OMI_L3_OMSO2e
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of OMI_L3_OMSO2e data.
field name  | 
type  | 
dimensions  | 
unit  | 
description  | 
|---|---|---|---|---|
datetime_start  | 
double  | 
{time}  | 
[seconds since 2000-01-01]  | 
start time of the grid  | 
datetime_length  | 
double  | 
{time}  | 
[days]  | 
length of the grid  | 
longitude  | 
double  | 
{longitude}  | 
[degree_east]  | 
longitude of the grid cell mid-point (WGS84)  | 
latitude  | 
double  | 
{latitude}  | 
[degree_north]  | 
latitude of the grid cell mid-point (WGS84)  | 
radiative_cloud_fraction  | 
double  | 
{time, latitude, longitude}  | 
[]  | 
Cloud fraction  | 
SO2_column_number_density  | 
double  | 
{time, latitude, longitude}  | 
[]  | 
SO2 column number density  | 
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_start  | 
path  | 
/HDFEOS/ADDITIONAL/FILE_ATTRIBUTES@TAI93At0zOfGranule  | 
description  | 
the time of the measurement converted from TAI93 to seconds since 2000-01-01T00:00:00  | 
|
datetime_length  | 
description  | 
set to fixed value of 1  | 
longitude  | 
path  | 
/HDFEOS/GRIDS/TotalColumnAmountSO2@GridSpacing, /HDFEOS/GRIDS/TotalColumnAmountSO2@NumberOfLongitudesInGrid  | 
description  | 
a uniformly increasing sequence on the interval (-180, 180)  | 
|
latitude  | 
path  | 
/HDFEOS/GRIDS/TotalColumnAmountSO2@GridSpacing, /HDFEOS/GRIDS/TotalColumnAmountSO2@NumberOfLatitudesInGrid  | 
description  | 
a uniformly increasing sequence on the interval (-90, 90)  | 
|
radiative_cloud_fraction  | 
path  | 
/HDFEOS/GRIDS/TotalColumnAmountSO2/Data_Fields/CloudRadianceFraction[]  | 
SO2_column_number_density  | 
path  | 
/HDFEOS/GRIDS/TotalColumnAmountSO2/Data_Fields/ColumnAmountSO2[]  |