File name: Pandora206s1_BuffaloNY_20240130_L2Fit_fout2c1d20220512p1-8.txt File generation date: 20240131T053109.0Z Data description: Level 2 spectral fitting results file Data file version: fout2c1p1-8 Local principal investigator: Kang Sun Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 206 Spectrometer number: 1 Processing software version used: BlickP v1.8.59 Instrument operation file used: Pandora206_OF_v3d20211008.txt Instrument calibration file used: Pandora206s1_CF_v1d20220512.txt Level 1 file used: Pandora206s1_BuffaloNY_20240130_L1_smca1c1d20220512p1-8.txt Full location name: University at Buffalo Short location name: BuffaloNY Country of location: Canada Location latitude [deg]: 43.0015 Location longitude [deg]: -78.7869 Location altitude [m]: 190 Local noon date: 20240130 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, matrix method stray light correction (replaced by simple method) Data caveats: None First and last pixel inside fitting window: 223 365 Nominal wavelengths inside fitting window [nm]: 305.0398 305.1808 305.3218 305.4628 305.6038 305.7447 305.8857 306.0266 306.1675 306.3084 306.4493 306.5902 306.7311 306.8720 307.0128 307.1537 307.2945 307.4353 307.5761 307.7169 307.8577 307.9985 308.1393 308.2800 308.4207 308.5615 308.7022 308.8429 308.9836 309.1243 309.2649 309.4056 309.5462 309.6869 309.8275 309.9681 310.1087 310.2493 310.3899 310.5305 310.6710 310.8116 310.9521 311.0926 311.2331 311.3736 311.5141 311.6546 311.7950 311.9355 312.0759 312.2164 312.3568 312.4972 312.6376 312.7779 312.9183 313.0587 313.1990 313.3394 313.4797 313.6200 313.7603 313.9006 314.0408 314.1811 314.3214 314.4616 314.6018 314.7421 314.8823 315.0225 315.1626 315.3028 315.4430 315.5831 315.7232 315.8634 316.0035 316.1436 316.2837 316.4238 316.5638 316.7039 316.8439 316.9839 317.1240 317.2640 317.4040 317.5439 317.6839 317.8239 317.9638 318.1038 318.2437 318.3836 318.5235 318.6634 318.8033 318.9431 319.0830 319.2228 319.3627 319.5025 319.6423 319.7821 319.9219 320.0616 320.2014 320.3412 320.4809 320.6206 320.7603 320.9000 321.0397 321.1794 321.3191 321.4587 321.5984 321.7380 321.8776 322.0172 322.1568 322.2964 322.4360 322.5755 322.7151 322.8546 322.9941 323.1336 323.2731 323.4126 323.5521 323.6916 323.8310 323.9705 324.1099 324.2493 324.3887 324.5281 324.6675 324.8069 324.9462 --------------------------------------------------------------------------------------- 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: Spectrometer control temperature [°C], 999=no temperature signal Column 95: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 96: Temperature in head sensor [°C], 999=no temperature signal Column 97: Temperature at electronics board 1 [°C], 999=no temperature signal Column 98: Temperature at electronics board 2 [°C], 999=no temperature signal Column 99: Humidity in head sensor [%], -9=no humidity signal Column 100: Pressure in head sensor [hPa], -9=no pressure signal Columns 101-243: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 244-386: 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 20240130T173409.2Z 8795.732051 388 1 24.00 2 60.67 181.57 119.07 298.73 0.00 1 0.00 1 0 25 3.723e-01 2.467e-02 2.266e-01 1.945e-02 3.657912e-01 9.512531e-03 4.260670e-03 -6.000000e+00 2.054861e-01 224.07 -2.00 3.55 -2.00 318.88 0.00e+00 5.180443e-03 2.095489e-03 5.234066e-04 -6.000000e+00 8.823417e-03 272.40 -2.00 20.00 -2.00 318.36 0.00e+00 2.032 0.000 302.00 328.00 3 7.5301e+00 2.5872e-02 2.7627e-02 -6.0000e+00 5.0826e-01 1.3182e-01 2.9718e-02 2.0505e-02 -6.0000e+00 5.5509e-01 -4.0600e-03 2.1643e-02 9.6654e-03 -6.0000e+00 3.2957e-01 -6.6818e-03 1.1525e-02 5.9271e-03 -6.0000e+00 1.4004e-01 2.2078e-05 1.0071e-03 5.4017e-04 4.5559e-05 -6.0000e+00 9.4767e-03 1.7437e-02 1.5355e-04 12 8 8 10 0 0 40.48 17.58 1.30 0.01744 0.02500 6 6 2 8 0 4000.000 14.99 17.58 9.32 21.17 21.06 19.8 970.03 -23844 -105002 45300 128517 340335 -7632 12831 85696 -15516 60231 82702 36908 22925 18836 1344 30161 36807 -1356 16195 -5483 123735 23545 27792 13708 5206 112 9898 16417 -13219 11023 -5892 7014 5676 18989 -5849 -9288 10414 1877 8290 -2772 -3173 -4771 886 -1095 11516 -2328 -6978 -14136 12167 845 626 4535 -3502 2571 4562 887 1370 -4534 -1296 185 -4419 4719 1264 2748 2021 1764 -1557 -7788 -246 -2197 6464 586 3405 4310 3286 -2067 -858 -269 -5171 -3486 -440 3358 -6313 1431 -2225 -792 2192 520 -708 3585 -1602 1266 1520 -5686 -1369 -1749 1953 1419 1008 -251 2251 -2452 -1278 -334 2499 -2416 -1090 -1007 -1547 1243 1368 124 -1192 -1332 -2158 793 -1550 -1537 -723 2584 755 138 2045 839 1532 856 -672 -60 1302 -1970 1042 427 1136 322 -82 -118 493 1730 -227 -256 -447 -2171 -1019 -1124 -12202 1318 2438 6457 -299 430 1626 -834 1655 1785 1328 1102 1144 113 2251 2747 -153 1616 -708 4776 2338 2689 1604 663 16 1302 1921 -1973 1331 -947 1100 1009 3098 -1124 -1797 1824 413 1989 -874 -1097 -1752 321 -412 3841 -905 -2827 -6108 4171 319 255 1924 -1706 1252 2245 458 716 -2484 -668 93 -2426 2576 789 1840 1370 1107 -955 -5005 -157 -1642 4834 481 2686 3203 2342 -1383 -517 -156 -3392 -2593 -348 2844 -6283 1371 -2369 -888 2497 619 -853 3950 -1703 1237 1368 -5412 -1352 -1884 2278 1868 1413 -347 2821 -2926 -1442 -387 2967 -3148 -1466 -1427 -2333 1971 2240 209 -1960 -2112 -3167 1065 -2141 -2220 -1109 4048 1207 215 3058 1208 2144 1152 -872 -79 1852 -3024 1647 701 1892 563 -153 -231 976 3455 -446 -499 -834 -3940 -1779