[6] | 1 | ;+ |
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| 2 | ; |
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| 3 | ; .. _TropFlux_swr_DT_19890101_20071231.pro: |
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| 4 | ; |
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| 5 | ; ===================================== |
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| 6 | ; TropFlux_swr_DT_19890101_20071231.pro |
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| 7 | ; ===================================== |
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| 8 | ; |
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[81] | 9 | ; DESCRIPTION |
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| 10 | ; =========== |
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[6] | 11 | ; |
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[81] | 12 | ; Correction of swr delay time on OAFLUX grid |
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| 13 | ; |
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| 14 | ; :file:`${PROJECT_OD}/swr_oafluxgrid_1985_2007.nc` |
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| 15 | ; have been produced ++by pk |
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| 16 | ; |
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| 17 | ; Corrected swr delay on OAFLUX grid |
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| 18 | ; is written in |
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| 19 | ; :file:`${PROJECT_OD}/TropFlux_swr_19890101_20071231_DT.nc` |
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| 20 | ; if this file not already exists. |
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| 21 | ; |
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| 22 | ; This file will be used by :ref:`TropFlux_swr_BLND_19890101_20091231.pro`. |
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| 23 | ; |
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[8] | 24 | ; .. graphviz:: |
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| 25 | ; |
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[74] | 26 | ; digraph tropflux_swr_dt_19890101_20071231 { |
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[8] | 27 | ; |
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[81] | 28 | ; file_in [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/swr_oafluxgrid_1985_2007.nc"]; |
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| 29 | ; file_out [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/TropFlux_swr_19890101_20071231_DT.nc"]; |
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[8] | 30 | ; |
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[74] | 31 | ; tropflux_swr_dt_19890101_20071231 [shape=box, |
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[8] | 32 | ; fontname=Courier, |
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| 33 | ; color=blue, |
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| 34 | ; URL="http://forge.ipsl.jussieu.fr/tropflux/browser/trunk/src/TropFlux_swr_DT_19890101_20071231.pro", |
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[50] | 35 | ; label="${PROJECT}/src/TropFlux_swr_DT_19890101_20071231.pro"]; |
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[8] | 36 | ; |
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[81] | 37 | ; {file_in}-> {tropflux_swr_dt_19890101_20071231} -> {file_out} |
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[8] | 38 | ; |
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| 39 | ; } |
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| 40 | ; |
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[6] | 41 | ; SEE ALSO |
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| 42 | ; ======== |
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| 43 | ; |
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[81] | 44 | ; :ref:`project_profile.sh` |
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| 45 | ; |
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| 46 | ; :ref:`mooring_corrections` |
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| 47 | ; |
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| 48 | ; :ref:`data_in_swr` |
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| 49 | ; |
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[20] | 50 | ; :func:`initncdf <saxo:initncdf>` |
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| 51 | ; :func:`read_ncdf <saxo:read_ncdf>` |
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| 52 | ; :func:`grossemoyenne <saxo:grossemoyenne>` |
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| 53 | ; :func:`julday <saxo:julday>` |
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| 54 | ; :func:`caldat <saxo:caldat>` |
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| 55 | ; :func:`ncdf_quickwrite <saxo:ncdf_quickwrite>` |
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| 56 | ; |
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[6] | 57 | ; EXAMPLES |
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| 58 | ; ======== |
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| 59 | ; |
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| 60 | ; :: |
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| 61 | ; |
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[81] | 62 | ; IDL> .compile TropFlux_swr_DT_19890101_20071231 |
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[6] | 63 | ; IDL> tropflux_swr_dt_19890101_20071231 |
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| 64 | ; |
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| 65 | ; TODO |
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| 66 | ; ==== |
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| 67 | ; |
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[81] | 68 | ; NaNf values in ouptut file while 1.e20 in input file !! |
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[6] | 69 | ; |
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| 70 | ; coding rules |
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| 71 | ; |
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[81] | 72 | ; why compile is needed ? uppercase in file name |
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[78] | 73 | ; |
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[81] | 74 | ; any way change the name to swr_dt_correction_ndcf.pro |
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| 75 | ; to homogenize names of tools |
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| 76 | ; |
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| 77 | ; use the output of concat_swr.sh to be written. |
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| 78 | ; now use swr_oafluxgrid_1985_2007.nc provided by pk 20110811 |
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| 79 | ; |
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| 80 | ; KNOWN ISSUES |
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| 81 | ; ============ |
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| 82 | ; |
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| 83 | ; test of existence of fullfilename not very efficient because |
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| 84 | ; MUST_EXIST keyword of :func:`isafile <saxo:isafile>` not yet implemented |
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| 85 | ; |
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[6] | 86 | ; EVOLUTIONS |
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| 87 | ; ========== |
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| 88 | ; |
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[81] | 89 | ; $Id$ |
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| 90 | ; |
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| 91 | ; $URL$ |
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| 92 | ; |
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| 93 | ; - fplod 20110812T073138Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 94 | ; |
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| 95 | ; * usage of ${PROJECT_OD} |
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| 96 | ; * complete description |
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| 97 | ; * remove v50 in output filename |
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| 98 | ; |
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[8] | 99 | ; - fplod 20101215T091726Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 100 | ; |
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| 101 | ; * add graph in header |
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| 102 | ; |
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[6] | 103 | ; - fplod 20101214T093615Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 104 | ; |
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| 105 | ; * minimal header |
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| 106 | ; |
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| 107 | ; - pbk 2008 |
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| 108 | ; |
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| 109 | ; * creation |
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| 110 | ; |
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| 111 | ;- |
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[5] | 112 | pro TropFlux_swr_DT_19890101_20071231 |
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[81] | 113 | ; |
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| 114 | @cm_4cal |
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| 115 | @cm_4data |
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| 116 | @cm_4mesh |
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| 117 | @cm_4data |
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| 118 | @cm_project |
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| 119 | ; |
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| 120 | ; test if ${PROJECT_OD} defined |
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| 121 | CASE project_od_env OF |
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| 122 | '' : BEGIN |
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| 123 | msg = 'eee : ${PROJECT_OD} is not defined' |
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| 124 | ras = report(msg) |
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| 125 | STOP |
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| 126 | END |
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| 127 | ELSE: BEGIN |
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| 128 | msg = 'iii : ${PROJECT_OD} is ' + project_od_env |
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| 129 | ras = report(msg) |
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| 130 | END |
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| 131 | ENDCASE |
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| 132 | ; |
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| 133 | ; check if output data will be possible |
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| 134 | iodirout = isadirectory(project_od_env) |
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| 135 | ; |
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| 136 | ; existence and protection for reading |
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| 137 | IF (FILE_TEST(iodirout, /DIRECTORY, /EXECUTABLE, /READ) EQ 0) THEN BEGIN |
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| 138 | msg = 'eee : the directory' + iodirout + ' is not accessible.' |
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| 139 | ras = report(msg) |
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| 140 | STOP |
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| 141 | ENDIF |
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| 142 | ; |
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| 143 | ; existence and protection for writing |
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| 144 | IF (FILE_TEST(iodirout, /DIRECTORY, /WRITE) EQ 0) THEN BEGIN |
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| 145 | msg = 'eee : the directory' + iodirout + ' was not found.' |
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| 146 | ras = report(msg) |
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| 147 | STOP |
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| 148 | ENDIF |
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| 149 | ; |
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| 150 | ; build data filename |
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| 151 | filename='swr_oafluxgrid_1985_2007.nc' |
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| 152 | ; |
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| 153 | ; check if this file exists |
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| 154 | msg='iii : looking for ' + filename |
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| 155 | ras = report(msg) |
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| 156 | fullfilename = isafile(iodirout + filename, NEW=0, /MUST_EXIST) |
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| 157 | IF fullfilename[0] EQ '' THEN BEGIN |
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| 158 | msg = 'eee : the file ' + fullfilename + ' was not found.' |
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| 159 | ras = report(msg) |
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| 160 | STOP |
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| 161 | ENDIF |
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| 162 | ; |
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| 163 | ; build output filename |
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| 164 | filename_out = 'TropFlux_swr_19890101_20071231_DT.nc' |
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| 165 | fullfilename_out = iodirout + filename_out |
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| 166 | ; in order to avoid unexpected overwritten |
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| 167 | IF (FILE_TEST(fullfilename_out) EQ 1) THEN BEGIN |
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| 168 | msg = 'eee : the file ' + fullfilename_out + ' already exists.' |
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| 169 | ras = report(msg) |
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| 170 | STOP |
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| 171 | ENDIF |
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| 172 | ; |
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| 173 | initncdf, filename |
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[5] | 174 | |
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[81] | 175 | sw=read_ncdf("swr", 19890101, 20071231, file=filename,/nostr) |
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[5] | 176 | help, sw |
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| 177 | |
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| 178 | sw_mean=grossemoyenne(sw, 't',/nan) |
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| 179 | help, sw_mean |
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| 180 | |
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| 181 | tt=time & jpt=n_elements(time) |
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| 182 | caldat, time,mon,day,yea |
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| 183 | sw_m=sw*0. & sw_bias=sw*0. |
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| 184 | |
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| 185 | for jt=0,jpt-1 do begin |
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| 186 | jtt=(time(jt)-julday(1,1,yea(jt))) < 364 |
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| 187 | swr=reform(sw_mean(*,*)) |
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| 188 | sw_m(*,*,jt)=swr |
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| 189 | sw_bias(*,*,jt)=(((swr-295.4)*18.36/(200.-295.4)) > 0.) < 18.37 |
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| 190 | endfor |
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| 191 | |
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| 192 | help, sw_m, sw_bias |
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| 193 | swa=sw-sw_m |
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| 194 | swa=swa/(0.901273) ;; variability correction (seasonal_cycle_swr_isccp.pro) |
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| 195 | |
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| 196 | swr=sw_m+swa-sw_bias ;; new swr, corrected for bias and variability |
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| 197 | ;writing field |
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| 198 | ;time=julday(1,1,1989)+lindgen(7670) |
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| 199 | cda0=string(jul2date(tt(0)),format='(i8.8)') |
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| 200 | cda1=string(jul2date(tt(jpt-1)),format='(i8.8)') |
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| 201 | |
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| 202 | lat=reform(gphit(0,0:jpj-1)) |
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| 203 | lon=reform(glamt(0:jpi-1,0)) |
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| 204 | time=time-julday(1,1,1950) & jpt=n_elements(time) |
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| 205 | |
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[81] | 206 | ncfile='!' + fullfilename_out |
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[5] | 207 | lon_attr={units:'degrees_east',long_name:'Longitude'} |
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| 208 | lat_attr={units:'degrees_north',long_name:'Latitude'} |
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| 209 | 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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| 210 | sw_attr={units:'w/m^2',missing_value:1.e20,long_name:'Net Shortwave Radiation',short_name:'swr',axis:'TYX'} |
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| 211 | globattr={source:'Obtained from ISCCP. Corrections has been done on mean bias and variability',timerange:cda0+' - '+cda1} |
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| 212 | |
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| 213 | ncfields = 'swr[longitude,latitude,time]=swr:sw_attr; ' $ |
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| 214 | + 'longitude[]=lon:lon_attr; ' $ |
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| 215 | + 'latitude[]=lat:lat_attr; ' $ |
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| 216 | + 'time[*time]=time:time_attr ' $ |
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| 217 | + ' @ globattr' |
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| 218 | |
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| 219 | @ncdf_quickwrite |
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| 220 | |
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| 221 | end |
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