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Weimer/2005/ROR/ARYAN_VR_053024_IT_1

Run Description

CCMC ROR run for Weimer 2005 with RORID ARYAN_VR_053024_IT_1

Simulation Time:

Simulation Start Time: 2011-08-04T00:01:00Z
Simulation End Time: 2011-08-07T23:57:00Z
Time Step in second: 240
Simulation Time Description:
Simulation Time Caveats:

Temporal Dependence (whether the outputs of the simulation code are time-dependent?): true

Regions:

Earth.NearSurface.Ionosphere.Topside

Simulation Domain :

Contacts :

ARYAN.VR, ModelUser

List of Run Input Parameter Grouping and their associated properties :

Name

Description

Caveats

Properties

Settings for the model

Settings used to run the model

Name	Description	Caveats	Units	Default Value or Actual Value	Valid Min	Valid Max
despike_solar_wind_data	Flag indicating whether to automatically de-spike solar wind (optional for automatically retrieved data only; use when solar wind data shown in next page have clusters of extreme values in plasma density, temperature or velocity).			True
despike.threshold	De-spike threshold (standard deviations)		sigmas	3	2	4
despike.number_of_samples	De-spike length (number of samples in cluster of extreme values to be eliminated)			7	3	9
b_abs	Magnitude of IMF			3.81
b_angle	IMF clock angle			13.35
use_AL	Flag indicating whether to use AL index			True
AL_is_provisional	Flag indicating AL is provisional (not realtime)			True
AL_start	AL index at the start of the run			-16.00
AL_min	Minimum value of AL index during the run			-2084.00
AL_max	Maximum value of AL index during the run			-3.00
sw_link	Solar wind link			plot
SW_density_floor_was_applied	Flag indicating the solar wind density has been floored with SW_density_floor value to ensure that the model will run through the requested time interval.			False
minimum_SW_Fast-Mode_mach_number	Minimum solar wind Fast-Mode mach number			1.37
SW_parameters_are_large	Flag indicating whether solar wind velocity, density or dynamic pressure are large. If they are, the run is a special request requiring attention by CCMC staff. The variables will be accepted unless they exceed certain absolute maximum values.
SW_plot	Name of solar wind plot			ARYAN_VR_053024_IT_1_sw.gif
dipole_update	True: Dipole Orientation is Consistent with the Real Time During The Simulated Time Interval. Dipole Orientation is Updated With Time. False: Dipole Orientation is Fixed to a select dipole tilt (-34 deg < tilt < 34 deg).	The Earth's dipole tilt is used as an input to Weimer model to calculate ionospheric potential used by CTIP.		True
dipole_time	Dipole time			2011/08/04 00:01
dipole_tilt	Dipole tilt		deg	14.4504
dipole_tilt_y	Y component of dipole tilt		deg	-6.17256

Solar wind inputs

Time-dependent solar wind plasma and magnetic field inputs.

Solar wind inputs are derived from a single spacecraft usually 200 R_E upstream of the sun-ward (front) simulation box boundary.

Name	Description	Caveats	Units	Default Value or Actual Value	Valid Min	Valid Max
solarwind	Flag indicating whether solar wind data are constant (initial values) or variable (var).			var	const	var
sw_source	Name of the spacecraft or data source used to generate solar wind input information. Currently one of ACE-RT ACE-L2, WIND, OMNI, DSCOVR (real time)	User-submitted data may be from any source or made-up.		WIND
Bx	Sun-Earth component of solar wind magnetic field.	Bx is usually held constant (zero or average of observed values) to conserve div.B at the front boundary. Alternatively, oblique phase fronts can be assumed that update solar wind conditions along those fronts throughout the front boundary. Bx is then approximated as a linear combination of time dependent By and Bz.	nT	-0.327	-100	100
By	Dawn-dusk component of solar wind magnetic field.		nT	0.879	-100	100
Bz	North-south component of the solar wind magnetic field. B_z is most important magnetic field component to drive or inhibit geomagnetic activity. Other components play a role in connection with the orientation of the Earth's dipole field.		nT	3.705	-100	100
Vx	Sun-Earth component of solar wind velocity.	Low solar wind speed (less than 200 km/s in magnitude) usually indicates poor statistics in the solar wind plasma measurements.	km/s	-361.992	-3000	-200
Vy	Plasma velocity in dawn-dusk direction.	The orbital velocity of Earth (about 29 km/s) is usually neglected.	km/s	-5.651	-500	500
Vz	Solar wind plasma velocity in north-south direction.		km/s	0.672	-500	500
N	Solar wind plasma density.	Mass density described in terms of number of protons per cubic centimeter.	AMU/cm^3	3.028	0.1	100
T	Solar wind plasma temperature.	Derived from observed distribution of solar wind particles. Can fluctuate widely when density N is at or below 1 AMU/cm^3.	K	17298.1	10000	2000000
SW density floor	Lowest value of N applied during pre-processing of solar wind input data.	The density floor in the solar wind varies by magnetosphere model and it's numerical stability. A similar floor may be imposed inside the magnetotail lobes where the density may drop lower than in the solar wind.	AMU/cm^3	0.1	0.1	2.5

Magnetosphere model parameters

Name	Description	Caveats	Units	Default Value or Actual Value	Valid Min	Valid Max
inflow boundary	Location of sun-ward facing (front) boundary of the magnetosphere simulation box.		R_E	0	24	128

Run Access Information :

Keyword(s) :

ionosphere

Linked to Parent Spase Resource(s) (example: SimulationModel) :

spase://CCMC/SimulationModel/Weimer/2005

List of Publications Referencing this Run :

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Curator: Chiu Wiegand | NASA Official: Dr. Masha Kuznetsova | Privacy and Security Notices | Accessibility | CCMC Data Collection Consent Agreement