File name: Pandora118s1_Cabauw_20201030_L2Fit_fwvt1c5d20200722p1-8.txt File generation date: 20240927T071839.8Z Data description: Level 2 spectral fitting results file Data file version: fwvt1c5p1-8 Local principal investigator: Ankie Piters Network principal investigator: Alexander Cede Instrument type: Pandora Instrument number: 118 Spectrometer number: 1 Processing software version used: BlickP v1.8.60 Instrument operation file used: Pandora118_OF_v2d20200505.txt Instrument calibration file used: Pandora118s1_CF_v5d20200722.txt Level 1 file used: Pandora118s1_Cabauw_20201030_L1_smca1c5d20200722p1-8.txt Full location name: Cabauw Short location name: Cabauw Country of location: Netherlands Location latitude [deg]: 51.9704 Location longitude [deg]: 4.9262 Location altitude [m]: 0 Local noon date: 20201030 Notes on s-number (L1 configuration): Corrections NOT applied although requested by the s-number are latency correction, radiometric temperature correction, matrix method stray light correction (replaced by simple method) Data caveats: redoS02 First and last pixel inside fitting window: 1653 1802 Nominal wavelengths inside fitting window [nm]: 492.0920 492.2132 492.3343 492.4554 492.5765 492.6976 492.8187 492.9398 493.0608 493.1819 493.3029 493.4239 493.5448 493.6658 493.7868 493.9077 494.0286 494.1495 494.2704 494.3912 494.5121 494.6329 494.7537 494.8745 494.9953 495.1160 495.2368 495.3575 495.4782 495.5989 495.7196 495.8403 495.9609 496.0815 496.2021 496.3227 496.4433 496.5639 496.6844 496.8049 496.9254 497.0459 497.1664 497.2869 497.4073 497.5277 497.6482 497.7685 497.8889 498.0093 498.1296 498.2499 498.3702 498.4905 498.6108 498.7311 498.8513 498.9715 499.0917 499.2119 499.3321 499.4523 499.5724 499.6925 499.8126 499.9327 500.0528 500.1728 500.2929 500.4129 500.5329 500.6529 500.7729 500.8928 501.0127 501.1327 501.2526 501.3725 501.4923 501.6122 501.7320 501.8518 501.9716 502.0914 502.2112 502.3309 502.4507 502.5704 502.6901 502.8098 502.9294 503.0491 503.1687 503.2883 503.4079 503.5275 503.6471 503.7666 503.8861 504.0056 504.1251 504.2446 504.3641 504.4835 504.6030 504.7224 504.8418 504.9611 505.0805 505.1998 505.3192 505.4385 505.5578 505.6770 505.7963 505.9155 506.0348 506.1540 506.2731 506.3923 506.5115 506.6306 506.7497 506.8688 506.9879 507.1070 507.2260 507.3451 507.4641 507.5831 507.7021 507.8211 507.9400 508.0589 508.1779 508.2968 508.4156 508.5345 508.6533 508.7722 508.8910 509.0098 509.1286 509.2473 509.3661 509.4848 509.6035 509.7222 509.8409 509.9595 --------------------------------------------------------------------------------------- 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: Water vapor slant column amount [moles per square meter], -9e99=fitting not successful Column 23: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor 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: Water vapor effective temperature [K] Column 28: Independent uncertainty of water vapor 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 water vapor 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 water vapor 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 water vapor fitting wavelength [nm], -9=fitting not successful Column 32: Diffuse correction applied before fitting at effective fitting wavelength for water vapor [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 33: Nitrogen dioxide slant column amount [moles per square meter], -9e99=fitting not successful Column 34: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen 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: Nitrogen dioxide effective temperature [K] Column 39: Independent uncertainty of nitrogen 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 nitrogen 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 nitrogen 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 nitrogen dioxide fitting wavelength [nm], -9=fitting not successful Column 43: Diffuse correction applied before fitting at effective fitting wavelength for nitrogen dioxide [%], 0=no diffuse correction applied or fitting not requested, >0=measured diffuse correction, <0=(negative value of) calculated diffuse correction Column 44: Ozone slant column amount [moles per square meter], -9e99=fitting not successful Column 45: 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 46: 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 47: 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 48: 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 49: Ozone effective temperature [K] Column 50: 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 51: 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 52: 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 53: Effective ozone fitting wavelength [nm], -9=fitting not successful Column 54: 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 55: Molecular scattering air mass factor used for molecular scattering subtraction before the fitting Column 56: Estimated uncertainty of molecular scattering air mass factor, -9=molecular scattering was not subtracted before the fitting Column 57: Lower limit used for wavelength scaling [nm] Column 58: Upper limit used for wavelength scaling [nm] Column 59: Order of smoothing polynomial Column 60: Smoothing polynomial coefficient, order 0 Column 61: Independent uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 62: Structured uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 63: Common uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 64: rms-based uncertainty of smoothing polynomial coefficient, order 0, -9=fitting not successful Column 65: Smoothing polynomial coefficient, order 1 Column 66: Independent uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 67: Structured uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 68: Common uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 69: rms-based uncertainty of smoothing polynomial coefficient, order 1, -9=fitting not successful Column 70: Mean value of measured data inside fitting window [same units as measurements] Column 71: Wavelength change polynomial coefficient, order 0 Column 72: Independent uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 73: Structured uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 74: Common uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 75: rms-based uncertainty of wavelength change polynomial coefficient, order 0, -9=fitting not successful Column 76: L1 based wavelength change coefficient, order 0, -9=no L1 wavelength change determination Column 77: L1 based wavelength change coefficient, order 1, -9=no L1 wavelength change determination Column 78: 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 79: 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 80: 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 81: 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 82: 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 83: 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 84: Atmospheric variability [%], 999=no atmospheric variability was determined Column 85: Wavelength effective temperature [°C], 999=no effective temperature given Column 86: Estimated average residual stray light level [%] (only valid for stray light correction methods 2 and higher) Column 87: Retrieved wavelength shift from L1 data [nm], -9=no wavelength change determination Column 88: Retrieved total wavelength shift [nm], -9=no wavelength change fitting Column 89: Number of bright count cycles Column 90: Number of dark count cycles Column 91: Effective position of filterwheel #1, 0=filterwheel not used, 1-9 are valid positions Column 92: Effective position of filterwheel #2, 0=filterwheel not used, 1-9 are valid positions Column 93: Sum over 2^i, 0=spectra were interpolated in time, 1=spectra are corrected for off-target signal Column 94: Integration time [ms] Column 95: Temperature at electronics board [°C], 999=no temperature signal Column 96: Spectrometer control temperature [°C], 999=no temperature signal Column 97: Auxiliary spectrometer temperature [°C], 999=no temperature signal Column 98: Temperature in head sensor [°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 101-250: Unweighted slant column residuals for each pixel inside the fitting window multiplied by 1e5, 9e5=pixel was not used for fitting Columns 251-400: 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 --------------------------------------------------------------------------------------- SQ 20201030T083825.5Z 7608.360017 303 1 0.96 2 75.03 138.39 118.20 325.99 0.00 1 0.00 1 0 15 3.472e-03 3.473e-03 2.529e-03 2.525e-03 5.774721e+03 1.675106e+02 3.985972e+02 -6.000000e+00 1.978930e+02 274.13 -2.00 20.00 -2.00 505.26 0.00e+00 6.545144e-04 6.991813e-05 4.873704e-05 -6.000000e+00 9.783124e-05 274.13 -2.00 20.00 -2.00 500.40 0.00e+00 2.874772e-01 5.159661e-02 4.570752e-02 -6.000000e+00 7.079311e-02 222.63 -2.00 3.84 -2.00 501.99 0.00e+00 3.797 0.001 489.00 513.00 1 4.3960e+00 3.9604e-03 6.7443e-03 -6.0000e+00 5.4350e-03 1.6966e-03 9.9666e-04 1.1158e-03 -6.0000e+00 1.3833e-03 1.3534e-02 1.0169e-03 2.8980e-04 4.2985e-05 -6.0000e+00 4.2165e-04 -1.4495e-02 -2.4135e-05 12 1 1 12 1 1 999.00 21.58 1.62 -0.01449 -0.00744 1 28 1 4 0 388.950 21.58 15.00 17.77 19.89 15.1 966.83 -168 119 -44 -96 221 439 341 649 647 -3 364 381 87 -78 -116 -407 -203 302 197 -35 -316 64 369 436 351 3 495 -273 -148 -257 -54 -334 -458 589 -304 -624 -286 343 -248 -336 -38 -27 10 320 132 -6 75 -362 66 -88 -819 -287 -146 -132 -157 -631 171 33 376 -1 527 665 344 376 217 -107 -424 -186 -148 -265 15 -355 -34 -314 448 -444 -849 -350 10 -461 -88 -510 -736 -138 -509 -424 133 -234 356 -128 -477 290 209 -55 -429 257 -373 -293 275 -202 -226 -159 -402 -166 -499 -515 549 63 -373 749 32 119 5 214 -74 -328 724 211 552 511 364 33 439 912 759 148 405 173 -142 61 -43 -379 -117 328 -136 167 102 -19 -196 30 -68 -53 73 105 210 292 142 -215 -122 -443 -166 119 -45 -98 228 458 358 682 679 -3 378 392 90 -79 -119 -416 -209 313 206 -37 -334 67 388 459 370 3 518 -285 -153 -262 -54 -339 -469 608 -318 -656 -299 356 -257 -347 -39 -28 10 333 138 -6 78 -375 67 -89 -820 -284 -144 -131 -156 -640 174 34 385 -1 538 679 351 384 221 -109 -426 -185 -147 -261 15 -349 -34 -311 442 -439 -835 -340 9 -446 -85 -496 -719 -135 -501 -418 131 -230 349 -126 -474 287 208 -55 -423 250 -358 -279 258 -189 -212 -150 -386 -161 -492 -508 537 61 -365 730 31 117 5 213 -74 -328 723 211 549 505 357 33 427 884 736 144 393 168 -137 59 -41 -363 -111 311 -129 160 98 -19 -192 30 -67 -52 72 104 207 286 138 -207 -117 -425 SQ 20201030T084321.8Z 7608.363447 306 1 49.57 2 74.54 139.52 118.59 327.26 0.00 1 0.00 1 0 22 2.423e-03 2.415e-03 9.322e-04 9.287e-04 5.647851e+03 6.221319e+01 3.914327e+02 -6.000000e+00 1.380965e+02 274.13 -2.00 20.00 -2.00 505.25 0.00e+00 7.183574e-04 2.570846e-05 4.971479e-05 -6.000000e+00 6.827953e-05 274.13 -2.00 20.00 -2.00 500.28 0.00e+00 2.676508e-01 1.912502e-02 4.412313e-02 -6.000000e+00 4.943256e-02 222.63 -2.00 3.84 -2.00 501.89 0.00e+00 3.682 0.001 489.00 513.00 1 7.0252e+00 1.4677e-03 6.5411e-03 -6.0000e+00 3.7948e-03 7.6476e-03 3.7025e-04 1.0784e-03 -6.0000e+00 9.6656e-04 9.9308e-04 1.6326e-03 1.0656e-04 3.9933e-05 -6.0000e+00 2.9430e-04 -8.5231e-03 -1.0984e-04 10 0 0 10 0 0 99.99 21.58 1.55 -0.00852 0.00280 85 19 1 4 0 576.270 21.58 15.00 17.77 19.96 15.0 967.12 -295 -228 -39 -221 40 500 359 385 424 42 348 63 -163 -78 -101 103 -181 78 -10 126 -113 208 189 226 294 82 -109 113 -37 -265 -112 -33 -453 251 -50 -413 -140 173 163 70 162 215 43 48 136 194 -60 -185 -125 -408 -558 -163 -169 -360 -114 -128 -269 -169 -33 230 381 402 294 257 147 61 -188 -44 -14 -114 152 -157 -131 -47 -213 -154 -518 -199 -7 -143 -187 -154 -327 -287 39 -265 -410 -152 -60 71 -208 79 222 1 -92 -5 16 -133 108 -357 -333 -273 -179 -152 -355 -511 -399 -66 0 347 196 47 238 381 184 562 489 473 91 298 422 357 285 414 229 75 269 -64 -71 164 40 -370 -226 108 -260 195 -15 -312 -375 291 47 -189 234 157 87 -31 -147 -146 -181 123 -298 -223 -39 -229 42 539 376 406 445 44 357 67 -171 -81 -105 107 -191 81 -10 134 -121 222 203 243 316 88 -116 118 -38 -267 -111 -33 -464 262 -53 -445 -149 183 171 73 169 225 45 51 146 209 -64 -195 -129 -413 -553 -158 -163 -351 -113 -130 -279 -177 -35 240 399 404 296 258 153 63 -191 -44 -14 -112 148 -154 -129 -46 -213 -152 -509 -192 -7 -137 -180 -149 -319 -282 38 -265 -394 -146 -58 68 -202 78 218 1 -89 -5 15 -125 100 -327 -306 -256 -166 -145 -345 -501 -389 -63 0 335 191 46 237 382 186 546 477 461 89 298 414 347 276 400 222 74 262 -62 -69 158 38 -351 -212 101 -245 184 -15 -295 -359 279 46 -185 229 154 85 -30 -140 -137 -168 114