File name: Pandora84s1_Rotterdam-Haven_20240903_L2Fit_fout2c5d20240501p1-8.txt File generation date: 20250501T140650.6Z Data description: Level 2 spectral fitting results file Data file version: fout2c5p1-8 Local principal investigator: Alexander Cede Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 84 Spectrometer number: 1 Processing software version used: BlickP v1.8.75 Instrument operation file used: Pandora84_OF_v3d20231130.txt Instrument calibration file used: Pandora84s1_CF_v5d20240501.txt Level 1 file used: Pandora84s1_Rotterdam-Haven_20240903_L1_smca1c5d20240501p1-8.txt Full location name: De Slufter Visitor Centre Short location name: Rotterdam-Haven Country of location: Netherlands Location latitude [deg]: 51.9335 Location longitude [deg]: 3.9998 Location altitude [m]: 0 Local noon date: 20240903 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: Based on OoB session 2 for fieldcal First and last pixel inside fitting window: 197 339 Nominal wavelengths inside fitting window [nm]: 305.0824 305.2233 305.3642 305.5050 305.6459 305.7867 305.9276 306.0684 306.2092 306.3500 306.4908 306.6316 306.7724 306.9131 307.0539 307.1946 307.3353 307.4760 307.6167 307.7574 307.8981 308.0388 308.1794 308.3201 308.4607 308.6014 308.7420 308.8826 309.0232 309.1638 309.3043 309.4449 309.5854 309.7260 309.8665 310.0070 310.1475 310.2880 310.4285 310.5690 310.7095 310.8499 310.9904 311.1308 311.2712 311.4116 311.5520 311.6924 311.8328 311.9731 312.1135 312.2538 312.3942 312.5345 312.6748 312.8151 312.9554 313.0957 313.2359 313.3762 313.5164 313.6567 313.7969 313.9371 314.0773 314.2175 314.3577 314.4978 314.6380 314.7781 314.9183 315.0584 315.1985 315.3386 315.4787 315.6188 315.7588 315.8989 316.0389 316.1790 316.3190 316.4590 316.5990 316.7390 316.8790 317.0189 317.1589 317.2988 317.4388 317.5787 317.7186 317.8585 317.9984 318.1383 318.2781 318.4180 318.5578 318.6977 318.8375 318.9773 319.1171 319.2569 319.3967 319.5364 319.6762 319.8159 319.9556 320.0954 320.2351 320.3748 320.5145 320.6541 320.7938 320.9335 321.0731 321.2127 321.3524 321.4920 321.6316 321.7711 321.9107 322.0503 322.1898 322.3294 322.4689 322.6084 322.7479 322.8874 323.0269 323.1664 323.3058 323.4453 323.5847 323.7242 323.8636 324.0030 324.1424 324.2818 324.4211 324.5605 324.6998 324.8392 324.9785 --------------------------------------------------------------------------------------- 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 Column 97: Temperature in head sensor [°C], 999=no temperature signal Column 98: Humidity in head sensor [%], -9=no humidity signal Column 99: Pressure in head sensor [hPa], -9=no pressure signal Columns 100-242: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 243-385: 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 20240903T115045.6Z 9012.493584 193 1 54.29 2 44.70 182.66 45.43 175.70 0.00 1 0.00 1 0 17 8.466e-03 6.507e-03 4.997e-04 3.540e-04 1.818580e-01 1.840628e-04 2.396912e-03 -6.000000e+00 4.923013e-03 230.12 -2.00 3.84 -2.00 314.84 0.00e+00 3.000859e-04 1.514714e-05 2.235201e-05 -6.000000e+00 2.150163e-04 281.58 -2.00 20.00 -2.00 314.26 0.00e+00 1.405 0.000 302.00 328.00 3 2.7792e+00 4.7318e-04 1.7427e-02 -6.0000e+00 1.2298e-02 2.2087e-02 5.2576e-04 1.0237e-02 -6.0000e+00 1.3348e-02 1.0207e-04 3.0007e-04 4.9875e-03 -6.0000e+00 7.9325e-03 -3.3895e-03 1.2955e-04 1.3793e-03 -6.0000e+00 3.3142e-03 6.7430e-03 -1.1211e-04 1.0294e-05 1.8823e-05 -6.0000e+00 2.3826e-04 -1.7820e-03 0.0000e+00 11 8 0 10 0 0 100.00 25.81 0.28 -0.00178 -0.00262 493 52 1 5 0 110.110 33.75 20.01 25.81 29.39 1.2 1004.64 211 -7 -578 -2613 -2408 -1837 365 1083 291 -1223 -1852 -1104 -359 314 610 137 337 483 997 1249 525 825 1204 1135 860 588 29 -546 -152 822 1569 1902 1126 -1542 -2650 -1935 -1595 -581 -337 -558 -766 -567 -704 -440 -151 -326 -576 -618 -775 118 580 581 774 736 621 922 464 268 263 597 968 1430 1685 1189 -18 -487 -626 -30 778 501 304 436 490 471 -12 -293 -686 -667 -575 -1006 -1314 -1703 -2063 -1488 -893 -487 -141 305 539 445 370 38 115 434 97 18 602 701 74 -333 -516 -495 -89 -193 -914 -1059 -845 -565 187 524 512 359 171 43 -30 187 167 259 315 55 -67 212 322 480 559 171 561 963 438 234 -142 -207 -17 154 -19 -134 164 167 -118 -89 -458 -550 -609 73 -3 -216 -915 -806 -589 121 369 110 -482 -718 -432 -143 139 281 68 171 251 499 641 274 425 631 622 492 346 17 -297 -81 426 838 1008 638 -898 -1457 -1049 -946 -375 -232 -420 -594 -455 -579 -362 -123 -264 -453 -491 -598 90 461 467 651 646 533 802 409 235 227 514 863 1300 1640 1163 -17 -448 -556 -27 709 492 312 462 517 478 -12 -272 -603 -584 -502 -940 -1311 -1786 -2210 -1663 -1026 -574 -175 372 655 535 426 41 119 451 102 20 707 868 92 -421 -612 -566 -102 -222 -1108 -1353 -1088 -731 251 714 724 506 237 56 -38 230 206 323 408 74 -91 286 438 620 709 214 668 1155 538 304 -186 -277 -23 209 -27 -196 237 247 -176 -130 -667 -778 -852 SS 20240903T115934.2Z 9012.499702 196 1 54.49 2 44.81 185.76 45.40 178.72 0.00 1 0.00 1 0 17 8.781e-03 6.716e-03 9.327e-04 6.500e-04 1.829645e-01 3.381153e-04 2.399453e-03 -6.000000e+00 5.106637e-03 230.12 -2.00 3.84 -2.00 314.89 0.00e+00 3.547844e-04 2.809684e-05 2.399678e-05 -6.000000e+00 2.230249e-04 281.58 -2.00 20.00 -2.00 314.30 0.00e+00 1.407 0.000 302.00 328.00 3 3.9781e+00 8.6973e-04 1.7472e-02 -6.0000e+00 1.2757e-02 2.8257e-02 9.6665e-04 1.0278e-02 -6.0000e+00 1.3846e-02 1.9692e-04 5.5151e-04 5.0056e-03 -6.0000e+00 8.2279e-03 -3.8771e-03 2.3826e-04 1.3888e-03 -6.0000e+00 3.4383e-03 2.0182e-03 -5.2320e-05 1.8882e-05 1.8502e-05 -6.0000e+00 2.4710e-04 -2.8960e-03 0.0000e+00 11 8 0 10 0 0 99.94 25.85 0.32 -0.00290 -0.00329 112 12 1 5 0 486.470 33.75 20.01 25.85 30.27 1.2 1013.03 193 -37 -182 -2905 -2395 -2149 218 1194 430 -1033 -1726 -1265 -450 145 177 135 850 -100 1084 1376 767 666 1227 1198 829 559 74 -712 -82 725 1396 1786 1094 -1373 -2931 -2222 -1819 -744 -236 -378 -782 -495 -618 -411 -56 -197 -306 -497 -702 115 630 591 899 812 487 889 430 291 335 537 955 1337 1846 1214 -103 -498 -737 -123 655 338 375 502 654 561 -86 -468 -917 -891 -639 -1104 -1257 -1756 -2085 -1517 -872 -415 4 441 579 575 338 -24 -48 80 34 -42 684 657 189 -222 -481 -697 -170 -185 -882 -1064 -886 -627 181 554 582 447 419 -10 -4 -41 48 255 422 64 10 231 379 583 526 5 371 1034 451 281 -68 -306 -184 91 31 -80 214 214 -118 34 -441 -600 -715 67 -14 -67 -1012 -737 -636 67 402 160 -402 -661 -491 -177 63 80 66 422 -51 531 690 391 336 629 642 464 322 42 -380 -43 369 734 927 607 -782 -1583 -1184 -1059 -469 -166 -290 -616 -403 -514 -342 -47 -162 -243 -382 -552 90 485 482 766 687 423 780 384 258 292 468 858 1223 1803 1190 -100 -461 -662 -107 603 334 385 533 691 570 -85 -438 -819 -757 -566 -1041 -1259 -1844 -2229 -1693 -996 -484 5 553 722 686 387 -26 -50 83 36 -46 797 806 242 -277 -589 -793 -193 -212 -1057 -1346 -1126 -829 239 768 808 618 570 -13 -5 -50 59 315 539 87 13 318 507 772 660 6 439 1229 570 361 -91 -403 -246 126 43 -115 314 321 -177 49 -630 -863 -1017 SS 20240903T125140.6Z 9012.535886 215 1 38.70 2 46.86 203.59 46.64 196.35 0.00 1 0.00 1 0 17 9.222e-03 6.899e-03 1.099e-03 7.585e-04 1.885806e-01 3.939506e-04 2.482259e-03 -6.000000e+00 5.363883e-03 230.11 -2.00 3.84 -2.00 314.96 0.00e+00 4.515055e-04 3.318814e-05 2.628746e-05 -6.000000e+00 2.342545e-04 281.57 -2.00 20.00 -2.00 314.36 0.00e+00 1.460 0.000 302.00 328.00 3 3.8814e+00 1.0141e-03 1.8094e-02 -6.0000e+00 1.3399e-02 1.7161e-02 1.1268e-03 1.0623e-02 -6.0000e+00 1.4543e-02 2.3313e-03 6.4292e-04 5.1696e-03 -6.0000e+00 8.6422e-03 -3.9619e-03 2.7898e-04 1.4402e-03 -6.0000e+00 3.6117e-03 2.0948e-03 -1.1014e-04 2.1998e-05 1.9384e-05 -6.0000e+00 2.5953e-04 -3.3794e-03 0.0000e+00 12 9 1 12 1 1 99.33 26.02 0.28 -0.00338 -0.00421 49 7 1 5 0 773.850 34.00 20.01 26.02 29.94 1.2 1009.47 264 157 -347 -2593 -2857 -2452 842 804 596 -1284 -1726 -1317 -645 -146 436 -64 830 395 1222 1137 371 714 1239 1107 948 654 229 -878 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