OCO_OCO3_LtCO2

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of OCO_OCO3_LtCO2 data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 1970-01-01]

time of the measurement

latitude

double

{time}

[degree_north]

center latitude of the measurement

longitude

double

{time}

[degree_east]

center longitude of the measurement

latitude_bounds

double

{time, 4}

[degree_north]

corner latitudes of the measurement

longitude_bounds

double

{time, 4}

[degree_east]

corner longitudes of the measurement

surface_altitude

double

{time}

[m]

surface altitude

surface_pressure

double

{time}

[hPa]

retrieved surface pressure

pressure

double

{time, vertical}

[hPa]

pressure levels

sensor_azimuth_angle

double

{time}

[degree]

sensor azimuth angle

sensor_zenith_angle

double

{time}

[degree]

sensor zenith angle

solar_azimuth_angle

double

{time}

[degree]

solar azimuth angle

solar_zenith_angle

double

{time}

[degree]

solar zenith angle

CO2_column_volume_mixing_ratio_dry_air

double

{time}

[ppmv]

Column-averaged dry-air mole fraction of CO2 (includes bias correction)

CO2_column_volume_mixing_ratio_dry_air_uncertainty

double

{time}

[ppmv]

XCO2 posterior error

CO2_column_volume_mixing_ratio_dry_air_validity

int8

{time}

XCO2 simple quality bitflag

CO2_column_volume_mixing_ratio_dry_air_apriori

double

{time}

[ppmv]

XCO2 a-priori

CO2_column_volume_mixing_ratio_dry_avk

double

{time, vertical}

[ppmv/ppmv]

XCO2 column averaging kernel

CO2_volume_mixing_ratio_dry_air_apriori

double

{time, vertical}

[ppmv]

CO2 a-priori profile

validity

int8

{time}

XCO2 quality flag

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

/time[]

latitude

path

/latitude[]

longitude

path

/longitude[]

latitude_bounds

path

/vertex_latitude[]

longitude_bounds

path

/vertex_longitude[]

surface_altitude

path

/Sounding/altitude[]

surface_pressure

path

/Retrieval/psurf[]

pressure

path

/pressure_levels[]

description

the vertical grid is inverted to make it ascending

sensor_azimuth_angle

path

/Sounding/sensor_azimuth_angle[]

sensor_zenith_angle

path

/sensor_zenith_angle[]

solar_azimuth_angle

path

/Sounding/solar_azimuth_angle[]

solar_zenith_angle

path

/solar_zenith_angle[]

CO2_column_volume_mixing_ratio_dry_air

path

/xco2[]

CO2_column_volume_mixing_ratio_dry_air_uncertainty

path

/xco2_uncertainty[]

CO2_column_volume_mixing_ratio_dry_air_validity

available

optional

condition

version>9

path

/xco2_qf_simple_bitflag[]

CO2_column_volume_mixing_ratio_dry_air_apriori

path

/xco2_apriori[]

CO2_column_volume_mixing_ratio_dry_avk

path

/xco2_averaging_kernel[]

description

the vertical grid is inverted to make it ascending

CO2_volume_mixing_ratio_dry_air_apriori

path

/co2_profile_apriori[]

description

the vertical grid is inverted to make it ascending

validity

path

/xco2_quality_flag[]