*************************************************************************************** Date: 23-December-2022 Who: S. W. Bougher General Details of MGITM datasets for PEDE Dust Event in Summer 2018 ***************************************************************************************** PEDE Dust Storm Campaigns (see Elrod et al., 2019; Roeten et al. 2022a; Elrod et al. 2023) -------------------------------------------------------------------------------------------- Interval Date (2018) Season (Ls) Periapsis Latitude Periapsis TLST Narrative (DEG) (Hours) -------------------------------------------------------------------------------------------- 1 June 1 185.2 27.0S 8.8 Onset of Storm 2 June 8 189.2 19.0S 7.8 1st UATM Detection 3 June 12 191.6 16.0S 7.4 Growth Phase 4 June 16 194.0 13.0S 7.1 Growth Phase 5 June 20 196.0 10.0S 6.6 PEDE Declared 6 June 27 200.4 5.0S 6.0 Periapsis to Nightside 7 July 7-10 207-208 4.0N 5.0 Peak of PEDE 8 August 15 230.5 27.0N 2.0 Early Decay Phase 9 August 30 240.6 45.0N 23.0 Mid Decay Phase** ** This archive ***************************************************************************************** MGITM Results are presented on a regular GEO grid (Longitude-Latitude-Altitude): ------------------------------------------------------------------------- LON (72 elements) = 2.5 to 357.5 by 5.0 degree interval (fastest index) LAT (36 elements) = -87.5 to +87.5 by 5.0 degree interval ALT (46 elements) = 98.75 to 226.25 km by 2.5 km interval (slowest index) where LON (2.5 to 180 to 357.5E) corresponds to SLT = 12 to 24 to 12 (We have selected the proper UT for each dataset for this match) Fields (18): -- Temperatures : Tn, Ti, Te (neutral, ion, electron) -- Major neutral densites : [CO2], [O], [N2], [CO], [Ar], [He] -- Major plasma densities : [O2+], [O+], [CO2+], [Ne] (dayside only, best in PCE region below ~200 km) -- 3-component neutral winds: Un, Vn, Wn -- Pressure (total) : P -- Solar Zenith Angle : SZA Units = All Temperatures (K), All densities (#/m3), 3-component winds (m/s), Pressure (pascals), SZA (degrees) File Nomenclature: ------------------------------ PEDE4B.ZZGW.E20.YYMMDD.utXX.userdetic.dat (PEDE4B contains an M-GITM simulation with no gravity wave forcing) or PEDE4D.ZZGW.E20.YYMMDD.utXX.userdetic.dat (PEDE4D contains an M-GITM simulation with gravity wave forcing included) ZZ = Flag for yes/no for M-GITM GW formulation activation YY = last 2-digits of year MM = 2-digit month DD = 2-digit day of month XX = Universal Time (on Earth): 2-digit integral hours MonthYear = PEDE Interval e.g. PEDE4D.YSGW.E20.180830.ut19.userdetic.dat ZZ = YS (GW formulation turned on) YY = 18 MM = 08 DD = 30 XX = 19 5-Files in the respository for downloading: ---------------------------------------------------------------------------------- README.MGITM.GENERAL2.txt PEDE4B.NOGW.E20.180830.ut19.userdetic.dat PEDE4B.NOGW.E20.180830.ut19.userdetic.sav PEDE4D.YSGW.E20.180830.ut19.userdetic.dat PEDE4D.YSGW.E20.180830.ut19.userdetic.sav where: *.dat files are ascii formatted datacubes for wide usage *.sav files are IDL formmatted save files for IDL users FISM-Mars daily averaged solar EUV-UV fluxes (1-195 nm) used based upon MAVEN Extreme Ultraviolet Monitor (EUVM) instrument: Thiemann et al. (2017). ------------------------------------------------------------------------------------- Level 3 EUVM daily products used: v11_r04 (all PEDE intervals) ***************************************************************************************** Specific Key References pertaining to MGITM Simulations plus MAVEN NGIMS Datasets: -------------------------------------------------------------------------------------- Bougher et al. (2015), J. Geophys. Res., 120, 311-342. doi:10.1002/2014JE004715 Bougher et al. (2017), J. Geophys. Res., 122, 1296-1313. doi:10.1002/2016JA023454 Bougher et al. (2022), J. Geophys. Res., 127, XXXX-XXXX. doi:10.1002/2022JE007475 Elrod et al. (2017), J. Geophys. Res., 122, 2564-2573. doi:10.1002/2016JA023482 Elrod et al. (2019), Geophys. Res. Lett., 47. doi:10.1029/2019GL084378 Roeten et al. (2019), J. Geophys. Res., 124, 3283-3303. doi:10.1029/2019JE005957 Roeten et al. (2022a), Icarus, 382. doi:10.1016/j.icarus.2022.115006 Roeten et al. (2022b), J. Geophys. Res., 127, XXXX-XXXX. doi:10.1029/2022JE007477 Thiemann et al. (2017), J. Geophys. Res., 122, 2748-2767. doi:10.1002/2016JA023512 Citation for this dataset: ------------------------- Bougher, S. W., Roeten, K. J. (2022) Mars Thermospheric Responses to a Global Dust Storm (PEDE-2018): Mars Global Ionosphere-Thermosphere Model (M-GITM) Simulated Helium Distributions for Comparison to MAVEN Spacecraft Measurements [Data set], University of Michigan - Deep Blue Data. doi: https://doi.org/10.7302/cyb9-pe07. *****************************************************************************************