1 | <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> |
---|
2 | <html> |
---|
3 | <head> |
---|
4 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> |
---|
5 | <meta name="Author" content="Alexey Chursin"> |
---|
6 | <meta name="GENERATOR" content="Mozilla/4.7 [en] (Win95; I) [Netscape]"> |
---|
7 | <title>The Kurchatov institute aerosol data</title> |
---|
8 | <style type=text/css> |
---|
9 | <!--a {text-decoration: none} |
---|
10 | a:hover {color: #000000} |
---|
11 | a {font-size: 10pt; font-color: #999999; font-family: MS Sans Serif, Arial} |
---|
12 | |
---|
13 | //--></style> |
---|
14 | </head> |
---|
15 | <body text="#000000" bgcolor="#999999" link="#FFFFFF" vlink="#FFFFFF" alink="#FFFFFF"> |
---|
16 | |
---|
17 | <center><table BORDER=8 CELLSPACING=0 CELLPADDING=0 WIDTH="640" BGCOLOR="#FFFF00" > |
---|
18 | <tr> |
---|
19 | <td><font color="#FF0000">The aerosol data base from LITMS: |
---|
20 | Indices of |
---|
21 | refraction, |
---|
22 | integrated optical properties of aerosol particles and |
---|
23 | the associated software package</font></td> |
---|
24 | </tr> |
---|
25 | </table></center> |
---|
26 | |
---|
27 | <center> |
---|
28 | <p><b>Database Files Description</b></center> |
---|
29 | |
---|
30 | <p><br> |
---|
31 | <center><table COLS=1 WIDTH="640" > |
---|
32 | <tr> |
---|
33 | <td><font color="#000000">Aerosol optical data from LITMS (<i>Laboratory |
---|
34 | for Information Technologies and Mathematical Simulation</i> of the Institute |
---|
35 | of Molecular Physics at the Russian Research Center "Kurchatov Institute"), |
---|
36 | such as: integrated optical properties (e.g.extinction coefficient, asymmetry |
---|
37 | factor, etc...) as well as refractive indices of the basic aerosol constituents |
---|
38 | (e.g. Dust-Like, Water-Soluble, Soot, Volcanic Ash, etc...), have been |
---|
39 | archived in the GEISA aerosols databank.</font> |
---|
40 | <br><font color="#000000"> Detailed description of these |
---|
41 | data, summarized in Tables 1-3, are given in a paper by <a href="alexei_rublev.html" target="_blank">Rublev, |
---|
42 | 1994</a>.</font></td> |
---|
43 | </tr> |
---|
44 | </table></center> |
---|
45 | |
---|
46 | <p><font color="#000000"> </font> |
---|
47 | <br> |
---|
48 | <center><table BORDER COLS=1 WIDTH="640" BGCOLOR="#666666" > |
---|
49 | <tr> |
---|
50 | <td><b><i><font color="#000000">To download the text of the extended abstract |
---|
51 | 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 |
---|
52 | here</a> with the right button of the mouse and select "Save link as" item |
---|
53 | of the pop-up menu.</font></i></b></td> |
---|
54 | </tr> |
---|
55 | </table></center> |
---|
56 | |
---|
57 | <br> |
---|
58 | <center><table BORDER COLS=2 WIDTH="640" > |
---|
59 | <caption> |
---|
60 | <center><a NAME="inref"></a><b><font color="#FF0000">Table 1. Complex indices |
---|
61 | of refraction m=p-iq of basic aerosol components</font></b></center> |
---|
62 | <b><font color="#000000"><font size=-1>( H<sub>2</sub>O complex indices |
---|
63 | of refraction from Zolatarev et al., 1984; other complex indices of refraction |
---|
64 | are from WMO, 1986)</font></font></b></caption> |
---|
65 | |
---|
66 | <tr> |
---|
67 | <td ALIGN=CENTER VALIGN=CENTER> |
---|
68 | <center><b>Basic aerosol constituent</b></center> |
---|
69 | </td> |
---|
70 | |
---|
71 | <td ALIGN=CENTER VALIGN=CENTER> |
---|
72 | <center><b>File<sup>(*)</sup></b></center> |
---|
73 | </td> |
---|
74 | </tr> |
---|
75 | |
---|
76 | <tr> |
---|
77 | <td>Water (liquid)</td> |
---|
78 | |
---|
79 | <td> |
---|
80 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/h2o.ref">h2o.ref</a></center> |
---|
81 | </td> |
---|
82 | </tr> |
---|
83 | |
---|
84 | <tr> |
---|
85 | <td>Dust</td> |
---|
86 | |
---|
87 | <td> |
---|
88 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/dust_l.ref">dust_l.ref</a></center> |
---|
89 | </td> |
---|
90 | </tr> |
---|
91 | |
---|
92 | <tr> |
---|
93 | <td>75 % H<sub>2</sub>SO<sub>4</sub></td> |
---|
94 | |
---|
95 | <td> |
---|
96 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/h2so4.ref">h2so4.ref</a></center> |
---|
97 | </td> |
---|
98 | </tr> |
---|
99 | |
---|
100 | <tr> |
---|
101 | <td>Sea salt</td> |
---|
102 | |
---|
103 | <td> |
---|
104 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/ocean.ref">ocean.ref</a></center> |
---|
105 | </td> |
---|
106 | </tr> |
---|
107 | |
---|
108 | <tr> |
---|
109 | <td>Soot</td> |
---|
110 | |
---|
111 | <td> |
---|
112 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/soot.ref">soot.ref</a></center> |
---|
113 | </td> |
---|
114 | </tr> |
---|
115 | |
---|
116 | <tr> |
---|
117 | <td>Volcanic ash</td> |
---|
118 | |
---|
119 | <td> |
---|
120 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/volc_ash.ref">volc_ash.ref</a></center> |
---|
121 | </td> |
---|
122 | </tr> |
---|
123 | |
---|
124 | <tr> |
---|
125 | <td>Water-soluble particles</td> |
---|
126 | |
---|
127 | <td> |
---|
128 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/w_s.ref">w_s.ref</a></center> |
---|
129 | </td> |
---|
130 | </tr> |
---|
131 | </table></center> |
---|
132 | |
---|
133 | <center><sup>(*) </sup>See headers of data files for format and content |
---|
134 | description</center> |
---|
135 | |
---|
136 | <p><br> |
---|
137 | <center><table BORDER COLS=5 WIDTH="640" > |
---|
138 | <caption><a NAME="inopt"></a><b><font color="#FF0000">Table 2. Integrated |
---|
139 | optical properties</font><sup><font color="#000000">(*)</font></sup><font color="#FF0000"> |
---|
140 | (<i>extinction coefficient, single scattering albedo, asymmetry factor</i>) |
---|
141 | of principal aerosol models (WMO, 1986, computed by </font></b><font color="#FF0000"><a href="alexei_rublev.html" target="_blank">Rublev, |
---|
142 | 1994</a>)</font> |
---|
143 | <br> </caption> |
---|
144 | |
---|
145 | <tr> |
---|
146 | <td ALIGN=LEFT VALIGN=TOP><b>Aerosol model</b></td> |
---|
147 | |
---|
148 | <td ALIGN=LEFT VALIGN=TOP><b>Basic aerosol constituent</b></td> |
---|
149 | |
---|
150 | <td ALIGN=LEFT VALIGN=TOP><b>Volume relative concentration (%)</b></td> |
---|
151 | |
---|
152 | <td ALIGN=LEFT VALIGN=TOP><b>Particle number relative concentration</b><sup>(**)</sup></td> |
---|
153 | |
---|
154 | <td ALIGN=LEFT VALIGN=TOP> |
---|
155 | <center><b>File</b></center> |
---|
156 | </td> |
---|
157 | </tr> |
---|
158 | |
---|
159 | <tr> |
---|
160 | <td> |
---|
161 | <center>Continental</center> |
---|
162 | </td> |
---|
163 | |
---|
164 | <td> |
---|
165 | <center>Dust-Like |
---|
166 | <br>Water-Soluble |
---|
167 | <br>Soot</center> |
---|
168 | </td> |
---|
169 | |
---|
170 | <td ALIGN=CENTER VALIGN=TOP> |
---|
171 | <center>70 |
---|
172 | <br>29 |
---|
173 | <br>1</center> |
---|
174 | </td> |
---|
175 | |
---|
176 | <td ALIGN=CENTER VALIGN=TOP> |
---|
177 | <center>2.26278 10<sup>-6</sup> |
---|
178 | <br>9.37437 10<sup>-1</sup> |
---|
179 | <br>6.25607 10<sup>-2</sup></center> |
---|
180 | </td> |
---|
181 | |
---|
182 | <td> |
---|
183 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_cont.dat">s_cont.dat</a></center> |
---|
184 | </td> |
---|
185 | </tr> |
---|
186 | |
---|
187 | <tr> |
---|
188 | <td> |
---|
189 | <center>Urban</center> |
---|
190 | </td> |
---|
191 | |
---|
192 | <td> |
---|
193 | <center>Water-Soluble |
---|
194 | <br>Soot |
---|
195 | <br>Dust-Like</center> |
---|
196 | </td> |
---|
197 | |
---|
198 | <td ALIGN=CENTER VALIGN=TOP> |
---|
199 | <center>61 |
---|
200 | <br>22 |
---|
201 | <br>17</center> |
---|
202 | </td> |
---|
203 | |
---|
204 | <td ALIGN=CENTER VALIGN=TOP> |
---|
205 | <center>5.88931 10<sup>-1</sup> |
---|
206 | <br>4.11069 10<sup>-1</sup> |
---|
207 | <br>1.64128 10<sup>-7</sup></center> |
---|
208 | </td> |
---|
209 | |
---|
210 | <td> |
---|
211 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_urb.dat">s_urb.dat</a></center> |
---|
212 | </td> |
---|
213 | </tr> |
---|
214 | |
---|
215 | <tr> |
---|
216 | <td> |
---|
217 | <center>Maritime</center> |
---|
218 | </td> |
---|
219 | |
---|
220 | <td> |
---|
221 | <center>Ocean |
---|
222 | <br>Water-Soluble</center> |
---|
223 | </td> |
---|
224 | |
---|
225 | <td ALIGN=CENTER VALIGN=TOP> |
---|
226 | <center>95 |
---|
227 | <br>5</center> |
---|
228 | </td> |
---|
229 | |
---|
230 | <td ALIGN=CENTER VALIGN=TOP> |
---|
231 | <center>4.29942 10<sup>-4</sup> |
---|
232 | <br>9.99573 10<sup>-1</sup></center> |
---|
233 | </td> |
---|
234 | |
---|
235 | <td ALIGN=CENTER VALIGN=CENTER> |
---|
236 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_mar.dat">s_mar.dat</a></center> |
---|
237 | </td> |
---|
238 | </tr> |
---|
239 | |
---|
240 | <tr> |
---|
241 | <td> |
---|
242 | <center>Stratospheric</center> |
---|
243 | </td> |
---|
244 | |
---|
245 | <td> |
---|
246 | <center>75% H<sub>2</sub>SO<sub>4</sub></center> |
---|
247 | </td> |
---|
248 | |
---|
249 | <td> |
---|
250 | <center>100</center> |
---|
251 | </td> |
---|
252 | |
---|
253 | <td> |
---|
254 | <center>1.0</center> |
---|
255 | </td> |
---|
256 | |
---|
257 | <td> |
---|
258 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_h2so4.dat">s_h2so4.dat</a></center> |
---|
259 | </td> |
---|
260 | </tr> |
---|
261 | |
---|
262 | <tr> |
---|
263 | <td> |
---|
264 | <center>Volcanic</center> |
---|
265 | </td> |
---|
266 | |
---|
267 | <td> |
---|
268 | <center>Volcanic Ash</center> |
---|
269 | </td> |
---|
270 | |
---|
271 | <td> |
---|
272 | <center>100</center> |
---|
273 | </td> |
---|
274 | |
---|
275 | <td> |
---|
276 | <center>1.0</center> |
---|
277 | </td> |
---|
278 | |
---|
279 | <td> |
---|
280 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_volc.dat">s_volc.dat</a></center> |
---|
281 | </td> |
---|
282 | </tr> |
---|
283 | |
---|
284 | <tr> |
---|
285 | <td> |
---|
286 | <center>Cloudy </center> |
---|
287 | </td> |
---|
288 | |
---|
289 | <td> |
---|
290 | <center>Water</center> |
---|
291 | </td> |
---|
292 | |
---|
293 | <td> |
---|
294 | <center>100</center> |
---|
295 | </td> |
---|
296 | |
---|
297 | <td> |
---|
298 | <center>1.0</center> |
---|
299 | </td> |
---|
300 | |
---|
301 | <td> |
---|
302 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_cloud.dat">s_cloud.dat</a></center> |
---|
303 | </td> |
---|
304 | </tr> |
---|
305 | </table></center> |
---|
306 | |
---|
307 | <center><table COLS=1 WIDTH="640" > |
---|
308 | <tr> |
---|
309 | <td><sup>(*) </sup>See headers of data files for format and content description |
---|
310 | <br><sup>(**) </sup>For each aerosol model, the total sum of basic aerosol |
---|
311 | constituent concentrations has to be equal to 1 (dimensionless)</td> |
---|
312 | </tr> |
---|
313 | </table></center> |
---|
314 | |
---|
315 | <br> |
---|
316 | <br> |
---|
317 | <center><table BORDER COLS=2 WIDTH="640" > |
---|
318 | <caption><b><font color="#FF0000">Table 3. Integrated optical properties |
---|
319 | (<i>extinction coefficient, single scattering albedo, asymmetry factor</i>) |
---|
320 | computed for basic aerosol constituent by</font></b><font color="#FF0000"><a href="alexei_rublev.html" target="_blank">Rublev, |
---|
321 | 1994</a></font></caption> |
---|
322 | |
---|
323 | <tr> |
---|
324 | <td> |
---|
325 | <center><b>Basic aerosol constituent</b></center> |
---|
326 | </td> |
---|
327 | |
---|
328 | <td> |
---|
329 | <center><b>File<sup>(*)</sup></b></center> |
---|
330 | </td> |
---|
331 | </tr> |
---|
332 | |
---|
333 | <tr> |
---|
334 | <td> |
---|
335 | <center>Dust-like particles</center> |
---|
336 | </td> |
---|
337 | |
---|
338 | <td> |
---|
339 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_dust.dat">s_dust.dat</a></center> |
---|
340 | </td> |
---|
341 | </tr> |
---|
342 | |
---|
343 | <tr> |
---|
344 | <td> |
---|
345 | <center>water-soluble particles</center> |
---|
346 | </td> |
---|
347 | |
---|
348 | <td> |
---|
349 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_w_s.dat">s_w_s.dat</a></center> |
---|
350 | </td> |
---|
351 | </tr> |
---|
352 | |
---|
353 | <tr> |
---|
354 | <td> |
---|
355 | <center>Soot</center> |
---|
356 | </td> |
---|
357 | |
---|
358 | <td> |
---|
359 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_soot.dat">s_soot.dat</a></center> |
---|
360 | </td> |
---|
361 | </tr> |
---|
362 | |
---|
363 | <tr> |
---|
364 | <td> |
---|
365 | <center>Oceanic</center> |
---|
366 | </td> |
---|
367 | |
---|
368 | <td> |
---|
369 | <center><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/s_oc.dat">s_oc.dat</a></center> |
---|
370 | </td> |
---|
371 | </tr> |
---|
372 | </table></center> |
---|
373 | |
---|
374 | <center><sup>(*) </sup>See headers of data files for format and content |
---|
375 | description</center> |
---|
376 | |
---|
377 | <br><b><font color="#FF0000"></font></b> |
---|
378 | <center><table COLS=1 WIDTH="640" > |
---|
379 | <tr> |
---|
380 | <td> |
---|
381 | <center> |
---|
382 | <br><a NAME="fortran"></a><b><font color="#FF0000">Computation of the integrated |
---|
383 | optical properties of atmospheric aerosols from Table 3: the AERCOMP |
---|
384 | FORTRAN code</font></b></center> |
---|
385 | |
---|
386 | <p><font color="#000000">The FORTRAN code AERCOMP (UNIX version) has been |
---|
387 | developed at LITMS by <a href="alexei_rublev.html" target="_blank">Rublev, |
---|
388 | 1994</a>. It allows calculations of the above basic aerosol integrated |
---|
389 | optical properties (see Table 3) for more complex, composite aerosol models |
---|
390 | with user's selected concentrations of constituents, in the same <a href="alexei_rubl_form.html" target="_blank">format</a> |
---|
391 | as the *.dat files of Tables 2,3.</font> |
---|
392 | <p><font color="#000000">To download and install this software:</font> |
---|
393 | <ul> |
---|
394 | <li> |
---|
395 | <font color="#000000"><a href="http://ara.lmd.polytechnique.fr/ftpgeisa?geisa/iasi/aerosol/prog/rublev.tar">click |
---|
396 | here</a></font></li> |
---|
397 | |
---|
398 | <li> |
---|
399 | <font color="#000000">save <b>rublev.tar</b> file into a directory on the |
---|
400 | hard disk</font></li> |
---|
401 | |
---|
402 | <li> |
---|
403 | <font color="#000000">restore the compressed files with the command <i><font size=+1>tar |
---|
404 | xvf rublev.tar</font></i></font></li> |
---|
405 | |
---|
406 | <li> |
---|
407 | <font color="#000000">compile <b><a href="alexei_aercomp.html" target="_blank">aercomp.f</a></b> |
---|
408 | file with a FORTRAN compiler (e.g. <i><font size=+1>f77 aercomp.f -o aercomp</font></i>) |
---|
409 | <b>aercomp</b> is the executable in this example</font></li> |
---|
410 | </ul> |
---|
411 | <font color="#FF0000"><b>Description and use of the AERCOMP program</b>.</font> |
---|
412 | <p>The aerocomp.f program uses the following files: |
---|
413 | <ul> |
---|
414 | <li> |
---|
415 | <b>i_*.dat</b> binary files (Float, 4 bytes) with the optical properties |
---|
416 | of the 7 basic aerosol constituents listed in Table 2 (column 2) and with |
---|
417 | values of the phase function at 204 angles (in degres) from the <b><a href="alexei_ug204.html" target="_blank">ug_204.dat</a></b> |
---|
418 | file. Table 4 summarizes the involved constituents (column 1) and the corresponding |
---|
419 | i_*.dat files (column 2).</li> |
---|
420 | </ul> |
---|
421 | </td> |
---|
422 | </tr> |
---|
423 | </table></center> |
---|
424 | <b><font color="#FF0000"></font></b> |
---|
425 | <br><b><font color="#FF0000"></font></b> |
---|
426 | <br> |
---|
427 | <br> |
---|
428 | <center><table BORDER COLS=2 WIDTH="640" > |
---|
429 | <caption><b><font color="#FF0000">Table 4. Basic aerosol constituents and |
---|
430 | related i_*.dat binary files used by the AEROCOMP code.</font></b></caption> |
---|
431 | |
---|
432 | <tr> |
---|
433 | <td> |
---|
434 | <center><b>Basic aerosol constituent</b></center> |
---|
435 | </td> |
---|
436 | |
---|
437 | <td> |
---|
438 | <center><b>i_*.dat file</b></center> |
---|
439 | </td> |
---|
440 | </tr> |
---|
441 | |
---|
442 | <tr> |
---|
443 | <td> |
---|
444 | <center>Dust-like</center> |
---|
445 | </td> |
---|
446 | |
---|
447 | <td> |
---|
448 | <center>i_dust.dat</center> |
---|
449 | </td> |
---|
450 | </tr> |
---|
451 | |
---|
452 | <tr> |
---|
453 | <td> |
---|
454 | <center>Water-soluble</center> |
---|
455 | </td> |
---|
456 | |
---|
457 | <td> |
---|
458 | <center>i_w_s.dat</center> |
---|
459 | </td> |
---|
460 | </tr> |
---|
461 | |
---|
462 | <tr> |
---|
463 | <td> |
---|
464 | <center>Soot</center> |
---|
465 | </td> |
---|
466 | |
---|
467 | <td> |
---|
468 | <center>i_soot.dat</center> |
---|
469 | </td> |
---|
470 | </tr> |
---|
471 | |
---|
472 | <tr> |
---|
473 | <td> |
---|
474 | <center>Ocean</center> |
---|
475 | </td> |
---|
476 | |
---|
477 | <td> |
---|
478 | <center>i_oc.dat</center> |
---|
479 | </td> |
---|
480 | </tr> |
---|
481 | |
---|
482 | <tr> |
---|
483 | <td> |
---|
484 | <center>75% H<sub>2</sub>SO<sub>4</sub></center> |
---|
485 | </td> |
---|
486 | |
---|
487 | <td> |
---|
488 | <center>i_h2so4.dat</center> |
---|
489 | </td> |
---|
490 | </tr> |
---|
491 | |
---|
492 | <tr> |
---|
493 | <td> |
---|
494 | <center>Volcanic Ash</center> |
---|
495 | </td> |
---|
496 | |
---|
497 | <td> |
---|
498 | <center>i_volc.dat</center> |
---|
499 | </td> |
---|
500 | </tr> |
---|
501 | |
---|
502 | <tr> |
---|
503 | <td> |
---|
504 | <center>Water (cloud)</center> |
---|
505 | </td> |
---|
506 | |
---|
507 | <td> |
---|
508 | <center>i_cloud.dat</center> |
---|
509 | </td> |
---|
510 | </tr> |
---|
511 | </table></center> |
---|
512 | |
---|
513 | <br><b><font color="#000000"></font></b> |
---|
514 | <center><table COLS=1 WIDTH="640" > |
---|
515 | <tr> |
---|
516 | <td><b><font color="#000000">Format of i_*.dat binary files:</font></b> |
---|
517 | <p><font color="#000000">The<b> i_*.dat</b> binary files delivered with |
---|
518 | the AEROCOMP software are 2D arrays (61columns x 210 lines) of real numbers |
---|
519 | (Float, 4 bytes) stored as disk files. They comprise the following data:</font> |
---|
520 | <ul> |
---|
521 | <li> |
---|
522 | <i><font color="#000000">The first line contains ordered numbers from 1 |
---|
523 | to 61;</font></i></li> |
---|
524 | |
---|
525 | <li> |
---|
526 | <i><font color="#000000">The second line (i.e. the records number from |
---|
527 | 62 to 122) contains the values of 61 irregular spaced wavelengths from |
---|
528 | 0.2 to 40 micrometers;</font></i></li> |
---|
529 | |
---|
530 | <li> |
---|
531 | <i><font color="#000000">The third line contains the extinction coefficients, |
---|
532 | in km<sup>-1</sup>, for a particle number concentration N=1 particle per |
---|
533 | cm<sup>3</sup>, at the wavelengths given in line two;</font></i></li> |
---|
534 | |
---|
535 | <li> |
---|
536 | <i><font color="#000000">The fourth line contains the single scattering |
---|
537 | albedo values at the above mentioned wavelengths;</font></i></li> |
---|
538 | |
---|
539 | <li> |
---|
540 | <i><font color="#000000">The fifth line contains the asymmetry factors |
---|
541 | at the above mentioned wavelengths;</font></i></li> |
---|
542 | |
---|
543 | <li> |
---|
544 | <i><font color="#000000">The sixth line contains the normalization factors |
---|
545 | at the above mentioned wavelengths;</font></i></li> |
---|
546 | |
---|
547 | <li> |
---|
548 | <i><font color="#000000">The remaining 204 lines from 7 to 210 contain |
---|
549 | the phase function values at the above mentioned 61 wavelengths and at |
---|
550 | 204 angles (irregulary spaced from 0 to 180 degrees) stored in the ug_204.dat |
---|
551 | file: e.g. line 7 contains the phase function values at the first angle |
---|
552 | value of the ug_204.dat file (0 degree), line 8 contains the phase function |
---|
553 | values at 0.02 degrees (second value of the ug_204.dat file), etc...</font></i></li> |
---|
554 | </ul> |
---|
555 | <font color="#000000">The detailed description and the explicit formulas |
---|
556 | for the above listed (see Table 2) optical parameters can be found in <a href="alexei_rublev.html">Rublev, |
---|
557 | 1994</a></font> |
---|
558 | <ul> |
---|
559 | <li> |
---|
560 | <b>inp_comp.dat</b> file: control parameters file to be set up by the user.</li> |
---|
561 | |
---|
562 | <li> |
---|
563 | <b>lm_sh.dat</b> file: file with wavelengths (in micrometers) used for |
---|
564 | calculations of the basic aerosol constituents integrated optical properties |
---|
565 | according to the Mie theory. <b><i>The user should not change this file!</i></b></li> |
---|
566 | |
---|
567 | <li> |
---|
568 | <b>ug_204.dat</b> file: file with the angles values (in degrees) used for |
---|
569 | calculation of the phase function of the basic aerosol constituents. <b><i>The |
---|
570 | user should not change this file!</i></b></li> |
---|
571 | </ul> |
---|
572 | The<b> inp_comp.dat</b> file delivered with this software package as an |
---|
573 | example, allows the computations of integral optical characteristics |
---|
574 | of the continental aerosol model given in Table 2, storing them into the |
---|
575 | <b>s_cont1.dat</b> |
---|
576 | (ASCII) and <b>i_cont1.dat</b> (binary) files. |
---|
577 | <font color="#000000">The |
---|
578 | control parameters file <b>inp_comp.dat</b> contains N+1 blocs, where N |
---|
579 | is the number of the basic aerosol constituents (N<sub>max</sub>=7) in |
---|
580 | an aerosol of interest.</font> |
---|
581 | <br>The <b>s_cont1.dat </b>file contains the same integrated optical properties |
---|
582 | (<font color="#000000">extinction coefficient, single scattering albedo, |
---|
583 | asymmetry factor, and normalization factor)</font>and has the same format |
---|
584 | as the <b>*.dat</b> files from Table 3. |
---|
585 | <br>The <b>i_cont1.dat</b> file has the same binary format as the above |
---|
586 | mentioned the <b>i_*.dat</b> files (only it corresponds to 2D array with |
---|
587 | 13 columns and 187 lines- see parameters in Table 5). |
---|
588 | <br>The user should set up the parameters of an aerosol of interest filling |
---|
589 | up the fields of the <b>inp_comp.dat</b> file and then run the executable |
---|
590 | <b>aercomp</b>. |
---|
591 | Note that the binary file |
---|
592 | <b>i_cont1.dat</b> can be used as an input file |
---|
593 | for |
---|
594 | <b>aercomp.f |
---|
595 | </b>program in order to compose more complex aerosol models. |
---|
596 | <br><a href="#table5">Table 5</a>, given as an example, describes |
---|
597 | the <b>inp_comp.dat</b> file corresponding to an aerosol mixture including |
---|
598 | three basic constituents: i.e., dust-like, water-soluble, and soot particles, |
---|
599 | with the respective particles number concentrations (in particles per cm<sup>3</sup>): |
---|
600 | 2.26278 10<sup>-6</sup>, 0.937437, and 0.0625607. In column 1 are the input |
---|
601 | and output parameters for computations. Column 2 gives identification |
---|
602 | of column 1 data in the <a href="alexei_aercomp.html" target="_blank">aercomp.f</a> |
---|
603 | program, and column 3 describes column 1 data. |
---|
604 | <br>The integrated optical parameters will be computed at the wavelengths |
---|
605 | and at the angles stored in the <b>lm_exam.dat</b> and<b> ug_181.dat</b> |
---|
606 | files respectively. Note, that the wavelength and angle values stored in |
---|
607 | these files have to be within the same interval (i.e. from 0.2 to 40 microns |
---|
608 | for wavelengths and from 0 to 180 degrees for angles) as those of the |
---|
609 | <b>lm_sh.dat</b> |
---|
610 | and <b>ug_204.dat</b> files respectively. The program uses a linear interpolation |
---|
611 | algorithm to calculate the integrated optical properties at the wavelengths |
---|
612 | and angles stored in the <b>lm_exam.dat</b> and<b> ug_181.dat</b> files. |
---|
613 | <br> </td> |
---|
614 | </tr> |
---|
615 | </table></center> |
---|
616 | <b><font color="#000000"></font></b> |
---|
617 | <center> |
---|
618 | <p><a NAME="table5"></a><b><font color="#FF0000">Table 5. Example of the<font size=+1> |
---|
619 | inp_comp.dat |
---|
620 | </font>file delivered with this software package</font><sup><font color="#000000">(*)</font></sup></b></center> |
---|
621 | |
---|
622 | <p><br> |
---|
623 | <center><table BORDER COLS=1 WIDTH="87%" > |
---|
624 | <tr> |
---|
625 | <td><i>3 </i> |
---|
626 | n_comp - NUMBER OF BASIC AEROSOL CONSTITUENTS |
---|
627 | <br><i>13 </i> |
---|
628 | n_m0 - NUMBER OF |
---|
629 | WAVELENGTHS TO BE USED IN CALCULATIONS<sup>(**)</sup> |
---|
630 | <br><i>lm_exam.dat</i> name_m0 - FILE |
---|
631 | FOR SELECTED WAVELENGTHS |
---|
632 | <br>181 |
---|
633 | n_ug0 - TOTAL |
---|
634 | NUMBER OF SELECTED ANGULAR MESH POINTS<sup>(***)</sup> |
---|
635 | <br><i>ug_181.dat</i> name_ug0 - |
---|
636 | FILE WITH ANGULAR MESH POINTS |
---|
637 | <br><i>s_cont1.dat</i> s_dat |
---|
638 | - OUTPUT FILE FOR EXTINCTION COEFFICIENTS |
---|
639 | <br><i>i_cont1.dat </i> i_dat |
---|
640 | - OUTPUT FILE FOR PHASE FUNCTION |
---|
641 | <br>************************************************************************** |
---|
642 | <br><b>61</b> |
---|
643 | n_m - |
---|
644 | NUMBER OF WAVELENGTHS TO BE USED IN CALCULATIONS |
---|
645 | <br><b>i_dust.dat </b> |
---|
646 | nc_ind - INPUT FILE FOR BASIC AEROSOL |
---|
647 | CONSTITUENT PARAMETERS |
---|
648 | <br><i>2.26278E-6</i> si |
---|
649 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
---|
650 | <br><b>lm_sh.dat</b><i> </i> |
---|
651 | name_m - FILE OF WAVELENGTHS |
---|
652 | <br><b>204</b> |
---|
653 | n_ug - |
---|
654 | TOTAL NUMBER OF ANGULAR MESH POINTS |
---|
655 | <br><b>ug_204.dat</b> name_ug |
---|
656 | - FILE OF ANGULAR MESH POINTS |
---|
657 | <br>************************************************************************** |
---|
658 | <br><b>61</b><i> </i> |
---|
659 | n_m - |
---|
660 | NUMBER OF WAVELENGTHS TO BE USED IN CALCULATIONS |
---|
661 | <br><b>i_w_s.dat </b> |
---|
662 | nc_ind - INPUT FILE |
---|
663 | FOR BASIC AEROSOL CONSTITUENT PARAMETERS |
---|
664 | <br><i>0.937437</i> |
---|
665 | si |
---|
666 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
---|
667 | <br><b>lm_sh.dat</b><i> </i> |
---|
668 | name_m - FILE OF WAVELENGTHS |
---|
669 | <br><b>204 </b> |
---|
670 | n_ug - |
---|
671 | TOTAL NUMBER OF ANGULAR MESH POINTS |
---|
672 | <br><b>ug_204.dat</b><i> </i> |
---|
673 | name_ug - FILE OF THE ANGULAR MESH POINTS |
---|
674 | <br>************************************************************************** |
---|
675 | <br><b>61</b> |
---|
676 | n_m - NUMBER |
---|
677 | OF WAVELENGTHS TO BE USED IN CALCULATIONS |
---|
678 | <br><b>i_soot.dat </b> |
---|
679 | nc_ind - INPUT FILE FOR BASIC AEROSOL CONSTITUENT |
---|
680 | PARAMETERS |
---|
681 | <br><i>0.0625607 </i> |
---|
682 | si |
---|
683 | - PARTICLE NUMBER CONCENTRATION (particle cm<sup>-3</sup>) |
---|
684 | <br><b>lm_sh.dat </b> |
---|
685 | name_m - FILE OF WAVELENGTHS |
---|
686 | <br><b>204</b><i> </i> |
---|
687 | n_ug - TOTAL |
---|
688 | NUMBER OF ANGULAR MESH POINTS |
---|
689 | <br><b>ug_204.dat </b> |
---|
690 | name_ug - FILE OF THE ANGULAR MESH POINTS |
---|
691 | <br>**************************************************************************</td> |
---|
692 | </tr> |
---|
693 | </table></center> |
---|
694 | |
---|
695 | <br><b><sup><font color="#000000"></font></sup></b> |
---|
696 | <center><table COLS=1 WIDTH="640" > |
---|
697 | <tr> |
---|
698 | <td><font color="#000000"><b><sup>(*) </sup></b>Parameters in italic can |
---|
699 | be changed by the user for own calculations. <b>Parameters in bold should |
---|
700 | not be changed!</b></font> |
---|
701 | <br><font color="#000000"><b><sup>(**) </sup></b>The parameter n_m0 should |
---|
702 | be less or equal to the total number of records in the lm_exam.dat file.</font> |
---|
703 | <br><font color="#000000"><b><sup>(***) </sup></b>The parameter n_ug0 should |
---|
704 | be less or equal to the total number of records in the ug_181.dat file.</font> |
---|
705 | <br> |
---|
706 | <br> </td> |
---|
707 | </tr> |
---|
708 | </table></center> |
---|
709 | |
---|
710 | </body> |
---|
711 | </html> |
---|