Ionospheric Connection Explorer (ICON) Thermosphere Ionosphere Electrodynamics General Circulation Model without Hough Mode Extension (HME) input (TIEGCM-NOHME) Model Product

ICON TIEGCM Model Products

2024-09-25 00:00:00Z

Thermosphere Ionosphere Electrodynamics General Circulation Model (TIEGCM) L4-3 without Hough Mode Extension (HME) forcing. These metadata include both the model input data and model output data.

National Aeronautics and Space Administration; Dr. Astrid Maute; Dr. Thomas J. Immel

Online

Open

NetCDF

Online

Open

NetCDF

PT60M

Total Density

DEN

Total neutral density. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, ilev, and time.

PT60M

g/cm^3

1e+36

Eastward Electric Field

ED12D

E_d1 see Richmond (1995) at 90km (magnetic eastward direction). This is a 3 dimensional array: 81x97x24. The dimensions are based on the size of the arrays (81x97x24): mlon, mlat, and time.

PT60M

V/m

1e+36

Equatorward Electric Field

ED22D

Ed2 see Richmond (1995) at 90km (down-/equatorward direction). This is a 3 dimensional array: 81x97x24. The dimensions are based on the size of the arrays (81x97x24): mlon, mlat, and time.

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V/m

1e+36

Geographic Eastward Electric Field

EEX

Geographic eastward electric field on geographic grid. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

V/cm

1e+36

Geographic Northward Electric Field

EEY

Geographic northward electric field on geographic grid. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

V/cm

1e+36

Geographic Upward Electric Field

EEZ

Geographic northward upward field on geographic grid. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

V/cm

1e+36

Helium

HE

Helium Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

mmr

1e+36

Magnetic Eastward Gravity and Plasma Pressure Gradient Driven Current Density

JE1PG_DYN

Magnetic eastward gravity and plasma pressure gradient driven current density (used in electrodynamo if CALC_JPG=1, used in L4.3). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

A m^-2

Magnetic Down-/Equatorward Gravity and Plasma Pressure Gradient Driven Current Density

JE2PG_DYN

Magnetic down-/equatorward gravity and plasma pressure gradient driven current density (used in electrodynamo if CALC_JPG=1, used in L4.3). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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A m^-2

Kp index

Kp

Kp index.

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mmr

Lower Boundary Condition

LBC

Interface level of t,u,v lower boundary condition.

N2: Molecular Nitrogen

N2

N2: Molecular Nitrogen. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

mmr

1e+36

N(4S)

N4S

N(4S) Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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mmr

1e+36

Electron Density

NE

Electron density. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

cm^-3

1e+36

Nitric Oxide

NO

Nitric Oxide Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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mmr

1e+36

Atomic Oxygen

O1

Atomic oxygen Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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mmr

1e+36

Neutral Molecule Oxygen

O2

Neutral molecule oxygen Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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mmr

1e+36

Molecule Oxygen Ion

O2P

O2+ ion Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

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cm^-3

1e+36

Atomic Oxygen Ion

OP

O+ ion Mass mixing ratio. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): lon, lat, lev, and time.

PT60M

cm^-3

1e+36

Two Dimensinal Electric Potential

PHIM2D

PHIM2D: 2d Electric Potential at 90 km on magnetic grid. This is a 3 dimensional array: 81x97x24. The dimensions are based on the size of the arrays (81x97x24): mlon, mlat, and time.

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V

1e+36

Prescribed High Latitude Potential

PHIMW

Prescribed high latitude potential (for L4.3 Weimer potential). This is a 3 dimensional array: 81x97x24. The dimensions are based on the size of the arrays (81x97x24): mlon, mlat, and time.

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V

1e+36

Electric Potential

POTEN

Electric potential. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

V

1e+36

Aurora Ionization Rate

QAURORA

Aurora ionization rate. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

cm^-3 s^-1

1e+36

Joule Heating

QJOULE

Joule heating. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

erg g^-1 s^-1

1e+36

Height-Integrated Joule Heating'

QJOULE_INTEG

Height-integrated joule heating. This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

erg cm^-2 s^-1

1e+36

Hall Conductivity

SIGMA_HAL

Hall Conductivity. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

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S/m

1e+36

Pedersen Conductivity

SIGMA_PED

Pedersen Conductivity. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

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S/m

1e+36

Electron Temperature

TE

Electron Temperature. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

K

1e+36

Ion Temperature

TI

Ion Temperature. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

K

1e+36

Lower boundary condition of Neutral temperature

TLBC

Lower boundary condition of Neutral temperature. This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

K

1e+36

Lower boundary condition of Neutral temperature (TIME N-1)

TLBC_NM

Lower boundary condition of Neutral temperature (TIME N-1). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

K

1e+36

Neutral Temperature

TN

Neutral Temperature. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, lev, and time.

PT60M

K

1e+36

Zonal ExB Velocity

UI_ExB

UI: Zonal ExB Velocity (geographic eastward). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm/s

1e+36

Lower boundary condition of zonal neutral wind

ULBC

Lower boundary condition of Zonal neutral wind (UN). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Lower boundary condition of zonal neutral wind (TIME N-1)

ULBC_NM

Lower boundary condition of Zonal neutral wind (UN) (TIME N-1). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Neutral Zonal Wind (+EAST)

UN

Neutral zonal wind (+East). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Meridional ExB Velocity

VI_ExB

VI: Meridional (geographic northward) ExB Velocity. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm/s

1e+36

Lower boundary condition of Meridional neutral wind

VLBC

Lower boundary condition of meridional neutral wind (VN). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Lower boundary condition of meridional neutral wind (TIME N-1)

VLBC_NM

Lower boundary condition of meridional neutral wind (VN) (TIME N-1). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Neutral Meridional Wind (+EAST)

VN

Neutral meridional wind (+north). This is a 3 dimensional array: 144x72x24. The dimensions are based on the size of the arrays (144x72x24): long, lat, and time.

PT60M

cm/s

1e+36

Vertical ExB Velocity

WI_ExB

WI: Vertical (geographic Upward) ExB Velocity. This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm/s

1e+36

Neutral Vertical Wind

WN

Upward neutral wind (plus up) (note that the vertical dimension is using ilev). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm/s

1e+36

Geopotential Height

Z

Geopotential height (used in the code with constant gravity). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm

1e+36

Geometric Height ZG

ZG

Geometric height (just postprocessing with variable gravity). This is a 4 dimensional array: 144x72x57x24. The dimensions are based on the size of the arrays (144x72x57x24): long, lat, ilev, and time.

PT60M

cm

1e+36

Geopotential height on magnetic grid

ZMAG

Geopotential height (constant gravity) on magnetic grid. This is a 4 dimensional array: 81x97x63x24. The dimensions are based on the size of the arrays (81x97x63x24): mlon, mlat, imlev, and time.

PT60M

km

1e+36

Lower magnetic auroral activity index

al

Lower magnetic auroral activity index.

PT60M

nT

Characteristic Maxwellian energy of polar cusp electrons

alfac

Characteristic Maxwellian energy of polar cusp electrons.

PT60M

keV

Characteristic Maxwellian energy of drizzle electrons

alfad

Characteristic Maxwellian energy of drizzle electrons.

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keV

AMIE NH data file

amienh_ncfile

AMIE northern hemisphere data file that contains potential,energy flux, mean energy. This is a 2 dimensional array: 1024x24.

PT60M

AMIE SH data file

amiesh_ncfile

AMIE southern hemisphere data file that contains potential,energy flux, mean energy. This is a 2 dimensional array: 1024x24.

PT60M

Background LBC data file

bgrddata_ncfile

background lbc data file (for L4.3 based on HWM07 and MSISE00) that contains T,U,Z. This is a 2 dimensional array: 1024x24.

PT60M

BX component of Interplanetary Magnetic Field

bximf

GSM BX component of IMF.

PT60M

nT

BY component of Interplanetary Magnetic Field

byimf

GSM BY component of IMF.

PT60M

nT

BZ component of Interplanetary Magnetic Field

bzimf

GSM BZ component of IMF.

PT60M

nT

Calendar advance flag

calendar_advance

Calendar advance flag (1 if advancing calendar time), which means the model is advancing with time with realistic Kp and F10.7.

PT60M

Ion/neutral collision factor

colfac

ion/neutral (O-O+) collision factor

PT60M

CISM/CMIT coupling flag

coupled_cmit

1 if coupled with Center for Integrated Space Weather Modeling (CISM)/Coupled Magnetospherer-Ionosphere-Thermosphere (CMIT), 0 otherwise

PT60M

Critical cross-over latitude 1

crit1

critical cross-over latitude 1

PT60M

deg

Critical cross-over latitude 2

crit2

critical cross-over latitude 2

PT60M

deg

CTMT LBC data file

ctmt_ncfile

CTMT LBC data file. This is a 2 dimensional array: 1024x24.

PT60M

Cross-tail potential

ctpoten

Cross-tail potential.

PT60M

kV

Calendar day

day

Calendar day.

PT60M

Amplitude and phase of diurnal tide mode

dtide

Amplitude and phase of diurnal tide mode (1,1). This is a 2 dimensional array: 2x24. The dimensions are based on the size of the arrays (2x24): dtidedim,time.

PT60M

Peak energy flux in noon sector of the aurora

e1

Peak energy flux in noon sector of the aurora.

PT60M

ergs cm^-2 s^-1

Peak energy flux in midnight sector of the aurora

e2

Peak energy flux in midnight sector of the aurora.

PT60M

ergs cm^-2 s^-1

Column energy input of polar cusp electrons

ec

Column energy input of polar cusp electrons.

PT60M

ergs cm^-2 s^-1

Column energy input of drizzle electrons

ed

Column energy input of drizzle electrons.

PT60M

ergs cm^-2 s^-1

81-day average 10.7 cm solar flux

f107a

81-day average 10.7 cm solar flux.

PT60M

1.e-22 W m^-2 Hz^-1

Daily 10.7 cm solar flux

f107d

Daily 10.7 cm solar flux.

PT60M

1.e-22 W m^-2 Hz^-1

Geophysical Indices data file

gpi_ncfile

Geophysical Indices data file, which contains Kp, f107, f107a, ctpoten, and power. If the name list variable GPI_NCFILE uses “ICON_Ancillary_GPI” a 7-73 day averaging in F107a is used otherwise the averaging is centered on the day. This is a 2 dimensional array: 1024x24.

PT60M

Gravitational Acceleration

grav

gravitational acceleration, which is a constant used in the model, independent of height. Also see see global attribute for formula).

PT60M

cm s^-2

Global Scale Wave Model migrating diurnal tides data file

gswm_mi_di_ncfile

Global Scale Wave Model (GSWM) migrating diurnal tides data file. The lower boundary perturbations for TN, UN, VN, and Z. This is a 2 dimensional array: 1024x24.

PT60M

Global Scale Wave Model migrating semi-diurnal tides data file

gswm_mi_sdi_ncfile

Global Scale Wave Model (GSWM) migrating semi-diurnal tides data file. The lower boundary perturbations for TN, UN, VN, and Z. This is a 2 dimensional array: 1024x24.

PT60M

Global Scale Wave Model non-migrating diurnal tides data file

gswm_nm_di_ncfile

Global Scale Wave Model (GSWM) non-migrating diurnal tides data file. The lower boundary perturbations for TN, UN, VN, and Z. This is a 2 dimensional array: 1024x24.

PT60M

Global Scale Wave Model non-migrating semi-diurnal tides data file

gswm_nm_sdi_ncfile

Global Scale Wave Model (GSWM) non-migrating semi-diurnal tides data file. The lower boundary perturbations for TN, UN, VN, and Z. This is a 2 dimensional array: 1024x24.

PT60M

Gaussian half-width of the noon auroral oval

h1

Gaussian half-width of the noon auroral oval.

PT60M

degrees

Gaussian half-width of the midnight auroral oval

h2

Gaussian half-width of the midnight auroral oval.

PT60M

degrees

HME file

hme_ncfile

HME file used for lower boundary perturbation. This is a 2 dimensional array: 1024x24.

PT60M

Hemispheric power

hpower

Hemispheric power.

PT60M

GW

Interface pressure coordinate

ilev

Interface levels. ln(p0/p). Atmosphere ln pressure coordinate. p(k) = p0 * exp(-ilev(k))

Interplanetary Magnetic Field Data file

imf_ncfile

IMF data file. GSM Bx, GSM By, GSM Bz, Swvel, Swden, Kp, f107, and f107a. This is a 2 dimensional array: 1024x24.

PT60M

Magnetic Interface Pressure Coordinate

imlev

Magnetic interface levels. ln(p0/p). Atmosphere ln pressure coordinate. p(k) = p0 * exp(-imlev(k))

Number of Time Steps from Model Time

iter

number of time steps from model time 0,0,0.

PT60M

Joule Heating Factor

joulefac

Joule heating factor.

PT60M

Geographic Latitude

lat

Geographic latitude (-south, +north).

PT60M

degrees

Midpoint Pressure Coordinate

lev

Midpoint levels. ln(p0/p). Atmosphere ln pressure coordinate. p(k) = p0 * exp(-lev(k))

Geographic Longitude

lon

Geographic longitude (-west, +east).

PT60M

degrees

Geographic Lat and Long coordinates of S,N magnetic poles

mag

Geographic lat and lon coordinates of S,N magnetic poles.

PT60M

degrees

Magnetic Latitude

mlat

Magnetic latitude (-south, +north).

PT60M

degrees

Magnetic Midpoint Levels

imlev

Magnetic midpoint levels. ln(p0/p). Atmosphere ln pressure coordinate. p(k) = p0 * exp(-imlev(k))

Magnetic Longitude

mlon

Magnetic longitude (-west, +east).

PT60M

degrees

Model Times (day, hour, minute)

mtime

Model times (day, hour, minute).

PT60M

NCEP Data File

ncep_ncfile

NCEP data file. 10 mb lower boundary for TN and Z. This is a 2 dimensional array: 1024x24.

PT60M

Number of MPI tasks

ntask_mpi

Number of MPI tasks.

PT60M

Reference pressure

p0

Reference pressure.

millibars

Reference pressure (as used by the model)

p0_model

Reference pressure (as used by the model).

microbars

SABER Lower Boundary Condition data file

saber_ncfile

SABER lbc data file (T,Z). This is a 2 dimensional array: 1024x24.

PT60M

Amplitudes and Phases of semi-diurnal tide

sdtide

Amplitudes and phases of semi-diurnal tide. This is a 2 dimensional array: 10x24.

PT60M

TIMED SEE data file

see_ncfile

TIMED SEE data file. This is a 2 dimensional array: 1024x24.

PT60M

Solar Wind Density

swden

Solar wind density.

PT60M

cm^-3

Solar Wind Velocity

swvel

Solar Wind Velocity.

PT60M

km/s

TGCMLB file

tgcmlb_ncfile

TIEGCM lower boundary file used for lower boundary perturbation. This is a 2 dimensional array: 1024x24.

PT60M

TIDI Lower Boundary Conditions Data File

tidi_ncfile

TIDI lower boundary conditions data file. This is a 2 dimensional array: 1024x24.

PT60M

Time

time

Time minutes since 2022-1-2 0:0:0.

PT60M

minutes

Time Step

timestep

Timestep size.

PT60M

seconds

Universal Time

ut

Universal time (from model time hour and minute).

PT60M

hours

Write Time Date and History

write_date

Date and time each history was written.

PT60M

Calendar Year

year

Calendar year.

PT60M