GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-HONO
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of GEOMS-TE-UVVIS-DOAS-DIRECTSUN-GAS-005-HONO data.
| field name | type | dimensions | unit | description | 
|---|---|---|---|---|
| sensor_name | string | name of the sensor | ||
| site_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 | 
| aerosol_optical_depth | double | {time} | [] | aerosol optical depth used for the retrieval | 
| HNO2_column_number_density | double | {time} | [Pmolec cm-2] | HNO2 column number density | 
| HNO2_column_number_density_uncertainty_random | double | {time} | [Pmolec cm-2] | random uncertainty of the HNO2 column number density | 
| HNO2_column_number_density_uncertainty_systematic | double | {time} | [Pmolec cm-2] | systematic uncertainty of the HNO2 column number density | 
| HNO2_column_number_density_apriori | double | {time, vertical} | [Pmolec cm-2] | a priori HNO2 column number density | 
| HNO2_column_number_density_avk | double | {time, vertical} | [] | averaging kernel for the HNO2 column number density | 
| 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-DIRECTSUN 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 | 
| site_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 | |
| aerosol_optical_depth | available | optional | 
| condition | AOD=modeled or AOD unset | |
| path | /AEROSOL.OPTICAL.DEPTH_INDEPENDENT | |
| condition | AOD=measured | |
| path | /AEROSOL.OPTICAL.DEPTH_ABSORPTION.SOLAR | |
| HNO2_column_number_density | path | /HONO.COLUMN.ABSORPTION.SOLAR | 
| HNO2_column_number_density_uncertainty_random | path | /HONO.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.RANDOM.STANDARD | 
| HNO2_column_number_density_uncertainty_systematic | path | /HONO.COLUMN.ABSORPTION.SOLAR_UNCERTAINTY.SYSTEMATIC.STANDARD | 
| HNO2_column_number_density_apriori | path | /HONO.COLUMN.PARTIAL_ABSORPTION.SOLAR_APRIORI | 
| HNO2_column_number_density_avk | path | /HONO.COLUMN_ABSORPTION.SOLAR_AVK |