GEOMS-TE-UVVIS-DOAS-OFFAXIS-AEROSOL-004
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-AEROSOL-004 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 | |
| wavelength | double | {spectral} | nm | wavelength at which aerosol is retrieved |
| 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 | |
| aerosol_extinction_coefficient | double | {time, spectral, vertical} | km^-1 | aerosol extinction coefficient |
| aerosol_extinction_coefficient_cov_random | double | {time, spectral, vertical, vertical} | km^-2 | random covariance of the aerosol extinction coefficient |
| aerosol_extinction_coefficient_cov_systematic | double | {time, spectral, vertical, vertical} | km^-2 | systematic covariance of the aerosol extinction coefficient |
| aerosol_extinction_coefficient_apriori | double | {time, spectral, vertical} | km^-1 | a priori aerosol extinction coefficient |
| aerosol_extinction_coefficient_avk | double | {time, spectral, vertical, vertical} | 1 | averaging kernel of the aerosol extinction coefficient |
| tropospheric_aerosol_optical_depth | double | {time, spectral} | 1 | tropospheric aerosol optical depth |
| tropospheric_aerosol_optical_depth_stdev_random | double | {time, spectral} | 1 | random uncertainty of the tropospheric aerosol optical depth |
| tropospheric_aerosol_optical_depth_stdev_systematic | double | {time, spectral} | 1 | systematic uncertainty of the tropospheric aerosol optical depth |
| tropospheric_aerosol_optical_depth_apriori | double | {time, spectral} | 1 | a priori tropospheric aerosol optical depth |
| tropospheric_aerosol_optical_depth_avk | double | {time, spectral, vertical} | 1 | averaging kernel of the tropospheric aerosol optical depth |
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 |
| wavelength | path | /WAVELENGTH |
| 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 |
| aerosol_extinction_coefficient | path | /AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS |
| aerosol_extinction_coefficient_cov_random | path | /AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.COVARIANCE |
| aerosol_extinction_coefficient_cov_systematic | path | /AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.COVARIANCE |
| aerosol_extinction_coefficient_apriori | path | /AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_APRIORI |
| aerosol_extinction_coefficient_avk | path | /AEROSOL.EXTINCTION.COEFFICIENT_SCATTER.SOLAR.OFFAXIS_AVK |
| tropospheric_aerosol_optical_depth | path | /AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS |
| tropospheric_aerosol_optical_depth_stdev_random | path | /AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.RANDOM.STANDARD |
| tropospheric_aerosol_optical_depth_stdev_systematic | path | /AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_UNCERTAINTY.SYSTEMATIC.STANDARD |
| tropospheric_aerosol_optical_depth_apriori | path | /AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_APRIORI |
| tropospheric_aerosol_optical_depth_avk | path | /AEROSOL.OPTICAL.DEPTH.TROPOSPHERIC_SCATTER.SOLAR.OFFAXIS_AVK |