ECA_AM__CTH_2B
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_AM__CTH_2B 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_fraction | float | {time} | [] | cloud fraction | 
| cloud_top_height | float | {time} | [m] | cloud top height | 
| validity | int8 | {time} | quality status | |
| index | int32 | {time} | zero-based index of the sample within the source product | 
Ingestion options
The table below lists the available ingestion options for ECA_AM__CTH_2B products.
| option name | legal values | description | 
|---|---|---|
| source | atlid | whether to ingest the cloud top height from MSI (default) or ATLID (data=atlid) | 
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_fraction | path | /ScienceData/cloud_fraction | 
| cloud_top_height | condition | source unset | 
| path | /ScienceData/cloud_top_height_MSI, /ScienceData/geoid_offset | |
| description | cloud_top_height_MSI - geoid_offset | |
| condition | source=atlid | |
| path | /ScienceData/cloud_top_height_MSI, /ScienceData/cloud_top_height_difference_ATLID_MSI, /ScienceData/geoid_offset | |
| description | cloud_top_height_MSI + cloud_top_height_difference_ATLID_MSI - geoid_offset | |
| validity | path | /ScienceData/quality_status |