GEOMS-TE-UVVIS-DOAS-OFFAXIS-GAS-006-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-006-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 |