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IUGG 2015 Prague 25 June 2015IUGG-4186 SCARF: Level 2 Data Products and Processing Some Selected Science Results Plasma depletion seen in different parameters.

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Presentation on theme: "IUGG 2015 Prague 25 June 2015IUGG-4186 SCARF: Level 2 Data Products and Processing Some Selected Science Results Plasma depletion seen in different parameters."— Presentation transcript:

1 IUGG 2015 Prague 25 June 2015IUGG-4186 SCARF: Level 2 Data Products and Processing Some Selected Science Results Plasma depletion seen in different parameters Multi-Point observation of Equatorial plasma irregularities SIFM: Swarm Initial Field Model 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 Nils Olsen and the Swarm SCARF Team

2 IUGG 2015 Prague 25 June 2015IUGG-4186 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 IUGG 2015 Prague 25 June 2015IUGG-4186 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

4 IUGG 2015 Prague 25 June 2015IUGG-4186 Swarm Level-2 Data Products Example: MCO from Dedicated Inversion Chain Filename: SW_OPER_MCO_SHAi2D_20130101T000000_20150303T000000_0101.DBL # Swarm L2 DCO Core field model# Snap-shots derived from order-isog spline models # There are isog-2 snap-shots per node-interval, # plus one at each node i.e. every isog-1 snap-shots# correspond to a spline node. # Dates are given in Years.fraction# Gauss coefficient format is F15.6 # # First non-comment line is describing the table: # N_min n_max N_times spline_order N_step(=spline_order-1) Validity.start Validity.end # Second non-comment line is listing the dates in Years.fraction # 1 20 26 6 5 2013.80 2015.17 2013.001027 2013.100958 2013.200890 2013.300821 2013.400753... 1 0 -29463.381499 -29462.291111 -29461.200283 -29460.109008 -29459.017281... 1 1 -1537.218089 -1535.413433 -1533.612511 -1531.815375 -1530.022079... 1 -1 4848.693817 4846.131387 4843.563496 4840.990068 4838.411027... 2 0 -2427.160177 -2428.063339 -2428.971201 -2429.883827 -2430.801285... 2 1 3019.499629 3019.136758 3018.773557 3018.410021 3018.046147... 2 -1 -2791.270940 -2793.982985 -2796.695329 -2799.407976 -2802.120930... 2 2 1672.977579 1673.151659 1673.325173 1673.498114 1673.670473... 2 -2 -612.885675 -614.342677 -615.799762 -617.256928 -618.714179... 3 0 1344.105542 1344.420837 1344.735871 1345.050638 1345.365136... 3 1 -2341.161298 -2341.721278 -2342.281117 -2342.840814 -2343.400366... 3 -1 -131.133548 -130.346667 -129.559616 -128.772393 -127.984996... 3 2 1226.604287 1226.559581 1226.515000 1226.470546 1226.426221... 3 -2 245.088304 245.081705 245.075136 245.068597 245.062090... 3 3 602.191947 601.178821 600.165522 599.152050 598.138401... 3 -3 -541.223255 -541.082060 -540.941158 -540.800553 -540.660249... 4 0 909.594468 909.485298 909.376195 909.267158 909.158189... 4 1 813.174476 813.199292 813.224080 813.248840 813.273571... 4 -1 285.139609 285.058469 284.977299 284.896100 284.814870... 4 2 138.213525 137.328070 136.442615 135.557161 134.671706...... More on Core and Lithospheric L2 Products in ”A lithospheric magnetic field model derived from the Swarm satellite measurements” by E. Thebault et al. (talk) “Swarm dedicated core field model and it's relationship to other recent models” by M. Rother et al. (poster) “Swarm SCARF Comprehensive Inversion Chain - First Results” by L. Tøffner-Clausen et al. (poster, session A36, Sunday) More on Core and Lithospheric L2 Products in ”A lithospheric magnetic field model derived from the Swarm satellite measurements” by E. Thebault et al. (talk) “Swarm dedicated core field model and it's relationship to other recent models” by M. Rother et al. (poster) “Swarm SCARF Comprehensive Inversion Chain - First Results” by L. Tøffner-Clausen et al. (poster, session A36, Sunday)

5 IUGG 2015 Prague 25 June 2015IUGG-4186 Swarm Level-2 Data Products

6 IUGG 2015 Prague 25 June 2015IUGG-4186 Electrical Conductivity of the Earth’s Mantle 1D mantle conductivity models L2 products MIN_1DM Two Level-2 chains: Time Domain (TD) chain Frequency Domain (FD) chain Determination of 3D mantle conductivity structure requires a few more years of Swarm data More in ”A preliminary model of the electrical conductivity of the Earth's mantle from the Swarm mission” by Jakub Velimsky (talk) and “A preliminary model of the 1-D mantle conductivity structure from Swarm data” by Christoph Püthe et al. (poster) More in ”A preliminary model of the electrical conductivity of the Earth's mantle from the Swarm mission” by Jakub Velimsky (talk) and “A preliminary model of the 1-D mantle conductivity structure from Swarm data” by Christoph Püthe et al. (poster)

7 IUGG 2015 Prague 25 June 2015IUGG-4186 Swarm Level-2 Data Products

8 IUGG 2015 Prague 25 June 2015IUGG-4186 Neutral Densities More in talk ”Precise orbit determination and neutral density retrieval for the Swarm satellites” by Pieter Visser et al

9 IUGG 2015 Prague 25 June 2015IUGG-4186 Swarm Level-2 Data Products

10 IUGG 2015 Prague 25 June 2015IUGG-4186 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” More in ”First results from the Swarm SCARF Dedicated Ionospheric Field Inversion chain” by Arnaud Chulliat et al. (talk) ”A Swarm near-real-time ring-current magnetic model” by Alan Thomson et al. (poster) More in ”First results from the Swarm SCARF Dedicated Ionospheric Field Inversion chain” by Arnaud Chulliat et al. (talk) ”A Swarm near-real-time ring-current magnetic model” by Alan Thomson et al. (poster)

11 IUGG 2015 Prague 25 June 2015IUGG-4186 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 More in ”The Swarm electric field instruments: Status and science” by David Knudsen et al. (talk) “Field-aligned current distribution deduced from Swarm dual- satellite observations” by Hermann Lühr et al. (talk) ”On the validity of the automated detection of low latitude plasma depletions onboard Swarm” by Claudia Stolle et al. (poster) “Comparison of plasma density and temperature by in-situ Langmuir probes and by incoherent scatter radars” by Laurianne Palin et al. (poster) More in ”The Swarm electric field instruments: Status and science” by David Knudsen et al. (talk) “Field-aligned current distribution deduced from Swarm dual- satellite observations” by Hermann Lühr et al. (talk) ”On the validity of the automated detection of low latitude plasma depletions onboard Swarm” by Claudia Stolle et al. (poster) “Comparison of plasma density and temperature by in-situ Langmuir probes and by incoherent scatter radars” by Laurianne Palin et al. (poster)

12 IUGG 2015 Prague 25 June 2015IUGG-4186 Release of Level-2 Data Products This week Mid July https://earth.esa.int/web/guest/missions/esa-operational-eo-missions/swarm

13 IUGG 2015 Prague 25 June 2015IUGG-4186 Visualisation of Data and Models VIRES Project More in ”Visual Analysis of Swarm and Geomagnetic Model Data” by Daniel Santillan et al. (poster) More in ”Visual Analysis of Swarm and Geomagnetic Model Data” by Daniel Santillan et al. (poster)

14 IUGG 2015 Prague 25 June 2015IUGG-4186 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

15 IUGG 2015 Prague 25 June 2015IUGG-4186 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)

16 IUGG 2015 Prague 25 June 2015IUGG-4186 Three Selected Science Results … Plasma depletion seen in different parameters Multi-Point observation of Equatorial plasma irregularities SIFM: Swarm Initial Field Model

17 IUGG 2015 Prague 25 June 2015IUGG-4186 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 Courtesy: C. Stolle / GFZ

18 IUGG 2015 Prague 25 June 2015IUGG-4186 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 Courtesy: C. Stolle / GFZ

19 IUGG 2015 Prague 25 June 2015IUGG-4186 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 Courtesy: C. Stolle / GFZ

20 IUGG 2015 Prague 25 June 2015IUGG-4186 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 Courtesy: C. Stolle / GFZ

21 IUGG 2015 Prague 25 June 2015IUGG-4186 Plasma depletion seen in different parameters 11 October 2014, 16:06 UT, 22 LT 85 deg E longitude Courtesy: C. Stolle / GFZ Swarm Data TECxTMS_2F EFIx_PL_1B MAGx_LR_1B IBIxTMS_2F FACxTMS_2F

22 IUGG 2015 Prague 25 June 2015IUGG-4186 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

23 IUGG 2015 Prague 25 June 2015IUGG-4186 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

24 IUGG 2015 Prague 25 June 2015IUGG-4186 SIFM: Swarm Initial Field Model 14 months vector and scalar data, 8 months constellation data E-W scalar difference (“gradient”) data: SW-A – SW-C both satellites at same latitude and < 50 secs apart in time N-S scalar difference (“gradient”) data: along-track first differences for each satellite SW-A, SW-B, SW-C Core field up to Spherical harmonic degree n = 13, crustal field up to n = 70 Co-estimation of instrument alignment parameters (Euler angles)

25 IUGG 2015 Prague 25 June 2015IUGG-4186 SIFM+: Swarm Initial Field Model 20 months vector and scalar data, 14 months constellation data E-W scalar and vector difference (“gradient”) data: SW-A – SW-C both satellites at same latitude and < 50 secs apart in time N-S scalar and vector difference (“gradient”) data: along-track first differences for each satellite SW-A, SW-B, SW-C Core field up to Spherical harmonic degree n = 13, crustal field up to n = 80 Co-estimation of instrument alignment parameters (Euler angles)

26 IUGG 2015 Prague 25 June 2015IUGG-4186 SIFM+: Model using Vector Gradient Data SIFM no gradient : no gradient data SIFM: with scalar gradient data no vector gradient data SIFM+: with scalar gradient data with vector gradient data Model from 2 years of CHAMP satellite data at 320 km altitude (100 x higher crustal field power at n=90) Degree correlation  n

27 IUGG 2015 Prague 25 June 2015IUGG-4186 SIFM+: Model using Vector Gradient Data B r at surface, n = 16 - 75

28 IUGG 2015 Prague 25 June 2015IUGG-4186 SIFM+: Model using Vector Gradient Data Difference to MF7 B r at surface, n = 16 - 75

29 IUGG 2015 Prague 25 June 2015IUGG-4186 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)

30 IUGG 2015 Prague 25 June 2015IUGG-4186 Special Issue in Earth, Planets Space “Swarm Science Results after two years in Space” (working title) Offer from EPS to have a special issue, awaiting for more detailed information in a proposal (number of possible contributions, …) Guest editors: Nils Olsen nio@space.dtu.dknio@space.dtu.dk Claudia Stolle cstolle@gfz-potsdam.decstolle@gfz-potsdam.de Rune Floberghagen Rune.Floberghagen@esa.intRune.Floberghagen@esa.int Gauthier Hulot gh@ipgp.frgh@ipgp.fr Tentative deadline: 31 December 2015 Interested? Please provide us with (preliminary) title, list of contributing authors

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