# ECA_MSI_COP_2A

## Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of `ECA_MSI_COP_2A` data.

field name | type | dimensions | unit | description
--- | --- | --- | --- | ---
datetime | double | {time} | [seconds since 2000-01-01] | UTC time
latitude | double | {time} | [degree_north] | Geodetic latitude
longitude | double | {time} | [degree_east] | Geodetic longitude
latitude_bounds | double | {time, 4} | [degree_north] | latitudes of the ground pixel corners (WGS84)
longitude_bounds | double | {time, 4} | [degree_east] | longitudes of the ground pixel corners (WGS84)
orbit_index | int32 |  |  | absolute orbit number
cloud_particle_effective_radius | float | {time} | [m] | cloud effective radius
cloud_particle_effective_radius_uncertainty | float | {time} | [m] | cloud effective radius error
cloud_optical_depth | float | {time} | [] | cloud optical thickness
cloud_optical_depth_uncertainty | float | {time} | [] | cloud optical thickness error
cloud_top_height | float | {time} | [m] | cloud top height
cloud_top_height_uncertainty | float | {time} | [m] | cloud top height error
cloud_top_pressure | float | {time} | [Pa] | cloud top pressure
cloud_top_pressure_uncertainty | float | {time} | [Pa] | cloud top pressure error
cloud_top_temperature | float | {time} | [K] | cloud top temperature
cloud_top_temperature_uncertainty | float | {time} | [K] | cloud top temperature error
liquid_water_column_density | float | {time} | [kg/m2] | cloud water path
liquid_water_column_density_uncertainty | float | {time} | [kg/m2] | cloud water path error
validity | int8 | {time} |  | quality status
index | int32 | {time} |  | zero-based index of the sample within the source product

## Mapping description

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

field name | mapping description
--- | ---
datetime | path | /ScienceData/time
description | time is replicated in the across track dimension
latitude | path | /ScienceData/latitude
longitude | path | /ScienceData/longitude
latitude_bounds | description | interpolated from the center coordinates for each of the ground pixels
longitude_bounds | description | interpolated from the center coordinates for each of the ground pixels
orbit_index | path | /HeaderData/VariableProductHeader/MainProductHeader/orbitNumber
cloud_particle_effective_radius | path | /ScienceData/cloud_effective_radius
cloud_particle_effective_radius_uncertainty | path | /ScienceData/cloud_effective_radius_error
cloud_optical_depth | path | /ScienceData/cloud_optical_thickness
cloud_optical_depth_uncertainty | path | /ScienceData/cloud_optical_thickness_error
cloud_top_height | path | /ScienceData/cloud_top_height, /ScienceData/geoid_offset
description | cloud_top_height - geoid_offset
cloud_top_height_uncertainty | path | /ScienceData/cloud_top_height_error
cloud_top_pressure | path | /ScienceData/cloud_top_pressure
cloud_top_pressure_uncertainty | path | /ScienceData/cloud_top_pressure_error
cloud_top_temperature | path | /ScienceData/cloud_top_temperature
cloud_top_temperature_uncertainty | path | /ScienceData/cloud_top_temperature_error
liquid_water_column_density | path | /ScienceData/cloud_water_path
liquid_water_column_density_uncertainty | path | /ScienceData/cloud_water_path_error
validity | path | /ScienceData/quality_status