TES_L2_CH4_Nadir
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of TES_L2_CH4_Nadir data.
| field name | type | dimensions | unit | description |
|---|---|---|---|---|
| index | int32 | {time} | zero-based index of the sample within the source product | |
| datetime | double | {time} | seconds since 2000-01-01 | time of the measurement (in seconds since 2000-01-01 00:00:00) |
| longitude | double | {time} | degree_east | tangent longitude |
| latitude | double | {time} | degree_north | tangent latitude |
| altitude | double | {time, vertical} | m | altitude per profile level |
| pressure | double | {time, vertical} | hPa | pressure per profile level |
| CH4_volume_mixing_ratio | double | {time, vertical} | ppv | CH4 volume mixing ratio |
| CH4_volume_mixing_ratio_stdev | double | {time, vertical} | ppv | CH4 volume mixing ratio precision |
Mapping description
The table below details where and how each variable was retrieved from the input product.
| field name | mapping description | |
|---|---|---|
| datetime | path | /HDFEOS/SWATHS/CH4NadirSwath/Geolocation_Fields/Time[] |
| description | the time converted from TAI93 to seconds since 2000-01-01T00:00:00 | |
| longitude | path | /HDFEOS/SWATHS/CH4NadirSwath/Geolocation_Fields/Longitude[] |
| latitude | path | /HDFEOS/SWATHS/CH4NadirSwath/Geolocation_Fields/Latitude[] |
| altitude | path | /HDFEOS/SWATHS/CH4NadirSwath/Data_Fields/Altitude[] |
| pressure | path | /HDFEOS/SWATHS/CH4NadirSwath/Data_Fields/Pressure[] |
| CH4_volume_mixing_ratio | path | /HDFEOS/SWATHS/CH4NadirSwath/Data_Fields/CH4[] |
| CH4_volume_mixing_ratio_stdev | path | /HDFEOS/SWATHS/CH4NadirSwath/Data_Fields/CH4Precision[] |