1.Project: QUILT 2.Station:Stara Zagora (Bulgaria) 42N, 25E 3.Research Group: Institute for Atmospheric and Climatic Science (ISAC-CNR), Bologna 4.Investogator's name: Dr. Ivan Kostadinov E-mail: i.kostadinov@isac.cnr.it <--> In collaboration with STIL-Bulgarian Academy of Science 5.Instrument: UV-Visible spectrometer 6.Activities carried out since last report: Continuous morning and evening measurements of O3 and NO2 vertical columns. 7.Preliminary results: vertical column O3 (Dobson units) and NO2 (1.E15 mol/cm2) (AM/PM SZA coverage: 70-93) This is preliminary data, and thus should not be used in scientific publications or presentations without the consent of the principle investigator. 8.Comments: Some NO2 mesurements may be affected by tropospheric pollution. Those data with a 'P' indicate tropospheric signatures. 9.Missing values: 999 for O3, 99.9 for NO2. Date Day O3 AM O3 PM NO2 AM NO2 PM ----------------------------------------------------------------------------- 20011101 305 262 267 1.86 3.11 20011102 306 244 245 1.98 2.74 20011103 307 254 234 1.71 3.04 20011104 308 270 243 2.01 3.13 20011105 309 284 257 2.33 3.27 20011106 310 250 246 2.21 3.09 20011107 311 336 276 2.15 3.19 20011108 312 270 261 2.03 3.06 20011109 313 284 259 1.94 3.08 20011110 314 267 236 1.95 2.91 20011111 315 270 266 2.55 2.36 20011112 316 264 243 1.63 2.46 20011113 317 268 323 1.68 2.76 20011114 318 314 236 1.65 2.73 20011115 319 281 256 1.88 3.33 20011116 320 255 247 1.87 2.11 20011117 321 282 198 1.97 2.44 20011118 322 214 194 1.96 2.42 20011119 323 236 267 2.27 2.98 20011120 324 304 237 2.42 2.78 20011121 325 999 999 99.9 99.9 20011122 326 266 248 1.76 2.61 20011123 327 295 270 1.62 2.55 20011124 328 341 338 2.59P 3.39 20011125 329 326 286 2.32 2.48 20011126 330 317 271 1.33 2.02 20011127 331 267 249 1.44 2.05 20011128 332 278 259 1.01 2.05 20011129 333 335 321 1.31 2.18 20011130 334 341 333 1.17 2.32 20011201 335 325 276 1.21 1.91 20011202 336 356 337 1.19 2.15 20011203 337 416 348 1.43 2.22 20011204 338 420 999 1.08 99.9 20011205 339 999 999 99.9 99.9 20011206 340 999 302 99.9 99.9 20011207 341 348 266 1.56 2.28 20011208 342 320 245 1.42 2.04 20011209 343 289 283 1.62 2.07 20011210 344 285 999 1.31 99.9 20011211 345 276 279 1.21 2.84P 20011212 346 287 285 1.51 2.28 20011213 347 296 265 1.33 2.18 20011214 348 289 276 1.52 2.26 20011215 349 328 309 1.51 2.37 20011216 350 336 298 3.68P 3.53P 20011217 351 302 382 2.17 3.27P 20011218 352 379 356 1.68 2.36 20011219 353 357 309 1.46 2.14 20011220 354 324 268 1.25 2.67 20011221 355 345 317 1.56 2.73 20011222 356 316 268 1.37 2.34 20011223 357 327 337 1.09 2.17 20011224 358 377 999 1.43 99.9 20011225 359 999 999 99.9 99.9 20011226 360 999 999 99.9 99.9 20011227 361 999 999 99.9 99.9 20011228 362 999 333 99.9 2.77 20011229 363 326 266 1.58 2.57 20011230 364 348 294 1.66 3.04 20011231 365 306 294 2.2 3.2 20020101 1 282 280 3.9P 3.04 20020102 2 290 284 1.49 2.38 20020103 3 369 362 1.89 1.88 20020104 4 371 380 1.58 2.18 20020105 5 366 333 1.31 2.04 20020106 6 315 322 1.5 2.03 20020107 7 350 329 1.12 .71 20020108 8 393 342 2.36P 3.97P 20020109 9 314 277 2.01P 1.51 20020110 10 224 243 1.25 2.06P 20020111 11 318 290 1.1 1.89 20020112 12 308 287 1. 1.76 20020113 13 314 313 1.18 2.41P 20020114 14 284 293 1.77P 3.31P 20020115 15 330 340 1.7 2.67P 20020116 16 330 356 1.66 2.34 20020117 17 338 348 1.59 2.63 20020118 18 347 324 5.1P 3.97P 20020119 19 416 319 2.57P 2.26 20020120 20 283 287 1.07 1.98 20020121 21 342 340 1.31 2.14 20020122 22 293 239 1.24 2.22 20020123 23 231 324 1.29 1.96 20020124 24 322 331 1.33 2.24 20020125 25 337 321 1.19 2.07 20020126 26 315 265 1.16 2.02 20020127 27 273 286 1.27 2.36 20020128 28 331 289 1.27 2.12 20020129 29 299 258 1.38 2.46 20020130 30 256 246 1.39 2.39 20020131 31 251 237 1.62 2.4 20020201 32 275 268 1.53 2.89 20020202 33 257 271 1.59 2.46 20020203 34 267 238 1.47 2.81 20020204 35 236 283 1.7 2.46 20020205 36 294 360 1.68 2.67 20020206 37 353 216 1.37 2.2 20020207 38 234 239 1.34 2.13 20020208 39 223 280 1.31 2.45 20020209 40 311 246 1.39 2.67 20020210 41 232 228 1.52 2.53 20020211 42 999 999 99.9 99.9 20020212 43 999 999 99.9 99.9 20020213 44 189 210 1.49 2.43 20020214 45 221 269 1.7 2.86 20020215 46 274 999 1.96 99.9 20020216 47 999 999 99.9 99.9 20020217 48 999 999 99.9 99.9 20020218 49 999 999 99.9 99.9 20020219 50 293 351 1.66 3.06 20020220 51 327 359 1.57 3.01 20020221 52 400 398 1.4 2.77 20020222 53 999 999 99.9 99.9 20020223 54 999 999 99.9 99.9 20020224 55 999 999 99.9 99.9 20020225 56 999 326 99.9 2.93 20020226 57 303 308 1.41 2.78 20020227 58 311 288 1.53 2.63 20020228 59 262 299 1.51 3.01 20020301 60 274 291 1.62 3.16 20020302 61 284 301 1.7 3.14 20020303 62 999 999 99.9 99.9 20020304 63 999 999 99.9 1.75 20020305 64 999 764 2.03 2.2 20020306 65 999 999 99.9 99.9 20020307 66 999 999 99.9 99.9 20020308 67 384 290 2.09 3.05 20020309 68 362 322 2.36 3.19 20020310 69 392 396 2.22 3.41 20020311 70 420 999 2.27 3.8 20020312 71 999 351 3.1 3.39 20020313 72 373 339 2.75 3.66 20020314 73 351 278 2.49 4.07 20020315 74 345 299 2.56 3.85 20020316 75 375 378 2.37 4.49 20020317 76 418 368 2.49 3.93 20020318 77 999 999 99.9 99.9 20020319 78 999 999 99.9 99.9 20020320 79 999 999 99.9 99.9 20020321 80 439 364 2.84 4.09 20020322 81 388 427 3.07 5.72P 20020323 82 498 425 4.33 4.2 20020324 83 432 427 3.18 4.59 20020325 84 497 452 2.88 4.84 20020326 85 464 464 3.17 4.4 20020327 86 481 473 2.67 4.13 20020328 87 521 999 2.5 99.9 20020329 88 999 488 99.9 4.65 20020330 89 485 429 2.95 5.04 20020331 90 493 476 2.83 4.22 20020401 91 497 475 2.8 4.4 20020402 92 460 457 2.59 4.31 20020403 93 498 493 2.78 3.99 20020404 94 544 474 2.54 4.38 20020405 95 999 999 99.9 99.9 20020406 96 999 999 99.9 99.9 20020407 97 999 999 99.9 99.9 20020408 98 551 532 2.96 4.65 20020409 99 685 621 2.6 5.33 20020410 100 651 606 2.91 4.77 20020411 101 652 516 2.88 4.67 20020412 102 714 627 2.55 5.51 20020413 103 527 486 3.78P 4.37 20020414 104 618 526 3.08 4.84 20020415 105 621 524 3.35 4.6