GEOMS-TE-UVVIS-DOAS-OFFAXIS-GAS-004-H2CO

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-GAS-004-H2CO 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

cloud_type

int8

{time}

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

tropospheric_aerosol_optical_depth

double

{time}

[]

tropospheric aerosol optical depth used for the retrieval

HCHO_volume_mixing_ratio

double

{time, vertical}

[ppmv]

HCHO volume mixing ratio

HCHO_volume_mixing_ratio_covariance

double

{time, vertical, vertical}

[(ppmv)2]

covariance of the HCHO volume mixing ratio

HCHO_volume_mixing_ratio_uncertainty_random

double

{time, vertical}

[ppmv]

random uncertainty of the HCHO volume mixing ratio

HCHO_volume_mixing_ratio_uncertainty_systematic

double

{time, vertical}

[ppmv]

systematic uncertainty of the HCHO volume mixing ratio

HCHO_volume_mixing_ratio_apriori

double

{time, vertical}

[ppmv]

a priori HCHO volume mixing ratio

HCHO_volume_mixing_ratio_avk

double

{time, vertical, vertical}

[]

averaging kernel for the HCHO volume mixing ratio

tropospheric_HCHO_column_number_density

double

{time}

[Pmolec cm-2]

tropospheric HCHO column number density

tropospheric_HCHO_column_number_density_uncertainty_random

double

{time}

[Pmolec cm-2]

random uncertainty of the tropospheric HCHO column number density

tropospheric_HCHO_column_number_density_uncertainty_systematic

double

{time}

[Pmolec cm-2]

systematic uncertainty of the tropospheric HCHO column number density

tropospheric_HCHO_column_number_density_apriori

double

{time}

[Pmolec cm-2]

a priori tropospheric HCHO column number density

tropospheric_HCHO_column_number_density_avk

double

{time, vertical}

[]

averaging kernel for the tropospheric HCHO column number density

HCHO_column_number_density

double

{time, vertical}

[Pmolec cm-2]

HCHO partial column number density profile

HCHO_column_number_density_apriori

double

{time, vertical}

[Pmolec cm-2]

a priori HCHO partial column number density profile

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-OFFAXIS 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

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)

tropospheric_aerosol_optical_depth

available

optional

condition

AOD=modeled or AOD unset

path

/AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_INDEPENDENT

condition

AOD=measured

path

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

HCHO_volume_mixing_ratio

available

optional

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS

HCHO_volume_mixing_ratio_covariance

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE

HCHO_volume_mixing_ratio_uncertainty_random

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE

description

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

HCHO_volume_mixing_ratio_uncertainty_systematic

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE

description

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

HCHO_volume_mixing_ratio_apriori

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_APRIORI

HCHO_volume_mixing_ratio_avk

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_AVK

tropospheric_HCHO_column_number_density

path

/H2CO.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS

tropospheric_HCHO_column_number_density_uncertainty_random

path

/H2CO.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD

tropospheric_HCHO_column_number_density_uncertainty_systematic

path

/H2CO.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD

tropospheric_HCHO_column_number_density_apriori

path

/H2CO.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI

tropospheric_HCHO_column_number_density_avk

path

/H2CO.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK

HCHO_column_number_density

available

optional

condition

/HCHO.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS available

path

/H2CO.COLUMN.PARTIAL_SCATTER.SOLAR.OFFAXIS

HCHO_column_number_density_apriori

path

/H2CO.COLUMN.PARTIAL_SCATTER.SOLAR.OFFAXIS_APRIORI