[1] | 1 | function create_forcing(frcname,grdname,title,smst,... |
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| 2 | shft,swft,srft,sstt,ssst,smsc,... |
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| 3 | shfc,swfc,srfc,sstc,sssc) |
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| 4 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 5 | % |
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| 6 | % Create an empty netcdf forcing file |
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| 7 | % frcname: name of the forcing file |
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| 8 | % grdname: name of the grid file |
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| 9 | % title: title in the netcdf file |
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| 10 | % |
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| 11 | % Further Information: |
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| 12 | % http://www.brest.ird.fr/Roms_tools/ |
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| 13 | % |
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| 14 | % This file is part of ROMSTOOLS |
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| 15 | % |
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| 16 | % ROMSTOOLS is free software; you can redistribute it and/or modify |
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| 17 | % it under the terms of the GNU General Public License as published |
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| 18 | % by the Free Software Foundation; either version 2 of the License, |
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| 19 | % or (at your option) any later version. |
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| 20 | % |
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| 21 | % ROMSTOOLS is distributed in the hope that it will be useful, but |
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| 22 | % WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 23 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 24 | % GNU General Public License for more details. |
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| 25 | % |
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| 26 | % You should have received a copy of the GNU General Public License |
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| 27 | % along with this program; if not, write to the Free Software |
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| 28 | % Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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| 29 | % MA 02111-1307 USA |
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| 30 | % |
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| 31 | % Copyright (c) 2001-2006 by Pierrick Penven |
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| 32 | % e-mail:Pierrick.Penven@ird.fr |
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| 33 | % |
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| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 35 | nc=netcdf(grdname); |
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| 36 | L=length(nc('xi_psi')); |
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| 37 | M=length(nc('eta_psi')); |
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| 38 | result=close(nc); |
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| 39 | Lp=L+1; |
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| 40 | Mp=M+1; |
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| 41 | |
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| 42 | nw = netcdf(frcname, 'clobber'); |
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| 43 | result = redef(nw); |
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| 44 | |
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| 45 | % |
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| 46 | % Create dimensions |
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| 47 | % |
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| 48 | |
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| 49 | nw('xi_u') = L; |
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| 50 | nw('eta_u') = Mp; |
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| 51 | nw('xi_v') = Lp; |
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| 52 | nw('eta_v') = M; |
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| 53 | nw('xi_rho') = Lp; |
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| 54 | nw('eta_rho') = Mp; |
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| 55 | nw('xi_psi') = L; |
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| 56 | nw('eta_psi') = M; |
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| 57 | nw('sms_time') = length(smst); |
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| 58 | nw('shf_time') = length(shft); |
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| 59 | nw('swf_time') = length(swft); |
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| 60 | nw('sst_time') = length(sstt); |
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| 61 | nw('srf_time') = length(srft); |
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| 62 | nw('sss_time') = length(ssst); |
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| 63 | % |
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| 64 | % Create variables and attributes |
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| 65 | % |
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| 66 | nw{'sms_time'} = ncdouble('sms_time'); |
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| 67 | nw{'sms_time'}.long_name = ncchar('surface momentum stress time'); |
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| 68 | nw{'sms_time'}.long_name = 'surface momentum stress time'; |
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| 69 | nw{'sms_time'}.units = ncchar('days'); |
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| 70 | nw{'sms_time'}.units = 'days'; |
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| 71 | nw{'sms_time'}.cycle_length = smsc; |
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| 72 | |
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| 73 | nw{'shf_time'} = ncdouble('shf_time'); |
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| 74 | nw{'shf_time'}.long_name = ncchar('surface heat flux time'); |
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| 75 | nw{'shf_time'}.long_name = 'surface heat flux time'; |
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| 76 | nw{'shf_time'}.units = ncchar('days'); |
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| 77 | nw{'shf_time'}.units = 'days'; |
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| 78 | nw{'shf_time'}.cycle_length =shfc ; |
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| 79 | |
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| 80 | nw{'swf_time'} = ncdouble('swf_time'); |
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| 81 | nw{'swf_time'}.long_name = ncchar('surface freshwater flux time'); |
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| 82 | nw{'swf_time'}.long_name = 'surface freshwater flux time'; |
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| 83 | nw{'swf_time'}.units = ncchar('days'); |
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| 84 | nw{'swf_time'}.units = 'days'; |
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| 85 | nw{'swf_time'}.cycle_length = swfc; |
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| 86 | |
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| 87 | |
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| 88 | nw{'sst_time'} = ncdouble('sst_time'); |
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| 89 | nw{'sst_time'}.long_name = ncchar('sea surface temperature time'); |
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| 90 | nw{'sst_time'}.long_name = 'sea surface temperature time'; |
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| 91 | nw{'sst_time'}.units = ncchar('days'); |
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| 92 | nw{'sst_time'}.units = 'days'; |
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| 93 | nw{'sst_time'}.cycle_length = sstc; |
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| 94 | |
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| 95 | nw{'sss_time'} = ncdouble('sss_time'); |
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| 96 | nw{'sss_time'}.long_name = ncchar('sea surface salinity time'); |
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| 97 | nw{'sss_time'}.long_name = 'sea surface salinity time'; |
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| 98 | nw{'sss_time'}.units = ncchar('days'); |
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| 99 | nw{'sss_time'}.units = 'days'; |
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| 100 | nw{'sss_time'}.cycle_length = sssc; |
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| 101 | |
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| 102 | nw{'srf_time'} = ncdouble('srf_time'); |
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| 103 | nw{'srf_time'}.long_name = ncchar('solar shortwave radiation time'); |
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| 104 | nw{'srf_time'}.long_name = 'solar shortwave radiation time'; |
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| 105 | nw{'srf_time'}.units = ncchar('days'); |
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| 106 | nw{'srf_time'}.units = 'days'; |
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| 107 | nw{'srf_time'}.cycle_length = srfc; |
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| 108 | |
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| 109 | nw{'sustr'} = ncdouble('sms_time', 'eta_u', 'xi_u'); |
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| 110 | nw{'sustr'}.long_name = ncchar('surface u-momentum stress'); |
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| 111 | nw{'sustr'}.long_name = 'surface u-momentum stress'; |
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| 112 | nw{'sustr'}.units = ncchar('Newton meter-2'); |
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| 113 | nw{'sustr'}.units = 'Newton meter-2'; |
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| 114 | |
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| 115 | nw{'svstr'} = ncdouble('sms_time', 'eta_v', 'xi_v'); |
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| 116 | nw{'svstr'}.long_name = ncchar('surface v-momentum stress'); |
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| 117 | nw{'svstr'}.long_name = 'surface v-momentum stress'; |
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| 118 | nw{'svstr'}.units = ncchar('Newton meter-2'); |
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| 119 | nw{'svstr'}.units = 'Newton meter-2'; |
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| 120 | |
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| 121 | nw{'shflux'} = ncdouble('shf_time', 'eta_rho', 'xi_rho'); |
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| 122 | nw{'shflux'}.long_name = ncchar('surface net heat flux'); |
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| 123 | nw{'shflux'}.long_name = 'surface net heat flux'; |
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| 124 | nw{'shflux'}.units = ncchar('Watts meter-2'); |
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| 125 | nw{'shflux'}.units = 'Watts meter-2'; |
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| 126 | |
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| 127 | nw{'swflux'} = ncdouble('swf_time', 'eta_rho', 'xi_rho'); |
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| 128 | nw{'swflux'}.long_name = ncchar('surface freshwater flux (E-P)'); |
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| 129 | nw{'swflux'}.long_name = 'surface freshwater flux (E-P)'; |
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| 130 | nw{'swflux'}.units = ncchar('centimeter day-1'); |
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| 131 | nw{'swflux'}.units = 'centimeter day-1'; |
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| 132 | nw{'swflux'}.positive = ncchar('net evaporation'); |
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| 133 | nw{'swflux'}.positive = 'net evaporation'; |
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| 134 | nw{'swflux'}.negative = ncchar('net precipitation'); |
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| 135 | nw{'swflux'}.negative = 'net precipitation'; |
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| 136 | |
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| 137 | nw{'SST'} = ncdouble('sst_time', 'eta_rho', 'xi_rho'); |
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| 138 | nw{'SST'}.long_name = ncchar('sea surface temperature'); |
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| 139 | nw{'SST'}.long_name = 'sea surface temperature'; |
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| 140 | nw{'SST'}.units = ncchar('Celsius'); |
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| 141 | nw{'SST'}.units = 'Celsius'; |
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| 142 | |
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| 143 | nw{'SSS'} = ncdouble('sss_time', 'eta_rho', 'xi_rho'); |
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| 144 | nw{'SSS'}.long_name = ncchar('sea surface salinity'); |
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| 145 | nw{'SSS'}.long_name = 'sea surface salinity'; |
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| 146 | nw{'SSS'}.units = ncchar('PSU'); |
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| 147 | nw{'SSS'}.units = 'PSU'; |
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| 148 | |
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| 149 | nw{'dQdSST'} = ncdouble('sst_time', 'eta_rho', 'xi_rho'); |
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| 150 | nw{'dQdSST'}.long_name = ncchar('surface net heat flux sensitivity to SST'); |
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| 151 | nw{'dQdSST'}.long_name = 'surface net heat flux sensitivity to SST'; |
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| 152 | nw{'dQdSST'}.units = ncchar('Watts meter-2 Celsius-1'); |
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| 153 | nw{'dQdSST'}.units = 'Watts meter-2 Celsius-1'; |
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| 154 | |
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| 155 | nw{'swrad'} = ncdouble('srf_time', 'eta_rho', 'xi_rho'); |
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| 156 | nw{'swrad'}.long_name = ncchar('solar shortwave radiation'); |
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| 157 | nw{'swrad'}.long_name = 'solar shortwave radiation'; |
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| 158 | nw{'swrad'}.units = ncchar('Watts meter-2'); |
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| 159 | nw{'swrad'}.units = 'Watts meter-2'; |
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| 160 | nw{'swrad'}.positive = ncchar('downward flux, heating'); |
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| 161 | nw{'swrad'}.positive = 'downward flux, heating'; |
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| 162 | nw{'swrad'}.negative = ncchar('upward flux, cooling'); |
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| 163 | nw{'swrad'}.negative = 'upward flux, cooling'; |
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| 164 | |
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| 165 | result = endef(nw); |
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| 166 | |
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| 167 | % |
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| 168 | % Create global attributes |
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| 169 | % |
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| 170 | |
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| 171 | nw.title = ncchar(title); |
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| 172 | nw.title = title; |
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| 173 | nw.date = ncchar(date); |
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| 174 | nw.date = date; |
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| 175 | nw.grd_file = ncchar(grdname); |
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| 176 | nw.grd_file = grdname; |
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| 177 | nw.type = ncchar('ROMS forcing file'); |
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| 178 | nw.type = 'ROMS forcing file'; |
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| 179 | |
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| 180 | % |
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| 181 | % Write time variables |
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| 182 | % |
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| 183 | |
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| 184 | nw{'sms_time'}(:) = smst; |
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| 185 | nw{'shf_time'}(:) = shft; |
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| 186 | nw{'swf_time'}(:) = swft; |
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| 187 | nw{'sst_time'}(:) = sstt; |
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| 188 | nw{'srf_time'}(:) = srft; |
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| 189 | nw{'sss_time'}(:) = ssst; |
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| 190 | |
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| 191 | close(nw); |
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