| 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"
|
|
| 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 | dsr_length |
| binary uint32 | size: 4 |
|---|
|
Length of this DSR in bytes
|
|
| 2 | quality_flag |
| binary int8 | size: 1 |
|---|
|
Quality Indicator (-1 if empty DSR)
|
|
| 3 | integr_time |
| binary uint16 (double) | size: 2 |
|---|
Integration time for this DSR
unit: "1/16 s"
converted unit: "s" (multiply by 1/16)
|
|
| 4 | surface_pres |
| binary float | size: 4 |
|---|
Surface pressure
unit: "hPa"
|
|
| 5 | cl_frac |
| binary float | size: 4 |
|---|
Cloud fraction
unit: ""
|
|
| 6 | cl_frac_err |
| binary float | size: 4 |
|---|
Error on cloud fraction
unit: ""
|
|
| 7 | pmd_read |
| binary uint16 | size: 2 |
|---|
|
Number of PMD sub-pixels for this DSR
|
|
| 8 | pmd_read_cl |
| binary array[2] | size: 4 |
|---|
Number of PMD sub-pixels determined to be totally clouded or cloud-free
|
|
| 9 | cl_top_height |
| binary float | size: 4 |
|---|
Cloud-top height
unit: "km"
|
|
| 10 | cl_top_height_err |
| binary float | size: 4 |
|---|
Error on cloud-top height
unit: ""
|
|
| 11 | cl_opt_depth |
| binary float | size: 4 |
|---|
Cloud optical depth
unit: "km"
|
|
| 12 | cl_opt_depth_err |
| binary float | size: 4 |
|---|
Error on cloud optical depth
unit: ""
|
|
| 13 | cl_type_flags |
| binary uint16 | size: 2 |
|---|
|
Cloud type. Bit definition = 0: low or high cloud; 1: ice or water cloud; 2: thick or thin cloud; 3-15: not used
|
|
| 14 | cl_reflectance |
| binary float | size: 4 |
|---|
|
Cloud-top bi-directional reflectance
|
|
| 15 | cl_reflectance_err |
| binary float | size: 4 |
|---|
Error on cloud-top bi-directional reflectance
unit: ""
|
|
| 16 | surf_reflectance |
| binary float | size: 4 |
|---|
|
Effective Lambertian surface reflectance
|
|
| 17 | surf_reflectance_err |
| binary float | size: 4 |
|---|
Error on effective Lambertian surface reflectance
unit: ""
|
|
| 18 | cloud_flags |
| binary uint16 | size: 2 |
|---|
|
Flags describing the cloud parameter output. Bit definition = 0: source of cloud fraction PMD (1) - fitting (0); 1: source of cloud-top pressure fitting (1) - ISCCP (0); 2: SACURA: full convergent yes/no; 3: number of iterations exceeded, average of neighboured pixels taken yes/no; 4: SACURA: cloud layer size set to contraint yes/no; 5: cloud bottom height set to contraint yes/no; 6: cloud top height set to constraint yes/no; 7-15: not used at present
|
|
| 19 | aero_abso_ind |
| binary float | size: 4 |
|---|
|
Aerosol absorbing index
|
|
| 20 | aero_ind_diag |
| binary float | size: 4 |
|---|
|
Aerosol indicator diagnostic
|
|
| 21 | aero_flags |
| binary uint16 | size: 2 |
|---|
|
Flag describing the aerosol indicator output. Bit definition = 0: no - yes Rayleigh scattering correction successful; 1: no - yes AAIA computation successfully ended; 2-15: not used at present
|
|
| 22 | num_aero_param |
| binary uint16 | size: 2 |
|---|
|
Number of additional aerosol parameters
|
|
| 23 | aero_param |
| binary array[dim_0] |
|---|
Additional aerosol parameters
dim_0: int(../num_aero_param)
|
|