[6] | 1 | ;+ |
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| 2 | ; |
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[174] | 3 | ; =================== |
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| 4 | ; tropflux_swr_dt.pro |
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| 5 | ; =================== |
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[6] | 6 | ; |
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[174] | 7 | ; .. function:: tropflux_swr_dt(yyyymmddb,yyyymmdde) |
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[6] | 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:`${PROJECT_OD}/swr_oafluxgrid_1985_2007.nc` |
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| 15 | ; have been produced ++by pk |
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| 16 | ; |
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[97] | 17 | ; Corrected swr delay on OAFLUX grid |
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[81] | 18 | ; is written in |
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[174] | 19 | ; :file:`${PROJECT_OD}/TropFlux_swr_{yyyymmdd}_{yyyymmdd}_DT.nc` |
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[81] | 20 | ; if this file not already exists. |
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| 21 | ; |
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[8] | 22 | ; .. graphviz:: |
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| 23 | ; |
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[174] | 24 | ; digraph tropflux_swr_dt { |
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[8] | 25 | ; |
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[81] | 26 | ; file_in [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/swr_oafluxgrid_1985_2007.nc"]; |
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[174] | 27 | ; file_out [shape=ellipse,fontname=Courier,label="${PROJECT_OD}/TropFlux_swr_{yyyymmdd}_{yyyymmdd}_DT.nc"]; |
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[8] | 28 | ; |
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[174] | 29 | ; tropflux_swr_dt [shape=box, |
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[8] | 30 | ; fontname=Courier, |
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| 31 | ; color=blue, |
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[174] | 32 | ; URL="http://forge.ipsl.jussieu.fr/tropflux/browser/trunk/src/tropflux_swr_dt.pro", |
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| 33 | ; label="${PROJECT}/src/tropflux_swr_dt.pro"]; |
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[8] | 34 | ; |
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[174] | 35 | ; {file_in}-> {tropflux_swr_dt} -> {file_out} |
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[8] | 36 | ; |
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| 37 | ; } |
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| 38 | ; |
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[6] | 39 | ; SEE ALSO |
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| 40 | ; ======== |
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| 41 | ; |
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[174] | 42 | ; :ref:`mooring_corrections` |
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| 43 | ; |
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| 44 | ; Used by :ref:`tropflux.sh` |
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| 45 | ; |
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[81] | 46 | ; :ref:`project_profile.sh` |
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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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[180] | 62 | ; yyyymmddb = 20000101L |
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| 63 | ; yyyymmdde = 20001231L |
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| 64 | ; result = tropflux_swr_dt(yyyymmddb, yyyymmdde) |
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| 65 | ; print, result |
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[6] | 66 | ; |
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| 67 | ; TODO |
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| 68 | ; ==== |
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| 69 | ; |
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[174] | 70 | ; handlind yyyymmdde > 20071231 |
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| 71 | ; |
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| 72 | ; first date 19991231 vs yyyymmddb = 20000101L |
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| 73 | ; |
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[81] | 74 | ; NaNf values in ouptut file while 1.e20 in input file !! |
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[6] | 75 | ; |
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| 76 | ; coding rules |
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| 77 | ; |
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[81] | 78 | ; use the output of concat_swr.sh to be written. |
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| 79 | ; now use swr_oafluxgrid_1985_2007.nc provided by pk 20110811 |
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[174] | 80 | ; stored in :file:`cratos:/usr/lodyc/incas/fplod/tropflux_d/from_pk/stage_0/swr_oafluxgrid_1985_2007.nc` |
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[81] | 81 | ; |
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| 82 | ; KNOWN ISSUES |
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| 83 | ; ============ |
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| 84 | ; |
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| 85 | ; test of existence of fullfilename not very efficient because |
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| 86 | ; MUST_EXIST keyword of :func:`isafile <saxo:isafile>` not yet implemented |
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| 87 | ; |
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[6] | 88 | ; EVOLUTIONS |
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| 89 | ; ========== |
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| 90 | ; |
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[174] | 91 | ; $Id: tropflux_swr_dt.pro 88 2011-08-19 15:40:14Z pinsard $ |
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[81] | 92 | ; |
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| 93 | ; $URL$ |
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| 94 | ; |
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[174] | 95 | ; - fplod 20120321 |
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| 96 | ; |
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| 97 | ; * pro -> func |
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| 98 | ; * rename with lower case TropFlux_swr_DT_19890101_20071231.pro become |
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| 99 | ; tropflux_swr_dt.pro |
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| 100 | ; * taking project_overwite into account |
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| 101 | ; * try to add compile_opt seems to be incompatible with ncdf_quickwrite |
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| 102 | ; * start to homogenize time handling and netcdf writing |
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| 103 | ; |
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[98] | 104 | ; - fplod 20110830T135743Z cratos (Linux) |
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| 105 | ; |
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| 106 | ; * replace tt by time |
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| 107 | ; |
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[81] | 108 | ; - fplod 20110812T073138Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 109 | ; |
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| 110 | ; * usage of ${PROJECT_OD} |
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| 111 | ; * complete description |
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| 112 | ; * remove v50 in output filename |
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| 113 | ; |
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[8] | 114 | ; - fplod 20101215T091726Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 115 | ; |
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| 116 | ; * add graph in header |
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| 117 | ; |
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[6] | 118 | ; - fplod 20101214T093615Z aedon.locean-ipsl.upmc.fr (Darwin) |
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| 119 | ; |
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| 120 | ; * minimal header |
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| 121 | ; |
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| 122 | ; - pbk 2008 |
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| 123 | ; |
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| 124 | ; * creation |
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| 125 | ; |
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| 126 | ;- |
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[174] | 127 | function tropflux_swr_dt $ |
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| 128 | , yyyymmddb $ |
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| 129 | , yyyymmdde |
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[81] | 130 | ; |
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[174] | 131 | ;++compile_opt idl2, strictarrsubs, logical_predicate |
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| 132 | ; |
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[81] | 133 | @cm_4cal |
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| 134 | @cm_4data |
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| 135 | @cm_4mesh |
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| 136 | @cm_4data |
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| 137 | @cm_project |
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| 138 | ; |
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[174] | 139 | ; Return to caller if errors |
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| 140 | ON_ERROR, 2 |
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| 141 | ; |
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| 142 | result = -1 |
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| 143 | ; |
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| 144 | usage = 'result = tropflux_swr_dt(yyyymmddb, yyyymmdde)' |
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| 145 | nparam = N_PARAMS() |
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| 146 | IF (nparam NE 2) THEN BEGIN |
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| 147 | ras = report(['Incorrect number of arguments.' $ |
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| 148 | + '!C' $ |
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| 149 | + 'Usage : ' + usage]) |
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| 150 | return, result |
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| 151 | ENDIF |
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| 152 | |
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[81] | 153 | ; test if ${PROJECT_OD} defined |
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| 154 | CASE project_od_env OF |
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| 155 | '' : BEGIN |
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| 156 | msg = 'eee : ${PROJECT_OD} is not defined' |
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| 157 | ras = report(msg) |
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[174] | 158 | return, result |
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[81] | 159 | END |
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| 160 | ELSE: BEGIN |
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| 161 | msg = 'iii : ${PROJECT_OD} is ' + project_od_env |
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| 162 | ras = report(msg) |
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| 163 | END |
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| 164 | ENDCASE |
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| 165 | ; |
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| 166 | ; check if output data will be possible |
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| 167 | iodirout = isadirectory(project_od_env) |
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| 168 | ; |
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| 169 | ; existence and protection for reading |
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| 170 | IF (FILE_TEST(iodirout, /DIRECTORY, /EXECUTABLE, /READ) EQ 0) THEN BEGIN |
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| 171 | msg = 'eee : the directory' + iodirout + ' is not accessible.' |
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| 172 | ras = report(msg) |
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[174] | 173 | return, result |
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[81] | 174 | ENDIF |
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| 175 | ; |
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| 176 | ; existence and protection for writing |
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| 177 | IF (FILE_TEST(iodirout, /DIRECTORY, /WRITE) EQ 0) THEN BEGIN |
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| 178 | msg = 'eee : the directory' + iodirout + ' was not found.' |
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| 179 | ras = report(msg) |
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[174] | 180 | return, result |
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[81] | 181 | ENDIF |
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| 182 | ; |
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| 183 | ; build data filename |
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| 184 | filename='swr_oafluxgrid_1985_2007.nc' |
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| 185 | ; |
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| 186 | ; check if this file exists |
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| 187 | msg='iii : looking for ' + filename |
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| 188 | ras = report(msg) |
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| 189 | fullfilename = isafile(iodirout + filename, NEW=0, /MUST_EXIST) |
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| 190 | IF fullfilename[0] EQ '' THEN BEGIN |
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| 191 | msg = 'eee : the file ' + fullfilename + ' was not found.' |
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| 192 | ras = report(msg) |
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[174] | 193 | return, result |
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[81] | 194 | ENDIF |
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| 195 | ; |
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| 196 | ; build output filename |
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[174] | 197 | filename_out = 'TropFlux_swr_' + string(yyyymmddb,format='(I8.8)') + '_' + string(yyyymmdde,format='(I8.8)') + '_DT.nc' |
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[81] | 198 | fullfilename_out = iodirout + filename_out |
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| 199 | ; in order to avoid unexpected overwritten |
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[174] | 200 | IF ((FILE_TEST(fullfilename_out) EQ 1) AND (project_overwrite EQ 0)) THEN BEGIN |
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[81] | 201 | msg = 'eee : the file ' + fullfilename_out + ' already exists.' |
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| 202 | ras = report(msg) |
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[174] | 203 | return, result |
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[81] | 204 | ENDIF |
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| 205 | ; |
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| 206 | initncdf, filename |
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[97] | 207 | ; |
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[174] | 208 | sw=read_ncdf("swr", yyyymmddb-.5d,yyyymmdde, file=filename,/nostr) |
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| 209 | timein=24.d*(time-julday(1,1,1957,0,0,0)) |
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| 210 | jptin=n_elements(timein) |
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| 211 | da=jul2date(time[0]) |
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| 212 | cda0=string(da,format='(i8.8)') |
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| 213 | da=jul2date(time[jptin-1]) |
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| 214 | cda1=string(da,format='(i8.8)') |
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| 215 | print, 'first date ', cda0 |
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| 216 | print, 'last date ' , cda1 |
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[5] | 217 | help, sw |
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[97] | 218 | ; |
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[5] | 219 | sw_mean=grossemoyenne(sw, 't',/nan) |
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| 220 | help, sw_mean |
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[97] | 221 | ; |
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[94] | 222 | jpt=n_elements(time) |
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[5] | 223 | caldat, time,mon,day,yea |
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[97] | 224 | sw_m=sw*0. |
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[94] | 225 | sw_bias=sw*0. |
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[97] | 226 | ; |
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[5] | 227 | for jt=0,jpt-1 do begin |
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[174] | 228 | jtt=(time[jt]-julday(1,1,yea[jt])) < 364 |
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| 229 | swr=reform(sw_mean[*,*]) |
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| 230 | sw_m[*,*,jt]=swr |
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| 231 | sw_bias[*,*,jt]=(((swr-295.4)*18.36/(200.-295.4)) > 0.) < 18.37 |
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[5] | 232 | endfor |
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[97] | 233 | ; |
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[5] | 234 | help, sw_m, sw_bias |
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| 235 | swa=sw-sw_m |
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[97] | 236 | swa=swa/(0.901273) ; variability correction (seasonal_cycle_swr_isccp.pro) |
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| 237 | ; |
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| 238 | swr=sw_m+swa-sw_bias ; new swr, corrected for bias and variability |
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[100] | 239 | ; |
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| 240 | ; writing field |
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[174] | 241 | cda0=string(jul2date(time[0]),format='(i8.8)') |
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| 242 | cda1=string(jul2date(time[jpt-1]),format='(i8.8)') |
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[97] | 243 | ; |
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[174] | 244 | lat=reform(gphit[0,0:jpj-1]) |
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| 245 | lon=reform(glamt[0:jpi-1,0]) |
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[97] | 246 | time=time-julday(1,1,1950) |
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[94] | 247 | jpt=n_elements(time) |
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[97] | 248 | ; |
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[81] | 249 | ncfile='!' + fullfilename_out |
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[5] | 250 | lon_attr={units:'degrees_east',long_name:'Longitude'} |
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| 251 | lat_attr={units:'degrees_north',long_name:'Latitude'} |
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| 252 | 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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[100] | 253 | globattr={source:'Obtained from ISCCP. Corrections has been done on mean bias and variability',timerange:cda0+' - '+cda1} |
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[5] | 254 | sw_attr={units:'w/m^2',missing_value:1.e20,long_name:'Net Shortwave Radiation',short_name:'swr',axis:'TYX'} |
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[97] | 255 | ; |
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[174] | 256 | ncfields = 'swr[longitude,latitude,*time]=swr:sw_attr; ' $ |
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[5] | 257 | + 'longitude[]=lon:lon_attr; ' $ |
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| 258 | + 'latitude[]=lat:lat_attr; ' $ |
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[174] | 259 | + 'time[]=timein:time_attr ' $ |
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[5] | 260 | + ' @ globattr' |
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[97] | 261 | ; |
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[5] | 262 | @ncdf_quickwrite |
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[97] | 263 | ; |
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[174] | 264 | result = 0 |
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| 265 | return, result |
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| 266 | ; |
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[5] | 267 | end |
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