| id | field name | definition |
|---|
| 0 | start_of_obs_time |
| binary time | size: 12 |
|---|
Start date and time of the observation or BRC covered by the present DSR. This is the same time as in the Geolcation ADS repeated here for cross-checking purposes
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"
|
|
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|
|
| 1 | n_meas |
| binary int16 | size: 2 |
|---|
|
Number of L1 measurements reported in the L1B product for this BRC. Note this figure may vary from one BRC to the other
|
|
| 2 | n_obs_mie_actual |
| binary int16 | size: 2 |
|---|
|
Number of meaningful Mie profiles in this BRC. Note this figure may vary from one BRC to the other but will not exceed M_Mie
|
|
| 3 | p |
| binary int16 | size: 2 |
|---|
|
Total number of laser pulses (valid or invalid) fired during one measurement
|
|
| 4 | map_of_l1_measurements_used |
| binary array[dim_0, 24] |
|---|
dim_0: int(/sph/m_meas)
| binary uint8 | size: 1 |
|---|
|
Positive integer number for the current L1 measurement between 0 and M_channel (M_Mie or M_Rayleigh for the Mie and Rayleigh datasets respectively) pointing to the L2B profile. Zero indicates the L1 measurement was not used ; a number between 1 and M_channel points to an L2B profile
|
|
|
| 5 | l1_measurement_weight |
| binary array[dim_0, 24] |
|---|
dim_0: int(/sph/m_meas)
| binary uint16 | size: 2 |
|---|
|
Relative weight (integer number between 0 and 1000) of the current L1 measurement making up the observation indicated by L1_Measurement_Used
|
|
|
| 6 | mie_profile |
| binary array[dim_0] |
|---|
dim_0: int(/sph/m_mie)
| binary record | size: 253 |
|---|
Structure containing all the information related to the M_Mie wind profiles associated to the current observation
| id | field name | definition |
|---|
| 0 | obs_type |
| binary uint8 | size: 1 |
|---|
|
Defines whether this observation was classified as cloud, no cloud
|
|
| 1 | spare_1 |
| binary bytes | size: 36 |
|---|
|
Reservered for a 36-character Obs_Type String
|
hidden: true
|
| 2 | mie_height_bin_wind |
| binary array[24] | size: 216 |
|---|
| binary record | size: 9 |
|---|
Structure containing 24 sub-structures with all the information pertaining to the 24 possible height bins of the profile
| id | field name | definition |
|---|
| 0 | validity_flag |
| binary uint8 | size: 1 |
|---|
|
Validity flag (1 or TRUE = valid, 0 or FALSE = unvalid) attached to the reported wind height bin velocity
|
|
| 1 | mie_wind_velocity |
| binary int16 | size: 2 |
|---|
Wind velocity given in cm/s and rounded to the nearest integer
unit: "cm/s"
|
|
| 2 | mie_error_quantifer |
| binary uint16 | size: 2 |
|---|
Error quantifier in cm/s associated to the Mie height bin wind velocity
unit: "cm/s"
|
|
| 3 | integration_length |
| binary uint32 | size: 4 |
|---|
Integration length for the reported Mie height bin wind
unit: "m"
|
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