File name: Pandora104s1_Downsview_20201101_L2Fit_fout2c20d20191115p1-8.txt File generation date: 20241127T065944.9Z Data description: Level 2 spectral fitting results file Data file version: fout2c20p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 104 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora104_OF_v10d20171009.txt Instrument calibration file used: Pandora104s1_CF_v20d20191115.txt Level 1 file used: Pandora104s1_Downsview_20201101_L1_smca1c20d20191115p1-8.txt Full location name: Environment Canada HQ - Downsview Short location name: Downsview Country of location: Canada Location latitude [deg]: 43.7810 Location longitude [deg]: -79.4680 Location altitude [m]: 187 Local noon date: 20201101 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are dark map for dark correction (replaced by immediate dark method), latency correction, matrix method stray light correction (replaced by simple method) Data caveats: Based session 15 to update SO2 in VP 20191115" First and last pixel inside fitting window: 209 351 Nominal wavelengths inside fitting window [nm]: 305.1185 305.2591 305.3997 305.5402 305.6807 305.8212 305.9617 306.1022 306.2427 306.3832 306.5237 306.6641 306.8045 306.9450 307.0854 307.2258 307.3662 307.5066 307.6469 307.7873 307.9276 308.0680 308.2083 308.3486 308.4889 308.6292 308.7695 308.9098 309.0500 309.1903 309.3305 309.4707 309.6109 309.7511 309.8913 310.0315 310.1717 310.3118 310.4520 310.5921 310.7322 310.8724 311.0125 311.1526 311.2926 311.4327 311.5728 311.7128 311.8528 311.9928 312.1329 312.2729 312.4128 312.5528 312.6928 312.8327 312.9727 313.1126 313.2525 313.3924 313.5323 313.6722 313.8121 313.9520 314.0918 314.2316 314.3715 314.5113 314.6511 314.7909 314.9307 315.0704 315.2102 315.3500 315.4897 315.6294 315.7691 315.9088 316.0485 316.1882 316.3279 316.4675 316.6072 316.7468 316.8864 317.0260 317.1656 317.3052 317.4448 317.5844 317.7239 317.8635 318.0030 318.1425 318.2820 318.4215 318.5610 318.7005 318.8399 318.9794 319.1188 319.2583 319.3977 319.5371 319.6765 319.8159 319.9552 320.0946 320.2339 320.3733 320.5126 320.6519 320.7912 320.9305 321.0698 321.2090 321.3483 321.4875 321.6268 321.7660 321.9052 322.0444 322.1836 322.3227 322.4619 322.6011 322.7402 322.8793 323.0184 323.1575 323.2966 323.4357 323.5748 323.7138 323.8529 323.9919 324.1309 324.2699 324.4089 324.5479 324.6869 324.8259 324.9648 --------------------------------------------------------------------------------------- Column 1: Two letter code of measurement routine Column 2: UT date and time for center-time of measurement, yyyymmddThhmmssZ (ISO 8601) Column 3: Fractional days since 1-Jan-2000 midnight for center-time of measurement Column 4: Routine count (1 for the first routine of the day, 2 for the second, etc.) Column 5: Repetition count (1 for the first set in the routine, 2 for the second, etc.) Column 6: Total duration of measurement set in seconds Column 7: Data processing type index Column 8: Solar zenith angle for center-time of measurement in degree Column 9: Solar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 10: Lunar zenith angle for center-time of measurement in degree Column 11: Lunar azimuth for center-time of measurement in degree, 0=north, increases clockwise Column 12: Pointing zenith angle in degree, absolute or relative (see next column), 999=tracker not used Column 13: Zenith pointing mode: zenith angle is... 0=absolute, 1=relative to sun, 2=relative to moon Column 14: Pointing azimuth in degree, increases clockwise, absolute (0=north) or relative (see next column), 999=tracker not used Column 15: Azimuth pointing mode: like zenith angle mode but also fixed scattering angles relative to sun (3) or moon (4) Column 16: Fitting result index: 0=no error or warning, 1, 2=warning, >2=error Column 17: Number of function evaluations used, 0=linear fitting or fitting not successful or no fitting done Column 18: rms of unweighted fitting residuals, -9=fitting not successful Column 19: Normalized rms of fitting residuals weighted with independent uncertainty, -9=fitting not successful or no uncertainty used Column 20: Expected rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 21: Expected normalized weighted rms based on independent uncertainty, -9=fitting not successful or no uncertainty given Column 22: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 24: Structured uncertainty of ozone slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 25: Common uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 26: rms-based uncertainty of ozone slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 27: Ozone effective temperature [K] Column 28: Independent uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 29: Structured uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 30: Common uncertainty of ozone effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 31: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for ozone [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Sulfur dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 35: Structured uncertainty of sulfur dioxide slant column amount [moles per square meter], -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 36: Common uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -6=no common uncertainty input was given, -7=not given since method "MEAS" was chosen, -9=spectral fitting not successful Column 37: rms-based uncertainty of sulfur dioxide slant column amount [moles per square meter], -1=cross section is zero in this wavelength range, -3=spectral fitting was done, but no rms-based uncertainty could be retrieved, -9=spectral fitting not successful Column 38: Sulfur dioxide effective temperature [K] Column 39: Independent uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no independent uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -5=no independent uncertainty input was given, -9=spectral fitting not successful Column 40: Structured uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -9=spectral fitting not successful Column 41: Common uncertainty of sulfur dioxide effective temperature [K], -1=temperature fitting was requested, but cross section is zero in this wavelength range, -2=no temperature fitting was requested and output for effective temperature and structured uncertainty of it is based on f-code, -3=spectral fitting was done, but no common uncertainty could be retrieved, -4=temperature fitting was requested, but differential optical depth is too small to retrieve the temperature, -6=no common uncertainty input was given, -9=spectral fitting not successful Column 42: Effective sulfur dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for sulfur dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 45: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 46: Lower limit used for wavelength scaling [nm] Column 47: Upper limit used for wavelength scaling [nm] Column 48: Order of smoothing polynomial Column 49: Smoothing polynomial coefficient, order 0 Column 50: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 51: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 52: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 53: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 54: Smoothing polynomial coefficient, order 1 Column 55: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 56: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 57: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 58: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 59: Smoothing polynomial coefficient, order 2 Column 60: Independent uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 61: Structured uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 62: Common uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 63: rms-based uncertainty of smoothing polynomial coefficient, order 2, -9=fitting not successful Column 64: Smoothing polynomial coefficient, order 3 Column 65: Independent uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 66: Structured uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 67: Common uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 68: rms-based uncertainty of smoothing polynomial coefficient, order 3, -9=fitting not successful Column 69: Mean value of measured data inside fitting window [same units as measurements] Column 70: Wavelength change polynomial coefficient, order 0 Column 71: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 72: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 76: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 77: L2Fit data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 78: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ1 limit, 0=L1 data quality above 0, 1=Spectral fitting was not successful, 2=Wavelength shift too large, 3=Normalized rms of fitting residuals weighted with independent uncertainty too large Column 79: Sum over 2^i using those i, for which the corresponding L2Fit data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 80: L1 data quality flag: 0=assured high quality, 1=assured medium quality, 2=assured low quality, 10=not-assured high quality, 11=not-assured medium quality, 12=not-assured low quality Column 81: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ1 limit, 0=Saturated data, 1=Too few dark counts measurements, 2=No temperature given or effective temperature too different from the reference temperature, 3=Dark count too high, 4=Unsuccessful dark background fitting, 5=The dark count differs significantly from the dark map for too many pixels, 6=Absolute value of estimated average residual stray light level too high, 7=Although attempted, no wavelength change could be retrieved, 8=Absolute value of retrieved wavelength shift too large, 9=Retrieved wavelength shift differs too much from the shift predicted by the effective temperature Column 82: Sum over 2^i using those i, for which the corresponding L1 data quality parameter exceeds the DQ2 limit (same parameters as for DQ1) Column 83: Atmospheric variability [%], 999=no atmospheric variability was determined Column 84: Wavelength effective temperature [°C], 999=no effective temperature given Column 85: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 86: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 87: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 88: Number of bright count cycles Column 89: Number of dark count cycles Column 90: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 91: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 92: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 93: Integration time [ms] Column 94: Temperature at electronics board [°C], 999=no temperature signal Column 95: Spectrometer control temperature [°C], 999=no temperature signal Column 96: Auxiliary spectrometer temperature [°C], 999=no temperature signal Columns 97-239: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 240-382: Normalized slant column residuals weighted with independent instrumental uncertainty for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting, 0=no independent instrumental uncertainty was given --------------------------------------------------------------------------------------- SS 20201101T181719.9Z 7610.762036 454 1 49.77 2 61.05 201.05 120.80 6.54 0.00 1 0.00 1 0 17 2.246e-02 7.347e-03 1.631e-02 3.414e-03 2.787010e-01 1.727214e-03 3.392865e-03 -6.000000e+00 1.290346e-02 223.74 -2.00 3.57 -2.00 318.40 0.00e+00 8.735114e-04 3.322289e-04 3.495693e-04 -6.000000e+00 5.731819e-04 278.78 -2.00 20.00 -2.00 317.71 0.00e+00 2.056 0.000 302.00 328.00 3 5.2668e+00 4.6319e-03 2.4625e-02 -6.0000e+00 3.1810e-02 5.1361e-02 5.2843e-03 1.4311e-02 -6.0000e+00 3.4680e-02 1.1352e-02 3.4109e-03 7.1890e-03 -6.0000e+00 2.0669e-02 -1.6206e-02 1.7375e-03 2.1453e-03 -6.0000e+00 8.7283e-03 2.5674e-04 3.4100e-05 1.0358e-04 2.3038e-05 -6.0000e+00 6.2232e-04 -2.5018e-04 0.0000e+00 11 8 0 10 0 0 99.99 25.28 0.23 -0.00025 0.00001 107 22 1 5 0 465.090 25.28 15.00 22.05 -4862 2667 -7022 1998 5654 -8291 -3186 -3308 -4759 -8231 -2486 -7186 -1454 -5937 3176 -5258 1433 -512 4116 491 4102 -1906 4458 991 -471 -1103 -413 -1504 -3574 613 -1976 3817 -828 -1161 -7762 723 -3218 3044 -1160 398 -1819 522 -452 683 -1057 1315 -453 52 -496 -710 1137 135 1162 428 1099 -45 911 -847 1348 223 2769 1344 2253 1180 1312 -717 326 218 1409 1320 -152 345 -325 547 -616 -228 -2147 -688 -1452 -427 -1920 -702 -2587 -1361 -809 361 447 567 813 159 297 -280 -126 -400 471 -217 85 -474 260 -1074 50 -1536 450 -783 -347 -1659 -405 -613 1058 659 763 328 345 636 -69 249 266 209 -28 -333 -216 85 -102 733 77 1126 -436 766 38 -149 -241 -445 -145 364 423 -298 315 12 267 -419 153 -739 -204 -348 187 -544 131 330 -547 -218 -256 -405 -744 -211 -687 -150 -737 410 -794 211 -81 642 82 677 -329 749 183 -93 -224 -82 -285 -664 110 -395 779 -192 -270 -1801 158 -812 856 -402 154 -769 225 -202 304 -479 585 -201 22 -215 -315 528 68 608 237 618 -26 535 -501 769 129 1629 865 1546 864 945 -487 208 138 967 1015 -126 293 -275 441 -469 -156 -1385 -427 -971 -320 -1608 -636 -2515 -1370 -865 407 527 679 964 182 319 -279 -116 -368 462 -235 99 -610 350 -1426 62 -1782 498 -913 -436 -2188 -553 -869 1559 1031 1249 540 549 948 -96 331 358 292 -42 -523 -343 133 -155 1071 109 1519 -567 1003 53 -224 -379 -714 -237 618 756 -560 600 24 520 -802 284 -1332 -362 SS 20201101T202202.4Z 7610.848639 518 1 26.75 2 74.28 230.45 112.28 37.45 0.00 1 0.00 1 0 17 8.544e-02 5.660e-03 2.189e-02 1.158e-03 4.715277e-01 6.002253e-04 5.590017e-03 -6.000000e+00 4.908216e-02 223.73 -2.00 3.57 -2.00 320.02 0.00e+00 3.392743e-03 1.975524e-04 1.131108e-03 -6.000000e+00 2.180370e-03 278.77 -2.00 20.00 -2.00 319.41 0.00e+00 3.627 0.001 302.00 328.00 3 1.6933e+00 1.7404e-03 4.2965e-02 -6.0000e+00 1.2100e-01 3.1323e-02 2.1074e-03 2.4646e-02 -6.0000e+00 1.3192e-01 -4.5875e-03 1.8270e-03 1.3608e-02 -6.0000e+00 7.8623e-02 -9.8145e-03 9.4024e-04 5.3750e-03 -6.0000e+00 3.3200e-02 1.6235e-03 -1.3534e-04 3.4054e-05 5.9299e-05 -6.0000e+00 2.3672e-03 3.4798e-05 0.0000e+00 12 1 1 12 9 1 99.97 25.28 0.23 0.00003 -0.00098 233 89 1 5 0 113.090 25.28 15.00 22.03 -26943 -14855 -22991 -30005 -28000 -39404 -25864 -32927 -21651 -40304 -16672 -23615 -7398 -9991 5241 -4947 1627 607 2344 -1104 2246 -1722 -2347 -3812 -4712 -4996 -6955 -5268 -5894 -440 -1440 710 -1182 -331 -5756 -1558 -2770 1673 -1446 -384 -2314 -530 -938 302 621 1415 -356 1083 -625 669 2041 915 1984 1420 1043 161 208 -885 686 -98 2137 2173 2420 2261 888 114 260 123 1689 1206 255 121 -998 152 -831 -641 -1340 -1199 -965 -868 -1870 -882 -2172 -1414 -443 67 505 243 497 405 571 191 -324 -184 485 28 60 191 234 -792 -110 -808 164 -123 -434 -1456 -533 -420 756 683 662 0 294 238 191 550 789 362 117 -125 -382 -78 299 95 238 447 -434 586 -60 -364 -507 -823 -446 -88 124 -13 293 156 212 -284 307 -170 -1 -393 -210 -368 -481 -408 -647 -409 -639 -413 -977 -329 -575 -189 -324 175 -209 70 29 115 -54 118 -94 -135 -221 -293 -323 -455 -359 -404 -30 -107 59 -112 -32 -551 -147 -298 207 -223 -67 -453 -108 -200 65 135 311 -80 245 -147 164 541 270 620 477 363 59 77 -329 246 -36 795 892 1096 1119 451 55 122 59 893 728 166 75 -664 95 -482 -335 -664 -597 -532 -556 -1374 -662 -1772 -1203 -400 64 506 249 501 393 515 161 -259 -151 438 28 69 227 296 -997 -137 -920 176 -137 -526 -1860 -712 -548 1056 1045 1088 0 487 373 280 771 1116 537 185 -207 -633 -125 462 143 341 664 -620 863 -91 -611 -913 -1544 -807 -169 251 -28 631 342 465 -606 621 -329 -1