File name: Pandora103s1_Downsview_20210223_L2Fit_fout2c10d20181123p1-8.txt File generation date: 20241101T122133.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c10p1-8 Local principal investigator: Vitali Fioletov Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 103 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora103_OF_v10d20171016.txt Instrument calibration file used: Pandora103s1_CF_v10d20200901.txt Level 1 file used: Pandora103s1_Downsview_20210223_L1_smca1c10d20181123p1-8.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: 20210223 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, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: FieldAna 3rd VP - WinterReference but for LabData 2017 but L7 from 2023 First and last pixel inside fitting window: 201 343 Nominal wavelengths inside fitting window [nm]: 305.1310 305.2711 305.4113 305.5515 305.6916 305.8318 305.9719 306.1121 306.2522 306.3924 306.5325 306.6726 306.8128 306.9529 307.0930 307.2331 307.3733 307.5134 307.6535 307.7936 307.9337 308.0738 308.2139 308.3540 308.4941 308.6341 308.7742 308.9143 309.0544 309.1944 309.3345 309.4746 309.6146 309.7546 309.8947 310.0347 310.1748 310.3148 310.4548 310.5948 310.7348 310.8749 311.0149 311.1549 311.2948 311.4348 311.5748 311.7148 311.8548 311.9947 312.1347 312.2746 312.4146 312.5545 312.6945 312.8344 312.9743 313.1142 313.2541 313.3940 313.5339 313.6738 313.8137 313.9536 314.0935 314.2333 314.3732 314.5131 314.6529 314.7927 314.9326 315.0724 315.2122 315.3520 315.4918 315.6316 315.7714 315.9112 316.0510 316.1908 316.3305 316.4703 316.6100 316.7498 316.8895 317.0292 317.1689 317.3086 317.4483 317.5880 317.7277 317.8674 318.0071 318.1467 318.2864 318.4260 318.5657 318.7053 318.8449 318.9845 319.1242 319.2638 319.4033 319.5429 319.6825 319.8221 319.9616 320.1012 320.2407 320.3802 320.5198 320.6593 320.7988 320.9383 321.0778 321.2172 321.3567 321.4962 321.6356 321.7751 321.9145 322.0539 322.1933 322.3327 322.4721 322.6115 322.7509 322.8903 323.0296 323.1690 323.3083 323.4477 323.5870 323.7263 323.8656 324.0049 324.1442 324.2834 324.4227 324.5620 324.7012 324.8404 324.9797 --------------------------------------------------------------------------------------- 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 20210223T211356.6Z 7724.884683 490 1 9.22 2 73.32 238.28 67.91 77.36 0.00 1 0.00 1 0 25 2.666e-01 9.810e-03 1.683e-01 6.074e-03 5.509764e-01 3.226830e-03 6.461356e-03 -6.000000e+00 1.579041e-01 224.97 -2.00 3.57 -2.00 320.22 0.00e+00 4.386600e-03 1.098686e-03 9.038486e-04 -6.000000e+00 6.787135e-03 272.45 -2.00 20.00 -2.00 319.72 0.00e+00 3.430 0.001 302.00 328.00 3 3.7929e+00 9.3411e-03 4.4151e-02 -6.0000e+00 3.9061e-01 5.6649e-02 1.1436e-02 2.8856e-02 -6.0000e+00 4.2565e-01 -3.3974e-02 1.0583e-02 1.5823e-02 -6.0000e+00 2.5265e-01 6.6996e-03 5.4104e-03 6.4903e-03 -6.0000e+00 1.0484e-01 2.1139e-04 -1.0600e-03 1.8777e-04 7.9255e-05 -6.0000e+00 8.1940e-03 -6.3440e-03 0.0000e+00 12 9 9 12 1 1 99.96 15.00 0.06 -0.00634 -0.01431 10 11 1 5 0 822.440 21.88 15.00 18.71 -132724 -7097 -81288 -9845 -95057 -67174 -86982 191166 -23662 -3562 -61745 15919 -20182 -17415 80663 -11550 12116 2327 -1915 -4065 1002 -4067 -3922 -22974 3587 -24786 -7793 -23287 -2520 2538 -5799 4648 -1798 -5589 1755 -9067 -529 1580 1033 2068 2697 255 -3372 6555 -8432 4831 -1004 6575 -720 8334 2641 3476 -1382 5318 2668 -1847 -1133 -343 560 3175 1832 4386 3207 2018 757 1618 3093 4384 3754 535 -654 -1309 -515 -1419 -1558 -998 257 -93 -2445 -2369 -305 -2231 -1246 -1243 -1442 -929 -2 -68 -448 440 -30 706 -538 948 -468 238 212 -76 -1562 -94 -738 54 1289 124 -817 -1046 -398 718 1440 31 787 -266 831 -319 1180 1191 1854 -67 -716 -1099 -481 472 -107 273 -305 -96 101 729 -174 -776 -847 363 300 610 -537 -12 -49 -81 -395 -140 -509 336 730 -3304 -65 -1466 -92 -1795 -997 -1666 1132 -313 -42 -1301 194 -413 -429 996 -370 347 79 -72 -162 39 -169 -169 -1259 164 -1516 -408 -1398 -128 133 -377 318 -144 -479 139 -811 -48 168 131 297 424 44 -623 1135 -1712 886 -198 1245 -152 1718 625 895 -402 1545 830 -618 -383 -114 183 1017 622 1590 1297 889 347 723 1340 1942 1830 297 -393 -812 -313 -830 -848 -498 121 -45 -1316 -1449 -207 -1691 -1004 -1056 -1291 -871 -2 -67 -439 415 -27 597 -446 796 -433 243 240 -93 -2045 -122 -908 61 1393 138 -952 -1279 -505 949 2021 48 1258 -439 1353 -507 1781 1751 2724 -103 -1150 -1814 -790 753 -168 414 -451 -138 142 1057 -273 -1315 -1516 667 571 1206 -1115 -25 -106 -176 -860 -297 -1046 664 1425 SS 20210223T213753.8Z 7724.901318 503 1 51.67 2 77.08 242.99 63.81 81.01 0.00 1 0.00 1 0 25 3.911e-01 1.268e-02 3.145e-01 8.609e-03 6.653987e-01 4.816273e-03 7.511361e-03 -6.000000e+00 2.322807e-01 224.97 -2.00 3.57 -2.00 321.23 0.00e+00 7.421604e-03 2.156350e-03 8.513849e-04 -6.000000e+00 1.069009e-02 272.45 -2.00 20.00 -2.00 320.77 0.00e+00 4.358 0.002 302.00 328.00 3 4.1938e+00 1.5333e-02 5.5456e-02 -6.0000e+00 5.7526e-01 1.8392e-01 2.0808e-02 3.6688e-02 -6.0000e+00 6.2759e-01 -1.6596e-01 2.2172e-02 2.0952e-02 -6.0000e+00 3.7259e-01 6.4568e-02 1.0724e-02 1.1242e-02 -6.0000e+00 1.5545e-01 5.0750e-05 -5.1352e-04 2.6808e-04 1.3647e-04 -6.0000e+00 1.2095e-02 -7.1312e-03 0.0000e+00 12 8 8 10 0 0 99.93 15.00 0.12 -0.00713 -0.01099 15 3 1 5 0 3444.460 21.88 15.00 18.71 -223188 900000 -105988 -90408 -147303 -144043 -86509 -41752 -67879 -155955 900000 -101567 900000 -85415 63840 80453 79013 10579 900000 -70525 29901 10149 7615 -19298 -505 2122 22663 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