ECA_ATL_ICE_2A
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ECA_ATL_ICE_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 | 
| orbit_index | int32 | absolute orbit number | ||
| altitude | float | {time, vertical} | [m] | joint standard grid height | 
| surface_altitude | float | {time} | [m] | surface altitude | 
| viewing_elevation_angle | float | {time} | [degree] | viewing elevation angle | 
| tropopause_height | float | {time} | [m] | tropopause height | 
| ice_water_density | float | {time, vertical} | [kg/m3] | ice water content | 
| ice_water_density_uncertainty | float | {time, vertical} | [kg/m3] | ice water content error | 
| ice_particle_effective_radius | float | {time, vertical} | [m] | ice effective radius | 
| ice_particle_effective_radius_uncertainty | float | {time, vertical} | [m] | ice effective radius error | 
| validity | int8 | {time, vertical} | 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 | 
| latitude | path | /ScienceData/latitude | 
| longitude | path | /ScienceData/longitude | 
| orbit_index | path | /HeaderData/VariableProductHeader/MainProductHeader/orbitNumber | 
| altitude | path | /ScienceData/height, /ScienceData/geoid_offset | 
| description | the vertical grid is inverted to make it ascending; altitude[i,j] = height[i,j] - geoid_offset[i] | |
| surface_altitude | path | /ScienceData/elevation, /ScienceData/geoid_offset | 
| description | altitude = elevation - geoid_offset | |
| viewing_elevation_angle | path | /ScienceData/viewing_elevation_angle | 
| tropopause_height | path | /ScienceData/tropopause_height | 
| ice_water_density | path | /ScienceData/ice_water_content | 
| description | the vertical grid is inverted to make it ascending | |
| ice_water_density_uncertainty | path | /ScienceData/ice_water_content_error | 
| description | the vertical grid is inverted to make it ascending | |
| ice_particle_effective_radius | path | /ScienceData/ice_effective_radius | 
| description | the vertical grid is inverted to make it ascending | |
| ice_particle_effective_radius_uncertainty | path | /ScienceData/ice_effective_radius_error | 
| description | the vertical grid is inverted to make it ascending | |
| validity | path | /ScienceData/quality_status | 
| description | the vertical grid is inverted to make it ascending | |