ECA_ATL_NOM_1B

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_ATL_NOM_1B data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

UTC time

latitude

double

{time, vertical}

[degree_north]

latitude

longitude

double

{time, vertical}

[degree_east]

longitude

altitude

float

{time, vertical}

[m]

altitude

orbit_index

int32

absolute orbit number

backscatter_coefficient

float

{time, vertical}

[1/m/sr]

attenuated backscatter

backscatter_coefficient_uncertainty

float

{time, vertical}

[1/m/sr]

attenuated backscatter

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_ATL_NOM_1B products.

option name

legal values

description

data

rayleigh, mie, crosspolar

the type of backscatter profile to ingest; option values are ‘rayleigh’ (default), ‘mie’, ‘crosspolar’

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

latitude

path

/ScienceData/sample_latitude

description

the vertical grid is inverted to make it ascending

longitude

path

/ScienceData/sample_longitude

description

the vertical grid is inverted to make it ascending

altitude

path

/ScienceData/sample_altitude

description

the vertical grid is inverted to make it ascending

orbit_index

path

/HeaderData/VariableProductHeader/MainProductHeader/orbitNumber

backscatter_coefficient

condition

data=rayleigh or data unset

path

/ScienceData/rayleigh_attenuated_backscatter

description

the vertical grid is inverted to make it ascending

condition

data=mie

path

/ScienceData/mie_attenuated_backscatter

description

the vertical grid is inverted to make it ascending

condition

data=crosspolar

path

/ScienceData/crosspolar_attenuated_backscatter

description

the vertical grid is inverted to make it ascending

backscatter_coefficient_uncertainty

condition

data=rayleigh or data unset

path

/ScienceData/rayleigh_attenuated_backscatter_total_error

description

the vertical grid is inverted to make it ascending

condition

data=mie

path

/ScienceData/mie_attenuated_backscatter_total_error

description

the vertical grid is inverted to make it ascending

condition

data=crosspolar

path

/ScienceData/crosspolar_attenuated_backscatter_total_error

description

the vertical grid is inverted to make it ascending