GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-SO2

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-SO2 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

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

aerosol_optical_depth

double

{time}

[]

aerosol optical depth used for the retrieval

SO2_column_number_density

double

{time}

[Pmolec cm-2]

SO2 column number density

SO2_column_number_density_uncertainty_random

double

{time}

[Pmolec cm-2]

random uncertainty of the SO2 column number density

SO2_column_number_density_uncertainty_systematic

double

{time}

[Pmolec cm-2]

systematic uncertainty of the SO2 column number density

SO2_column_number_density_apriori

double

{time, vertical}

[Pmolec cm-2]

a priori SO2 column number density

SO2_column_number_density_avk

double

{time, vertical}

[]

averaging kernel for the SO2 column number density

index

int32

{time}

zero-based index of the sample within the source product

Ingestion options

The table below lists the available ingestion options for GEOMS-TE-UVVIS-DOAS-DIRECTSUN products.

option name

legal values

description

AOD

measured

ingest the modeled (default) or measured (AOD=measured) aerosol optical depth properties

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

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

aerosol_optical_depth

available

optional

condition

AOD=modeled or AOD unset

path

/AEROSOL.OPTICAL.DEPTH_INDEPENDENT

condition

AOD=measured

path

/AEROSOL.OPTICAL.DEPTH_ABSORPTION.SOLAR

SO2_column_number_density

path

/SO2.COLUMN.ABSORPTION.SOLAR

SO2_column_number_density_uncertainty_random

path

/SO2.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD

SO2_column_number_density_uncertainty_systematic

path

/SO2.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC.STANDARD

SO2_column_number_density_apriori

path

/SO2.COLUMN.PARTIAL_ABSORPTION.SOLAR_APRIORI

SO2_column_number_density_avk

path

/SO2.COLUMN_ABSORPTION.SOLAR_AVK