GEOMS-TE-UVVIS-DOAS-OFFAXIS-AEROSOL-004

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-UVVIS-DOAS-OFFAXIS-AEROSOL-004 data.

field name

type

dimensions

unit

description

sensor_name

string

name of the sensor

location_name

string

name of the site at which the sensor is located

datetime

double

{time}

[days since 2000-01-01]

mean time of the measurement

datetime_start

double

{time}

[days since 2000-01-01]

start time of the measurement

datetime_stop

double

{time}

[days since 2000-01-01]

stop time of the measurement

sensor_latitude

double

[degree_north]

latitude of the sensor

sensor_longitude

double

[degree_east]

longitude of the sensor

sensor_altitude

double

[m]

altitude of the sensor relative to the location site

wavelength

double

{spectral}

[nm]

wavelength at which aerosol is retrieved

altitude

double

{time, vertical}

[km]

effective retrieval altitude

pressure

double

{time, vertical}

[hPa]

independent pressure profile

temperature

double

{time, vertical}

[K]

independent temperature profile

altitude_bounds

double

{time, vertical, 2}

[km]

lower and upper boundaries of the height layers

solar_zenith_angle

double

{time}

[degree]

solar astronomical zenith angle

solar_azimuth_angle

double

{time}

[degree]

solar azimuth angle

viewing_azimuth_angle

double

{time}

[degree]

viewing azimuth angle of the sensor

viewing_zenith_angle

double

{time}

[degree]

viewing zenith angle of the sensor

latitude

double

{time, vertical}

[degree_north]

latitude of effective air mass at each altitude

longitude

double

{time, vertical}

[degree_east]

longitude of effective air mass at each altitude

cloud_type

int8

{time}

cloud condition; enumeration values: clear_sky (0), thin_clouds (1), thick_clouds (2), broken_clouds (3)

aerosol_extinction_coefficient

double

{time, spectral, vertical}

[km^-1]

aerosol extinction coefficient

aerosol_extinction_coefficient_covariance

double

{time, spectral, vertical, vertical}

[km^-2]

covariance of the aerosol extinction coefficient

aerosol_extinction_coefficient_uncertainty_random

double

{time, spectral, vertical}

[km^-1]

random uncertainty of the aerosol extinction coefficient

aerosol_extinction_coefficient_uncertainty_systematic

double

{time, spectral, vertical}

[km^-1]

systematic uncertainty of the aerosol extinction coefficient

aerosol_extinction_coefficient_apriori

double

{time, spectral, vertical}

[km^-1]

a priori aerosol extinction coefficient

aerosol_extinction_coefficient_avk

double

{time, spectral, vertical, vertical}

[]

averaging kernel of the aerosol extinction coefficient

tropospheric_aerosol_optical_depth

double

{time, spectral}

[]

tropospheric aerosol optical depth

tropospheric_aerosol_optical_depth_uncertainty_random

double

{time, spectral}

[]

random uncertainty of the tropospheric aerosol optical depth

tropospheric_aerosol_optical_depth_uncertainty_systematic

double

{time, spectral}

[]

systematic uncertainty of the tropospheric aerosol optical depth

tropospheric_aerosol_optical_depth_apriori

double

{time, spectral}

[]

a priori tropospheric aerosol optical depth

tropospheric_aerosol_optical_depth_avk

double

{time, spectral, vertical}

[]

averaging kernel of the tropospheric aerosol optical depth

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

sensor_name

path

/@DATA.SOURCE

location_name

path

/@DATA.LOCATION

datetime

path

/DATETIME

datetime_start

path

/DATETIME.START

datetime_stop

path

/DATETIME.STOP

sensor_latitude

path

/LATITUDE.INSTRUMENT

sensor_longitude

path

/LONGITUDE.INSTRUMENT

sensor_altitude

path

/ALTITUDE.INSTRUMENT

wavelength

path

/WAVELENGTH

altitude

path

/ALTITUDE

pressure

path

/PRESSURE_INDEPENDENT

temperature

path

/TEMPERATURE_INDEPENDENT

altitude_bounds

path

/ALTITUDE.BOUNDARIES

solar_zenith_angle

path

/ANGLE.SOLAR_ZENITH.ASTRONOMICAL

solar_azimuth_angle

path

/ANGLE.SOLAR_AZIMUTH

viewing_azimuth_angle

path

/ANGLE.VIEW_AZIMUTH

viewing_zenith_angle

path

/ANGLE.VIEW_ZENITH

latitude

available

optional

path

/LATITUDE

longitude

available

optional

path

/LONGITUDE

cloud_type

path

/CLOUD.CONDITIONS

description

“clear-sky”: clear_sky (0); “thin clouds”: thin_clouds (1); “thick clouds”: thick_clouds (2); “broken clouds”: broken_clouds (3); “”: (-1)

aerosol_extinction_coefficient

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS

aerosol_extinction_coefficient_covariance

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE

aerosol_extinction_coefficient_uncertainty_random

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE

description

the uncertainty is the square root of the trace of the covariance

aerosol_extinction_coefficient_uncertainty_systematic

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE

description

the uncertainty is the square root of the trace of the covariance

aerosol_extinction_coefficient_apriori

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_APRIORI

aerosol_extinction_coefficient_avk

path

/AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_AVK

tropospheric_aerosol_optical_depth

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS

tropospheric_aerosol_optical_depth_uncertainty_random

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD

tropospheric_aerosol_optical_depth_uncertainty_systematic

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD

tropospheric_aerosol_optical_depth_apriori

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI

tropospheric_aerosol_optical_depth_avk

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK