1 | function getpot(clmname,grdname); |
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2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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3 | % |
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4 | % Get potential temperature of seawater from insitu |
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5 | % |
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6 | % Further Information: |
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7 | % http://www.brest.ird.fr/Roms_tools/ |
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8 | % |
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9 | % This file is part of ROMSTOOLS |
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10 | % |
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11 | % ROMSTOOLS is free software; you can redistribute it and/or modify |
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12 | % it under the terms of the GNU General Public License as published |
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13 | % by the Free Software Foundation; either version 2 of the License, |
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14 | % or (at your option) any later version. |
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15 | % |
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16 | % ROMSTOOLS is distributed in the hope that it will be useful, but |
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17 | % WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | % GNU General Public License for more details. |
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20 | % |
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21 | % You should have received a copy of the GNU General Public License |
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22 | % along with this program; if not, write to the Free Software |
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23 | % Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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24 | % MA 02111-1307 USA |
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25 | % |
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26 | % Copyright (c) 2004-2006 by Pierrick Penven |
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27 | % e-mail:Pierrick.Penven@ird.fr |
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28 | % |
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29 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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30 | % |
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31 | % open the grid file |
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32 | % |
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33 | nc=netcdf(grdname); |
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34 | h=nc{'h'}(:); |
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35 | close(nc); |
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36 | % |
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37 | % open the clim file |
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38 | % |
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39 | nc=netcdf(clmname,'write'); |
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40 | theta_s = nc{'theta_s'}(:); |
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41 | theta_b = nc{'theta_b'}(:); |
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42 | hc = nc{'hc'}(:); |
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43 | N = length(nc('s_rho')); |
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44 | tlen = length(nc('tclm_time')); |
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45 | if tlen==0 |
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46 | tlen=1; |
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47 | end |
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48 | % |
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49 | % Get the sigma depths |
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50 | % |
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51 | P=-1e-4*1025*9.81*zlevs(h,0.*h,theta_s,theta_b,hc,N,'r'); |
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52 | % |
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53 | % loop on time |
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54 | % |
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55 | for l=1:tlen |
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56 | disp([' getpot: Time index: ',num2str(l),' of total: ',num2str(tlen)]) |
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57 | T=squeeze(nc{'temp'}(l,:,:,:)); |
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58 | S=squeeze(nc{'salt'}(l,:,:,:)); |
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59 | nc{'temp'}(l,:,:,:)=theta(S,T,P); |
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60 | end |
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61 | close(nc); |
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62 | return |
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