# ESACCI_CLOUD_L3_Daily

## Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of `ESACCI_CLOUD_L3_Daily` data.

field name | type | dimensions | unit | description
--- | --- | --- | --- | ---
latitude | double | {latitude} | [degree_north] | latitude of the ground pixel center
longitude | double | {longitude} | [degree_east] | longitude of the ground pixel center
cloud_optical_depth | double | {latitude, longitude} | [] | cloud optical depth
cloud_optical_depth_uncertainty | double | {latitude, longitude} | [] | uncertainty of the cloud optical depth
cloud_top_height | double | {latitude, longitude} | [m] | cloud top height
cloud_top_height_uncertainty | double | {latitude, longitude} | [m] | uncertainty of the cloud top height
cloud_top_pressure | double | {latitude, longitude} | [hPa] | cloud top pressure
cloud_top_pressure_uncertainty | double | {latitude, longitude} | [hPa] | uncertainty of the cloud top pressure
cloud_top_temperature | double | {latitude, longitude} | [K] | cloud top temperature
cloud_top_temperature_uncertainty | double | {latitude, longitude} | [K] | uncertainty of the cloud top temperature
validity | int16 | {latitude, longitude} |  | validity of the measurement
relative_azimuth_angle | double | {latitude, longitude} | [degree] | relative azimuth angle
sensor_zenith_angle | double | {latitude, longitude} | [degree] | viewing zenith angle
solar_zenith_angle | double | {latitude, longitude} | [degree] | solar zenith angle
surface_temperature | double | {latitude, longitude} | [K] | surface_temperature
surface_temperature_uncertainty | double | {latitude, longitude} | [K] | surface_temperature_uncertainty
datetime | double | {time} | [seconds since 2000-01-01] | datetime
datetime_start | double | {time} | [seconds since 2000-01-01] | time coverage start
datetime_stop | double | {time} | [seconds since 2000-01-01] | time coverage end
index | int32 | {time} |  | zero-based index of the sample within the source product

## Ingestion options

The table below lists the available ingestion options for `ESACCI_CLOUD_L3U` products.

option name | legal values | description
--- | --- | ---
orbit | ascending, descending | the orbit of the L3 product to ingest; option values are ‘ascending’ (default), ‘descending’
corrected | false | ingest the corrected data (default) or uncorrected data (corrected=false)

## Mapping description

The table below details where and how each variable was retrieved from the input product.

field name | mapping description
--- | ---
latitude | path | /lat[]
longitude | path | /lon[]
cloud_optical_depth | condition | orbit=ascending, corrected unset
path | /cot_corrected_asc[,,]
condition | orbit=ascending, corrected=false
path | /cot_asc[,,]
condition | orbit=descending, corrected unset
path | /cot_corrected_desc[,,]
condition | orbit=descending, corrected=false
path | /cot_desc[,,]
cloud_optical_depth_uncertainty | condition | orbit=ascending, corrected unset
path | /cot_corrected_asc_unc[,,]
condition | orbit=ascending, corrected=false
path | /cot_asc_unc[,,]
condition | orbit=descending, corrected unset
path | /cot_corrected_desc_unc[,,]
condition | orbit=descending, corrected=false
path | /cot_desc_unc[,,]
cloud_top_height | condition | orbit=ascending, corrected unset
path | /cth_corrected_asc[,,]
condition | orbit=ascending, corrected=false
path | /cth_asc[,,]
condition | orbit=descending, corrected unset
path | /cth_corrected_desc[,,]
condition | orbit=descending, corrected=false
path | /cth_desc[,,]
cloud_top_height_uncertainty | condition | orbit=ascending, corrected unset
path | /cth_corrected_asc_unc[,,]
condition | orbit=ascending, corrected=false
path | /cth_asc_unc[,,]
condition | orbit=descending, corrected unset
path | /cth_corrected_desc_unc[,,]
condition | orbit=descending, corrected=false
path | /cth_desc_unc[,,]
cloud_top_pressure | condition | orbit=ascending, corrected unset
path | /ctp_corrected_asc[,,]
condition | orbit=ascending, corrected=false
path | /cth_asc_unc[,,]
condition | orbit=descending, corrected unset
path | /cth_corrected_desc_unc[,,]
condition | orbit=descending, corrected=false
path | /ctp_desc[,,]
cloud_top_pressure_uncertainty | condition | orbit=ascending, corrected unset
path | /ctp_corrected_asc_unc[,,]
condition | orbit=ascending, corrected=false
path | /ctp_asc_unc[,,]
condition | orbit=descending, corrected unset
path | /ctp_corrected_desc_unc[,,]
condition | orbit=descending, corrected=false
path | /ctp_desc_unc[,,]
cloud_top_temperature | condition | orbit=ascending, corrected unset
path | /ctt_corrected_asc[,,]
condition | orbit=ascending, corrected=false
path | /ctt_asc[,,]
condition | orbit=descending, corrected unset
path | /ctt_corrected_desc[,,]
condition | orbit=descending, corrected=false
path | /ctt_desc[,,]
cloud_top_temperature_uncertainty | condition | orbit=ascending, corrected unset
path | /ctt_corrected_asc_unc[,,]
condition | orbit=ascending, corrected=false
path | /ctt_asc_unc[,,]
condition | orbit=descending, corrected unset
path | /ctt_corrected_desc_unc[,,]
condition | orbit=descending, corrected=false
path | /ctt_desc_unc[,,]
validity | available | optional
condition | orbit=ascending
path | /qcflag_asc[,,]
condition | orbit=descending
path | /qcflag_desc[,,]
relative_azimuth_angle | condition | orbit=ascending
path | /relazi_asc[,,]
condition | orbit=descending
path | /relazi_desc[,,]
sensor_zenith_angle | condition | orbit=ascending
path | /satzen_asc[,,]
condition | orbit=descending
path | /satzen_desc[,,]
solar_zenith_angle | condition | orbit=ascending
path | /solzen_asc[,,]
condition | orbit=descending
path | /solzen_desc[,,]
surface_temperature | available | optional
condition | orbit=ascending
path | /stemp_asc[,,]
condition | orbit=descending
path | /stemp_desc[,,]
surface_temperature_uncertainty | available | optional
condition | orbit=ascending
path | /stemp_asc_unc[,,]
condition | orbit=descending
path | /stemp_desc_unc[,,]
datetime | path | /time
description | datetime converted from days since 1970-01-01 to seconds since 2000-01-01
datetime_start | path | /@time_coverage_start
description | datetime converted from a start date to seconds since 2000-01-01
datetime_stop | path | /@time_coverage_end
description | datetime converted from an end date to seconds since 2000-01-01