id | field name | definition |
0 | dsr_time |
binary time | size: 12 |
Start Time of DSR
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary record | size: 12 |
ENVISAT binary datetime
id | field name | definition |
0 | days |
binary int32 | size: 4 |
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
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1 | seconds |
binary uint32 | size: 4 |
seconds since start of day
unit: "s"
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2 | microseconds |
binary uint32 | size: 4 |
microseconds since start of second
unit: "1e-6 s"
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1 | dsr_length |
binary uint32 | size: 4 |
Length of this DSR in bytes
unit: "bytes"
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2 | quality_flag |
binary int8 | size: 1 |
Quality Indicator (-1 if empty DSR)
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3 | integr_time |
binary uint16 (double) | size: 2 |
Integration time for this DSR
unit: "1/16 s"
converted unit: "s" (multiply by 1/16)
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4 | num_vcd |
binary uint16 | size: 2 |
Number of vertical column densities
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5 | vcd |
binary array[dim_0] |
Vertical column density (VCD)
dim_0: int(../num_vcd)
binary float | size: 4 |
unit: "molecules/cm2"
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6 | vcd_err |
binary array[dim_0] |
Error on the VCD above
dim_0: int(../num_vcd)
binary float | size: 4 |
unit: "%"
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7 | flag_vcd_flags |
binary uint16 | size: 2 |
Flag describing the VCD output above. Bit description = 0: no - yes extended field-of-view calculation; 1: no - yes maximum SZA reached, VCD computation impossible; 2: no - yes no weighting of AMFs over footprint; 3: no - yes linear weighting of AMFs over footprint; 4: no - yes parabolic weighting of AMFs over footprint; 5-15: not used at present
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8 | slant_col_den |
binary float | size: 4 |
Effective slant column density of the main parameter
unit: "molecules/cm2"
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9 | err_slant_col |
binary float | size: 4 |
Error on effective slant column density above
unit: "%"
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10 | num_linear_param |
binary uint16 | size: 2 |
Number of linear fitted parameters
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11 | num_non_linear_param |
binary uint16 | size: 2 |
Number of non-linear fitted parameters
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12 | linear_fit_param |
binary array[dim_0] |
Linear fitted parameters
dim_0: int(../num_linear_param)
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13 | linear_fit_param_err |
binary array[dim_0] |
Error on linear fitted parameters
dim_0: int(../num_linear_param)
binary float | size: 4 |
unit: "%"
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14 | linear_fit_cross_corr |
binary array[dim_0] |
Cross-correlation matrix entries of the linear fit
dim_0: int(../num_linear_param) * (int(../num_linear_param) - 1) / 2
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15 | non_linear_fit_param |
binary array[dim_0] |
Non-linear fitted parameters
dim_0: int(../num_non_linear_param)
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16 | non_linear_fit_param_err |
binary array[dim_0] |
Error on non-linear fitted parameters
dim_0: int(../num_non_linear_param)
binary float | size: 4 |
unit: "%"
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17 | non_linear_fit_cross_corr |
binary array[dim_0] |
Cross-correlation entries of the non-linear fit
dim_0: int(../num_non_linear_param) * (int(../num_non_linear_param) - 1) / 2
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18 | rms_fit |
binary float | size: 4 |
RMS of fit for the fitting window
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19 | chi_2_fit |
binary float | size: 4 |
Chi^2 of the fit
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20 | goodness_fit |
binary float | size: 4 |
Goodness of the fit
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21 | iter_num |
binary uint16 | size: 2 |
Iteration number for the fitting window
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22 | fit_flags |
binary uint16 | size: 2 |
Flags describing the above data for linear and non-linear fit. Bit definition = 0: no - yes smoothing of measurements; 1: no - yes error weighting of fitting; 2: no - yes use of ratioed measurements; 3: no - yes use of pre-convoluted cross-sections; 4: no - yes convolution of cross-sections; 5: no - yes convolution on measurement grid; 6: literature - SCIAMACHY cross-sections used; 7: linear - non-linear fitting; 8-15: not used at present
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23 | amf_gr |
binary float | size: 4 |
AMF to ground for species
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24 | amf_gr_err |
binary float | size: 4 |
Error on AMF to ground
unit: "%"
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25 | amf_cl |
binary float | size: 4 |
AMF to cloud-top for species
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26 | amf_cl_err |
binary float | size: 4 |
Error on AMF to cloud-top
unit: "%"
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27 | flag_amf_flags |
binary uint16 | size: 2 |
Flags describing the AMF data above: Bit definition = 0: clear - clear & cloud look-up; 1: one AMF value - extended field-of-view; 2: continental - maritime aerosol present; 3: no - yes maximum SZA exceeded; 4-15: not used at present
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28 | temp_ref |
binary float | size: 4 |
Temperature of reference spectrum
unit: "K"
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