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5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F About ESL Level 2 Processing and Data Products Some Selected Science Results Plasma depletion.

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Presentation on theme: "5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F About ESL Level 2 Processing and Data Products Some Selected Science Results Plasma depletion."— Presentation transcript:

1 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F About ESL Level 2 Processing and Data Products Some Selected Science Results Plasma depletion seen in different parameters Multi-Point observation of Equatorial plasma irregularities SIFM: Swarm Initial Field Model The Future … Almost 2 years of Swarm operations: From data to first scientific results – the ESL Perspective Nils Olsen and the Swarm ESLTeam

2 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Swarm Data Processing Hierarchy L2 Processor L1b Processor SW-A L0 L1b L2 scientific users

3 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F ESL: How to get the best Swarm data L2 Processor L1b Processor (Operational Processor) SW-A SCARF L2 Processing Facility L0 L1b L2 scientific users L1b Processor (Prototype Processor) ESL instrument provider

4 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F ESL: An International Swarm Effort 10 European institutes 3 oversea partners Tasks: Level 1b processor improvement Level 2 data processing (SCARF) 2 new partners LUH

5 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 ”Presentation and validation of the DLFI L2 product” by E. Thebault et al. “The DCO model, other models – and input data: results and challenges” by M. Rother et al. “New version of Comprehensive Inversion Chain L2 product” by T. Sabaka et al. More on Core and Lithospheric L2 Products in ”Presentation and validation of the DLFI L2 product” by E. Thebault et al. “The DCO model, other models – and input data: results and challenges” by M. Rother et al. “New version of Comprehensive Inversion Chain L2 product” by T. Sabaka et al.

6 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Swarm Level-2 Data Products

7 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Electrical Conductivity of 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 ”Swarm mantle conductivity model: On the consistency of the magnetospheric field product” by Jakub Velimsky

8 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Swarm Level-2 Data Products

9 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 More in ”Presentation and validation of the DIFI L2 product” by Arnaud Chulliat et al. “New version of Comprehensive Inversion Chain L2 product” by T. Sabaka et al. More in ”Presentation and validation of the DIFI L2 product” by Arnaud Chulliat et al. “New version of Comprehensive Inversion Chain L2 product” by T. Sabaka et al.

10 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Swarm Level-2 Data Products

11 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Neutral Densities Courtesy: P. Visser / TUD Session 2AG: ACC and GPSR measurements (Tuesday)

12 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Level-2 Data Products “Cat-2 Products”: Level-2 products with minimum delay, e.g. for space weather applications. Near real-time capability. Provided as daily files in CDF. Algorithms designed by ESL, data processed by PDGS

13 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Release of Level-2 Data Products Already available Soon … https://earth.esa.int/web/guest/missions/esa-operational-eo-missions/swarm

14 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Swarm Orbit Counter: AUXxORBCNT A ”Hidden” Product? Example: Orbit Counter for Swarm Alpha Filename: SW_OPER_AUXAORBCNT_20131122T000000_20150905T000000_0001.TXT %orbit MJD2000 date UT phi_AN Source 1 5074.55678856838 2013-11-22 13:21:46.532 17.148 0 2 5074.62247841386 2013-11-22 14:56:22.135 -6.585 0 3 5074.68816788308 2013-11-22 16:30:57.705 -30.319 0 4 5074.75385705056 2013-11-22 18:05:33.249 -54.053 0 5 5074.81954753306 2013-11-22 19:40:08.907 -77.787 0 6 5074.88523909682 2013-11-22 21:14:44.658 -101.522 0 7 5074.95093005663 2013-11-22 22:49:20.357 -125.256 0 8 5075.01661939640 2013-11-23 00:23:55.916 -148.991 1 9 5075.08230875432 2013-11-23 01:58:31.476 -172.727 1 10 5075.14799768524 2013-11-23 03:33:07.000 163.538 1 11 5075.21368658496 2013-11-23 05:07:42.521 139.804 1 12 5075.27937654080 2013-11-23 06:42:18.133 116.070 1 13 5075.34506670665 2013-11-23 08:16:53.763 92.334 1 14 5075.41075729858 2013-11-23 09:51:29.431 68.598 1 15 5075.47644769074 2013-11-23 11:26:05.080 44.863 1 16 5075.54213727452 2013-11-23 13:00:40.661 21.130 1... Information on Orbit number, and of UT and longitude of equator crossing (of ascending node) Available at ESRIN ftp–server./Auxiliary/Sat_A/AUXAORBCNT/

15 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Three Selected Science Results … Plasma depletion seen in different parameters Multi-Point observation of Equatorial plasma irregularities SIFM: Swarm Initial Field Model

17 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F SIFM+: Swarm Initial Field Model 21 months vector and scalar data, 16 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)

25 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F 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

26 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Extension of ESL? Possible future tasks L2 Processor L1b Processor (Operational Processor) SW-A SCARF L2 Processing Facility L0 L1b L2 scientific users L1b Processor (Prototype Processor) ESL instrument provider ESL extension Additional partners, new products, more science Closer contact to user community (”helpdesk”?) Extended L1b processing (use of constellation aspect) … ? ?

27 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Recently: two new ESL Partners Leibniz University of Hannover / Germany Jakob Flury (Institute of Geodesy) ACC data correction and characterisation: Correction of “fast” disturbances (steps, spikes …) Temperature correction Analysis of disturbances University of Calgary / Canada Eric Donovan (Auroral Imaging Group) “Swarm and Aurora” “ … development of tools, methodologies and applications sufficient to facilitate scientific studies of aurora and related phenomena that use … the Swarm in situ data”

28 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Special Issue in Earth, Planets Space: Swarm Science Results after two years in Space “… solicits contributions reporting results from the mission and dealing with data analyses and Earth science applications. Investigations of the Earth’s magnetic and gravity fields, their sources and of the way these interact with the Earth’s environment, are expected. Combination and synergies of Swarm with other satellites like Ørsted, CHAMP, GOCE, CLUSTER as well as ground data, targeting on providing a comprehensive description of the Earth system are particularly welcome.” Deadline for submission of manuscript: 31 December 2015 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 Interested? Please contribute … and inform us

29 5 th Swarm Data Quality Workshop 7 – 10 September 2015IPG Paris/F Conclusions 21 months of high quality magnetic Level-1b data, including 16 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” 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 …

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