[83] | 1 | ;+ |
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| 2 | ; |
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| 3 | ; .. _ws_tropflux_1d_to_1m_ncdf.pro: |
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| 4 | ; |
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| 5 | ; ============================= |
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| 6 | ; ws_tropflux_1d_to_1m_ncdf.pro |
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| 7 | ; ============================= |
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| 8 | ; |
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| 9 | ; DESCRIPTION |
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| 10 | ; =========== |
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| 11 | ; |
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| 12 | ; convert wind daily file to monthly file |
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| 13 | ; |
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| 14 | ; :file:`${PROJECT_OD}/ws_tropflux_1d_1989_2010.nc` |
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| 15 | ; containing daily ++ |
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| 16 | ; has been produced by ++ |
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| 17 | ; |
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| 18 | ; Montly ++ |
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| 19 | ; is written in |
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| 20 | ; :file:`${PROJECT_OD}/ws_tropflux_1m_1989_2010.nc` |
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| 21 | ; if this file not already exists. |
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| 22 | ; |
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| 23 | ; .. graphviz:: |
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| 24 | ; |
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| 25 | ; digraph ws_tropflux_1d_to_1m_ncdf { |
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| 26 | ; |
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| 27 | ; file_1d [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/ws_tropflux_1d_1989_2010.nc"]; |
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| 28 | ; file_1m [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/ws_tropflux_1m_1989_2010.nc"]; |
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| 29 | ; |
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| 30 | ; ws_tropflux_1d_to_1m_ncdf [shape=box, |
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| 31 | ; fontname=Courier, |
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| 32 | ; color=blue, |
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| 33 | ; URL="http://forge.ipsl.jussieu.fr/tropflux/browser/trunk/src/ws_tropflux_1d_to_1m_ncdf.pro", |
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| 34 | ; label="${PROJECT}/src/ws_tropflux_1d_to_1m_ncdf.pro"]; |
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| 35 | ; |
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| 36 | ; {file_1d} -> {ws_tropflux_1d_to_1m_ncdf} -> {file_1m} |
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| 37 | ; |
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[100] | 38 | ; } |
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[83] | 39 | ; |
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| 40 | ; SEE ALSO |
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| 41 | ; ======== |
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| 42 | ; |
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| 43 | ; :ref:`project_profile.sh` |
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| 44 | ; |
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| 45 | ; EXAMPLES |
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| 46 | ; ======== |
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| 47 | ; |
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| 48 | ; :: |
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| 49 | ; |
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| 50 | ; IDL> ws_tropflux_1d_to_1m_ncdf |
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| 51 | ; |
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[95] | 52 | ; KNOWN ISSUES |
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| 53 | ; ============ |
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| 54 | ; |
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| 55 | ; test of existence of fullfilename_in not very efficient because |
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| 56 | ; MUST_EXIST keyword of :func:`isafile <saxo:isafile>` not yet implemented |
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| 57 | ; |
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[83] | 58 | ; TODO |
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| 59 | ; ==== |
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| 60 | ; |
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[95] | 61 | ; coding rules |
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[83] | 62 | ; |
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[95] | 63 | ; get rid of hard coded yyyymmdd and nb month |
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| 64 | ; |
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[83] | 65 | ; include in the whole process |
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| 66 | ; |
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| 67 | ; any NCO or CDO equivalent ? |
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| 68 | ; |
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| 69 | ; EVOLUTIONS |
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| 70 | ; ========== |
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| 71 | ; |
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| 72 | ; $Id$ |
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| 73 | ; |
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| 74 | ; $URL$ |
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| 75 | ; |
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[95] | 76 | ; - fplod 20110826T151225Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 77 | ; |
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| 78 | ; * remove hard coded creation date |
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| 79 | ; |
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[83] | 80 | ; - fplod 20110817T084001Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 81 | ; |
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| 82 | ; * usage of ${PROJECT_OD} |
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| 83 | ; * header |
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| 84 | ; |
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| 85 | ; - pk 20110815 |
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| 86 | ; |
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| 87 | ; * provided to fp |
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| 88 | ; |
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| 89 | ;- |
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[82] | 90 | pro ws_tropflux_1d_to_1m_ncdf |
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[83] | 91 | ; |
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| 92 | @cm_4cal |
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| 93 | @cm_4data |
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| 94 | @cm_4mesh |
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| 95 | @cm_4data |
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| 96 | @cm_project |
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| 97 | ; |
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| 98 | ; test if ${PROJECT_OD} defined |
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| 99 | CASE project_od_env OF |
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| 100 | '' : BEGIN |
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| 101 | msg = 'eee : ${PROJECT_OD} is not defined' |
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| 102 | ras = report(msg) |
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| 103 | STOP |
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| 104 | END |
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| 105 | ELSE: BEGIN |
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| 106 | msg = 'iii : ${PROJECT_OD} is ' + project_od_env |
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| 107 | ras = report(msg) |
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| 108 | END |
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| 109 | ENDCASE |
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| 110 | ; |
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| 111 | ; check if output data will be possible |
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| 112 | iodirout = isadirectory(project_od_env) |
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| 113 | ; |
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| 114 | ; existence and protection for reading |
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| 115 | IF (FILE_TEST(iodirout, /DIRECTORY, /EXECUTABLE, /READ) EQ 0) THEN BEGIN |
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| 116 | msg = 'eee : the directory' + iodirout + ' is not accessible.' |
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| 117 | ras = report(msg) |
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| 118 | STOP |
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| 119 | ENDIF |
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| 120 | ; |
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| 121 | ; existence and protection for writing |
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| 122 | IF (FILE_TEST(iodirout, /DIRECTORY, /WRITE) EQ 0) THEN BEGIN |
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| 123 | msg = 'eee : the directory' + iodirout + ' was not found.' |
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| 124 | ras = report(msg) |
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| 125 | STOP |
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| 126 | ENDIF |
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| 127 | ; |
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| 128 | ; build 1d filename |
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| 129 | filename="ws_tropflux_1d_1989_2010.nc" |
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| 130 | ; |
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| 131 | ; check if this file exists |
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[95] | 132 | msg='iii : looking for ' + filename |
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| 133 | ras = report(msg) |
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[83] | 134 | fullfilename = isafile(iodirout + filename, NEW=0, /MUST_EXIST) |
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| 135 | IF fullfilename[0] EQ '' THEN BEGIN |
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| 136 | msg = 'eee : the file ' + fullfilename + ' was not found.' |
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| 137 | ras = report(msg) |
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| 138 | STOP |
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| 139 | ENDIF |
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| 140 | ; |
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| 141 | ; build output filename |
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| 142 | filename_out = 'ws_tropflux_1m_1989_2010.nc' |
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| 143 | fullfilename_out = iodirout + filename_out |
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| 144 | ; in order to avoid unexpected overwritten |
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| 145 | IF (FILE_TEST(fullfilename_out) EQ 1) THEN BEGIN |
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| 146 | msg = 'eee : the file ' + fullfilename_out + ' already exists.' |
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| 147 | ras = report(msg) |
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| 148 | STOP |
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| 149 | ENDIF |
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| 150 | ; |
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| 151 | initncdf, fullfilename |
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[95] | 152 | st=19890101 |
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[94] | 153 | en=20101231 |
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[83] | 154 | ws=read_ncdf("ws", st, en, file=fullfilename,/nostr) |
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[97] | 155 | ; |
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[82] | 156 | help, ws |
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[97] | 157 | ; |
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| 158 | ; Monthly data |
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[82] | 159 | ; |
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[95] | 160 | jpt=22*12. |
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[100] | 161 | time=timegen(jpt, start=julday(1,15,1989,0), units='Months') |
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| 162 | caldat, time, m, d, y |
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| 163 | caldat, time, mon, day, yea |
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[97] | 164 | ; |
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[82] | 165 | wsm=fltarr(nxt,nyt,jpt) |
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[97] | 166 | ; |
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[82] | 167 | for jt=0,jpt-1 do begin |
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[97] | 168 | ; |
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[82] | 169 | ind=where((m eq mon(jt)) and (y eq yea(jt))) |
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| 170 | wsm(*,*,jt)=total(ws(*,*,ind),3)/n_elements(ind) |
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[97] | 171 | ; |
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[82] | 172 | endfor |
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[97] | 173 | ; |
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[82] | 174 | ;----------------------------------------------------------------------------- |
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| 175 | cda0=string(jul2date(time(0)),format='(i8.8)') |
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| 176 | cda1=string(jul2date(time(jpt-1)),format='(i8.8)') |
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| 177 | time=time-julday(1,1,1950,00,00,00) |
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[95] | 178 | xlon=reform(glamt(firstxt:lastxt,0)) |
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[94] | 179 | ylat=reform(gphit(0,firstyt:lastyt)) |
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[97] | 180 | ; |
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[83] | 181 | ncfile='!' + fullfilename_out |
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[97] | 182 | ; |
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[82] | 183 | lon_attr={units:'degrees_east',long_name:'Longitude'} |
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| 184 | lat_attr={units:'degrees_north',long_name:'Latitude'} |
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[97] | 185 | ; |
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[82] | 186 | time_attr={units:'days since 1950-01-01 00:00:00',long_name:'Time axis',time_origin:'1950-JAN-01 00:00:00'} |
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| 187 | ws_attr={units:'m/s',missing_value:1.e20,long_name:'Mean wind speed at 10m height',short_name:'ws',axis:'TYX'} |
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[97] | 188 | ; |
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[95] | 189 | creation_date=string(jul2date(SYSTIME( /JULIAN , /UTC )), format='(I8)') |
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[97] | 190 | ; |
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[95] | 191 | globattr={Source:'TropFlux - Air-Sea Fluxes for the Global Tropics' $ |
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| 192 | , Methodology:'Praveen Kumar et al., Clim. Dyn 2011' $ |
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| 193 | , Producer_Agency:'Joint research colloboration between IPSL, Paris and NIO, India' $ |
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| 194 | , Time_range:cda0+' - '+cda1 $ |
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| 195 | , Creation_date:creation_date $ |
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| 196 | , Website:'http://www.locean-ipsl.upmc.fr/tropflux/'} |
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[97] | 197 | ; |
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[82] | 198 | ncfields = 'ws[longitude,latitude,time]=wsm:ws_attr; ' $ |
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| 199 | + 'longitude[]=xlon:lon_attr; ' $ |
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| 200 | + 'latitude[]=ylat:lat_attr; ' $ |
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| 201 | + 'time[*time]=time:time_attr ' $ |
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| 202 | + ' @ globattr' |
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[97] | 203 | ; |
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[82] | 204 | @ncdf_quickwrite |
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[97] | 205 | ; |
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[82] | 206 | end |
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