ECMWF_GRIB

Variables

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

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

time of the model state

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)

wavelength

double

{spectral}

[nm]

wavelengths of the aerosol properties

RWC_mass_mixing_ratio

float

{latitude, longitude, vertical}

[kg/kg]

specific rain water content

SWC_mass_mixing_ratio

float

{latitude, longitude, vertical}

[kg/kg]

specific snow water content

LWC_column_density

float

{latitude, longitude}

[kg/m^2]

total column cloud liquid water

IWC_column_density

float

{latitude, longitude}

[kg/m^2]

total column cloud ice water

surface_geopotential

float

{latitude, longitude}

[m2/s2]

geopotential at the surface

temperature

float

{latitude, longitude, vertical}

[K]

temperature

H2O_mass_mixing_ratio

float

{latitude, longitude, vertical}

[kg/kg]

specific humidity

H2O_column_density

float

{latitude, longitude}

[kg/m^2]

total column water vapour

relative_vorticity

float

{latitude, longitude, vertical}

[1/s]

relative vorticity

surface_pressure

float

{latitude, longitude}

[Pa]

pressure at the surface

pressure

float

{latitude, longitude, vertical}

[Pa]

pressure

pressure_bounds

float

{latitude, longitude, vertical, 2}

[Pa]

pressure_bounds

planetary_boundary_layer_height

float

{latitude, longitude}

[m]

planetary boundary layer height

cloud_fraction

float

{latitude, longitude}

[]

cloud fraction

surface_zonal_wind_velocity

float

{latitude, longitude}

[m/s]

10 meter U wind component

surface_meridional_wind_velocity

float

{latitude, longitude}

[m/s]

10 meter V wind component

surface_temperature

float

{latitude, longitude}

[K]

2 metre temperature

land_flag

float

{latitude, longitude}

land-sea mask

LWC_mass_mixing_ratio

float

{latitude, longitude, vertical}

[kg/kg]

specific cloud liquid water content

IWC_mass_mixing_ratio

float

{latitude, longitude, vertical}

[kg/kg]

specific cloud ice water content

CO2_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

carbon dioxide mass mixing ratio

CH4_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

methane mass mixing ratio

surface_PM1_density

float

{latitude, longitude}

[kg/m3]

surface density of particulate matter with d < 1 um

surface_PM2p5_density

float

{latitude, longitude}

[kg/m3]

surface density of particulate matter with d < 2.5 um

surface_PM10_density

float

{latitude, longitude}

[kg/m3]

surface density of particulate matter with d < 10 um

NO2_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

nitrogen dioxide mass mixing ratio

SO2_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

sulphur dioxide mass mixing ratio

CO_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

carbon monoxide mass mixing ratio

HCHO_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

formaldehyde mass mixing ratio

NO2_column_density

float

{latitude, longitude}

[kg/m^2]

total column nitrogen dioxide

SO2_column_density

float

{latitude, longitude}

[kg/m^2]

total column sulphur dioxide

CO_column_density

float

{latitude, longitude}

[kg/m^2]

total column carbon monoxide

HCHO_column_density

float

{latitude, longitude}

[kg/m^2]

total column formaldehyde

O3_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

ozone mass mixing ratio

O3_column_density

float

{latitude, longitude}

[kg/m^2]

total column ozone

aerosol_optical_depth

float

{latitude, longitude, spectral}

[]

total aerosol optical depth

sea_salt_aerosol_optical_depth

float

{latitude, longitude}

[]

sea salt aerosol optical depth (at 550nm)

dust_aerosol_optical_depth

float

{latitude, longitude}

[]

dust aerosol optical depth (at 550nm)

organic_matter_aerosol_optical_depth

float

{latitude, longitude}

[]

organic matter aerosol optical depth (at 550nm)

black_carbon_aerosol_optical_depth

float

{latitude, longitude}

[]

black carbon aerosol optical depth (at 550nm)

sulphate_aerosol_optical_depth

float

{latitude, longitude}

[]

sulphate aerosol optical depth (at 550nm)

fine_aerosol_optical_depth

float

{latitude, longitude}

[]

fine mode aerosol optical depth (at 550nm)

aerosol_extinction_coefficient

float

{latitude, longitude, vertical}

[1/m]

aerosol extinction coefficient (at 1064nm)

aerosol_backscatter_coefficient

float

{latitude, longitude, vertical}

[1/(m sr)]

aerosol backscatter coefficient (at 1064nm from ground)

HNO3_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

nitric acid mass mixing ratio

C2H3NO5_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

peroxyacetyl nitrate (PAN) mass mixing ratio

C5H8_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

isoprene mass mixing ratio

NO_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

nitrogen monoxide mass mixing ratio

OH_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

hydroxyl radical mass mixing ratio

C2H6_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

ethane mass mixing ratio

C3H8_mass_mixing_ratio_dry_air

float

{latitude, longitude, vertical}

[kg/kg]

propane mass mixing ratio

CH4_column_density

float

{latitude, longitude}

[kg/m^2]

total column methane

HNO3_column_density

float

{latitude, longitude}

[kg/m^2]

total column nitric acid

C2H3NO5_column_density

float

{latitude, longitude}

[kg/m^2]

total column peroxyacetyl nitrate

C5H8_column_density

float

{latitude, longitude}

[kg/m^2]

total column isoprene

NO_column_density

float

{latitude, longitude}

[kg/m^2]

total column nitrogen oxide

OH_column_density

float

{latitude, longitude}

[kg/m^2]

total column hydroxyl radical

C2H6_column_density

float

{latitude, longitude}

[kg/m^2]

total column ethane

C3H8_column_density

float

{latitude, longitude}

[kg/m^2]

total column propane

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

condition

GRIB1

path

/[]/grib1/yearOfCentury, /[]/grib1/month, /[]/grib1/day, /[]/grib1/hour, /[]/grib1/minute, /[]/grib1/centuryOfReferenceTimeOfData

description

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

condition

GRIB2

path

/[]/grib2/year, /[]/grib2/month, /[]/grib2/day, /[]/grib2/hour, /[]/grib2/minute, /[]/grib2/second

description

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

longitude

condition

GRIB1

path

/[]/grib1/grid/Ni, /[]/grib1/grid/longitudeOfFirstGridPoint, /[]/grib1/grid/longitudeOfLastGridPoint

description

based on linear interpolation using Ni points from first to last grid point

condition

GRIB2

path

/[]/grib2/grid[]/Ni, /[]/grib2/grid[]/longitudeOfFirstGridPoint, /[]/grib2/grid[]/longitudeOfLastGridPoint

description

based on linear interpolation using Ni points from first to last grid point

latitude

condition

GRIB1

path

/[]/grib1/grid/Nj, /[]/grib1/grid/latitudeOfFirstGridPoint, /[]/grib1/grid/latitudeOfLastGridPoint

description

based on linear interpolation using Nj points from first to last grid point

condition

GRIB2

path

/[]/grib2/grid[]/Nj, /[]/grib2/grid[]/latitudeOfFirstGridPoint, /[]/grib2/grid[]/latitudeOfLastGridPoint

description

based on linear interpolation using Nj points from first to last grid point

wavelength

available

optional

condition

one or more AOD quantities are present

description

the values are based on the available AODs; possible values are: 469, 550, 670, 865, 1240

RWC_mass_mixing_ratio

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,75)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,1,85)

SWC_mass_mixing_ratio

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,76)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,1,86)

LWC_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,78)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,128,78)

IWC_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,79)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,128,79)

surface_geopotential

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,129), (160,129), (170,129), (180,129), or (190,129)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,3,4)

temperature

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,130), (160,130), (170,130), (180,130), or (190,130)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,0,0)

H2O_mass_mixing_ratio

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,133), (160,133), (170,133), (180,133), or (190,133)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,1,0)

H2O_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,137) or (180,137)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,128,137)

relative_vorticity

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (160,138), (128,138), (170,138), (180, 138) or (190,138)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,2,12)

surface_pressure

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,152) or (190,152); returned value = exp(lnsp)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,3,25); returned value = exp(lnsp)

pressure

available

optional

condition

surface_pressure is available and at least one parameter has vertical coordinate values

path

…./coordinateValues[]

description

the coordinateValues contain [a(1), …, a(N+1), b(1), …, b(N+1)] coefficients for the N+1 vertical layer boundaries; p(N-i) = (a(i) + a(i+1) + (b(i) + b(i+1))exp(lnsp))/2

pressure_bounds

available

optional

condition

surface_pressure is available and at least one parameter has vertical coordinate values

path

…./coordinateValues[]

description

the coordinateValues contain [a(1), …, a(N+1), b(1), …, b(N+1)] coefficients for the N+1 vertical layer boundaries; p(N-i,1) = a(i) + b(i)exp(lnsp); p(N-i,2) = a(i+1) + b(i+1)exp(lnsp)

planetary_boundary_layer_height

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,159)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,128,159)

cloud_fraction

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,164), (160,164), (170,164), (180,164), or (190,164)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,128,164)

surface_zonal_wind_velocity

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,165), (160,165), (180,165), or (190,165)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,2,2)

surface_meridional_wind_velocity

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,166), (160,166), (180,166), or (190,166)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,2,3)

surface_temperature

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,167), (160,167), (180,167), or (190,167)

land_flag

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,172), (160,172), (171,172), (174,172), (175,172), (180,172), or (190,172)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (2,0,0)

LWC_mass_mixing_ratio

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,246)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,1,83)

IWC_mass_mixing_ratio

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (128,247)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (0,1,84)

CO2_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,61)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,61)

CH4_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,62) or (217,4)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,62) or (192,217,4)

surface_PM1_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,72)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,72)

surface_PM2p5_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,73)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,73)

surface_PM10_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,74)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,74)

NO2_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,121)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,121)

SO2_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,122)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,122)

CO_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,123)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,123)

HCHO_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,124)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,124)

NO2_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,125)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,125)

SO2_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,126)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,126)

CO_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,127)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,127)

HCHO_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,128)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,128)

O3_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,203)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,203)

O3_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,206)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,206)

aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

AODs are combined using a spectal axis; (table,indicator) = (210,218) [335nm], (210,221) [440nm], (210,213) [469nm], (210,207) [550nm], (210,214) [670nm], (210,215) [865nm], or (210,216) [1240nm]

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,218) [335nm], (192,210,221) [440nm], (192,210,213) [469nm], (192,210,207) [550nm], (192,210,214) [670nm], (192,210,215) [865nm], or (192,210,216) [1240nm]

sea_salt_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,208)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,208)

dust_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,209)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,209)

organic_matter_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,210)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,210)

black_carbon_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,211)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,211)

sulphate_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (210,212)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,210,212)

fine_aerosol_optical_depth

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (215,122)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,215,122)

aerosol_extinction_coefficient

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (215,182)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,215,182)

aerosol_backscatter_coefficient

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (215,188)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,215,188)

HNO3_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,6)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,6)

C2H3NO5_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,13)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,13)

C5H8_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,16)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,16)

NO_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,27)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,27)

OH_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,30)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,30)

C2H6_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,45)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,45)

C3H8_mass_mixing_ratio_dry_air

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (217,47)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,217,47)

CH4_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,4)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,4)

HNO3_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,6)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,6)

C2H3NO5_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,13)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,13)

C5H8_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,16)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,16)

NO_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,27)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,27)

OH_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,30)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,30)

C2H6_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,45)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,45)

C3H8_column_density

available

optional

condition

GRIB1

path

/[]/data/values[]

description

(table,indicator) = (218,47)

condition

GRIB2

path

/[]/data[]/values[]

description

(discipline,category,number) = (192,218,47)