id | field name | definition |
0 | starttime |
binary time | size: 12 |
Start date and time of the group profile covered by the present DSR. This is the centroid time of the first measurement of the profile.
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 | brc_start |
binary uint16 | size: 2 |
Brc of the first measurement of the group.
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2 | measurement_start |
binary uint8 | size: 1 |
First measurement of the group.
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3 | brc_end |
binary uint16 | size: 2 |
Brc of the last measurement of the group.
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4 | measurement_end |
binary uint8 | size: 1 |
Last measurement of the group.
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5 | height_bin_index |
binary uint8 | size: 1 |
Index of the height level of the group in Rayleigh scale.
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6 | spare |
binary uint8 | size: 1 |
Spare
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hidden: true
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7 | particle_extinction_variance |
binary double | size: 8 |
Variance of the particle extinction coefficient. Missing value: -1.
unit: "m^-2"
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8 | particle_backscatter_variance |
binary double | size: 8 |
Variance of the particle backscatter coefficient. Missing value: -1.
unit: "m^-2 sr^-2"
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9 | particle_lod_variance |
binary double | size: 8 |
Variance of the particle local optical depth. Missing value: -1.
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10 | qc_flag |
binary uint8 | size: 1 |
Bit packed quality field (data valid 1, otherwise 0): Bit 1: Extinction, Bit 2: Backscatter, Bit 3: Mie SNR, Bit 4: Rayleigh SNR, Bit 5: Extinction error bar, Bit 6: Backscatter error bar, Bit 7: Cumulative LOD, Bit 8: Spare
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11 | mid_particle_extinction_variance_top |
binary double | size: 8 |
Variance of the particle extinction coefficient in this height top middle bin. Missing value: -1.
unit: "m^-2"
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12 | mid_particle_backscatter_variance_top |
binary double | size: 8 |
Variance of the particle backscatter coefficient in this height top middle bin. Missing value: -1.
unit: "m^-2 sr^-2"
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13 | mid_particle_lod_variance_top |
binary double | size: 8 |
Variance of the particle local optical depth in this height top middle bin. Missing value: -1.
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14 | mid_particle_ber_variance_top |
binary double | size: 8 |
Variance of the BER in this height top middle bin. Missing value: -1.
unit: "sr^-2"
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15 | mid_particle_extinction_variance_bot |
binary double | size: 8 |
Variance of the particle extinction coefficient in this height top middle bin. Missing value: -1.
unit: "m^-2"
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16 | mid_particle_backscatter_variance_bot |
binary double | size: 8 |
Variance of the particle backscatter coefficient in this height top middle bin. Missing value: -1.
unit: "m^-2 sr^-2"
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17 | mid_particle_lod_variance_bot |
binary double | size: 8 |
Variance of the particle local optical depth in this height top middle bin. Missing value: -1.
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18 | mid_particle_ber_variance_bot |
binary double | size: 8 |
Variance of the BER in this height top middle bin. Missing value: -1.
unit: "sr^-2"
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