ECA_AM__ACD_2B
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_AM__ACD_2B data.
field name |
type |
dimensions |
unit |
description |
|---|---|---|---|---|
datetime |
double |
{time} |
[seconds since 2000-01-01] |
UTC time |
latitude |
double |
{time} |
[degree_north] |
Geodetic latitude |
longitude |
double |
{time} |
[degree_east] |
Geodetic longitude |
latitude_bounds |
double |
{time, 4} |
[degree_north] |
latitudes of the ground pixel corners (WGS84) |
longitude_bounds |
double |
{time, 4} |
[degree_east] |
longitudes of the ground pixel corners (WGS84) |
orbit_index |
int32 |
absolute orbit number |
||
aerosol_optical_depth |
float |
{time, spectral} |
[] |
aerosol layer optical thickness 355nm |
aerosol_optical_depth_uncertainty |
float |
{time, spectral} |
[] |
aerosol layer optical thickness error |
angstrom_exponent |
float |
{time} |
[] |
angstrom exponent |
angstrom_exponent_uncertainty |
float |
{time} |
[] |
angstrom exponent error |
aerosol_type |
int8 |
{time} |
aerosol type |
|
validity |
int8 |
{time} |
quality status |
|
wavelength |
float |
{spectral} |
[nm] |
wavelength |
index |
int32 |
{time} |
zero-based index of the sample within the source product |
Ingestion options
The table below lists the available ingestion options for ECA_AM__ACD_2B products.
option name |
legal values |
description |
|---|---|---|
angstrom |
670/865 |
wavelength combination for which the angstrom exponent is extracted: 355/670 (default), or 670/865 (angstrom=670/865) |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name |
mapping description |
|
|---|---|---|
datetime |
path |
/ScienceData/time |
description |
time is replicated in the across track dimension |
|
latitude |
path |
/ScienceData/latitude |
longitude |
path |
/ScienceData/longitude |
latitude_bounds |
description |
interpolated from the center coordinates for each of the ground pixels |
longitude_bounds |
description |
interpolated from the center coordinates for each of the ground pixels |
orbit_index |
path |
/HeaderData/VariableProductHeader/MainProductHeader/orbitNumber |
aerosol_optical_depth |
path |
/ScienceData/aerosol_optical_thickness_spectral |
aerosol_optical_depth_uncertainty |
path |
/ScienceData/aerosol_optical_thickness_spectral_error |
angstrom_exponent |
condition |
angstrom unset |
path |
/ScienceData/aerosol_angstrom_exponent[*,*,0] |
|
condition |
angstrom=670/865 |
|
path |
/ScienceData/aerosol_angstrom_exponent[*,*,1] |
|
angstrom_exponent_uncertainty |
condition |
angstrom unset |
path |
/ScienceData/aerosol_angstrom_exponent_error[*,*,0] |
|
condition |
angstrom=670/865 |
|
path |
/ScienceData/aerosol_angstrom_exponent_error[*,*,1] |
|
aerosol_type |
path |
/ScienceData/aerosol_dominant_type_ATLID |
validity |
path |
/ScienceData/quality_status |
wavelength |
description |
set to fixed values of 355nm, 670nm, and 865nm |