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CAS e-pop 26/27 April 2016 Montreal Swarm Level 1 and Level 2 Data Products and Processing Some Selected Science Results Models of the Earth’s magnetic.

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Presentation on theme: "CAS e-pop 26/27 April 2016 Montreal Swarm Level 1 and Level 2 Data Products and Processing Some Selected Science Results Models of the Earth’s magnetic."— Presentation transcript:

1 CAS e-pop 26/27 April 2016 Montreal Swarm Level 1 and Level 2 Data Products and Processing Some Selected Science Results Models of the Earth’s magnetic field including Swarm data Currents in the ionosphere (Hermann, Kalle, Knudsen) Multi-Point observation of Equatorial plasma irregularities and its effect on space weather Patrick Alken, Ciaran D Beggan, Stephan C. Buchert, Johnathan Burchill, Arnaud Chulliat, Eelco Doornbos, Joao Teixeira da Encarnacao, Ludwig Grunwaldt, Brian Hamilton, Rune Floberghagen, Eigil Friis-Christensen, Giuseppe Ottavianelli, Gauthier Hulot, Jose van den IJssel, David J. Knudsen, Alexey Kuvshinov, Jean-Michel Leger, Vincent Lesur, Hermann Luehr, Susan Macmillan, Stefan Maus, Ingo Michaelis, Max Noja, Nils Olsen, Poul Erik H Olsen, Jaeheung Park, Radek Peresty, Gernot Plank, Christoph Puethe, Jan Rauberg, Patricia Ritter, Martin Rother, Terence J Sabaka, Reyko Schachtschneider, Olivier Sirol, Claudia Stolle, Erwan Thebault, Alan W P Thomson, Lars Toeffner-Clausen, Jakub Velımsky, Pierre Vigneron, Pieter N Visser Swarm satellite constellation mission: From data to first scientific results Claudia Stolle, Patrick Alken, Nils Olsen and the Swarm DISC Team

2 CAS e-pop 26/27 April 2016 Montreal L2 Processor L1b Processor (Operational Processor) SW-A SCARF L2 Processing Facility L0 L1b L2 scientific users L1b Processor (Prototype Processor) Swarm Data Processing Hierarchy

3 CAS e-pop 26/27 April 2016 Montreal Level-1b Data Products TypeDescriptive Name MAGx_LR Low Rate magnetic data MAGx_HR High Rate magnetic data MAGx_CA Magnetic calibration data ASMxAUX Magnetic stray fields at ASM sensor VFMxAUX Magnetic stray fields at VFM sensor TypeDescriptive Name EFIx_PL Plasma data LP_x_CA Langmuir probe calibration data TIIx_CA Thermal Ion Imager calibration data TypeDescriptive Name GPSx_RO RINEX Observations GPSx_RN RINEX Navigation data GPSxNAV Navigational Solution MODx_SC Medium-Precision Orbit Determination STRxATT Attitude ACCx_PR Non-gravitational Accelerations Magnetic Products Plasma Products Ephemeris Products x = A, B or C

4 CAS e-pop 26/27 April 2016 Montreal Magnetic Level-1b Data Product MAGx_LR 1 Hz magnetic field observations: time, position, F, B NEC and B VFM ElementContentsFrameUnits TimestampTime of observation-CDF_EPOCH SyncStatusTime reference information-- LatitudeLatitude of observationITRFdegree LongitudeLongitude of observationITRFdegree RadiusRadius of observationITRFm FMagnetic field intensity-nT dF_AOCSMagnetic stray field correction intensity related to attitude control magneto-torquers-nT dF_otherMagnetic stray field correction intensity of all other sources-nT F_errorError estimate on magnetic field intensity-nT B_VFMMagnetic field vectorVFMnT B_NECMagnetic field vectorNECnT dB_AOCSMagnetic stray field correction vector related to attitude control magneto-torquersVFMnT dB_otherMagnetic stray field correction vector of all other sourcesVFMnT B_errorError estimates on magnetic field vector (B_VFM)VFMnT q_NEC_CRFRotation from NEC frame to STR Common Reference Frame (CRF), quaternion NEC  CRF - Att_errorError estimate on attitude information-degree/10 3 Flags_FFlags characterizing the magnetic field intensity-- Flags_BFlags characterizing the magnetic field vector measurement B_VFM and B_NEC-- Flags_qFlags characterizing the attitude information-- Flags_PlatformFlags characterizing the spacecraft platform information-- ASM_Freq_DevASM reference frequency calibration data deviation – for ASM stability assessment-Hz ½

5 CAS e-pop 26/27 April 2016 Montreal Level1b Data: Magnetic time series CHAOS-6 model subtracted

6 CAS e-pop 26/27 April 2016 Montreal Level1b Data: Magnetic time series CHAOS-6 model subtracted

7 CAS e-pop 26/27 April 2016 Montreal Level1b Data: EFI-Data

8 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Processing Swarm SCARF (Satellite Constellation Application and Research Facility) Consortium of 10 Partners from Europe, US and Canada (DTU, GFZ, IPGP, ETH, DEOS, BGS, NASA/GSFC, CIRES, CUP and UoC) ESA funded Level-2 Processing Facility Cat-1 chains with “scientists in the loop” (operated by SCARF) advanced geomagnetic models, mantle conductivity … Cat-2 chains with automatic processing (operated by ESRIN) products describing Earth environment, Near Real-Time capability 10 European institutes 3 oversea partners

9 CAS e-pop 26/27 April 2016 Montreal Level2 Data: Core field Lithospheric field Ionospheric field Mantle Conductivity Neutral density (Precise orbits) Cat-2

10 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Products

11 CAS e-pop 26/27 April 2016 Montreal Level2 Data: Magnetic Field Models

12 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Products nT Ionospheric Daily Variations (”Sq”) Product MIO_SHA_2_ Magnetic Field due to primary (ionospheric) and secondary (Earth- induced) currents ”Dedicated Ionospheric Chain”

13 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Products

14 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Products

15 CAS e-pop 26/27 April 2016 Montreal Neutral Densities

16 CAS e-pop 26/27 April 2016 Montreal Swarm Level-2 Data Products

17 CAS e-pop 26/27 April 2016 Montreal Level-2 Data Products Cat-2: Algorithms leading to Level-2 products with minimum delay, e.g. for space weather applications. Near real-time capability. Provided in CDF. Algorithms designed by SCARF, data processed by PDGS

18 CAS e-pop 26/27 April 2016 Montreal Visualisation of Data and Models VIRES Project

19 CAS e-pop 26/27 April 2016 Montreal IGRF International Geomagnetic Reference Field Determined every 5 years by IAGA working group V-MOD as an international collaborative effort Latest revision, IGRF-12, is valid between 2015 – 2020 Swarm was main data source for IGRF-12

20 CAS e-pop 26/27 April 2016 Montreal Special Section of Geophys. Res. Lett.: ESA's Swarm Mission, One Year in Space 16 papers published Majority of papers on external field investigations (mainly event studies)

21 CAS e-pop 26/27 April 2016 Montreal Three Selected Science Results … Plasma depletion seen in different parameters Multi-Point observation of Equatorial plasma irregularities SIFM: Swarm Initial Field Model

22 CAS e-pop 26/27 April 2016 Montreal Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude

23 CAS e-pop 26/27 April 2016 Montreal Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude

24 CAS e-pop 26/27 April 2016 Montreal Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude

25 CAS e-pop 26/27 April 2016 Montreal Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude

26 CAS e-pop 26/27 April 2016 Montreal Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F

27 CAS e-pop 26/27 April 2016 Montreal Plasma irregularities: GPS loss of signal

28 CAS e-pop 26/27 April 2016 Montreal F region equatorial plasma irregularities

29 CAS e-pop 26/27 April 2016 Montreal C/NOFS Swarm Bravo Swarm Alpha Swarm Charlie Courtesy: C. Stolle / GFZ Multi-Point observation of Equatorial plasma irregularities 1. Jan. 2014, 02:15 – 03:18 UT Plasma density anomaly

30 CAS e-pop 26/27 April 2016 Montreal Multi-Point observation of Equatorial plasma irregularities C/NOFS Swarm Bravo Swarm Alpha Swarm Charlie Courtesy: C. Stolle / GFZ 1. Jan. 2014, 02:15 – 03:18 UT Plasma density anomaly

31 CAS e-pop 26/27 April 2016 Montreal Conclusions 20 months of high quality magnetic Level-1b data, including 14 months from constellation Misfit statistics to derived geomagnetic models (e.g. SIFM+) confirm Swarm as “the best ever survey of the Earth’s magnetic field” First Level-2 data products released Swarm capabilities cover research topics spanning from the Earth’s core to the magnetosphere, including “Space weather and climate” Ideas for making a good mission even better Inter-satellite (“differential”) calibration New data products … Special Issue in Earth, Planets Space on “Swarm Science Results after two years in Space” based on contributions to this session (more information to follow)

32 CAS e-pop 26/27 April 2016 Montreal Ionospheric Currents Climatological Model, from CHAMP and Swarm magnetic data parameterized by IMF B y, B z, v SW,, F 10.7, tilt angle (season) Courtesy K. M. Laundal Birkeland Centre for Space Science Univ. Bergen/N First-ever determination of horizontal ionospheric and Field-aligned currents No additional a-priori information (e.g. no information on ionospheric conductance, E-field, …) South North J r J equ

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