GEOMS-TE-FTIR-003-NO2
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-FTIR-003-NO2 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 |
||
measurement_mode |
string |
‘solar’ or ‘lunar’ measurement |
||
sensor_latitude |
double |
[degree_north] |
latitude of the sensor |
|
sensor_longitude |
double |
[degree_east] |
longitude of the sensor |
|
sensor_altitude |
double |
[km] |
altitude of the sensor |
|
datetime |
double |
{time} |
[days since 2000-01-01] |
time of the measurement |
datetime_length |
double |
{time} |
[s] |
duration of the measurement |
NO2_column_number_density |
double |
{time} |
[molec/m2] |
total NO2 vertical column |
NO2_column_number_density_apriori |
double |
{time} |
[molec/m2] |
a priori total NO2 vertical column |
NO2_column_number_density_avk |
double |
{time, vertical} |
[] |
averaging kernel for the total NO2 vertical column |
NO2_column_number_density_uncertainty_random |
double |
{time} |
[molec/m2] |
random uncertainty of the total NO2 vertical column |
NO2_column_number_density_uncertainty_systematic |
double |
{time} |
[molec/m2] |
systematic uncertainty of the total NO2 vertical column |
H2O_column_number_density_apriori |
double |
{time} |
[molec/m2] |
total H2O vertical column |
NO2_volume_mixing_ratio_dry_air |
double |
{time, vertical} |
[ppmv] |
NO2 volume mixing ratio |
NO2_volume_mixing_ratio_dry_air_apriori |
double |
{time, vertical} |
[ppmv] |
a priori NO2 volume mixing ratio |
NO2_volume_mixing_ratio_dry_air_avk |
double |
{time, vertical, vertical} |
[] |
averaging kernel for the NO2 volume mixing ratio |
NO2_volume_mixing_ratio_dry_air_covariance |
double |
{time, vertical, vertical} |
[(ppmv)2] |
covariance of the NO2 volume mixing ratio |
NO2_volume_mixing_ratio_dry_air_uncertainty_random |
double |
{time, vertical} |
[ppmv] |
random uncertainty of the NO2 volume mixing ratio |
NO2_volume_mixing_ratio_dry_air_uncertainty_systematic |
double |
{time, vertical} |
[ppmv] |
systematic uncertainty of the NO2 volume mixing ratio |
H2O_volume_mixing_ratio_dry_air |
double |
{time, vertical} |
[ppmv] |
H2O volume mixing ratio |
altitude |
double |
{time, vertical} |
[km] |
retrieval effective altitude |
altitude_bounds |
double |
{time, vertical, 2} |
[km] |
lower and upper boundaries of the height layers |
pressure |
double |
{time, vertical} |
[hPa] |
independent pressure profile |
temperature |
double |
{time, vertical} |
[K] |
independent temperature profile |
surface_pressure |
double |
{time} |
[hPa] |
independent surface pressure |
surface_temperature |
double |
{time} |
[K] |
independent surface temperature |
solar_azimuth_angle |
double |
{time} |
[degree] |
solar azimuth angle |
solar_zenith_angle |
double |
{time} |
[degree] |
solar zenith angle |
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 |
measurement_mode |
condition |
determined from ‘variable mode’ part of variable names |
sensor_latitude |
path |
/LATITUDE.INSTRUMENT |
sensor_longitude |
path |
/LONGITUDE.INSTRUMENT |
sensor_altitude |
path |
/ALTITUDE.INSTRUMENT |
datetime |
path |
/DATETIME |
datetime_length |
available |
optional |
path |
/INTEGRATION.TIME |
|
NO2_column_number_density |
condition |
solar measurement |
path |
/NO2.COLUMN_ABSORPTION.SOLAR |
|
description |
unit is converted to molec/m2 |
|
condition |
lunar measurement |
|
path |
/NO2.COLUMN_ABSORPTION.LUNAR |
|
description |
unit is converted to molec/m2 |
|
NO2_column_number_density_apriori |
path |
/NO2.COLUMN_APRIORI |
description |
unit is converted to molec/m2 |
|
NO2_column_number_density_avk |
condition |
solar measurement |
path |
/NO2.COLUMN_ABSORPTION.SOLAR_AVK |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere |
|
condition |
lunar measurement |
|
path |
/NO2.COLUMN_ABSORPTION.LUNAR_AVK |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere |
|
NO2_column_number_density_uncertainty_random |
condition |
solar measurement |
path |
/NO2.COLUMN_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD |
|
description |
unit is converted to molec/m2 |
|
condition |
lunar measurement |
|
path |
/NO2.COLUMN_ABSORPTION.LUNAR_UNCERTAINTY.RANDOM.STANDARD |
|
description |
unit is converted to molec/m2 |
|
NO2_column_number_density_uncertainty_systematic |
condition |
solar measurement |
path |
/NO2.COLUMN_ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC.STANDARD |
|
description |
unit is converted to molec/m2 |
|
condition |
lunar measurement |
|
path |
/NO2.COLUMN_ABSORPTION.LUNAR_UNCERTAINTY.SYSTEMATIC.STANDARD |
|
description |
unit is converted to molec/m2 |
|
H2O_column_number_density_apriori |
path |
/H2O.COLUMN_APRIORI |
description |
unit is converted to molec/m2 |
|
NO2_volume_mixing_ratio_dry_air |
available |
optional |
condition |
solar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR |
|
description |
unit is converted to ppmv; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
condition |
lunar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.LUNAR |
|
description |
unit is converted to ppmv; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
NO2_volume_mixing_ratio_dry_air_apriori |
available |
optional |
path |
/NO2.MIXING.RATIO.VOLUME.DRY_APRIORI |
|
description |
unit is converted to ppmv; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
NO2_volume_mixing_ratio_dry_air_avk |
available |
optional |
condition |
solar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_AVK |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere |
|
condition |
lunar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.LUNAR_AVK |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere |
|
NO2_volume_mixing_ratio_dry_air_covariance |
available |
optional |
condition |
solar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.COVARIANCE |
|
description |
unit is converted to (ppmv)2; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
condition |
lunar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.LUNAR_UNCERTAINTY.RANDOM.COVARIANCE |
|
description |
unit is converted to (ppmv)2; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
NO2_volume_mixing_ratio_dry_air_uncertainty_random |
available |
optional |
condition |
solar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.COVARIANCE |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere; the uncertainty is the square root of the trace of the covariance; unit is converted to ppmv |
|
condition |
lunar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.LUNAR_UNCERTAINTY.RANDOM.COVARIANCE |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere; the uncertainty is the square root of the trace of the covariance; unit is converted to ppmv |
|
NO2_volume_mixing_ratio_dry_air_uncertainty_systematic |
available |
optional |
condition |
solar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC.COVARIANCE |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere; the uncertainty is the square root of the trace of the covariance; unit is converted to ppmv |
|
condition |
lunar measurement |
|
path |
/NO2.MIXING.RATIO.VOLUME.DRY_ABSORPTION.LUNAR_UNCERTAINTY.SYSTEMATIC.COVARIANCE |
|
description |
the vertical axis is re-ordered from surface to top-of-atmosphere; the uncertainty is the square root of the trace of the covariance; unit is converted to ppmv |
|
H2O_volume_mixing_ratio_dry_air |
path |
/H2O.MIXING.RATIO.VOLUME_APRIORI |
description |
unit is converted to ppmv; the vertical axis is re-ordered from surface to top-of-atmosphere |
|
altitude |
path |
/ALTITUDE |
description |
the vertical axis is re-ordered from surface to top-of-atmosphere |
|
altitude_bounds |
path |
/ALTITUDE.BOUNDS |
description |
lower and upper boundaries of the height layers |
|
pressure |
path |
/PRESSURE_INDEPENDENT |
description |
independent pressure profile |
|
temperature |
path |
/TEMPERATURE_INDEPENDENT |
description |
independent temperature profile |
|
surface_pressure |
path |
/SURFACE.PRESSURE_INDEPENDENT |
surface_temperature |
path |
/SURFACE.TEMPERATURE_INDEPENDENT |
solar_azimuth_angle |
condition |
solar measurement |
path |
/ANGLE.SOLAR_AZIMUTH |
|
condition |
lunar measurement |
|
path |
/ANGLE.LUNAR_AZIMUTH |
|
solar_zenith_angle |
condition |
solar measurement |
path |
/ANGLE.SOLAR_ZENITH.ASTRONOMICAL |
|
condition |
lunar measurement |
|
path |
/ANGLE.LUNAR_ZENITH.ASTRONOMICAL |
|