ESACCI_OZONE_L4_NP
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_OZONE_L4_NP data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| datetime | double | {time} | [seconds since 2000-01-01] | time of the measurement |
| longitude | float | {longitude} | [degree_east] | longitude of the grid cell center |
| latitude | float | {latitude} | [degree_north] | latitude of the grid cell center |
| geopotential_height | float | {time, latitude, longitude, vertical} | [m] | geopotential height |
| temperature | float | {time, latitude, longitude, vertical} | [K] | temperature |
| pressure | float | {time, latitude, longitude, vertical} | [Pa] | air pressure profile |
| pressure_bounds | float | {time, latitude, longitude, vertical, 2} | [Pa] | air pressure boundaries for each profile layer |
| O3_column_number_density | float | {time, latitude, longitude, vertical} | [molec/m^2] | O3 column number density |
| O3_column_number_density_uncertainty | float | {time, latitude, longitude, vertical} | [molec/m^2] | uncertainty of the O3 column number density |
| O3_volume_mixing_ratio | float | {time, latitude, longitude, vertical} | [] | O3 volume mixing ratio |
| O3_volume_mixing_ratio_uncertainty | float | {time, latitude, longitude, vertical} | [] | uncertainty of the O3 volume mixing ratio |
| 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 | /@time_coverage_start, /time[] |
| description | datetime converted from time in hours (time[]) since the start of the product (@time_coverage_start) to seconds since 2000-01-01 | |
| longitude | path | /lon[] |
| latitude | path | /lat[] |
| geopotential_height | path | /Gph[] |
| temperature | path | /Temperature[] |
| pressure | path | /Psurf[], /Hybride_coef_fa[], /Hybride_coef_fb[] |
| description | pressure at the center of layer k is derived from surface air pressure as: Hybride_coef_fa[k] + Hybride_coef_fb[k] * Psurf[] | |
| pressure_bounds | path | /Psurf[], /Hybride_coef_a[], /Hybride_coef_b[] |
| description | pressure at level m is derived from surface air pressure as: Hybride_coef_a[m] + Hybride_coef_b[m] * Psurf[] | |
| O3_column_number_density | path | /O3_dens[] |
| O3_column_number_density_uncertainty | path | /O3s_dens[] |
| O3_volume_mixing_ratio | path | /O3_vmr[] |
| O3_volume_mixing_ratio_uncertainty | path | /O3s_vmr[] |