 'depth';
112     nc{'Z'}.gridtype = ncint(0);
113     nc{'Z'}.units = 'm';
114     nc{'X'}(:) = lon;
115     nc{'Y'}(:) = lat;
116     nc{'Z'}(:) = R(ir);
117    
118     ifld = 5;
119     fields = union(fields_2d, fields_3d);
120     for ifld = 1:length(fields)
121    
122     id = fields{ifld};
123     if ismember(fields{ifld},fields_3d)
124     ir = [ 1 2 3 5 10 15 20 25 30 35 40 50 ];
125     nc{ id } = { 'Z' 'Y' 'X' };
126     else
127     ir = [ 1 ];
128     nc{ id } = { 'Y' 'X' };
129     end
130     nc{ id }.missing_value = ncdouble(NaN);
131     nc{ id }.FillValue_ = ncdouble(0.0);
132    
133     disp([ ' ' fields{ifld} ' :' ]);
134    
135     fname = sprintf('%s/%s.ave',adir,fields{ifld});
136     fid = fopen(fname,'r','ieee-be');
137    
138     ii = 1;
139     for ii = 1:length(ir)
140    
141     iz = ir(ii);
142     disp(sprintf(' iz = %g',iz));
143    
144     fseek(fid,nslab*4*(iz-1),'bof');
145     tmp = fread(fid,nslab,'real*4',0,'ieee-be');
146     tr = permute(reshape(tmp,[ 510 6 510 ]),[1 3 2]);
147     % surf(tr(:,:,1)), view(2), shading interp
148     xc360 = XC + 180;
149     trn = tr;
150     trn(find(tr == 0.0)) = NaN;
151     clear tmp tr
152     % v = sdac_regrid(xc360,YC,trn,lonm,latm);
153     v = ll_regrid(xc360,YC,trn,lon,lat);
154     % surf(lon,lat,v'), caxis([25 40]), view(2), shading interp, colorbar
155    
156     if length(ir) == 1
157     nc{ id }(:,:) = permute(v,[2 1]);
158     else
159     nc{ id }(ii,:,:) = permute(v,[2 1]);
160     end
161    
162     end
163    
164     fclose(fid);
165    
166     end
167    
168     nc = close(nc);
169    
170    
171     % ! ncdump cube_22_at1deg.nc | more
172     % ! scp cube_22_at1deg.nc channel.mit.edu:/home/edhill/INGRID_PEOPLE/EH3/eddy_flux/cube_22/
173    
174    
175    
176    
177     %=======================================================
178     % Compute [uvw]'[tsb]'
179    
180     clear all
181     close all
182    
183     gvars = { 'XC','YC','DXF','DYF','RA','XG','YG','DXV', ...
184     'DYU','RAZ','DXC','DYC','RAW','RAS','DXG','DYG' };
185     ne = 510;
186     nep1 = ne + 1;
187     iface = 1;
188     for iface = 1:6
189     fname = sprintf('grid/tile%03d.mitgrid', iface);
190     gid = fopen(fname, 'r', 'ieee-be');
191     tmp = reshape(fread(gid,inf,'real*8',0,'ieee-be'),[nep1,nep1,16]);
192     fclose(gid);
193     % surf(tmp(:,:,1)), view(2), shading interp
194     % for jj = 1:length(gvars)
195     for jj = 1:7
196     comm = sprintf('%s(:,:,%d) = tmp(:,:,%d);', ...
197     [gvars{jj}], iface, jj);
198     eval(comm);
199     end
200     end
201     % surf(XC(:,:,1)), view(2), shading interp
202     % subplot(2,1,1), a = [1:10]; surf(XC(a,a,1)), view(2)
203     % subplot(2,1,2), a = [(nep1-10):nep1]; surf(XC(a,a,1)), view(2)
204     % surf(YC(:,:,1)), view(2), shading interp
205     % surf(XG(:,:,1)), view(2), shading interp
206     % surf(YG(:,:,1)), view(2), shading interp
207     is = [1:ne];
208     vs = { 'XC','YC','DXF','DYF','RA' };
209     for i = 1:length(vs)
210     eval(sprintf('%s = %s(is,is,:);',vs{i},vs{i}));
211     end
212    
213     delR = [ ...
214     10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.01, ...
215     10.03, 10.11, 10.32, 10.80, 11.76, 13.42, 16.04 , 19.82, 24.85, ...
216     31.10, 38.42, 46.50, 55.00, 63.50, 71.58, 78.90, 85.15, 90.18, ...
217     93.96, 96.58, 98.25, 99.25,100.01,101.33,104.56,111.33,122.83, ...
218     139.09,158.94,180.83,203.55,226.50,249.50,272.50,295.50,318.50, ...
219     341.50,364.50,387.50,410.50,433.50,456.50 ];
220     R = cumsum(delR) - 0.5*delR;
221    
222     n1 = ne - 1;
223     dux = zeros(size(XC));
224     duy = zeros(size(XC));
225     dvx = zeros(size(XC));
226     dvy = zeros(size(XC));
227     dux(:,:,:) = diff(XG(:,1:ne,:),1,1);
228     dvx(:,:,:) = diff(XG(1:ne,:,:),1,2);
229     duy(:,:,:) = diff(YG(:,1:ne,:),1,1);
230     dvy(:,:,:) = diff(YG(1:ne,:,:),1,2);
231     dux = dux + 360*double(dux < 180);
232     dux = dux - 360*double(dux > 180); % [ min(min(dux)) max(max(dux)) ]
233     duy = duy + 360*double(duy < 180);
234     duy = duy - 360*double(duy > 180); % [ min(min(duy)) max(max(duy)) ]
235     dvx = dvx + 360*double(dvx < 180);
236     dvx = dvx - 360*double(dvx > 180); % [ min(min(dvx)) max(max(dvx)) ]
237     dvy = dvy + 360*double(dvy < 180);
238     dvy = dvy - 360*double(dvy > 180); % [ min(min(dvy)) max(max(dvy)) ]
239     llux = dux ./ sqrt(dux.^2 + duy.^2);
240     lluy = duy ./ sqrt(dux.^2 + duy.^2);
241     llvx = dvx ./ sqrt(dvx.^2 + dvy.^2);
242     llvy = dvy ./ sqrt(dvx.^2 + dvy.^2);
243    
244 edhill 1.2 lpath = 'ave_1992-2004/';
245 edhill 1.1 u__id = fopen( [lpath 'UVEL.ave'], 'r', 'ieee-be'); % 1
246     v__id = fopen( [lpath 'VVEL.ave'], 'r', 'ieee-be'); % 2
247     %w__id = fopen( [lpath 'WVEL.ave'], 'r', 'ieee-be');
248     u2_id = fopen( [lpath 'UVELSQ.ave'], 'r', 'ieee-be'); % 3
249     v2_id = fopen( [lpath 'VVELSQ.ave'], 'r', 'ieee-be'); % 4
250     w2_id = fopen( [lpath 'WVELSQ.ave'], 'r', 'ieee-be'); % 5
251     um_id = fopen( [lpath 'UVELMASS.ave'], 'r', 'ieee-be'); % 6
252     vm_id = fopen( [lpath 'VVELMASS.ave'], 'r', 'ieee-be'); % 7
253     wm_id = fopen( [lpath 'WVELMASS.ave'], 'r', 'ieee-be'); % 8
254     t__id = fopen( [lpath 'THETA.ave'], 'r', 'ieee-be'); % 9
255     t2_id = fopen( [lpath 'THETASQ.ave'], 'r', 'ieee-be'); % 10
256     s__id = fopen( [lpath 'SALT.ave'], 'r', 'ieee-be'); % 11
257     s2_id = fopen( [lpath 'SALTSQ.ave'], 'r', 'ieee-be'); % 12
258     b__id = fopen( [lpath 'RHOAnoma.ave'], 'r', 'ieee-be'); % 13
259     b2_id = fopen( [lpath 'RHOANOSQ.ave'], 'r', 'ieee-be'); % 14
260     ut_id = fopen( [lpath 'UTHMASS.ave'], 'r', 'ieee-be'); % 15
261     vt_id = fopen( [lpath 'VTHMASS.ave'], 'r', 'ieee-be'); % 16
262     wt_id = fopen( [lpath 'WTHMASS.ave'], 'r', 'ieee-be'); % 17
263     us_id = fopen( [lpath 'USLTMASS.ave'], 'r', 'ieee-be'); % 18
264     vs_id = fopen( [lpath 'VSLTMASS.ave'], 'r', 'ieee-be'); % 19
265     ws_id = fopen( [lpath 'WSLTMASS.ave'], 'r', 'ieee-be'); % 20
266     ub_id = fopen( [lpath 'URHOMASS.ave'], 'r', 'ieee-be'); % 21
267     vb_id = fopen( [lpath 'VRHOMASS.ave'], 'r', 'ieee-be'); % 22
268     wb_id = fopen( [lpath 'WRHOMASS.ave'], 'r', 'ieee-be'); % 23
269     dr_id = fopen( [lpath 'DRHODR.ave'], 'r', 'ieee-be'); % 24
270     iids = [ u__id v__id u2_id v2_id w2_id um_id vm_id wm_id ...
271     t__id t2_id s__id s2_id b__id b2_id ...
272     ut_id vt_id wt_id us_id vs_id ws_id ...
273     ub_id vb_id wb_id dr_id ];
274    
275     % ! rm -rf primes_92_04 ; mkdir primes_92_04
276     opath = 'primes_92_04/';
277     up2___id = fopen([opath 'up2'], 'wb', 'ieee-be');
278     vp2___id = fopen([opath 'vp2'], 'wb', 'ieee-be');
279     wp2___id = fopen([opath 'wp2'], 'wb', 'ieee-be');
280     tp2___id = fopen([opath 'tp2'], 'wb', 'ieee-be');
281     sp2___id = fopen([opath 'sp2'], 'wb', 'ieee-be');
282     bp2___id = fopen([opath 'bp2'], 'wb', 'ieee-be');
283     uptp__id = fopen([opath 'uptp'], 'wb', 'ieee-be');
284     vptp__id = fopen([opath 'vptp'], 'wb', 'ieee-be');
285     wptp__id = fopen([opath 'wptp'], 'wb', 'ieee-be');
286     upsp__id = fopen([opath 'upsp'], 'wb', 'ieee-be');
287     vpsp__id = fopen([opath 'vpsp'], 'wb', 'ieee-be');
288     wpsp__id = fopen([opath 'wpsp'], 'wb', 'ieee-be');
289     upbp__id = fopen([opath 'upbp'], 'wb', 'ieee-be');
290     vpbp__id = fopen([opath 'vpbp'], 'wb', 'ieee-be');
291     wpbp__id = fopen([opath 'wpbp'], 'wb', 'ieee-be');
292     vpbpdzid = fopen([opath 'vpbp_dbdz'], 'wb', 'ieee-be');
293     str___id = fopen([opath 'stress'], 'wb', 'ieee-be');
294    
295     comm = [ 'permute(reshape(fread( id ,nslab,''real*4'',0,' ...
296     '''ieee-be''),[ne 6 ne]),[1 3 2]);' ];
297     readslab = inline(comm,'id','nslab','ne');
298    
299     ne = 510;
300     nslab = 6 * ne * ne;
301     nztot = 50;
302     iz = 1;
303     for iz = 1:nztot
304    
305     disp(sprintf(' iz = %d',iz));
306     offset = (iz - 1)*nslab*4;
307     for iid = 1:length(iids)
308     fseek(iids(iid), offset, 'bof');
309     end
310     u = readslab(u__id,nslab,ne); u2 = readslab(u2_id,nslab,ne);
311     v = readslab(v__id,nslab,ne); v2 = readslab(v2_id,nslab,ne);
312     um = readslab(um_id,nslab,ne);
313     vm = readslab(vm_id,nslab,ne);
314     wm = readslab(wm_id,nslab,ne);
315     % surf(v2(:,:,1)), view(2), shading interp
316     if (iz < nztot)
317     wmp1 = readslab(wm_id,nslab,ne);
318     else
319     wmp1 = zeros(size(wm));
320     end
321     wmp05 = (wm + wmp1)/2.0;
322     w2 = readslab(w2_id,nslab,ne);
323     t = readslab(t__id,nslab,ne); t2 = readslab(t2_id,nslab,ne);
324     s = readslab(s__id,nslab,ne); s2 = readslab(s2_id,nslab,ne);
325     b = readslab(b__id,nslab,ne); b2 = readslab(b2_id,nslab,ne);
326    
327     % "simple squared" quantities
328     up2 = u2 - u.^2;
329     vp2 = v2 - v.^2;
330     wp2 = w2 - wm.^2;
331     fwrite(up2___id, up2, 'real*4');
332     fwrite(vp2___id, vp2, 'real*4');
333     fwrite(wp2___id, wp2, 'real*4');
334     clear up2 vp2 wp2 u2 v2 w2
335     tp2 = t2 - t.^2;
336     sp2 = s2 - s.^2;
337     bp2 = b2 - b.^2;
338     fwrite(tp2___id, tp2, 'real*4');
339     fwrite(sp2___id, sp2, 'real*4');
340     fwrite(bp2___id, bp2, 'real*4');
341     clear tp2 sp2 bp2 t2 s2 b2
342     ut = readslab(ut_id,nslab,ne); vt = readslab(vt_id,nslab,ne);
343     us = readslab(us_id,nslab,ne); vs = readslab(vs_id,nslab,ne);
344     ub = readslab(ub_id,nslab,ne); vb = readslab(vb_id,nslab,ne);
345     drhodr = readslab(dr_id,nslab,ne);
346     [ tonu, tonv ] = mass_on_u_v(t);
347     [ sonu, sonv ] = mass_on_u_v(s);
348     [ bonu, bonv ] = mass_on_u_v(b);
349     uptp = ut - u .* tonu; vptp = vt - v .* tonv;
350     upsp = us - u .* sonu; vpsp = vs - v .* sonv;
351     upbp = ub - u .* bonu; vpbp = vb - v .* bonv;
352    
353     % llupbp = upbp .* llux + vpbp .* llvx;
354     llvpbp = upbp .* lluy + vpbp .* llvy;
355     if iz > 1
356     % ave_llupbp = (llupbp + old_llupbp)/2.0;
357     ave_llvpbp = (llvpbp + old_llvpbp)/2.0;
358     tmp = drhodr;
359 edhill 1.6 % tmp(find(tmp == 0.0)) = 1.0;
360 edhill 1.1 vpbpdbdz = ave_llvpbp ./ tmp;
361     fwrite(vpbpdzid, vpbpdbdz, 'real*4');
362 edhill 1.6 % \tau_x = 2\Omega sin(\phi) = 4\pi*sin(\phi)/(24*3600)
363     fac = 1000 * 4*pi/(24*3600);
364 edhill 1.1 stress = fac * sin(pi*YC/180) .* vpbpdbdz;
365     fwrite(str___id, stress, 'real*4');
366     end
367     % old_llupbp = llupbp;
368     old_llvpbp = llvpbp;
369    
370     fwrite(uptp__id, uptp, 'real*4');
371     fwrite(vptp__id, vptp, 'real*4');
372     fwrite(upsp__id, upsp, 'real*4');
373     fwrite(vpsp__id, vpsp, 'real*4');
374     fwrite(upbp__id, upbp, 'real*4');
375     fwrite(vpbp__id, vpbp, 'real*4');
376     clear uptp vptp upsp vpsp upbp vpbp vpbpdbdz
377     wt = readslab(wt_id,nslab,ne); wptp = wt - wmp05 .* t;
378     ws = readslab(ws_id,nslab,ne); wpsp = ws - wmp05 .* s;
379     wb = readslab(wb_id,nslab,ne); wpbp = wb - wmp05 .* b;
380     fwrite(wptp__id, wptp, 'real*4');
381     fwrite(wpsp__id, wpsp, 'real*4');
382     fwrite(wpbp__id, wpbp, 'real*4');
383     end
384    
385     ne = 510;
386     nz = 1;
387     nr = 50;
388     nrm1 = nr - 1;
389     nlat = 181; nlatm1 = nlat - 1;
390     % save indicies for zonal averages
391     hvals = linspace(-90,90,nlat);
392     i = 2;
393     for i = 2:nlat
394     inds = find(hvals(i-1)<YC & YC<hvals(i));
395     comm = sprintf('inds%04d = uint32(inds);',i-1);
396     eval(comm);
397     end
398    
399     comm = [ 'reshape(fread( id ,nslab,''real*4'',0,' ...
400     '''ieee-be''),[ne ne 6]);' ];
401     readcubelev = inline(comm,'id','nslab','ne');
402    
403     % Zonally average the ll_vpbp
404     acc = zeros(nlatm1, nrm1);
405     num = zeros(size(acc));
406     zidu = fopen('primes_92_04/upbp', 'r', 'ieee-be');
407     zidv = fopen('primes_92_04/vpbp', 'r', 'ieee-be');
408     for iz = 1:50,
409     disp(sprintf('iz = %d',iz));
410     fseek(zidu, (iz - 1)*(ne*ne*6)*4, 'bof');
411     fseek(zidv, (iz - 1)*(ne*ne*6)*4, 'bof');
412     upbp = readcubelev(zidu,nslab,ne);
413 edhill 1.2 vpbp = readcubelev(zidv,nslab,ne);
414     llupbp = upbp .* llux + vpbp .* llvx;
415 edhill 1.1 llvpbp = upbp .* lluy + vpbp .* llvy;
416     % surf(llvpbp(:,:,1)), view(2), shading interp, caxis([-.1 .1])
417     for jj = 1:nlatm1
418     eval( sprintf('clear inds; inds = inds%04d;',jj) );
419     tmp = llvpbp(inds);
420     nzinds = find(tmp ~= 0.0);
421     num(jj,iz) = length(nzinds);
422     acc(jj,iz) = sum(tmp(nzinds));
423     end
424     end
425     fclose(zidu);
426     fclose(zidv);
427     llzvpbp = acc ./ num;
428 edhill 1.2 % surf(llupbp(:,:,1)'), view(2), shading interp, caxis([-.1 .1])
429     % surf(llvpbp(:,:,1)'), view(2), shading interp, caxis([-.1 .1])
430     % surf(llzvpbp'), view(2), shading interp, caxis([-.1 .1])
431 edhill 1.4 % ! rm -f primes_92_04/za_llvpbp.mat
432     % save primes_92_04/za_llvpbp.mat llzvpbp
433 edhill 1.1
434     % zonally average ll_vpbp_dbdz
435     acc = zeros(nlatm1, nrm1);
436     num = zeros(size(acc));
437     zid = fopen('primes_92_04/vpbp_dbdz', 'r', 'ieee-be');
438     iz = 1;
439     for iz = 1:49,
440     disp(sprintf('iz = %d',iz));
441     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
442     vpbpdbdz = readcubelev(zid,nslab,ne);
443     % surf(vpbpdbdz(:,:,1)), view(2), shading interp, caxis([-50 50])
444     for jj = 1:nlatm1
445     eval( sprintf('clear inds; inds = inds%04d;',jj) );
446     tmp = vpbpdbdz(inds);
447     nzinds = find(tmp ~= 0.0);
448     num(jj,iz) = length(nzinds);
449     acc(jj,iz) = sum(tmp(nzinds));
450     end
451     end
452     fclose(zid);
453     za_ll_vpbp_dbdz = acc ./ num;
454 edhill 1.4 % ! rm -f primes_92_04/za_ll_vpbp_dbdz.mat
455 edhill 1.1 % save primes_92_04/za_ll_vpbp_dbdz.mat za_ll_vpbp_dbdz
456    
457     % zonally average stress
458     acc = zeros(nlatm1, nrm1);
459     num = zeros(size(acc));
460     zid = fopen('primes_92_04/stress', 'r', 'ieee-be');
461     iz = 1;
462     for iz = 1:49,
463     disp(sprintf('iz = %d',iz));
464     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
465     stress = readcubelev(zid,nslab,ne);
466     for jj = 1:nlatm1
467     eval( sprintf('clear inds; inds = inds%04d;',jj) );
468     tmp = stress(inds);
469     nzinds = find(tmp ~= 0.0);
470     num(jj,iz) = length(nzinds);
471     acc(jj,iz) = sum(tmp(nzinds));
472     end
473     end
474     fclose(zid);
475 edhill 1.3 za_stress = acc ./ num;
476 edhill 1.4 % ! rm -f primes_92_04/stress.mat
477 edhill 1.3 % save primes_92_04/stress.mat za_stress
478 edhill 1.1
479 edhill 1.3 % Average the stress over SSH-contours (streamlines)
480 edhill 1.6 clear num acc
481 edhill 1.3 eta_id = fopen('ave_1992-2004/ETAN.ave', 'r', 'ieee-be');
482     comm = [ 'permute(reshape(fread( id ,nslab,''real*4'',0,' ...
483     '''ieee-be''),[ne 6 ne]),[1 3 2]);' ];
484     readslab = inline(comm,'id','nslab','ne');
485     etan = readslab(eta_id,nslab,ne);
486     fclose(eta_id);
487     % surf(YC(:,:,1)'), view(2),shading interp,colorbar
488     % surf(etan(:,:,1)'), view(2),shading interp,colorbar
489     nssh = 50;
490     sshvals = linspace(-2.3,1.2,nssh);
491     i = 2;
492     for i = 2:nssh
493     inds = find(sshvals(i-1)<etan & etan<sshvals(i) & YC<-20);
494     comm = sprintf('sshinds%04d = uint32(inds);',i-1);
495     eval(comm);
496     end
497     zid = fopen('primes_92_04/stress', 'r', 'ieee-be');
498     iz = 1;
499     for iz = 1:49,
500     disp(sprintf('iz = %d',iz));
501     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
502     stress = readcubelev(zid,nslab,ne);
503     for jj = 1:(nssh-1)
504     eval( sprintf('clear inds; inds = sshinds%04d;',jj) );
505     tmp = stress(inds);
506     nzinds = find(tmp ~= 0.0);
507     num(jj,iz) = length(nzinds);
508     acc(jj,iz) = sum(tmp(nzinds));
509     end
510     end
511     fclose(zid);
512     ssha_stress = acc ./ num;
513     % surf(log(ssha_stress')), view(2),shading interp,colorbar
514 edhill 1.4 % ! rm -f primes_92_04/ssha_stress.mat
515     % save primes_92_04/ssha_stress.mat ssha_stress sshvals
516 edhill 1.2
517 edhill 1.1
518     clear all
519     close all
520    
521     %==================================================================
522     % Read the tile00?.mitgrid files
523     gvars = { 'XC','YC','DXF','DYF','RA','XG','YG','DXV', ...
524     'DYU','RAZ','DXC','DYC','RAW','RAS','DXG','DYG' };
525    
526     ne = 510;
527     nep1 = ne + 1;
528     iface = 1;
529     for iface = 1:6
530     fname = sprintf('grid/tile%03d.mitgrid', iface);
531     gid = fopen(fname, 'r', 'ieee-be');
532     tmp = reshape(fread(gid,inf,'real*8',0,'ieee-be'),[nep1,nep1,16]);
533     fclose(gid);
534     % surf(tmp(:,:,1)), view(2), shading interp
535     % for jj = 1:length(gvars)
536     for jj = 1:7
537     comm = sprintf('%s(:,:,%d) = tmp(:,:,%d);', ...
538     [gvars{jj}], iface, jj);
539     eval(comm);
540     end
541     end
542     % surf(XC(:,:,1)), view(2), shading interp
543     % subplot(2,1,1), a = [1:10]; surf(XC(a,a,1)), view(2)
544     % subplot(2,1,2), a = [(nep1-10):nep1]; surf(XC(a,a,1)), view(2)
545     % surf(YC(:,:,1)), view(2), shading interp
546     % surf(XG(:,:,1)), view(2), shading interp
547     % surf(YG(:,:,1)), view(2), shading interp
548     is = [1:ne];
549     vs = { 'XC','YC','DXF','DYF','RA' };
550     for i = 1:length(vs)
551     eval(sprintf('%s = %s(is,is,:);',vs{i},vs{i}));
552     end
553    
554     delR = [ ...
555     10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.01, ...
556     10.03, 10.11, 10.32, 10.80, 11.76, 13.42, 16.04 , 19.82, 24.85, ...
557     31.10, 38.42, 46.50, 55.00, 63.50, 71.58, 78.90, 85.15, 90.18, ...
558     93.96, 96.58, 98.25, 99.25,100.01,101.33,104.56,111.33,122.83, ...
559     139.09,158.94,180.83,203.55,226.50,249.50,272.50,295.50,318.50, ...
560     341.50,364.50,387.50,410.50,433.50,456.50 ];
561     R = cumsum(delR) - 0.5*delR;
562 edhill 1.4 Ri = R(1:(length(R)-1)) ...
563     + 0.25*delR(1:(length(R)-1)) + 0.25*delR(2:(length(R)));
564    
565 edhill 1.1 n1 = ne - 1;
566     dux = zeros(size(XC));
567     duy = zeros(size(XC));
568     dvx = zeros(size(XC));
569     dvy = zeros(size(XC));
570     dux(:,:,:) = diff(XG(:,1:ne,:),1,1);
571     dvx(:,:,:) = diff(XG(1:ne,:,:),1,2);
572     duy(:,:,:) = diff(YG(:,1:ne,:),1,1);
573     dvy(:,:,:) = diff(YG(1:ne,:,:),1,2);
574     dux = dux + 360*double(dux < 180);
575     dux = dux - 360*double(dux > 180); % [ min(min(dux)) max(max(dux)) ]
576     duy = duy + 360*double(duy < 180);
577     duy = duy - 360*double(duy > 180); % [ min(min(duy)) max(max(duy)) ]
578     dvx = dvx + 360*double(dvx < 180);
579     dvx = dvx - 360*double(dvx > 180); % [ min(min(dvx)) max(max(dvx)) ]
580     dvy = dvy + 360*double(dvy < 180);
581     dvy = dvy - 360*double(dvy > 180); % [ min(min(dvy)) max(max(dvy)) ]
582     llux = dux ./ sqrt(dux.^2 + duy.^2);
583     lluy = duy ./ sqrt(dux.^2 + duy.^2);
584     llvx = dvx ./ sqrt(dvx.^2 + dvy.^2);
585     llvy = dvy ./ sqrt(dvx.^2 + dvy.^2);
586    
587     %==================================================================
588     % Project fields to lower-res 1-degree Lat-Lon and write
589     % as NetCDF for viewing with Ingrid
590     %
591     ne = 510;
592     nf = 6;
593     nz = 50;
594     nslab = ne*ne*nf;
595     adir = 'primes_92_04';
596     lat = [-90:90];
597     lon = [0:360];
598 edhill 1.2 ir = [ 1 2 3 5 10 15 20 25 30 35 40 ];
599 edhill 1.1 xc360 = XC + 180;
600    
601 edhill 1.2 % ! rm -f cube_22_primes_at1deg.nc
602     nc = netcdf(['cube_22_primes_at1deg.nc'], 'clobber');
603     nc.reference = [ 'The cube_22 primes from Dimitris Menemenlis' ...
604     ' regridded to 1-deg Lat-Lon' ];
605 edhill 1.1 nc.author = 'Ed Hill <eh3@mit.edu>';
606 edhill 1.2 nc.date = 'March 27, 2005';
607 edhill 1.1 nc('X') = length(lon);
608     nc('Y') = length(lat);
609     nc('Z') = length(ir);
610 edhill 1.4 nc('Zc') = length(R);
611     nc('Zi') = length(Ri);
612 edhill 1.1 nc{'X'} = 'X';
613     nc{'Y'} = 'Y';
614     nc{'Z'} = 'Z';
615 edhill 1.4 nc{'Zc'} = 'Zc';
616     nc{'Zi'} = 'Zi';
617 edhill 1.1 nc{'X'}.uniquename = 'X';
618     nc{'X'}.long_name = 'longitude';
619     nc{'X'}.gridtype = ncint(1);
620     nc{'X'}.units = 'degree_east';
621     nc{'Y'}.uniquename = 'Y';
622     nc{'Y'}.long_name = 'latitude';
623     nc{'Y'}.gridtype = ncint(0);
624     nc{'Y'}.units = 'degree_north';
625     nc{'Z'}.uniquename = 'Z';
626     nc{'Z'}.long_name = 'depth';
627     nc{'Z'}.gridtype = ncint(0);
628     nc{'Z'}.units = 'm';
629 edhill 1.4 nc{'Zc'}.uniquename = 'Zc';
630     nc{'Zc'}.long_name = 'depth_at_center';
631     nc{'Zc'}.gridtype = ncint(0);
632     nc{'Zc'}.units = 'm';
633     nc{'Zi'}.uniquename = 'Zi';
634     nc{'Zi'}.long_name = 'depth_at_interface';
635     nc{'Zi'}.gridtype = ncint(0);
636     nc{'Zi'}.units = 'm';
637 edhill 1.1 nc{'X'}(:) = lon;
638     nc{'Y'}(:) = lat;
639     nc{'Z'}(:) = R(ir);
640 edhill 1.4 nc{'Zc'}(:) = R;
641     nc{'Zi'}(:) = Ri;
642    
643     f_s_3d = { {'tp2'}, {'sp2'}, {'bp2'}, {'vpbp_dbdz'}, {'stress'} };
644 edhill 1.1
645     ifg = 1;
646     for ifg = 1:length(f_s_3d)
647    
648     acell = f_s_3d{ifg};
649     tname = acell{1};
650     disp([ ' ' tname ' :' ]);
651    
652     fname = sprintf('%s/%s',adir,tname);
653     fid = fopen(fname,'r','ieee-be');
654    
655     id = tname;
656     nc{ id } = { 'Z' 'Y' 'X' };
657     nc{ id }.missing_value = ncdouble(NaN);
658     nc{ id }.FillValue_ = ncdouble(0.0);
659    
660     ii = 1;
661     for ii = 1:length(ir)
662    
663     iz = ir(ii);
664     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
665    
666     fseek(fid,nslab*4*(iz-1),'bof');
667     tmp = fread(fid,nslab,'real*4',0,'ieee-be');
668     tr = reshape(tmp,[ 510 510 6 ]);
669     % surf(tr(:,:,1)), view(2), shading interp
670     trn = tr;
671     trn(find(tr == 0.0)) = NaN;
672     clear tmp tr
673     % v = sdac_regrid(xc360,YC,trn,lonm,latm);
674     v = ll_regrid(xc360,YC,trn,lon,lat);
675     % surf(lon,lat,v'), caxis([25 40]), view(2), shading interp, colorbar
676    
677     nc{ id }(ii,:,:) = permute(v,[2 1]);
678    
679     end
680    
681     fclose(fid);
682    
683     end
684    
685     id = 'sum_up2_vp2';
686     nc{ id } = { 'Z' 'Y' 'X' };
687     nc{ id }.missing_value = ncdouble(NaN);
688     nc{ id }.FillValue_ = ncdouble(0.0);
689     fidu = fopen(sprintf('%s/%s',adir,'up2'),'r','ieee-be');
690     fidv = fopen(sprintf('%s/%s',adir,'vp2'),'r','ieee-be');
691     for ii = 1:length(ir)
692     iz = ir(ii);
693     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
694     fseek(fidu,nslab*4*(iz-1),'bof');
695     fseek(fidv,nslab*4*(iz-1),'bof');
696     tru = reshape(fread(fidu,nslab,'real*4',0,'ieee-be'),[510 510 6]);
697     trv = reshape(fread(fidv,nslab,'real*4',0,'ieee-be'),[510 510 6]);
698     trnu = tru; trnu(find(tru == 0.0)) = NaN;
699     trnv = trv; trnv(find(trv == 0.0)) = NaN;
700     clear tmp tru trv
701     lluv = ll_regrid(xc360,YC,trnu+trnv,lon,lat);
702     nc{ id }(ii,:,:) = permute(lluv,[2 1]);
703     end
704     fclose(fidu);
705     fclose(fidv);
706    
707     f_v_3d = { {'up2','vp2'}, ...
708     {'uptp','vptp'}, {'upsp','vpsp'}, {'upbp','vpbp'} };
709     for ip = 1:length(f_v_3d)
710     cell = f_v_3d{ip};
711     idu = cell{1};
712     idv = cell{2};
713     disp([' ' idu ' ' idv]);
714     nc{ idu } = { 'Z' 'Y' 'X' };
715     nc{ idu }.missing_value = ncdouble(NaN);
716     nc{ idu }.FillValue_ = ncdouble(0.0);
717     nc{ idv } = { 'Z' 'Y' 'X' };
718     nc{ idv }.missing_value = ncdouble(NaN);
719     nc{ idv }.FillValue_ = ncdouble(0.0);
720     fidu = fopen(sprintf('%s/%s',adir,idu),'r','ieee-be');
721     fidv = fopen(sprintf('%s/%s',adir,idv),'r','ieee-be');
722     for ii = 1:length(ir)
723     iz = ir(ii);
724     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
725     fseek(fidu,nslab*4*(iz-1),'bof');
726     fseek(fidv,nslab*4*(iz-1),'bof');
727     tru = reshape(fread(fidu,nslab,'real*4',0,'ieee-be'),[510 510 6]);
728     trv = reshape(fread(fidv,nslab,'real*4',0,'ieee-be'),[510 510 6]);
729     trnu = tru; trnu(find(tru == 0.0)) = NaN;
730     trnv = trv; trnv(find(trv == 0.0)) = NaN;
731     clear tmp tru trv
732     llru = trnu .* llux + trnv .* llvx;
733     llrv = trnu .* lluy + trnv .* llvy;
734     llu = ll_regrid(xc360,YC,llru,lon,lat);
735     llv = ll_regrid(xc360,YC,llrv,lon,lat);
736     nc{ idu }(ii,:,:) = permute(llu,[2 1]);
737     nc{ idv }(ii,:,:) = permute(llv,[2 1]);
738     end
739     end
740     fclose(fidu);
741     fclose(fidv);
742     nc = close(nc);
743    
744 edhill 1.4 % === zonal and stream-wise averages ===
745     % save primes_92_04/za_llvpbp.mat llzvpbp
746     % save primes_92_04/za_ll_vpbp_dbdz.mat za_ll_vpbp_dbdz
747     % save primes_92_04/stress.mat za_stress
748     % save primes_92_04/ssha_stress.mat ssha_stress sshvals
749     load primes_92_04/za_llvpbp.mat
750     load primes_92_04/za_ll_vpbp_dbdz.mat
751     load primes_92_04/stress.mat
752     load primes_92_04/ssha_stress.mat
753 edhill 1.5
754     ssh = sshvals(1:(length(sshvals)-1)) + 0.5*diff(sshvals);
755 edhill 1.1
756 edhill 1.4 lat = [-90:90];
757     latm = lat(1:(length(lat)-1)) + 0.5*diff(lat);
758 edhill 1.1
759 edhill 1.4 % ! rm -f cube_22_zsa.nc
760     nc = netcdf(['cube_22_zsa.nc'], 'clobber');
761     nc.reference = [ 'The cube_22 zonal and stream-wise averages.' ];
762     nc.author = 'Ed Hill <eh3@mit.edu>';
763     nc.date = 'March 27, 2005';
764     nc('Y') = length(latm);
765     nc('Zc') = length(R);
766     nc('Zi') = length(Ri);
767 edhill 1.5 nc('SSH') = length(ssh);
768 edhill 1.4 nc{'Y'} = 'Y';
769     nc{'Zc'} = 'Zc';
770     nc{'Zi'} = 'Zi';
771 edhill 1.5 nc{'SSH'} = 'SSH';
772 edhill 1.4 nc{'Y'}.uniquename = 'Y';
773     nc{'Y'}.long_name = 'latitude';
774     nc{'Y'}.gridtype = ncint(0);
775     nc{'Y'}.units = 'degree_north';
776     nc{'Zc'}.uniquename = 'Zc';
777     nc{'Zc'}.long_name = 'depth_at_center';
778     nc{'Zc'}.gridtype = ncint(0);
779     nc{'Zc'}.units = 'm';
780     nc{'Zi'}.uniquename = 'Zi';
781     nc{'Zi'}.long_name = 'depth_at_interface';
782     nc{'Zi'}.gridtype = ncint(0);
783     nc{'Zi'}.units = 'm';
784 edhill 1.5 nc{'SSH'}.uniquename = 'SSH';
785     nc{'SSH'}.long_name = 'sea_surface_height';
786     nc{'SSH'}.gridtype = ncint(0);
787     nc{'SSH'}.units = 'm';
788 edhill 1.4 nc{'Y'}(:) = latm;
789     nc{'Zc'}(:) = R;
790     nc{'Zi'}(:) = Ri;
791 edhill 1.5 nc{'SSH'}(:) = ssh;
792 edhill 1.1
793 edhill 1.4 id = 'llzvpbp';
794     nc{ id } = { 'Zc' 'Y' };
795     nc{ id }.missing_value = ncdouble(NaN);
796     nc{ id }.FillValue_ = ncdouble(0.0);
797     nc{ id }(:) = permute(llzvpbp,[2 1]);
798 edhill 1.1
799 edhill 1.5 f_i = { {'za_ll_vpbp_dbdz'}, {'za_stress'} };
800 edhill 1.4 for ip = 1:length(f_i)
801     cell = f_i{ip};
802     id = cell{1};
803     disp([' ' id]);
804     nc{ id } = { 'Zi' 'Y' };
805     nc{ id }.missing_value = ncdouble(NaN);
806     nc{ id }.FillValue_ = ncdouble(0.0);
807     eval(sprintf('tmp = %s;', id));
808     nc{ id }(:) = permute(tmp,[2 1]);
809 edhill 1.1 end
810 edhill 1.5
811     id = 'ssha_stress';
812     nc{ id } = { 'Zi' 'SSH' };
813     nc{ id }.missing_value = ncdouble(NaN);
814     nc{ id }.FillValue_ = ncdouble(0.0);
815     nc{ id }(:) = permute(ssha_stress,[2 1]);
816    
817 edhill 1.4 nc = close(nc);
818 edhill 1.1
819 edhill 1.6 % surf(,,log(ssha_stress')), view(2),shading interp,colorbar
820    
821 edhill 1.5 % ! scp cube_22_primes_at1deg.nc channel.mit.edu:/home/edhill/INGRID_PEOPLE/EH3/eddy_flux/cube_22/
822     % ! scp cube_22_zsa.nc channel.mit.edu:/home/edhill/INGRID_PEOPLE/EH3/eddy_flux/cube_22/
823 edhill 1.4 % ! mv cube_22_primes_at1deg.nc primes_92_04
824 edhill 1.1

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