/[MITgcm]/MITgcm_contrib/high_res_cube/eddy_flux/c22/plot_c22.m
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Revision 1.8 - (hide annotations) (download)
Wed Apr 13 20:40:28 2005 UTC (20 years, 3 months ago) by edhill
Branch: MAIN
Changes since 1.7: +12 -11 lines
 o use [UV]VELMASS -- not [UV]VEL

1 edhill 1.1 %=======================================================
2     %
3 edhill 1.8 % $Id: plot_c22.m,v 1.7 2005/04/13 19:08:16 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 edhill 1.7 % surf(v2(:,:,1)), view(2), shading interp, colorbar
316 edhill 1.1 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 edhill 1.7 nan_inds = find(t == 0.0);
347     t(nan_inds) = NaN; s(nan_inds) = NaN; b(nan_inds) = NaN;
348 edhill 1.1 [ tonu, tonv ] = mass_on_u_v(t);
349     [ sonu, sonv ] = mass_on_u_v(s);
350     [ bonu, bonv ] = mass_on_u_v(b);
351 edhill 1.8 uptp = ut - um .* tonu; vptp = vt - vm .* tonv;
352     upsp = us - um .* sonu; vpsp = vs - vm .* sonv;
353     upbp = ub - um .* bonu; vpbp = vb - vm .* bonv;
354 edhill 1.7 % surf(upbp(:,:,1)), shading interp, view(2)
355     % caxis([-0.1 0.1]), colorbar
356 edhill 1.1
357     % llupbp = upbp .* llux + vpbp .* llvx;
358     llvpbp = upbp .* lluy + vpbp .* llvy;
359     if iz > 1
360     % ave_llupbp = (llupbp + old_llupbp)/2.0;
361     ave_llvpbp = (llvpbp + old_llvpbp)/2.0;
362     tmp = drhodr;
363 edhill 1.6 % tmp(find(tmp == 0.0)) = 1.0;
364 edhill 1.1 vpbpdbdz = ave_llvpbp ./ tmp;
365     fwrite(vpbpdzid, vpbpdbdz, 'real*4');
366 edhill 1.6 % \tau_x = 2\Omega sin(\phi) = 4\pi*sin(\phi)/(24*3600)
367     fac = 1000 * 4*pi/(24*3600);
368 edhill 1.1 stress = fac * sin(pi*YC/180) .* vpbpdbdz;
369     fwrite(str___id, stress, 'real*4');
370     end
371     % old_llupbp = llupbp;
372     old_llvpbp = llvpbp;
373    
374     fwrite(uptp__id, uptp, 'real*4');
375     fwrite(vptp__id, vptp, 'real*4');
376     fwrite(upsp__id, upsp, 'real*4');
377     fwrite(vpsp__id, vpsp, 'real*4');
378     fwrite(upbp__id, upbp, 'real*4');
379     fwrite(vpbp__id, vpbp, 'real*4');
380     clear uptp vptp upsp vpsp upbp vpbp vpbpdbdz
381     wt = readslab(wt_id,nslab,ne); wptp = wt - wmp05 .* t;
382     ws = readslab(ws_id,nslab,ne); wpsp = ws - wmp05 .* s;
383     wb = readslab(wb_id,nslab,ne); wpbp = wb - wmp05 .* b;
384     fwrite(wptp__id, wptp, 'real*4');
385     fwrite(wpsp__id, wpsp, 'real*4');
386     fwrite(wpbp__id, wpbp, 'real*4');
387     end
388    
389     ne = 510;
390     nz = 1;
391     nr = 50;
392     nrm1 = nr - 1;
393     nlat = 181; nlatm1 = nlat - 1;
394     % save indicies for zonal averages
395     hvals = linspace(-90,90,nlat);
396     i = 2;
397     for i = 2:nlat
398     inds = find(hvals(i-1)<YC & YC<hvals(i));
399     comm = sprintf('inds%04d = uint32(inds);',i-1);
400     eval(comm);
401     end
402    
403     comm = [ 'reshape(fread( id ,nslab,''real*4'',0,' ...
404     '''ieee-be''),[ne ne 6]);' ];
405     readcubelev = inline(comm,'id','nslab','ne');
406    
407     % Zonally average the ll_vpbp
408 edhill 1.8 clear acc num
409 edhill 1.1 acc = zeros(nlatm1, nrm1);
410     num = zeros(size(acc));
411     zidu = fopen('primes_92_04/upbp', 'r', 'ieee-be');
412     zidv = fopen('primes_92_04/vpbp', 'r', 'ieee-be');
413     for iz = 1:50,
414     disp(sprintf('iz = %d',iz));
415     fseek(zidu, (iz - 1)*(ne*ne*6)*4, 'bof');
416     fseek(zidv, (iz - 1)*(ne*ne*6)*4, 'bof');
417     upbp = readcubelev(zidu,nslab,ne);
418 edhill 1.2 vpbp = readcubelev(zidv,nslab,ne);
419     llupbp = upbp .* llux + vpbp .* llvx;
420 edhill 1.1 llvpbp = upbp .* lluy + vpbp .* llvy;
421 edhill 1.8 % surf(llupbp(:,:,1)), view(2), shading interp, caxis([-.02 .02])
422     % surf(llvpbp(:,:,1)), view(2), shading interp, caxis([-.02 .02])
423 edhill 1.1 for jj = 1:nlatm1
424     eval( sprintf('clear inds; inds = inds%04d;',jj) );
425     tmp = llvpbp(inds);
426 edhill 1.8 % nzinds = find(tmp ~= 0.0);
427     finds = find(isfinite(tmp));
428     num(jj,iz) = length(finds);
429     acc(jj,iz) = sum(tmp(finds));
430 edhill 1.1 end
431     end
432     fclose(zidu);
433     fclose(zidv);
434     llzvpbp = acc ./ num;
435 edhill 1.8 % surf(flipud(llzvpbp')), view(2), shading interp, caxis([-.1 .1])
436 edhill 1.4 % ! rm -f primes_92_04/za_llvpbp.mat
437     % save primes_92_04/za_llvpbp.mat llzvpbp
438 edhill 1.1
439     % zonally average ll_vpbp_dbdz
440     acc = zeros(nlatm1, nrm1);
441     num = zeros(size(acc));
442     zid = fopen('primes_92_04/vpbp_dbdz', 'r', 'ieee-be');
443     iz = 1;
444     for iz = 1:49,
445     disp(sprintf('iz = %d',iz));
446     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
447     vpbpdbdz = readcubelev(zid,nslab,ne);
448     % surf(vpbpdbdz(:,:,1)), view(2), shading interp, caxis([-50 50])
449     for jj = 1:nlatm1
450     eval( sprintf('clear inds; inds = inds%04d;',jj) );
451     tmp = vpbpdbdz(inds);
452     nzinds = find(tmp ~= 0.0);
453     num(jj,iz) = length(nzinds);
454     acc(jj,iz) = sum(tmp(nzinds));
455     end
456     end
457     fclose(zid);
458     za_ll_vpbp_dbdz = acc ./ num;
459 edhill 1.4 % ! rm -f primes_92_04/za_ll_vpbp_dbdz.mat
460 edhill 1.1 % save primes_92_04/za_ll_vpbp_dbdz.mat za_ll_vpbp_dbdz
461    
462     % zonally average stress
463     acc = zeros(nlatm1, nrm1);
464     num = zeros(size(acc));
465     zid = fopen('primes_92_04/stress', 'r', 'ieee-be');
466     iz = 1;
467     for iz = 1:49,
468     disp(sprintf('iz = %d',iz));
469     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
470     stress = readcubelev(zid,nslab,ne);
471     for jj = 1:nlatm1
472     eval( sprintf('clear inds; inds = inds%04d;',jj) );
473     tmp = stress(inds);
474     nzinds = find(tmp ~= 0.0);
475     num(jj,iz) = length(nzinds);
476     acc(jj,iz) = sum(tmp(nzinds));
477     end
478     end
479     fclose(zid);
480 edhill 1.3 za_stress = acc ./ num;
481 edhill 1.4 % ! rm -f primes_92_04/stress.mat
482 edhill 1.3 % save primes_92_04/stress.mat za_stress
483 edhill 1.1
484 edhill 1.3 % Average the stress over SSH-contours (streamlines)
485 edhill 1.6 clear num acc
486 edhill 1.3 eta_id = fopen('ave_1992-2004/ETAN.ave', 'r', 'ieee-be');
487     comm = [ 'permute(reshape(fread( id ,nslab,''real*4'',0,' ...
488     '''ieee-be''),[ne 6 ne]),[1 3 2]);' ];
489     readslab = inline(comm,'id','nslab','ne');
490     etan = readslab(eta_id,nslab,ne);
491     fclose(eta_id);
492     % surf(YC(:,:,1)'), view(2),shading interp,colorbar
493     % surf(etan(:,:,1)'), view(2),shading interp,colorbar
494     nssh = 50;
495     sshvals = linspace(-2.3,1.2,nssh);
496     i = 2;
497     for i = 2:nssh
498     inds = find(sshvals(i-1)<etan & etan<sshvals(i) & YC<-20);
499     comm = sprintf('sshinds%04d = uint32(inds);',i-1);
500     eval(comm);
501     end
502     zid = fopen('primes_92_04/stress', 'r', 'ieee-be');
503     iz = 1;
504     for iz = 1:49,
505     disp(sprintf('iz = %d',iz));
506     fseek(zid, (iz - 1)*(ne*ne*6)*4, 'bof');
507     stress = readcubelev(zid,nslab,ne);
508     for jj = 1:(nssh-1)
509     eval( sprintf('clear inds; inds = sshinds%04d;',jj) );
510     tmp = stress(inds);
511     nzinds = find(tmp ~= 0.0);
512     num(jj,iz) = length(nzinds);
513     acc(jj,iz) = sum(tmp(nzinds));
514     end
515     end
516     fclose(zid);
517     ssha_stress = acc ./ num;
518     % surf(log(ssha_stress')), view(2),shading interp,colorbar
519 edhill 1.4 % ! rm -f primes_92_04/ssha_stress.mat
520     % save primes_92_04/ssha_stress.mat ssha_stress sshvals
521 edhill 1.2
522 edhill 1.1
523     clear all
524     close all
525    
526     %==================================================================
527     % Read the tile00?.mitgrid files
528     gvars = { 'XC','YC','DXF','DYF','RA','XG','YG','DXV', ...
529     'DYU','RAZ','DXC','DYC','RAW','RAS','DXG','DYG' };
530    
531     ne = 510;
532     nep1 = ne + 1;
533     iface = 1;
534     for iface = 1:6
535     fname = sprintf('grid/tile%03d.mitgrid', iface);
536     gid = fopen(fname, 'r', 'ieee-be');
537     tmp = reshape(fread(gid,inf,'real*8',0,'ieee-be'),[nep1,nep1,16]);
538     fclose(gid);
539     % surf(tmp(:,:,1)), view(2), shading interp
540     % for jj = 1:length(gvars)
541     for jj = 1:7
542     comm = sprintf('%s(:,:,%d) = tmp(:,:,%d);', ...
543     [gvars{jj}], iface, jj);
544     eval(comm);
545     end
546     end
547     % surf(XC(:,:,1)), view(2), shading interp
548     % subplot(2,1,1), a = [1:10]; surf(XC(a,a,1)), view(2)
549     % subplot(2,1,2), a = [(nep1-10):nep1]; surf(XC(a,a,1)), view(2)
550     % surf(YC(:,:,1)), view(2), shading interp
551     % surf(XG(:,:,1)), view(2), shading interp
552     % surf(YG(:,:,1)), view(2), shading interp
553     is = [1:ne];
554     vs = { 'XC','YC','DXF','DYF','RA' };
555     for i = 1:length(vs)
556     eval(sprintf('%s = %s(is,is,:);',vs{i},vs{i}));
557     end
558    
559     delR = [ ...
560     10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.00, 10.01, ...
561     10.03, 10.11, 10.32, 10.80, 11.76, 13.42, 16.04 , 19.82, 24.85, ...
562     31.10, 38.42, 46.50, 55.00, 63.50, 71.58, 78.90, 85.15, 90.18, ...
563     93.96, 96.58, 98.25, 99.25,100.01,101.33,104.56,111.33,122.83, ...
564     139.09,158.94,180.83,203.55,226.50,249.50,272.50,295.50,318.50, ...
565     341.50,364.50,387.50,410.50,433.50,456.50 ];
566     R = cumsum(delR) - 0.5*delR;
567 edhill 1.4 Ri = R(1:(length(R)-1)) ...
568     + 0.25*delR(1:(length(R)-1)) + 0.25*delR(2:(length(R)));
569    
570 edhill 1.1 n1 = ne - 1;
571     dux = zeros(size(XC));
572     duy = zeros(size(XC));
573     dvx = zeros(size(XC));
574     dvy = zeros(size(XC));
575     dux(:,:,:) = diff(XG(:,1:ne,:),1,1);
576     dvx(:,:,:) = diff(XG(1:ne,:,:),1,2);
577     duy(:,:,:) = diff(YG(:,1:ne,:),1,1);
578     dvy(:,:,:) = diff(YG(1:ne,:,:),1,2);
579     dux = dux + 360*double(dux < 180);
580     dux = dux - 360*double(dux > 180); % [ min(min(dux)) max(max(dux)) ]
581     duy = duy + 360*double(duy < 180);
582     duy = duy - 360*double(duy > 180); % [ min(min(duy)) max(max(duy)) ]
583     dvx = dvx + 360*double(dvx < 180);
584     dvx = dvx - 360*double(dvx > 180); % [ min(min(dvx)) max(max(dvx)) ]
585     dvy = dvy + 360*double(dvy < 180);
586     dvy = dvy - 360*double(dvy > 180); % [ min(min(dvy)) max(max(dvy)) ]
587     llux = dux ./ sqrt(dux.^2 + duy.^2);
588     lluy = duy ./ sqrt(dux.^2 + duy.^2);
589     llvx = dvx ./ sqrt(dvx.^2 + dvy.^2);
590     llvy = dvy ./ sqrt(dvx.^2 + dvy.^2);
591    
592     %==================================================================
593     % Project fields to lower-res 1-degree Lat-Lon and write
594     % as NetCDF for viewing with Ingrid
595     %
596     ne = 510;
597     nf = 6;
598     nz = 50;
599     nslab = ne*ne*nf;
600     adir = 'primes_92_04';
601     lat = [-90:90];
602     lon = [0:360];
603 edhill 1.2 ir = [ 1 2 3 5 10 15 20 25 30 35 40 ];
604 edhill 1.1 xc360 = XC + 180;
605    
606 edhill 1.2 % ! rm -f cube_22_primes_at1deg.nc
607     nc = netcdf(['cube_22_primes_at1deg.nc'], 'clobber');
608     nc.reference = [ 'The cube_22 primes from Dimitris Menemenlis' ...
609     ' regridded to 1-deg Lat-Lon' ];
610 edhill 1.1 nc.author = 'Ed Hill <eh3@mit.edu>';
611 edhill 1.2 nc.date = 'March 27, 2005';
612 edhill 1.1 nc('X') = length(lon);
613     nc('Y') = length(lat);
614     nc('Z') = length(ir);
615 edhill 1.4 nc('Zc') = length(R);
616     nc('Zi') = length(Ri);
617 edhill 1.1 nc{'X'} = 'X';
618     nc{'Y'} = 'Y';
619     nc{'Z'} = 'Z';
620 edhill 1.4 nc{'Zc'} = 'Zc';
621     nc{'Zi'} = 'Zi';
622 edhill 1.1 nc{'X'}.uniquename = 'X';
623     nc{'X'}.long_name = 'longitude';
624     nc{'X'}.gridtype = ncint(1);
625     nc{'X'}.units = 'degree_east';
626     nc{'Y'}.uniquename = 'Y';
627     nc{'Y'}.long_name = 'latitude';
628     nc{'Y'}.gridtype = ncint(0);
629     nc{'Y'}.units = 'degree_north';
630     nc{'Z'}.uniquename = 'Z';
631     nc{'Z'}.long_name = 'depth';
632     nc{'Z'}.gridtype = ncint(0);
633     nc{'Z'}.units = 'm';
634 edhill 1.4 nc{'Zc'}.uniquename = 'Zc';
635     nc{'Zc'}.long_name = 'depth_at_center';
636     nc{'Zc'}.gridtype = ncint(0);
637     nc{'Zc'}.units = 'm';
638     nc{'Zi'}.uniquename = 'Zi';
639     nc{'Zi'}.long_name = 'depth_at_interface';
640     nc{'Zi'}.gridtype = ncint(0);
641     nc{'Zi'}.units = 'm';
642 edhill 1.1 nc{'X'}(:) = lon;
643     nc{'Y'}(:) = lat;
644     nc{'Z'}(:) = R(ir);
645 edhill 1.4 nc{'Zc'}(:) = R;
646     nc{'Zi'}(:) = Ri;
647    
648     f_s_3d = { {'tp2'}, {'sp2'}, {'bp2'}, {'vpbp_dbdz'}, {'stress'} };
649 edhill 1.1
650     ifg = 1;
651     for ifg = 1:length(f_s_3d)
652    
653     acell = f_s_3d{ifg};
654     tname = acell{1};
655     disp([ ' ' tname ' :' ]);
656    
657     fname = sprintf('%s/%s',adir,tname);
658     fid = fopen(fname,'r','ieee-be');
659    
660     id = tname;
661     nc{ id } = { 'Z' 'Y' 'X' };
662     nc{ id }.missing_value = ncdouble(NaN);
663     nc{ id }.FillValue_ = ncdouble(0.0);
664    
665     ii = 1;
666     for ii = 1:length(ir)
667    
668     iz = ir(ii);
669     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
670    
671     fseek(fid,nslab*4*(iz-1),'bof');
672     tmp = fread(fid,nslab,'real*4',0,'ieee-be');
673     tr = reshape(tmp,[ 510 510 6 ]);
674     % surf(tr(:,:,1)), view(2), shading interp
675     trn = tr;
676     trn(find(tr == 0.0)) = NaN;
677     clear tmp tr
678     % v = sdac_regrid(xc360,YC,trn,lonm,latm);
679     v = ll_regrid(xc360,YC,trn,lon,lat);
680     % surf(lon,lat,v'), caxis([25 40]), view(2), shading interp, colorbar
681    
682     nc{ id }(ii,:,:) = permute(v,[2 1]);
683    
684     end
685    
686     fclose(fid);
687    
688     end
689    
690     id = 'sum_up2_vp2';
691     nc{ id } = { 'Z' 'Y' 'X' };
692     nc{ id }.missing_value = ncdouble(NaN);
693     nc{ id }.FillValue_ = ncdouble(0.0);
694     fidu = fopen(sprintf('%s/%s',adir,'up2'),'r','ieee-be');
695     fidv = fopen(sprintf('%s/%s',adir,'vp2'),'r','ieee-be');
696     for ii = 1:length(ir)
697     iz = ir(ii);
698     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
699     fseek(fidu,nslab*4*(iz-1),'bof');
700     fseek(fidv,nslab*4*(iz-1),'bof');
701     tru = reshape(fread(fidu,nslab,'real*4',0,'ieee-be'),[510 510 6]);
702     trv = reshape(fread(fidv,nslab,'real*4',0,'ieee-be'),[510 510 6]);
703     trnu = tru; trnu(find(tru == 0.0)) = NaN;
704     trnv = trv; trnv(find(trv == 0.0)) = NaN;
705     clear tmp tru trv
706     lluv = ll_regrid(xc360,YC,trnu+trnv,lon,lat);
707     nc{ id }(ii,:,:) = permute(lluv,[2 1]);
708     end
709     fclose(fidu);
710     fclose(fidv);
711    
712     f_v_3d = { {'up2','vp2'}, ...
713     {'uptp','vptp'}, {'upsp','vpsp'}, {'upbp','vpbp'} };
714     for ip = 1:length(f_v_3d)
715     cell = f_v_3d{ip};
716     idu = cell{1};
717     idv = cell{2};
718     disp([' ' idu ' ' idv]);
719     nc{ idu } = { 'Z' 'Y' 'X' };
720     nc{ idu }.missing_value = ncdouble(NaN);
721     nc{ idu }.FillValue_ = ncdouble(0.0);
722     nc{ idv } = { 'Z' 'Y' 'X' };
723     nc{ idv }.missing_value = ncdouble(NaN);
724     nc{ idv }.FillValue_ = ncdouble(0.0);
725     fidu = fopen(sprintf('%s/%s',adir,idu),'r','ieee-be');
726     fidv = fopen(sprintf('%s/%s',adir,idv),'r','ieee-be');
727     for ii = 1:length(ir)
728     iz = ir(ii);
729     disp(sprintf(' iz = %3d R(iz) = %g',iz,R(iz)));
730     fseek(fidu,nslab*4*(iz-1),'bof');
731     fseek(fidv,nslab*4*(iz-1),'bof');
732     tru = reshape(fread(fidu,nslab,'real*4',0,'ieee-be'),[510 510 6]);
733     trv = reshape(fread(fidv,nslab,'real*4',0,'ieee-be'),[510 510 6]);
734     trnu = tru; trnu(find(tru == 0.0)) = NaN;
735     trnv = trv; trnv(find(trv == 0.0)) = NaN;
736     clear tmp tru trv
737     llru = trnu .* llux + trnv .* llvx;
738     llrv = trnu .* lluy + trnv .* llvy;
739     llu = ll_regrid(xc360,YC,llru,lon,lat);
740     llv = ll_regrid(xc360,YC,llrv,lon,lat);
741     nc{ idu }(ii,:,:) = permute(llu,[2 1]);
742     nc{ idv }(ii,:,:) = permute(llv,[2 1]);
743     end
744     end
745     fclose(fidu);
746     fclose(fidv);
747     nc = close(nc);
748    
749 edhill 1.4 % === zonal and stream-wise averages ===
750     % save primes_92_04/za_llvpbp.mat llzvpbp
751     % save primes_92_04/za_ll_vpbp_dbdz.mat za_ll_vpbp_dbdz
752     % save primes_92_04/stress.mat za_stress
753     % save primes_92_04/ssha_stress.mat ssha_stress sshvals
754     load primes_92_04/za_llvpbp.mat
755     load primes_92_04/za_ll_vpbp_dbdz.mat
756     load primes_92_04/stress.mat
757     load primes_92_04/ssha_stress.mat
758 edhill 1.5
759     ssh = sshvals(1:(length(sshvals)-1)) + 0.5*diff(sshvals);
760 edhill 1.1
761 edhill 1.4 lat = [-90:90];
762     latm = lat(1:(length(lat)-1)) + 0.5*diff(lat);
763 edhill 1.1
764 edhill 1.4 % ! rm -f cube_22_zsa.nc
765     nc = netcdf(['cube_22_zsa.nc'], 'clobber');
766     nc.reference = [ 'The cube_22 zonal and stream-wise averages.' ];
767     nc.author = 'Ed Hill <eh3@mit.edu>';
768     nc.date = 'March 27, 2005';
769     nc('Y') = length(latm);
770     nc('Zc') = length(R);
771     nc('Zi') = length(Ri);
772 edhill 1.5 nc('SSH') = length(ssh);
773 edhill 1.4 nc{'Y'} = 'Y';
774     nc{'Zc'} = 'Zc';
775     nc{'Zi'} = 'Zi';
776 edhill 1.5 nc{'SSH'} = 'SSH';
777 edhill 1.4 nc{'Y'}.uniquename = 'Y';
778     nc{'Y'}.long_name = 'latitude';
779     nc{'Y'}.gridtype = ncint(0);
780     nc{'Y'}.units = 'degree_north';
781     nc{'Zc'}.uniquename = 'Zc';
782     nc{'Zc'}.long_name = 'depth_at_center';
783     nc{'Zc'}.gridtype = ncint(0);
784     nc{'Zc'}.units = 'm';
785     nc{'Zi'}.uniquename = 'Zi';
786     nc{'Zi'}.long_name = 'depth_at_interface';
787     nc{'Zi'}.gridtype = ncint(0);
788     nc{'Zi'}.units = 'm';
789 edhill 1.5 nc{'SSH'}.uniquename = 'SSH';
790     nc{'SSH'}.long_name = 'sea_surface_height';
791     nc{'SSH'}.gridtype = ncint(0);
792     nc{'SSH'}.units = 'm';
793 edhill 1.4 nc{'Y'}(:) = latm;
794     nc{'Zc'}(:) = R;
795     nc{'Zi'}(:) = Ri;
796 edhill 1.5 nc{'SSH'}(:) = ssh;
797 edhill 1.1
798 edhill 1.4 id = 'llzvpbp';
799     nc{ id } = { 'Zc' 'Y' };
800     nc{ id }.missing_value = ncdouble(NaN);
801     nc{ id }.FillValue_ = ncdouble(0.0);
802     nc{ id }(:) = permute(llzvpbp,[2 1]);
803 edhill 1.1
804 edhill 1.5 f_i = { {'za_ll_vpbp_dbdz'}, {'za_stress'} };
805 edhill 1.4 for ip = 1:length(f_i)
806     cell = f_i{ip};
807     id = cell{1};
808     disp([' ' id]);
809     nc{ id } = { 'Zi' 'Y' };
810     nc{ id }.missing_value = ncdouble(NaN);
811     nc{ id }.FillValue_ = ncdouble(0.0);
812     eval(sprintf('tmp = %s;', id));
813     nc{ id }(:) = permute(tmp,[2 1]);
814 edhill 1.1 end
815 edhill 1.5
816     id = 'ssha_stress';
817     nc{ id } = { 'Zi' 'SSH' };
818     nc{ id }.missing_value = ncdouble(NaN);
819     nc{ id }.FillValue_ = ncdouble(0.0);
820     nc{ id }(:) = permute(ssha_stress,[2 1]);
821    
822 edhill 1.4 nc = close(nc);
823 edhill 1.1
824 edhill 1.6 % surf(,,log(ssha_stress')), view(2),shading interp,colorbar
825    
826 edhill 1.5 % ! scp cube_22_primes_at1deg.nc channel.mit.edu:/home/edhill/INGRID_PEOPLE/EH3/eddy_flux/cube_22/
827     % ! scp cube_22_zsa.nc channel.mit.edu:/home/edhill/INGRID_PEOPLE/EH3/eddy_flux/cube_22/
828 edhill 1.4 % ! mv cube_22_primes_at1deg.nc primes_92_04
829 edhill 1.1

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