OMI_L3_OMTO3d

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of OMI_L3_OMTO3d data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

time of the measurement

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)

O3_column_number_density

double

{time, latitude, longitude}

[DU]

O3 column number density

cloud_fraction

double

{time, latitude, longitude}

[]

cloud fraction

uv_aerosol_index

double

{time, latitude, longitude}

[]

UV aerosol index

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

/HDFEOS/ADDITIONAL/FILE_ATTRIBUTES@TAI93At0zOfGranule

description

the time of the measurement converted from TAI93 to seconds since 2000-01-01T00:00:00

longitude

path

/HDFEOS/GRIDS/OMI_Column_Amount_O3@GridSpacing, /HDFEOS/GRIDS/OMI_Column_Amount_O3@NumberOfLongitudesInGrid

description

a uniformly increasing sequence on the interval (-180, 180)

latitude

path

/HDFEOS/GRIDS/OMI_Column_Amount_O3@GridSpacing, /HDFEOS/GRIDS/OMI_Column_Amount_O3@NumberOfLatitudesInGrid

description

a uniformly increasing sequence on the interval (-90, 90)

O3_column_number_density

path

/HDFEOS/GRIDS/OMI_Column_Amount_O3/Data_Fields/ColumnAmountO3[]

cloud_fraction

path

/HDFEOS/GRIDS/OMI_Column_Amount_O3/Data_Fields/RadiativeCloudFraction[]

uv_aerosol_index

path

/HDFEOS/GRIDS/OMI_Column_Amount_O3/Data_Fields/UVAerosolIndex[]