GEOMS-TE-UVVIS-DOAS-OFFAXIS-GAS-006-SO2
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-SO2
data.
field name | type | dimensions | unit | description |
---|---|---|---|---|
index | int32 | {time} | zero-based index of the sample within the source product | |
instrument_name | string | name of the instrument | ||
site_name | string | name of the site at which the instrument 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 |
instrument_latitude | double | degree_north | latitude of the instrument | |
instrument_longitude | double | degree_east | longitude of the measurement | |
instrument_altitude | double | m | altitude of the instrument relative to the location site | |
altitude | double | {time, vertical} | km | effictive 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} | deg | solar astronomical zenith angle |
solar_azimuth_angle | double | {time} | deg | solar azimuth angle |
viewing_azimith_angle | double | {time} | deg | viewing azimuth angle of the instrument |
viewing_zenith_angle | double | {time} | deg | viewing zenith angle of the instrument |
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_flag | string | {time} | one of clear-sky, thin-clouds, thick-clouds, broken-clouds, unavailable | |
stratospheric_aerosol_optical_depth | double | {time} | 1 | total stratospheric aerosol optical depth user for the retrieval |
SO2_volume_mixing_ratio | double | {time, vertical} | ppv | SO2 volume mixing ratio |
SO2_volume_mixing_ratio_cov_random | double | {time, vertical, vertical} | ppv | random covariance of the SO2 volume mixing ratio |
SO2_volume_mixing_ratio_cov_systematic | double | {time, vertical, vertical} | ppv | systematic covariance of the SO2 volume mixing ratio |
SO2_volume_mixing_ratio_apriori | double | {time, vertical} | ppv | a priori SO2 volume mixing ratio |
SO2_volume_mixing_ratio_avk | double | {time, vertical, vertical} | 1 | averaging kernel for the SO2 volume mixing ratio |
tropospheric_SO2_column_number_density | double | {time} | Pmolec cm-2 | tropospheric SO2 column number density |
tropospheric_SO2_column_number_density_stdev_random | double | {time, vertical} | Pmolec cm-2 | random uncertainty of the tropospheric SO2 column number density |
tropospheric_SO2_column_number_density_stdev_systematic | double | {time, vertical} | Pmolec cm-2 | systematic covariance of the tropospheric SO2 column number density |
tropospheric_SO2_column_number_density_apriori | double | {time} | Pmolec cm-2 | a priori tropospheric SO2 column number density |
tropospheric_SO2_column_number_density_avk | double | {time, vertical} | 1 | averaging kernel for the tropospheric SO2 column number density |
SO2_column_number_density | double | {time, vertical} | Pmolec cm-2 | SO2 partial column number density profile |
SO2_column_number_density_apriori | double | {time, vertical} | Pmolec cm-2 | a priori SO2 partial column number density profile |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name | mapping description | |
---|---|---|
instrument_name | path | /@DATA.SOURCE |
site_name | path | /@DATA.LOCATION |
datetime | path | /DATETIME |
datetime_start | path | /DATETIME.START |
datetime_stop | path | /DATETIME.STOP |
instrument_latitude | path | /LATITUDE.INSTRUMENT |
instrument_longitude | path | /LONGITUDE.INSTRUMENT |
instrument_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_azimith_angle | path | /ANGLE.VIEW_AZIMUTH |
viewing_zenith_angle | path | /ANGLE.VIEW_ZENITH |
latitude | available | optional |
path | /LATITUDE | |
longitude | available | optional |
path | /LONGITUDE | |
cloud_flag | path | /CLOUD.CONDITIONS |
stratospheric_aerosol_optical_depth | available | optional |
condition | AOD=modeled | |
path | /AEROSOL.OPTICAL.DEPTH.STRATOSPHERIC_INDEPENDENT | |
condition | AOD=measured | |
path | /AEROSOL.OPTICAL.DEPTH.STRATOSPHERIC_SCATTER.SOLAR.ZENITH | |
SO2_volume_mixing_ratio | path | /SO2.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS |
SO2_volume_mixing_ratio_cov_random | path | /SO2.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE |
SO2_volume_mixing_ratio_cov_systematic | path | /SO2.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE |
SO2_volume_mixing_ratio_apriori | path | /SO2.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_APRIORI |
SO2_volume_mixing_ratio_avk | path | /SO2.MIXING.RATIO.VOLUME_SCATTER.SOLAR.OFFAXIS_AVK |
tropospheric_SO2_column_number_density | path | /SO2.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS |
tropospheric_SO2_column_number_density_stdev_random | path | /SO2.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD |
tropospheric_SO2_column_number_density_stdev_systematic | path | /SO2.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD |
tropospheric_SO2_column_number_density_apriori | path | /SO2.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI |
tropospheric_SO2_column_number_density_avk | path | /SO2.COLUMN.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK |
SO2_column_number_density | path | /SO2.COLUMN.PARTIAL_SCATTER.SOLAR.OFFAXIS |
SO2_column_number_density_apriori | path | /SO2.COLUMN.PARTIAL_SCATTER.SOLAR.OFFAXIS_APRIORI |