GOSAT_FTS_L2_CO2_TC
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of GOSAT_FTS_L2_CO2_TC data.
field name  | 
type  | 
dimensions  | 
unit  | 
description  | 
|---|---|---|---|---|
datetime  | 
double  | 
{time}  | 
[seconds since 2000-01-01]  | 
time of the measurement at end of integration time  | 
longitude  | 
double  | 
{time}  | 
[degree_east]  | 
longitude of the measurement  | 
latitude  | 
double  | 
{time}  | 
[degree_north]  | 
latitude of the measurement  | 
longitude_bounds  | 
double  | 
{time, 4}  | 
[degree_east]  | 
corner longitudes for the geospatial footprint of the measurement  | 
latitude_bounds  | 
double  | 
{time, 4}  | 
[degree_north]  | 
corner latitudes for the geospatial footprint of the measurement  | 
solar_azimuth_angle  | 
double  | 
{time}  | 
[degree]  | 
solar azimuth angle at the observation point  | 
solar_zenith_angle  | 
double  | 
{time}  | 
[degree]  | 
solar zenith angle at the observation point  | 
sensor_azimuth_angle  | 
double  | 
{time}  | 
[degree]  | 
sensor azimuth angle at the surface  | 
sensor_zenith_angle  | 
double  | 
{time}  | 
[degree]  | 
sensor zenith angle at the observation point  | 
CO2_column_volume_mixing_ratio_dry_air  | 
double  | 
{time}  | 
[ppmv]  | 
CO2 column volume mixing ratio  | 
CO2_column_volume_mixing_ratio_dry_air_uncertainty  | 
double  | 
{time}  | 
[ppmv]  | 
uncertainty of the CO2 column volume mixing ratio  | 
CO2_column_number_density  | 
double  | 
{time}  | 
[molec/cm^2]  | 
CO2 column number density  | 
CO2_column_number_density_uncertainty  | 
double  | 
{time}  | 
[molec/cm^2]  | 
uncertainty of the CO2 column number density  | 
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  | 
|
|---|---|---|
datetime  | 
path  | 
/scanAttribute/time[]  | 
longitude  | 
path  | 
/Data/geolocation/longitude[]  | 
latitude  | 
path  | 
/Data/geolocation/latitude[]  | 
longitude_bounds  | 
path  | 
/Data/geolocation/footPrintLongitude  | 
description  | 
the corners are calculated by defining a bounding box around the circular footprint area  | 
|
latitude_bounds  | 
path  | 
/Data/geolocation/footPrintLatitude  | 
description  | 
the corners are calculated by defining a bounding box around the circular footprint area  | 
|
solar_azimuth_angle  | 
path  | 
/Data/geolocation/solarAzimuth[]  | 
solar_zenith_angle  | 
path  | 
/Data/geolocation/solarZenith[]  | 
sensor_azimuth_angle  | 
path  | 
/Data/geolocation/satelliteAzimuth[]  | 
sensor_zenith_angle  | 
path  | 
/Data/geolocation/satelliteZenith[]  | 
CO2_column_volume_mixing_ratio_dry_air  | 
path  | 
/Data/mixingRatio/XCO2  | 
CO2_column_volume_mixing_ratio_dry_air_uncertainty  | 
path  | 
/Data/mixingRatio/XCO2SmoothingError, /Data/mixingRatio/XCO2RetrievalNoise, /Data/mixingRatio/XCO2InterferenceError, /Data/mixingRatio/XCO2ExternalNoise  | 
description  | 
the uncertainty returned is the sum of all four error components  | 
|
CO2_column_number_density  | 
path  | 
/Data/totalColumn/CO2TotalColumn  | 
CO2_column_number_density_uncertainty  | 
path  | 
/Data/totalColumn/CO2TotalColumnSmoothingError, /Data/totalColumn/CO2TotalColumnRetrievalNoise, /Data/totalColumn/CO2TotalColumnInterferenceError, /Data/totalColumn/CO2TotalColumnExternalNoise  | 
description  | 
the uncertainty returned is the sum of all four error components  | 
|