ESACCI_OZONE_L2_TC
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of ESACCI_OZONE_L2_TC
data.
field name | type | dimensions | unit | description |
---|---|---|---|---|
index | int32 | {time} | zero-based index of the sample within the source product | |
scanline_pixel_index | int32 | {time} | zero-based index of the instantaneous field of view within the swath | |
datetime | double | {time} | days since 2000-01-01 | time of the measurement |
longitude | double | {time} | degree_east | longitude of the ground pixel center |
latitude | double | {time} | degree_north | latitude of the ground pixel center |
longitude_bounds | double | {time, 4} | degree_east | longitudes of the ground pixel corners |
latitude_bounds | double | {time, 4} | degree_north | latitudes of the ground pixel corners |
solar_zenith_angle | double | {time} | degree | zenith angle of the Sun at the ground pixel center |
viewing_zenith_angle | double | {time} | degree | zenith angle of the instrument at the ground pixel center (< 0 for Eastern, > 0 for Western pixels) |
relative_azimuth_angle | double | {time} | degree | relative azimuth angle at the ground pixel center |
O3_column_number_density | double | {time} | DU | O3 total column number density |
O3_column_number_density_stdev_random | double | {time} | DU | random uncertainty of the O3 total column number density |
temperature | double | {time} | K | retrieved effective temperature |
cloud_fraction | double | {time} | 1 | effective cloud fraction |
cloud_top_pressure | double | {time} | Pa | cloud top pressure |
cloud_top_albedo | double | {time} | 1 | effective cloud top albedo |
pressure | double | {time} | Pa | pressure at the effective scene used for the retrieval |
albedo | double | {time} | 1 | retrieved effective albedo of the scene |
surface_albedo | double | {time} | 1 | minimum surface albedo at 335nm from OMI LER climatology |
surface_altitude | double | {time} | m | surface altitude extracted from GTOPO30 |
pressure_bounds | double | {time, vertical, 2} | Pa | pressure at the boundaries of the layers used in the forward model |
O3_column_number_density_avk | double | {time, vertical} | 1 | averaging kernels in the layers of the forward model |
O3_column_number_density_apriori | double | {time, vertical} | DU | a-priori partial ozone columns in the layers of the forward model |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name | mapping description | |
---|---|---|
scanline_pixel_index | path | /pixel_number[] |
datetime | path | /time[] |
description | datetime converted from days since 1995-01-01 UTC to days since 2000-01-01 TAI | |
longitude | path | /longitude[] |
latitude | path | /latitude[] |
longitude_bounds | path | /longitude_corner[] |
latitude_bounds | path | /latitude_corner[] |
solar_zenith_angle | path | /solar_zenith_angle[] |
viewing_zenith_angle | path | /viewing_zenith_angle[] |
relative_azimuth_angle | path | /relative_azimuth_angle[] |
O3_column_number_density | path | /atmosphere_mole_content_of_ozone[] |
O3_column_number_density_stdev_random | path | /atmosphere_mole_content_of_ozone_random_error[] |
temperature | path | /effective_temperature[] |
cloud_fraction | path | /cloud_area_fraction[] |
cloud_top_pressure | path | /air_pressure_at_cloud_top[] |
cloud_top_albedo | path | /cloud_albedo[] |
pressure | path | /effective_scene_air_pressure[] |
albedo | path | /effective_scene_albedo[] |
surface_albedo | path | /surface_albedo[] |
surface_altitude | path | /surface_altitude[] |
pressure_bounds | path | /atmosphere_pressure_grid |
description | converted from pressure levels given at the boundaries between adjacent layers to a pair ofpressures per layer (each pair consists of the pressure at the lower and at the upper boundary of a layer) | |
O3_column_number_density_avk | path | /averaging_kernels[] |
O3_column_number_density_apriori | path | /apriori_ozone_profile[] |