| id | field name | definition |
|---|
| 0 | starttime |
| binary time | size: 12 |
|---|
Start date and time of the SCA 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"
|
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
|
|
|
|
| 1 | firstmatchingbin |
| binary uint8 | size: 1 |
|---|
|
Index of the first matching bin
|
|
| 2 | qc_flag |
| binary uint8 | size: 1 |
|---|
|
SCA QC flag about processed data: 1 if the first matching bin is clear; 0 else
|
|
| 3 | profile_pcd_bins |
| binary array[24] | size: 600 |
|---|
| binary record | size: 25 |
|---|
Structure containing variances of SCA products bin per bin
| id | field name | definition |
|---|
| 0 | extinction_variance |
| binary double | size: 8 |
|---|
Variance of the extinction coefficient retrieved by the SCA in this bin
unit: "m^-2"
|
|
| 1 | backscatter_variance |
| binary double | size: 8 |
|---|
Variance of the backscatter coefficient retrieved by the SCA in this bin
unit: "m^-2 sr^-2"
|
|
| 2 | lod_variance |
| binary double | size: 8 |
|---|
|
Variance of the LOD retrieved by the SCA in this bin.
|
|
| 3 | processing_qc_flag |
| binary int8 | size: 1 |
|---|
|
QC information about processing (1=data valid, otherwise 0). Bit 1: Extinction, 2: Backscatter, 3: BER, 4: Mie SNR, 5: Rayleigh SNR, 6: Extinction error bar, 7: Backscatter error bar, 8: Cumulative LOD
|
|
|
|
|
| 4 | profile_pcd_mid_bins |
| binary array[23] | size: 759 |
|---|
| binary record | size: 33 |
|---|
Structure containing variances of SCA products as mean over two neighbouring bins
| id | field name | definition |
|---|
| 0 | extinction_variance |
| binary double | size: 8 |
|---|
Variance of the extinction coefficient retrieved by the SCA in these two neighbouring bins
unit: "m^-2"
|
|
| 1 | backscatter_variance |
| binary double | size: 8 |
|---|
Variance of the backscatter coefficient retrieved by the SCA in these two neighbouring bins
unit: "m^-2 sr^-2"
|
|
| 2 | lod_variance |
| binary double | size: 8 |
|---|
|
Variance of the LOD retrieved by the SCA in these two neighbouring bins
|
|
| 3 | ber_variance |
| binary double | size: 8 |
|---|
|
Variance of the BER retrieved by the SCA in these two neighbouring bins
|
|
| 4 | processing_qc_flag |
| binary uint8 | size: 1 |
|---|
|
QC information about processing
|
|
|
|
|