[1] | 1 | <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> |
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| 4 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> |
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| 5 | <meta name="Author" content="Alexey Chursin"> |
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| 6 | <meta name="GENERATOR" content="Mozilla/4.7 [en] (Win95; I) [Netscape]"> |
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| 7 | <title>The Kurchatov institute aerosol data</title> |
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| 8 | <style type=text/css> |
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| 9 | <!--a {text-decoration: none} |
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| 11 | a {font-size: 10pt; font-color: #999999; font-family: MS Sans Serif, Arial} |
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| 14 | </head> |
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| 15 | <body text="#000000" bgcolor="#999999" link="#FFFFFF" vlink="#FFFFFF" alink="#FFFFFF"> |
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| 16 | |
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| 17 | <center><table BORDER=8 CELLSPACING=0 CELLPADDING=0 WIDTH="640" BGCOLOR="#FFFF00" > |
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| 18 | <tr> |
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| 19 | <td><font color="#FF0000">The aerosol data base from LITMS: |
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| 20 | Indices of |
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| 21 | refraction, |
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| 22 | integrated optical properties of aerosol particles and |
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| 23 | the associated software package</font></td> |
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| 24 | </tr> |
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| 25 | </table></center> |
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| 26 | |
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| 27 | <center> |
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| 28 | <p><b>Database Files Description</b></center> |
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| 29 | |
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| 30 | <p><br> |
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| 31 | <center><table COLS=1 WIDTH="640" > |
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| 32 | <tr> |
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| 33 | <td><font color="#000000">Aerosol optical data from LITMS (<i>Laboratory |
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| 34 | for Information Technologies and Mathematical Simulation</i> of the Institute |
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| 35 | of Molecular Physics at the Russian Research Center "Kurchatov Institute"), |
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| 36 | such as: integrated optical properties (e.g.extinction coefficient, asymmetry |
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| 37 | factor, etc...) as well as refractive indices of the basic aerosol constituents |
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| 38 | (e.g. Dust-Like, Water-Soluble, Soot, Volcanic Ash, etc...), have been |
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| 39 | archived in the GEISA aerosols databank.</font> |
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| 40 | <br><font color="#000000"> Detailed description of these |
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| 41 | data, summarized in Tables 1-3, are given in a paper by <a href="alexei_rublev_gs03.html">Rublev,1994</a>.</font></td> |
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| 42 | </tr> |
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| 43 | </table></center> |
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| 44 | |
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| 45 | <p><font color="#000000"> </font> |
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| 46 | <br> |
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| 47 | <center><table BORDER COLS=1 WIDTH="640" BGCOLOR="#666666" > |
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| 48 | <tr> |
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| 49 | <td><b><i><font color="#000000">To download the text of the extended abstract |
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| 50 | of Rublev's paper (Word 6.0 for Windows format file) <a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/doc/rublev.doc">click |
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| 51 | here</a> with the right button of the mouse and select "Save link as" item |
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| 52 | of the pop-up menu.</font></i></b></td> |
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| 53 | </tr> |
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| 54 | </table></center> |
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| 55 | |
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| 56 | <br> |
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| 57 | <center><table BORDER COLS=2 WIDTH="640" > |
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| 58 | <caption> |
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| 59 | <center><a NAME="inref"></a><b><font color="#FF0000">Table 1. Complex indices |
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| 60 | of refraction m=p-iq of basic aerosol components</font></b></center> |
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| 61 | <b><font color="#000000"><font size=-1>( H<sub>2</sub>O complex indices |
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| 62 | of refraction from Zolatarev et al., 1984; other complex indices of refraction |
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| 63 | are from WMO, 1986)</font></font></b></caption> |
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| 64 | |
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| 65 | <tr> |
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| 66 | <td ALIGN=CENTER VALIGN=CENTER> |
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| 67 | <center><b>Basic aerosol constituent</b></center> |
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| 68 | </td> |
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| 69 | |
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| 70 | <td ALIGN=CENTER VALIGN=CENTER> |
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| 71 | <center><b>File<sup>(*)</sup></b></center> |
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| 72 | </td> |
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| 73 | </tr> |
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| 74 | |
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| 75 | <tr> |
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| 76 | <td>Water (liquid)</td> |
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| 77 | |
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| 78 | <td> |
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| 79 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/h2o.ref">h2o.ref</a></center> |
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| 80 | </td> |
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| 81 | </tr> |
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| 82 | |
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| 83 | <tr> |
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| 84 | <td>Dust</td> |
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| 85 | |
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| 86 | <td> |
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| 87 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/dust_l.ref">dust_l.ref</a></center> |
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| 88 | </td> |
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| 89 | </tr> |
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| 90 | |
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| 91 | <tr> |
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| 92 | <td>75 % H<sub>2</sub>SO<sub>4</sub></td> |
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| 93 | |
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| 94 | <td> |
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| 95 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/h2so4.ref">h2so4.ref</a></center> |
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| 96 | </td> |
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| 97 | </tr> |
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| 98 | |
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| 99 | <tr> |
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| 100 | <td>Sea salt</td> |
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| 101 | |
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| 102 | <td> |
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| 103 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/ocean.ref">ocean.ref</a></center> |
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| 104 | </td> |
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| 105 | </tr> |
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| 106 | |
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| 107 | <tr> |
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| 108 | <td>Soot</td> |
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| 109 | |
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| 110 | <td> |
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| 111 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/soot.ref">soot.ref</a></center> |
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| 112 | </td> |
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| 113 | </tr> |
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| 114 | |
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| 115 | <tr> |
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| 116 | <td>Volcanic ash</td> |
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| 117 | |
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| 118 | <td> |
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| 119 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/volc_ash.ref">volc_ash.ref</a></center> |
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| 120 | </td> |
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| 121 | </tr> |
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| 122 | |
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| 123 | <tr> |
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| 124 | <td>Water-soluble particles</td> |
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| 125 | |
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| 126 | <td> |
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| 127 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/w_s.ref">w_s.ref</a></center> |
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| 128 | </td> |
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| 129 | </tr> |
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| 130 | </table></center> |
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| 131 | |
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| 132 | <center><sup>(*) </sup>See headers of data files for format and content |
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| 133 | description</center> |
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| 134 | |
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| 135 | <p><br> |
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| 136 | <center><table BORDER COLS=5 WIDTH="640" > |
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| 137 | <caption><a NAME="inopt"></a><b><font color="#FF0000">Table 2. Integrated |
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| 138 | optical properties</font><sup><font color="#000000">(*)</font></sup><font color="#FF0000"> |
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| 139 | (<i>extinction coefficient, single scattering albedo, asymmetry factor</i>) |
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| 140 | of principal aerosol models (WMO, 1986, computed by </font></b><font color="#FF0000"><a href="alexei_rublev_gs03.html">Rublev,1994</a>)</font> |
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| 141 | <br> </caption> |
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| 142 | |
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| 143 | <tr> |
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| 144 | <td ALIGN=LEFT VALIGN=TOP><b>Aerosol model</b></td> |
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| 145 | |
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| 146 | <td ALIGN=LEFT VALIGN=TOP><b>Basic aerosol constituent</b></td> |
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| 147 | |
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| 148 | <td ALIGN=LEFT VALIGN=TOP><b>Volume relative concentration (%)</b></td> |
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| 149 | |
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| 150 | <td ALIGN=LEFT VALIGN=TOP><b>Particle number relative concentration</b><sup>(**)</sup></td> |
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| 151 | |
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| 152 | <td ALIGN=LEFT VALIGN=TOP> |
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| 153 | <center><b>File</b></center> |
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| 154 | </td> |
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| 155 | </tr> |
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| 156 | |
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| 157 | <tr> |
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| 158 | <td> |
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| 159 | <center>Continental</center> |
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| 160 | </td> |
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| 161 | |
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| 162 | <td> |
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| 163 | <center>Dust-Like |
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| 164 | <br>Water-Soluble |
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| 165 | <br>Soot</center> |
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| 166 | </td> |
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| 167 | |
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| 168 | <td ALIGN=CENTER VALIGN=TOP> |
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| 169 | <center>70 |
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| 170 | <br>29 |
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| 171 | <br>1</center> |
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| 172 | </td> |
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| 173 | |
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| 174 | <td ALIGN=CENTER VALIGN=TOP> |
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| 175 | <center>2.26278 10<sup>-6</sup> |
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| 176 | <br>9.37437 10<sup>-1</sup> |
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| 177 | <br>6.25607 10<sup>-2</sup></center> |
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| 178 | </td> |
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| 179 | |
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| 180 | <td> |
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| 181 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_cont.dat">s_cont.dat</a></center> |
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| 182 | </td> |
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| 183 | </tr> |
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| 184 | |
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| 185 | <tr> |
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| 186 | <td> |
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| 187 | <center>Urban</center> |
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| 188 | </td> |
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| 189 | |
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| 190 | <td> |
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| 191 | <center>Water-Soluble |
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| 192 | <br>Soot |
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| 193 | <br>Dust-Like</center> |
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| 194 | </td> |
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| 195 | |
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| 196 | <td ALIGN=CENTER VALIGN=TOP> |
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| 197 | <center>61 |
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| 198 | <br>22 |
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| 199 | <br>17</center> |
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| 200 | </td> |
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| 201 | |
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| 202 | <td ALIGN=CENTER VALIGN=TOP> |
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| 203 | <center>5.88931 10<sup>-1</sup> |
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| 204 | <br>4.11069 10<sup>-1</sup> |
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| 205 | <br>1.64128 10<sup>-7</sup></center> |
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| 206 | </td> |
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| 207 | |
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| 208 | <td> |
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| 209 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_urb.dat">s_urb.dat</a></center> |
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| 210 | </td> |
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| 211 | </tr> |
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| 212 | |
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| 213 | <tr> |
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| 214 | <td> |
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| 215 | <center>Maritime</center> |
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| 216 | </td> |
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| 217 | |
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| 218 | <td> |
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| 219 | <center>Ocean |
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| 220 | <br>Water-Soluble</center> |
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| 221 | </td> |
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| 222 | |
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| 223 | <td ALIGN=CENTER VALIGN=TOP> |
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| 224 | <center>95 |
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| 225 | <br>5</center> |
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| 226 | </td> |
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| 227 | |
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| 228 | <td ALIGN=CENTER VALIGN=TOP> |
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| 229 | <center>4.29942 10<sup>-4</sup> |
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| 230 | <br>9.99573 10<sup>-1</sup></center> |
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| 231 | </td> |
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| 232 | |
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| 233 | <td ALIGN=CENTER VALIGN=CENTER> |
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| 234 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_mar.dat">s_mar.dat</a></center> |
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| 235 | </td> |
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| 236 | </tr> |
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| 237 | |
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| 238 | <tr> |
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| 239 | <td> |
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| 240 | <center>Stratospheric</center> |
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| 241 | </td> |
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| 242 | |
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| 243 | <td> |
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| 244 | <center>75% H<sub>2</sub>SO<sub>4</sub></center> |
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| 245 | </td> |
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| 246 | |
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| 247 | <td> |
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| 248 | <center>100</center> |
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| 249 | </td> |
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| 250 | |
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| 251 | <td> |
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| 252 | <center>1.0</center> |
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| 253 | </td> |
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| 254 | |
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| 255 | <td> |
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| 256 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_h2so4.dat">s_h2so4.dat</a></center> |
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| 257 | </td> |
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| 258 | </tr> |
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| 259 | |
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| 260 | <tr> |
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| 261 | <td> |
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| 262 | <center>Volcanic</center> |
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| 263 | </td> |
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| 264 | |
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| 265 | <td> |
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| 266 | <center>Volcanic Ash</center> |
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| 267 | </td> |
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| 268 | |
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| 269 | <td> |
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| 270 | <center>100</center> |
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| 271 | </td> |
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| 272 | |
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| 273 | <td> |
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| 274 | <center>1.0</center> |
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| 275 | </td> |
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| 276 | |
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| 277 | <td> |
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| 278 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_volc.dat">s_volc.dat</a></center> |
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| 279 | </td> |
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| 280 | </tr> |
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| 281 | |
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| 282 | <tr> |
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| 283 | <td> |
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| 284 | <center>Cloudy </center> |
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| 285 | </td> |
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| 286 | |
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| 287 | <td> |
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| 288 | <center>Water</center> |
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| 289 | </td> |
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| 290 | |
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| 291 | <td> |
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| 292 | <center>100</center> |
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| 293 | </td> |
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| 294 | |
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| 295 | <td> |
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| 296 | <center>1.0</center> |
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| 297 | </td> |
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| 298 | |
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| 299 | <td> |
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| 300 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_cloud.dat">s_cloud.dat</a></center> |
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| 301 | </td> |
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| 302 | </tr> |
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| 303 | </table></center> |
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| 304 | |
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| 305 | <center><table COLS=1 WIDTH="640" > |
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| 306 | <tr> |
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| 307 | <td><sup>(*) </sup>See headers of data files for format and content description |
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| 308 | <br><sup>(**) </sup>For each aerosol model, the total sum of basic aerosol |
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| 309 | constituent concentrations has to be equal to 1 (dimensionless)</td> |
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| 310 | </tr> |
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| 311 | </table></center> |
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| 312 | |
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| 313 | <br> |
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| 314 | <br> |
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| 315 | <center><table BORDER COLS=2 WIDTH="640" > |
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| 316 | <caption><b><font color="#FF0000">Table 3. Integrated optical properties |
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| 317 | (<i>extinction coefficient, single scattering albedo, asymmetry factor</i>) |
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| 318 | computed for basic aerosol constituent by</font></b><font color="#FF0000"><a href="alexei_rublev_gs03.html">Rublev,1994</a></font></caption> |
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| 319 | |
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| 320 | <tr> |
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| 321 | <td> |
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| 322 | <center><b>Basic aerosol constituent</b></center> |
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| 323 | </td> |
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| 324 | |
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| 325 | <td> |
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| 326 | <center><b>File<sup>(*)</sup></b></center> |
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| 327 | </td> |
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| 328 | </tr> |
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| 329 | |
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| 330 | <tr> |
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| 331 | <td> |
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| 332 | <center>Dust-like particles</center> |
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| 333 | </td> |
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| 334 | |
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| 335 | <td> |
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| 336 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_dust.dat">s_dust.dat</a></center> |
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| 337 | </td> |
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| 338 | </tr> |
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| 339 | |
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| 340 | <tr> |
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| 341 | <td> |
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| 342 | <center>water-soluble particles</center> |
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| 343 | </td> |
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| 344 | |
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| 345 | <td> |
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| 346 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_w_s.dat">s_w_s.dat</a></center> |
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| 347 | </td> |
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| 348 | </tr> |
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| 349 | |
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| 350 | <tr> |
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| 351 | <td> |
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| 352 | <center>Soot</center> |
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| 353 | </td> |
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| 354 | |
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| 355 | <td> |
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| 356 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_soot.dat">s_soot.dat</a></center> |
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| 357 | </td> |
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| 358 | </tr> |
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| 359 | |
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| 360 | <tr> |
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| 361 | <td> |
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| 362 | <center>Oceanic</center> |
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| 363 | </td> |
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| 364 | |
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| 365 | <td> |
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| 366 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_oc.dat">s_oc.dat</a></center> |
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| 367 | </td> |
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| 368 | </tr> |
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| 369 | </table></center> |
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| 370 | |
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| 371 | <center><sup>(*) </sup>See headers of data files for format and content |
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| 372 | description</center> |
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| 373 | |
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| 374 | <br><b><font color="#FF0000"></font></b> |
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| 375 | <center><table COLS=1 WIDTH="640" > |
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| 376 | <tr> |
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| 377 | <td> |
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| 378 | <center> |
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| 379 | <br><a NAME="fortran"></a><b><font color="#FF0000">Computation of the integrated |
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| 380 | optical properties of atmospheric aerosols from Table 3: the AERCOMP |
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| 381 | FORTRAN code</font></b></center> |
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| 382 | |
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| 383 | <p><font color="#000000">The FORTRAN code AERCOMP (UNIX version) has been |
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| 384 | developed at LITMS by <a href="alexei_rublev_gs03.html">Rublev, |
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| 385 | 1994</a>. It allows calculations of the above basic aerosol integrated |
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| 386 | optical properties (see Table 3) for more complex, composite aerosol models |
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| 387 | with user's selected concentrations of constituents, in the same <a href="alexei_rubl_form_gs03.html">format</a> |
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| 388 | as the *.dat files of Tables 2,3.</font> |
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| 389 | <p><font color="#000000">To download and install this software:</font> |
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| 390 | <ul> |
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| 391 | <li> |
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| 392 | <font color="#000000"><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/prog/rublev.tar">click |
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| 393 | here</a></font></li> |
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| 394 | |
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| 395 | <li> |
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| 396 | <font color="#000000">save <b>rublev.tar</b> file into a directory on the |
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| 397 | hard disk</font></li> |
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| 398 | |
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| 399 | <li> |
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| 400 | <font color="#000000">restore the compressed files with the command <i><font size=+1>tar |
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| 401 | xvf rublev.tar</font></i></font></li> |
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| 402 | |
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| 403 | <li> |
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| 404 | <font color="#000000">compile <b><a href="alexei_aercomp_gs03.html">aercomp.f</a></b> |
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| 405 | file with a FORTRAN compiler (e.g. <i><font size=+1>f77 aercomp.f -o aercomp</font></i>) |
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| 406 | <b>aercomp</b> is the executable in this example</font></li> |
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| 407 | </ul> |
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| 408 | <font color="#FF0000"><b>Description and use of the AERCOMP program</b>.</font> |
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| 409 | <p>The aerocomp.f program uses the following files: |
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| 410 | <ul> |
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| 411 | <li> |
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| 412 | <b>i_*.dat</b> binary files (Float, 4 bytes) with the optical properties |
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| 413 | of the 7 basic aerosol constituents listed in Table 2 (column 2) and with |
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| 414 | values of the phase function at 204 angles (in degres) from the <b><a href="alexei_ug204_gs03.html">ug_204.dat</a></b> |
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| 415 | file. Table 4 summarizes the involved constituents (column 1) and the corresponding |
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| 416 | i_*.dat files (column 2).</li> |
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| 417 | </ul> |
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| 418 | </td> |
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| 419 | </tr> |
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| 420 | </table></center> |
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| 421 | <b><font color="#FF0000"></font></b> |
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| 422 | <br><b><font color="#FF0000"></font></b> |
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| 423 | <br> |
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| 424 | <br> |
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| 425 | <center><table BORDER COLS=2 WIDTH="640" > |
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| 426 | <caption><b><font color="#FF0000">Table 4. Basic aerosol constituents and |
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| 427 | related i_*.dat binary files used by the AEROCOMP code.</font></b></caption> |
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| 428 | |
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| 429 | <tr> |
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| 430 | <td> |
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| 431 | <center><b>Basic aerosol constituent</b></center> |
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| 432 | </td> |
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| 433 | |
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| 434 | <td> |
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| 435 | <center><b>i_*.dat file</b></center> |
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| 436 | </td> |
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| 437 | </tr> |
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| 438 | |
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| 439 | <tr> |
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| 440 | <td> |
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| 441 | <center>Dust-like</center> |
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| 442 | </td> |
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| 443 | |
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| 444 | <td> |
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| 445 | <center>i_dust.dat</center> |
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| 446 | </td> |
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| 447 | </tr> |
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| 448 | |
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| 449 | <tr> |
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| 450 | <td> |
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| 451 | <center>Water-soluble</center> |
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| 452 | </td> |
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| 453 | |
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| 454 | <td> |
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| 455 | <center>i_w_s.dat</center> |
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| 456 | </td> |
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| 457 | </tr> |
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| 458 | |
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| 459 | <tr> |
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| 460 | <td> |
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| 461 | <center>Soot</center> |
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| 462 | </td> |
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| 463 | |
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| 464 | <td> |
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| 465 | <center>i_soot.dat</center> |
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| 466 | </td> |
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| 467 | </tr> |
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| 468 | |
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| 469 | <tr> |
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| 470 | <td> |
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| 471 | <center>Ocean</center> |
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| 472 | </td> |
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| 473 | |
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| 474 | <td> |
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| 475 | <center>i_oc.dat</center> |
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| 476 | </td> |
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| 477 | </tr> |
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| 478 | |
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| 479 | <tr> |
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| 480 | <td> |
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| 481 | <center>75% H<sub>2</sub>SO<sub>4</sub></center> |
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| 482 | </td> |
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| 483 | |
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| 484 | <td> |
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| 485 | <center>i_h2so4.dat</center> |
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| 486 | </td> |
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| 487 | </tr> |
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| 488 | |
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| 489 | <tr> |
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| 490 | <td> |
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| 491 | <center>Volcanic Ash</center> |
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| 492 | </td> |
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| 493 | |
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| 494 | <td> |
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| 495 | <center>i_volc.dat</center> |
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| 496 | </td> |
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| 497 | </tr> |
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| 498 | |
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| 499 | <tr> |
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| 500 | <td> |
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| 501 | <center>Water (cloud)</center> |
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| 502 | </td> |
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| 503 | |
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| 504 | <td> |
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| 505 | <center>i_cloud.dat</center> |
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| 506 | </td> |
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| 507 | </tr> |
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| 508 | </table></center> |
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| 509 | |
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| 510 | <br><b><font color="#000000"></font></b> |
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| 511 | <center><table COLS=1 WIDTH="640" > |
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| 512 | <tr> |
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| 513 | <td><b><font color="#000000">Format of i_*.dat binary files:</font></b> |
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| 514 | <p><font color="#000000">The<b> i_*.dat</b> binary files delivered with |
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| 515 | the AEROCOMP software are 2D arrays (61columns x 210 lines) of real numbers |
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| 516 | (Float, 4 bytes) stored as disk files. They comprise the following data:</font> |
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| 517 | <ul> |
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| 518 | <li> |
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| 519 | <i><font color="#000000">The first line contains ordered numbers from 1 |
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| 520 | to 61;</font></i></li> |
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| 521 | |
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| 522 | <li> |
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| 523 | <i><font color="#000000">The second line (i.e. the records number from |
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| 524 | 62 to 122) contains the values of 61 irregular spaced wavelengths from |
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| 525 | 0.2 to 40 micrometers;</font></i></li> |
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| 526 | |
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| 527 | <li> |
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| 528 | <i><font color="#000000">The third line contains the extinction coefficients, |
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| 529 | in km<sup>-1</sup>, for a particle number concentration N=1 particle per |
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| 530 | cm<sup>3</sup>, at the wavelengths given in line two;</font></i></li> |
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| 531 | |
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| 532 | <li> |
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| 533 | <i><font color="#000000">The fourth line contains the single scattering |
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| 534 | albedo values at the above mentioned wavelengths;</font></i></li> |
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| 535 | |
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| 536 | <li> |
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| 537 | <i><font color="#000000">The fifth line contains the asymmetry factors |
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| 538 | at the above mentioned wavelengths;</font></i></li> |
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| 539 | |
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| 540 | <li> |
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| 541 | <i><font color="#000000">The sixth line contains the normalization factors |
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| 542 | at the above mentioned wavelengths;</font></i></li> |
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| 543 | |
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| 544 | <li> |
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| 545 | <i><font color="#000000">The remaining 204 lines from 7 to 210 contain |
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| 546 | the phase function values at the above mentioned 61 wavelengths and at |
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| 547 | 204 angles (irregulary spaced from 0 to 180 degrees) stored in the ug_204.dat |
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| 548 | file: e.g. line 7 contains the phase function values at the first angle |
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| 549 | value of the ug_204.dat file (0 degree), line 8 contains the phase function |
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| 550 | values at 0.02 degrees (second value of the ug_204.dat file), etc...</font></i></li> |
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| 551 | </ul> |
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| 552 | <font color="#000000">The detailed description and the explicit formulas |
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| 553 | for the above listed (see Table 2) optical parameters can be found in <a href="alexei_rublev_gs03.html">Rublev, |
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| 554 | 1994</a></font> |
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| 555 | <ul> |
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| 556 | <li> |
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| 557 | <b>inp_comp.dat</b> file: control parameters file to be set up by the user.</li> |
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| 558 | |
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| 559 | <li> |
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| 560 | <b>lm_sh.dat</b> file: file with wavelengths (in micrometers) used for |
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| 561 | calculations of the basic aerosol constituents integrated optical properties |
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| 562 | according to the Mie theory. <b><i>The user should not change this file!</i></b></li> |
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| 563 | |
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| 564 | <li> |
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| 565 | <b>ug_204.dat</b> file: file with the angles values (in degrees) used for |
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| 566 | calculation of the phase function of the basic aerosol constituents. <b><i>The |
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| 567 | user should not change this file!</i></b></li> |
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| 568 | </ul> |
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| 569 | The<b> inp_comp.dat</b> file delivered with this software package as an |
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| 570 | example, allows the computations of integral optical characteristics |
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| 571 | of the continental aerosol model given in Table 2, storing them into the |
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| 572 | <b>s_cont1.dat</b> |
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| 573 | (ASCII) and <b>i_cont1.dat</b> (binary) files. |
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| 574 | <font color="#000000">The |
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| 575 | control parameters file <b>inp_comp.dat</b> contains N+1 blocs, where N |
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| 576 | is the number of the basic aerosol constituents (N<sub>max</sub>=7) in |
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| 577 | an aerosol of interest.</font> |
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| 578 | <br>The <b>s_cont1.dat </b>file contains the same integrated optical properties |
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| 579 | (<font color="#000000">extinction coefficient, single scattering albedo, |
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| 580 | asymmetry factor, and normalization factor)</font>and has the same format |
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| 581 | as the <b>*.dat</b> files from Table 3. |
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| 582 | <br>The <b>i_cont1.dat</b> file has the same binary format as the above |
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| 583 | mentioned the <b>i_*.dat</b> files (only it corresponds to 2D array with |
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| 584 | 13 columns and 187 lines- see parameters in Table 5). |
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| 585 | <br>The user should set up the parameters of an aerosol of interest filling |
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| 586 | up the fields of the <b>inp_comp.dat</b> file and then run the executable |
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| 587 | <b>aercomp</b>. |
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| 588 | Note that the binary file |
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| 589 | <b>i_cont1.dat</b> can be used as an input file |
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| 590 | for |
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| 591 | <b>aercomp.f |
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| 592 | </b>program in order to compose more complex aerosol models. |
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| 593 | <br><a href="#table5">Table 5</a>, given as an example, describes |
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| 594 | the <b>inp_comp.dat</b> file corresponding to an aerosol mixture including |
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| 595 | three basic constituents: i.e., dust-like, water-soluble, and soot particles, |
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| 596 | with the respective particles number concentrations (in particles per cm<sup>3</sup>): |
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| 597 | 2.26278 10<sup>-6</sup>, 0.937437, and 0.0625607. In column 1 are the input |
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| 598 | and output parameters for computations. Column 2 gives identification |
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| 599 | of column 1 data in the <a href="alexei_aercomp_gs03.html">aercomp.f</a> |
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| 600 | program, and column 3 describes column 1 data. |
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| 601 | <br>The integrated optical parameters will be computed at the wavelengths |
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| 602 | and at the angles stored in the <b>lm_exam.dat</b> and<b> ug_181.dat</b> |
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| 603 | files respectively. Note, that the wavelength and angle values stored in |
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| 604 | these files have to be within the same interval (i.e. from 0.2 to 40 microns |
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| 605 | for wavelengths and from 0 to 180 degrees for angles) as those of the |
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| 606 | <b>lm_sh.dat</b> |
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| 607 | and <b>ug_204.dat</b> files respectively. The program uses a linear interpolation |
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| 608 | algorithm to calculate the integrated optical properties at the wavelengths |
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| 609 | and angles stored in the <b>lm_exam.dat</b> and<b> ug_181.dat</b> files. |
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| 610 | <br> </td> |
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| 611 | </tr> |
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| 612 | </table></center> |
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| 613 | <b><font color="#000000"></font></b> |
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| 614 | <center> |
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| 615 | <p><a NAME="table5"></a><b><font color="#FF0000">Table 5. Example of the<font size=+1> |
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| 616 | inp_comp.dat |
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| 617 | </font>file delivered with this software package</font><sup><font color="#000000">(*)</font></sup></b></center> |
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| 618 | |
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| 619 | <p><br> |
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| 620 | <center><table BORDER COLS=1 WIDTH="87%" > |
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| 621 | <tr> |
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| 622 | <td><i>3 </i> |
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| 623 | n_comp - NUMBER OF BASIC AEROSOL CONSTITUENTS |
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| 624 | <br><i>13 </i> |
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| 625 | n_m0 - NUMBER OF |
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| 626 | WAVELENGTHS TO BE USED IN CALCULATIONS<sup>(**)</sup> |
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| 627 | <br><i>lm_exam.dat</i> name_m0 - FILE |
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| 628 | FOR SELECTED WAVELENGTHS |
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| 629 | <br>181 |
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| 630 | n_ug0 - TOTAL |
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| 631 | NUMBER OF SELECTED ANGULAR MESH POINTS<sup>(***)</sup> |
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| 632 | <br><i>ug_181.dat</i> name_ug0 - |
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| 633 | FILE WITH ANGULAR MESH POINTS |
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| 634 | <br><i>s_cont1.dat</i> s_dat |
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| 635 | - OUTPUT FILE FOR EXTINCTION COEFFICIENTS |
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| 636 | <br><i>i_cont1.dat </i> i_dat |
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| 637 | - OUTPUT FILE FOR PHASE FUNCTION |
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| 638 | <br>************************************************************************** |
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| 639 | <br><b>61</b> |
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| 640 | n_m - |
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| 641 | NUMBER OF WAVELENGTHS TO BE USED IN CALCULATIONS |
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| 642 | <br><b>i_dust.dat </b> |
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| 643 | nc_ind - INPUT FILE FOR BASIC AEROSOL |
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| 644 | CONSTITUENT PARAMETERS |
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| 645 | <br><i>2.26278E-6</i> si |
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| 646 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
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| 647 | <br><b>lm_sh.dat</b><i> </i> |
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| 648 | name_m - FILE OF WAVELENGTHS |
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| 649 | <br><b>204</b> |
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| 650 | n_ug - |
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| 651 | TOTAL NUMBER OF ANGULAR MESH POINTS |
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| 652 | <br><b>ug_204.dat</b> name_ug |
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| 653 | - FILE OF ANGULAR MESH POINTS |
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| 654 | <br>************************************************************************** |
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| 655 | <br><b>61</b><i> </i> |
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| 656 | n_m - |
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| 657 | NUMBER OF WAVELENGTHS TO BE USED IN CALCULATIONS |
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| 658 | <br><b>i_w_s.dat </b> |
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| 659 | nc_ind - INPUT FILE |
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| 660 | FOR BASIC AEROSOL CONSTITUENT PARAMETERS |
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| 661 | <br><i>0.937437</i> |
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| 662 | si |
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| 663 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
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| 664 | <br><b>lm_sh.dat</b><i> </i> |
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| 665 | name_m - FILE OF WAVELENGTHS |
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| 666 | <br><b>204 </b> |
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| 667 | n_ug - |
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| 668 | TOTAL NUMBER OF ANGULAR MESH POINTS |
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| 669 | <br><b>ug_204.dat</b><i> </i> |
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| 670 | name_ug - FILE OF THE ANGULAR MESH POINTS |
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| 671 | <br>************************************************************************** |
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| 672 | <br><b>61</b> |
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| 673 | n_m - NUMBER |
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| 674 | OF WAVELENGTHS TO BE USED IN CALCULATIONS |
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| 675 | <br><b>i_soot.dat </b> |
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| 676 | nc_ind - INPUT FILE FOR BASIC AEROSOL CONSTITUENT |
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| 677 | PARAMETERS |
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| 678 | <br><i>0.0625607 </i> |
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| 679 | si |
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| 680 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
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| 681 | <br><b>lm_sh.dat </b> |
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| 682 | name_m - FILE OF WAVELENGTHS |
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| 683 | <br><b>204</b><i> </i> |
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| 684 | n_ug - TOTAL |
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| 685 | NUMBER OF ANGULAR MESH POINTS |
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| 686 | <br><b>ug_204.dat </b> |
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| 687 | name_ug - FILE OF THE ANGULAR MESH POINTS |
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| 688 | <br>**************************************************************************</td> |
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| 689 | </tr> |
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| 690 | </table></center> |
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| 691 | |
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| 692 | <br><b><sup><font color="#000000"></font></sup></b> |
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| 693 | <center><table COLS=1 WIDTH="640" > |
---|
| 694 | <tr> |
---|
| 695 | <td><font color="#000000"><b><sup>(*) </sup></b>Parameters in italic can |
---|
| 696 | be changed by the user for own calculations. <b>Parameters in bold should |
---|
| 697 | not be changed!</b></font> |
---|
| 698 | <br><font color="#000000"><b><sup>(**) </sup></b>The parameter n_m0 should |
---|
| 699 | be less or equal to the total number of records in the lm_exam.dat file.</font> |
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| 700 | <br><font color="#000000"><b><sup>(***) </sup></b>The parameter n_ug0 should |
---|
| 701 | be less or equal to the total number of records in the ug_181.dat file.</font> |
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| 702 | <br> |
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| 703 | <br> </td> |
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| 704 | </tr> |
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| 705 | </table></center> |
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| 706 | |
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| 707 | </body> |
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| 708 | </html> |
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