S5_L2_AUI
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of S5_L2_AUI data.
field name |
type |
dimensions |
unit |
description |
|---|---|---|---|---|
datetime |
double |
{time} |
[seconds since 2020-01-01] |
time of the measurement |
datetime_length |
double |
[s] |
measurement duration |
|
orbit_index |
int32 |
absolute orbit number |
||
validity |
int32 |
{time} |
processing quality flag |
|
latitude |
float |
{time} |
[degree_north] |
latitude of the ground pixel center (WGS84) |
longitude |
float |
{time} |
[degree_east] |
longitude of the ground pixel center (WGS84) |
latitude_bounds |
float |
{time, 4} |
[degree_north] |
the four latitude boundaries of each ground pixel |
longitude_bounds |
float |
{time, 4} |
[degree_east] |
the four longitude boundaries of each ground pixel |
sensor_latitude |
float |
{time} |
[degree_north] |
latitude of the spacecraft sub-satellite point on the WGS84 reference ellipsoid |
sensor_longitude |
float |
{time} |
[degree_east] |
longitude of the spacecraft sub-satellite point on the WGS84 reference ellipsoid |
sensor_altitude |
float |
{time} |
[m] |
altitude of the spacecraft relative to the WGS84 reference ellipsoid. |
sensor_orbit_phase |
double |
{time} |
[] |
relative offset (0.0 … 1.0) of the measurement in the orbit. |
solar_zenith_angle |
float |
{time} |
[degree] |
zenith angle of the sun measured from the ground pixel location on the WGS84 reference ellipsoid |
solar_azimuth_angle |
float |
{time} |
[degree] |
azimuth angle of the sun measured from the ground pixel location on the WGS84 ellipsoid |
sensor_zenith_angle |
float |
{time} |
[degree] |
zenith angle of the spacecraft measured from the ground pixel location on the WGS84 reference ellipsoid |
sensor_azimuth_angle |
float |
{time} |
[degree] |
azimuth angle of the spacecraft measured from the ground pixel WGS84 reference ellipsoid |
surface_altitude |
float |
{time} |
[m] |
height of the surface above WGS84 ellipsoid averaged over the S5 pixel |
surface_altitude_uncertainty |
float |
{time} |
[m] |
standard deviation of the height of the surface above WGS84 ellipsoid averaged over the S5 pixel |
surface_pressure |
float |
{time} |
[Pa] |
surface pressure; from ECMWF and adjusted for surface elevation |
surface_type |
int32 |
{time} |
surface classification |
|
snow_ice_type |
int32 |
{time} |
surface condition (snow/ice); enumeration values: snow_free_land (0), sea_ice (1), permanent_ice (2), snow (3), ocean (4) |
|
sea_ice_fraction |
float |
{time} |
[] |
sea-ice concentration (as a fraction) |
absorbing_aerosol_index |
float |
{time} |
[] |
aerosol index |
absorbing_aerosol_index_uncertainty |
float |
{time} |
[] |
uncertainty of the aerosol index |
absorbing_aerosol_index_validity |
int32 |
{time} |
continuous quality descriptor, varying between 0 (no data) and 100 (full quality data) |
|
reflectance |
float |
{time, spectral} |
[] |
measured reflectance pair (lower, upper) for selected wavelength ratio |
reflectance_uncertainty |
float |
{time, spectral} |
[] |
measured reflectance uncertainty |
surface_albedo |
float |
{time} |
[] |
scene albedo |
index |
int32 |
{time} |
zero-based index of the sample within the source product |
Ingestion options
The table below lists the available ingestion options for S5_L2_AUI products.
option name |
legal values |
description |
|---|---|---|
wavelength_ratio |
354_388nm, 340_380nm, 335_367nm |
ingest aerosol index retrieved at wavelengths 354/388 nm (default), 340/380 nm, or 335/367 nm |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name |
mapping description |
|
|---|---|---|
datetime |
path |
/data/PRODUCT/time, /data/PRODUCT/delta_time[] |
description |
time converted from days since 2020-01-01 to seconds since 2020-01-01 (using 86400 seconds per day) and delta_time added; the time associated with a scanline is repeated for each pixel in the scanline |
|
datetime_length |
path |
/data/PRODUCT/delta_time[] |
description |
delta_time[1] - delta_time[0] |
|
orbit_index |
path |
/@orbit_start |
validity |
path |
/data/PRODUCT/processing_quality_flags[] |
description |
the uint64 data is cast to int32 |
|
latitude |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/latitude[] |
longitude |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/longitude[] |
latitude_bounds |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/latitude_bounds[] |
longitude_bounds |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/longitude_bounds[] |
sensor_latitude |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_latitude[] |
description |
the satellite latitude associated with a scanline is repeated for each pixel in the scanline |
|
sensor_longitude |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_longitude[] |
description |
the satellite longitude associated with a scanline is repeated for each pixel in the scanline |
|
sensor_altitude |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_altitude[] |
description |
the satellite altitude associated with a scanline is repeated for each pixel in the scanline |
|
sensor_orbit_phase |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/satellite_orbit_phase[] |
solar_zenith_angle |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/solar_zenith_angle[] |
solar_azimuth_angle |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/solar_azimuth_angle[] |
sensor_zenith_angle |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/viewing_zenith_angle[] |
sensor_azimuth_angle |
path |
/data/PRODUCT/SUPPORT_DATA/GEOLOCATIONS/viewing_azimuth_angle[] |
surface_altitude |
path |
/data/PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_altitude[] |
surface_altitude_uncertainty |
path |
data/PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_altitude_precision[] |
surface_pressure |
path |
data/PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_pressure[] |
surface_type |
path |
/data/PRODUCT/SUPPORT_DATA/INPUT_DATA/surface_classification[] |
snow_ice_type |
condition |
band=band3a or band unset |
path |
/data/PRODUCT_BAND3A/SUPPORT_DATA/INPUT_DATA/snow_ice_flag[] |
|
description |
0: snow_free_land (0), 1-100: sea_ice (1), 101: permanent_ice (2), 103: snow (3), 255: ocean (4), other values map to -1 |
|
condition |
band=band3c |
|
path |
/data/PRODUCT_BAND3C/SUPPORT_DATA/INPUT_DATA/snow_ice_flag[] |
|
description |
0: snow_free_land (0), 1-100: sea_ice (1), 101: permanent_ice (2), 103: snow (3), 255: ocean (4), other values map to -1 |
|
sea_ice_fraction |
condition |
band=band3a or band unset |
path |
/data/PRODUCT_BAND3A/SUPPORT_DATA/INPUT_DATA/snow_ice_flag[] |
|
description |
if 1 <= snow_ice_flag <= 100 then snow_ice_flag/100.0 else 0.0 |
|
condition |
band=band3c |
|
path |
/data/PRODUCT_BAND3C/SUPPORT_DATA/INPUT_DATA/snow_ice_flag[] |
|
description |
if 1 <= snow_ice_flag <= 100 then snow_ice_flag/100.0 else 0.0 |
|
absorbing_aerosol_index |
condition |
wavelength_ratio=354_388nm or wavelength_ratio unset |
path |
/data/PRODUCT/aerosol_index_354_388 |
|
condition |
wavelength_ratio=340_380nm |
|
path |
/data/PRODUCT/aerosol_index_340_380 |
|
condition |
wavelength_ratio=335_367nm |
|
path |
/data/PRODUCT/aerosol_index_335_367 |
|
absorbing_aerosol_index_uncertainty |
condition |
wavelength_ratio=354_388nm (default) |
path |
data/PRODUCT/aerosol_index_354_388_precision |
|
condition |
wavelength_ratio=340_380nm |
|
path |
data/PRODUCT/aerosol_index_340_380_precision |
|
condition |
wavelength_ratio=335_367nm |
|
path |
data/PRODUCT/aerosol_index_335_367_precision |
|
absorbing_aerosol_index_validity |
path |
data/PRODUCT/qa_value |
reflectance |
condition |
wavelength_ratio=354_388nm or wavelength_ratio unset |
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_354_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_388_measured[] |
|
condition |
wavelength_ratio=340_380nm |
|
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_340_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_380_measured[] |
|
condition |
wavelength_ratio=335_367nm |
|
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_335_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_367_measured[] |
|
reflectance_uncertainty |
condition |
wavelength_ratio=354_388nm or wavelength_ratio unset |
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_354_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_388_measured[] |
|
condition |
wavelength_ratio=340_380nm |
|
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_340_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_380_measured[] |
|
condition |
wavelength_ratio=335_367nm |
|
path |
/data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_335_measured[], /data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/reflectance_precision_367_measured[] |
|
surface_albedo |
condition |
wavelength_ratio=354_388nm or wavelength_ratio unset |
path |
data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/scene_albedo_388[] |
|
condition |
wavelength_ratio=340_380nm |
|
path |
data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/scene_albedo_380[] |
|
condition |
wavelength_ratio=335_367nm |
|
path |
data/PRODUCT/SUPPORT_DATA/DETAILED_RESULTS/scene_albedo_367[] |
|