AEOLUS_L2A_SCA

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of AEOLUS_L2A_SCA data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

start time of observation

datetime_length

double

{time}

[s]

duration of the observation

orbit_index

int32

absolute orbit number

latitude

double

{time, vertical}

[degree_north]

latitude of the bin center

longitude

double

{time, vertical}

[degree_east]

longitude of the bin center

altitude

double

{time, vertical}

[m]

altitude of the bin center

extinction_coefficient

double

{time, vertical}

[(1e-6)/m]

particle extinction

extinction_coefficient_uncertainty

double

{time, vertical}

[1/m]

uncertainty of the particle extinction

backscatter_coefficient

double

{time, vertical}

[(1e-6)/m/sr]

particle backscatter

backscatter_coefficient_uncertainty

double

{time, vertical}

[1/m/sr]

uncertainty of the particle backscatter

optical_depth

double

{time, vertical}

[]

particle local optical depth

optical_depth_uncertainty

double

{time, vertical}

[]

uncertainty of the particle local optical depth

validity

int8

{time, vertical}

processing qc flag

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

/sca_optical_properties[]/starttime

datetime_length

description

set to fixed value of 12 seconds

orbit_index

path

/mph/abs_orbit

latitude

path

/sca_optical_properties[]/geolocation_middle_bins[]/latitude

longitude

path

/sca_optical_properties[]/geolocation_middle_bins[]/longitude

altitude

path

/sca_optical_properties[]/geolocation_middle_bins[]/altitude

extinction_coefficient

path

/sca_optical_properties[]/sca_optical_properties[]/extinction

extinction_coefficient_uncertainty

path

/sca_pcd[]/profile_pcd_bins[]/extinction_variance

description

the square root of the variance is taken as uncertainty

backscatter_coefficient

path

/sca_optical_properties[]/sca_optical_properties[]/backscatter

backscatter_coefficient_uncertainty

path

/sca_pcd[]/profile_pcd_bins[]/backscatter_variance

description

the square root of the variance is taken as uncertainty

optical_depth

path

/sca_optical_properties[]/sca_optical_properties[]/lod

optical_depth_uncertainty

path

/sca_pcd[]/profile_pcd_bins[]/lod_variance

description

the square root of the variance is taken as uncertainty

validity

path

/sca_pcd[]/profile_pcd_bins[]/processing_qc_flag