ESACCI_AEROSOL_L2_ATSR2
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_AEROSOL_L2_ATSR2 data.
field name |
type |
dimensions |
unit |
description |
|---|---|---|---|---|
datetime |
double |
{time} |
[seconds since 2000-01-01] |
time of the measurement |
latitude |
double |
{time} |
[degree_north] |
latitude of the ground pixel center |
longitude |
double |
{time} |
[degree_east] |
longitude of the ground pixel center |
latitude_bounds |
double |
{time, 4} |
[degree_north] |
corner latitudes for the ground pixel of the measurement |
longitude_bounds |
double |
{time, 4} |
[degree_east] |
corner longitudes for the ground pixel of the measurement |
aerosol_optical_depth |
double |
{time, spectral} |
[] |
aerosol optical depth |
aerosol_optical_depth_uncertainty |
double |
{time, spectral} |
[] |
uncertainty of the aerosol optical depth |
wavelength |
double |
{time, spectral} |
[nm] |
wavelengths of the measurements |
sensor_zenith_angle |
double |
{time} |
[degree] |
sensor zenith angle for nadir view |
solar_zenith_angle |
double |
{time} |
[degree] |
solar zenith angle for nadir view |
index |
int32 |
{time} |
zero-based index of the sample within the source product |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name |
mapping description |
|
|---|---|---|
datetime |
path |
/time[] |
latitude |
path |
/latitude[] |
longitude |
path |
/longitude[] |
latitude_bounds |
path |
/pixel_corner_latitude1[], /pixel_corner_latitude2[], /pixel_corner_latitude3[], /pixel_corner_latitude4[] |
description |
corner latitudes for the ground pixel of the measurement |
|
longitude_bounds |
path |
/pixel_corner_longitude1[], /pixel_corner_longitude2[], /pixel_corner_longitude3[], /pixel_corner_longitude4[] |
description |
corner longitudes for the ground pixel of the measurement |
|
aerosol_optical_depth |
path |
/AOD550[], /AOD670[], /AOD870[], /AOD1600[] |
aerosol_optical_depth_uncertainty |
path |
/AOD550_uncertainty[], /AOD670_uncertainty[], /AOD870_uncertainty[], /AOD1600_uncertainty[] |
description |
depending on how the data is processed, uncertainty data is not always available for all wavelengths. If the data is not available, NaN values are used. |
|
wavelength |
description |
fixed values |
sensor_zenith_angle |
available |
optional |
path |
/satellite_zenith_at_center[] |
|
solar_zenith_angle |
available |
optional |
path |
/sun_zenith_at_center[] |
|