ACE_FTS_L2_main

Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of ACE_FTS_L2_main data.

field name

type

dimensions

unit

description

datetime

double

{time}

[seconds since 2000-01-01]

date and time of occultation 30 km geometric tangent point

datetime_start

double

{time}

[seconds since 2000-01-01]

date and time of start of measurement

datetime_stop

double

{time}

[seconds since 2000-01-01]

date and time of end of measurement

orbit_index

int32

absolute orbit number

latitude

double

{vertical}

[degree_north]

latitude of 30 km geometric tangent point for occultation

longitude

double

{vertical}

[degree_east]

longitude of 30 km geometric tangent point for occultation

altitude

double

{vertical}

[km]

tangent altitude grid for retrieved parameters and species

temperature

double

{vertical}

[K]

temperature

pressure

double

{vertical}

[hPa]

pressure

number_density

double

{vertical}

[cm^-3]

atmospheric density

H2O_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for H2O

H2O_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for H2O. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

O3_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for O3

O3_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for O3. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

N2O_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for N2O

N2O_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for N2O. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CO_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CO

CO_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CO. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CH4_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CH4

CH4_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CH4. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

NO_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for NO

NO_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for NO. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

NO2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for NO2

NO2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for NO2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HNO3_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HNO3

HNO3_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HNO3. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HF_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HF

HF_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HF. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HCl_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HCl

HCl_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HCl. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

OCS_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for OCS

OCS_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for OCS. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

N2O5_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for N2O5

N2O5_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for N2O5. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

ClONO2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for ClONO2

ClONO2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for ClONO2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HCN_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HCN

HCN_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HCN. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CH3Cl_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CH3Cl

CH3Cl_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CH3Cl. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CF4_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CF4

CF4_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CF4. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CCl2F2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CCl2F2

CCl2F2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CCl2F2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CCl3F_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CCl3F

CCl3F_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CCl3F. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

COF2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for COF2

COF2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for COF2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

C2H6_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for C2H6

C2H6_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for C2H6. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

C2H2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for C2H2

C2H2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for C2H2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

CHF2Cl_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for CHF2Cl

CHF2Cl_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for CHF2Cl. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

SF6_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for SF6

SF6_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for SF6. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

ClO_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for ClO

ClO_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for ClO. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HO2NO2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HO2NO2

HO2NO2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HO2NO2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

H2O2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for H2O2

H2O2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for H2O2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

HOCl_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for HOCl

HOCl_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for HOCl. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

N2_volume_mixing_ratio

double

{vertical}

[ppmv]

volume mixing ratio for N2

N2_volume_mixing_ratio_uncertainty

double

{vertical}

[ppmv]

volume mixing ratio uncertainty for N2. If this value is -888 the vmr was not retrieved but obtained by scaling the a priori value

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

/date

description

date field from header section converted to seconds since 2000-01-01

datetime_start

path

/start_time

description

start_time field from header section converted to seconds since 2000-01-01

datetime_stop

path

/end_time

description

end_time field from header section converted to seconds since 2000-01-01

orbit_index

description

extracted from the filename (assuming ssXXXXX… or srXXXXX… format); set to 0 if extraction of the value was not possible

latitude

path

/latitude

description

latitude field from header section

longitude

path

/longitude

description

longitude field from header section

altitude

path

/data section/z

temperature

path

/data section/T

pressure

path

/data section/P (atm)

number_density

path

/data section/dens

H2O_volume_mixing_ratio

path

/data section/H2O

H2O_volume_mixing_ratio_uncertainty

path

/data section/H2O_err

O3_volume_mixing_ratio

path

/data section/O3

O3_volume_mixing_ratio_uncertainty

path

/data section/O3_err

N2O_volume_mixing_ratio

path

/data section/N2O

N2O_volume_mixing_ratio_uncertainty

path

/data section/N2O_err

CO_volume_mixing_ratio

path

/data section/CO

CO_volume_mixing_ratio_uncertainty

path

/data section/CO_err

CH4_volume_mixing_ratio

path

/data section/CH4

CH4_volume_mixing_ratio_uncertainty

path

/data section/CH4_err

NO_volume_mixing_ratio

path

/data section/NO

NO_volume_mixing_ratio_uncertainty

path

/data section/NO_err

NO2_volume_mixing_ratio

path

/data section/NO2

NO2_volume_mixing_ratio_uncertainty

path

/data section/NO2_err

HNO3_volume_mixing_ratio

path

/data section/HNO3

HNO3_volume_mixing_ratio_uncertainty

path

/data section/HNO3_err

HF_volume_mixing_ratio

path

/data section/HF

HF_volume_mixing_ratio_uncertainty

path

/data section/HF_err

HCl_volume_mixing_ratio

path

/data section/HCl

HCl_volume_mixing_ratio_uncertainty

path

/data section/HCl_err

OCS_volume_mixing_ratio

path

/data section/OCS

OCS_volume_mixing_ratio_uncertainty

path

/data section/OCS_err

N2O5_volume_mixing_ratio

path

/data section/N2O5

N2O5_volume_mixing_ratio_uncertainty

path

/data section/N2O5_err

ClONO2_volume_mixing_ratio

path

/data section/ClONO2

ClONO2_volume_mixing_ratio_uncertainty

path

/data section/ClONO2_err

HCN_volume_mixing_ratio

path

/data section/HCN

HCN_volume_mixing_ratio_uncertainty

path

/data section/HCN_err

CH3Cl_volume_mixing_ratio

path

/data section/CH3Cl

CH3Cl_volume_mixing_ratio_uncertainty

path

/data section/CH3Cl_err

CF4_volume_mixing_ratio

path

/data section/CF4

CF4_volume_mixing_ratio_uncertainty

path

/data section/CF4_err

CCl2F2_volume_mixing_ratio

path

/data section/CCl2F2

CCl2F2_volume_mixing_ratio_uncertainty

path

/data section/CCl2F2_err

CCl3F_volume_mixing_ratio

path

/data section/CCl3F

CCl3F_volume_mixing_ratio_uncertainty

path

/data section/CCl3F_err

COF2_volume_mixing_ratio

path

/data section/COF2

COF2_volume_mixing_ratio_uncertainty

path

/data section/COF2_err

C2H6_volume_mixing_ratio

path

/data section/C2H6

C2H6_volume_mixing_ratio_uncertainty

path

/data section/C2H6_err

C2H2_volume_mixing_ratio

path

/data section/C2H2

C2H2_volume_mixing_ratio_uncertainty

path

/data section/C2H2_err

CHF2Cl_volume_mixing_ratio

path

/data section/CHF2Cl

CHF2Cl_volume_mixing_ratio_uncertainty

path

/data section/CHF2Cl_err

SF6_volume_mixing_ratio

path

/data section/SF6

SF6_volume_mixing_ratio_uncertainty

path

/data section/SF6_err

ClO_volume_mixing_ratio

path

/data section/ClO

ClO_volume_mixing_ratio_uncertainty

path

/data section/ClO_err

HO2NO2_volume_mixing_ratio

path

/data section/HO2NO2

HO2NO2_volume_mixing_ratio_uncertainty

path

/data section/HO2NO2_err

H2O2_volume_mixing_ratio

path

/data section/H2O2

H2O2_volume_mixing_ratio_uncertainty

path

/data section/H2O2_err

HOCl_volume_mixing_ratio

path

/data section/HOCl

HOCl_volume_mixing_ratio_uncertainty

path

/data section/HOCl_err

N2_volume_mixing_ratio

path

/data section/N2

N2_volume_mixing_ratio_uncertainty

path

/data section/N2_err