TY - BOOK AU - Bierman, G. PY - 1977 DA - 1977// TI - Factorization methods for discrete sequential estimation PB - Academic Press CY - New York ID - Bierman1977 ER - TY - JOUR AU - Constable, C. G. PY - 1988 DA - 1988// TI - Parameter estimation in non-Gaussian noise JO - Geophys J VL - 94 UR - https://doi.org/10.1111/j.1365-246X.1988.tb03433.x DO - 10.1111/j.1365-246X.1988.tb03433.x ID - Constable1988 ER - TY - JOUR AU - Emmert, J. T. AU - Richmond, A. D. AU - Drob, D. P. PY - 2010 DA - 2010// TI - A computationally compact representation of magnetic-apex and quasi-dipole coordinates with smooth base vectors JO - J Geophys Res UR - https://doi.org/10.1029/2010JA015326 DO - 10.1029/2010JA015326 ID - Emmert2010 ER - TY - JOUR AU - Finlay, C. C. AU - Olsen, N. AU - Kotsiaros, S. AU - Gillet, N. AU - Tøffner-Clausen, L. PY - 2016 DA - 2016// TI - Recent geomagnetic secular variation from Swarm and ground observatories as estimated in the CHAOS-6 geomagnetic field model JO - Earth Planets Space UR - https://doi.org/10.1186/s40623-016-0486-1 DO - 10.1186/s40623-016-0486-1 ID - Finlay2016 ER - TY - JOUR AU - Grayver, A. V. AU - Olsen, N. PY - 2019 DA - 2019// TI - The magnetic signatures of the m2, n2, and o1 oceanic tides observed in swarm and champ satellite magnetic data JO - Geophys Res Lett VL - 46 UR - https://doi.org/10.1029/2019GL082400 DO - 10.1029/2019GL082400 ID - Grayver2019 ER - TY - JOUR AU - Holme, R. PY - 2000 DA - 2000// TI - Modelling of attitude error in vector magnetic data: application to Ørsted data JO - Earth Planets Space VL - 52 UR - https://doi.org/10.1186/BF03352351 DO - 10.1186/BF03352351 ID - Holme2000 ER - TY - JOUR AU - Holme, R. AU - Bloxham, J. PY - 1995 DA - 1995// TI - Alleviation of the backus effect in geomagnetic field modelling JO - Geophys Res Lett VL - 22 UR - https://doi.org/10.1029/95GL01431 DO - 10.1029/95GL01431 ID - Holme1995 ER - TY - JOUR AU - Holme, R. AU - Bloxham, J. PY - 1996 DA - 1996// TI - The treatment of attitude errors in satellite geomagnetic data JO - Phys Earth Planet Int VL - 98 UR - https://doi.org/10.1016/S0031-9201(96)03189-5 DO - 10.1016/S0031-9201(96)03189-5 ID - Holme1996 ER - TY - JOUR AU - Kuvshinov, A. PY - 2008 DA - 2008// TI - 3-D global induction in the oceans and solid earth: recent progress in modeling magnetic and electric fields from sources of magnetospheric, ionospheric and oceanic origin JO - Surv Geophys VL - 29 UR - https://doi.org/10.1007/s10712-008-9045-z DO - 10.1007/s10712-008-9045-z ID - Kuvshinov2008 ER - TY - JOUR AU - Kuvshinov, A. V. AU - Olsen, N. PY - 2006 DA - 2006// TI - A global model of mantle conductivity derived from 5 years of CHAMP, Ørsted, and SAC-C magnetic data JO - Geophys Res Lett VL - 33 UR - https://doi.org/10.1029/2006GL027083 DO - 10.1029/2006GL027083 ID - Kuvshinov2006 ER - TY - JOUR AU - Lowes, F. J. PY - 1966 DA - 1966// TI - Mean-square values on sphere of spherical harmonic vector fields JO - J Geophys Res VL - 71 UR - https://doi.org/10.1029/JZ071i008p02179 DO - 10.1029/JZ071i008p02179 ID - Lowes1966 ER - TY - JOUR AU - Macmillan, S. AU - Olsen, N. PY - 2013 DA - 2013// TI - Observatory data and the Swarm mission JO - Earth Planets Space VL - 65 UR - https://doi.org/10.5047/eps.2013.07.011 DO - 10.5047/eps.2013.07.011 ID - Macmillan2013 ER - TY - JOUR AU - Maus, S. AU - Weidelt, P. PY - 2004 DA - 2004// TI - Separating the magnetospheric disturbance magnetic field into external and transient internal contributions using a 1D conductivity model of the Earth JO - Geophys Res Lett VL - 31 UR - https://doi.org/10.1029/2004GL020232 DO - 10.1029/2004GL020232 ID - Maus2004 ER - TY - JOUR AU - Olsen, N. PY - 2000 DA - 2000// TI - Ørsted initial field model JO - Geophys Res Lett VL - 27 UR - https://doi.org/10.1029/2000GL011930 DO - 10.1029/2000GL011930 ID - Olsen2000 ER - TY - JOUR AU - Olsen, N. AU - Lühr, H. AU - Finlay, C. C. AU - Sabaka, T. J. AU - Michaelis, I. AU - Rauberg, J. AU - Tøffner-Clausen, L. PY - 2014 DA - 2014// TI - The CHAOS-4 geomagnetic field model JO - Geophys J Int VL - 197 UR - https://doi.org/10.1093/gji/ggu033 DO - 10.1093/gji/ggu033 ID - Olsen2014 ER - TY - JOUR AU - Olsen, N. AU - Ravat, D. AU - Finlay, C. C. AU - Kother, L. K. PY - 2017 DA - 2017// TI - LCS-1: A high-resolution global model of the lithospheric magnetic field derived from CHAMP and Swarm satellite observations JO - Geophys J Int VL - 211 UR - https://doi.org/10.1093/gji/ggx381 DO - 10.1093/gji/ggx381 ID - Olsen2017 ER - TY - JOUR AU - Richmond, A. D. PY - 1995 DA - 1995// TI - Ionospheric electrodynamics using magnetic Apex coordinates JO - J Geomagn Geoelectr VL - 47 UR - https://doi.org/10.5636/jgg.47.191 DO - 10.5636/jgg.47.191 ID - Richmond1995 ER - TY - JOUR AU - Sabaka, T. AU - Tøffner-Clausen, L. AU - Olsen, N. AU - Finlay, C. PY - 2018 DA - 2018// TI - A comprehensive model of Earth’s magnetic field determined from 4 years of Swarm satellite observations JO - Earth Planets Space VL - 70 UR - https://doi.org/10.1186/s40623-018-0896-3 DO - 10.1186/s40623-018-0896-3 ID - Sabaka2018 ER - TY - JOUR AU - Sabaka, T. J. AU - Olsen, N. AU - Langel, R. A. PY - 2002 DA - 2002// TI - A comprehensive model of the quiet-time near-Earth magnetic field: Phase 3 JO - Geophys J Int VL - 151 UR - https://doi.org/10.1046/j.1365-246X.2002.01774.x DO - 10.1046/j.1365-246X.2002.01774.x ID - Sabaka2002 ER - TY - JOUR AU - Sabaka, T. J. AU - Olsen, N. AU - Purucker, M. E. PY - 2004 DA - 2004// TI - Extending comprehensive models of the Earth’s magnetic field with Ørsted and CHAMP data JO - Geophys J Int VL - 159 UR - https://doi.org/10.1111/j.1365-246X.2004.02421.x DO - 10.1111/j.1365-246X.2004.02421.x ID - Sabaka2004 ER - TY - JOUR AU - Sabaka, T. J. AU - Tøffner-Clausen, L. AU - Olsen, N. PY - 2013 DA - 2013// TI - Use of the comprehensive inversion method for swarm satellite data analysis JO - Earth Planets Space VL - 65 UR - https://doi.org/10.5047/eps.2013.09.007 DO - 10.5047/eps.2013.09.007 ID - Sabaka2013 ER - TY - JOUR AU - Sabaka, T. J. AU - Olsen, N. AU - Tyler, R. H. AU - Kuvshinov, A. PY - 2015 DA - 2015// TI - CM5, a pre-Swarm comprehensive magnetic field model derived from over 12 years of CHAMP, Ørsted, SAC-C and observatory data JO - Geophys J Int VL - 200 UR - https://doi.org/10.1093/gji/ggu493 DO - 10.1093/gji/ggu493 ID - Sabaka2015 ER - TY - JOUR AU - Sabaka, T. J. AU - Tyler, R. H. AU - Olsen, N. PY - 2016 DA - 2016// TI - Extracting ocean-generated tidal magnetic signals from Swarm data through satellite gradiometry JO - Geophys Res Lett VL - 43 UR - https://doi.org/10.1002/2016gl068180 DO - 10.1002/2016gl068180 ID - Sabaka2016 ER - TY - BOOK AU - Seber, G. A. F. AU - Wild, C. J. PY - 2003 DA - 2003// TI - Nonlinear regression PB - Wiley-Interscience CY - New York ID - Seber2003 ER - TY - JOUR AU - Tyler, R. H. AU - Maus, S. AU - Lühr, H. PY - 2003 DA - 2003// TI - Satellite observations of magnetic fields due to ocean tidal flow JO - Science VL - 299 UR - https://doi.org/10.1126/science.1078074 DO - 10.1126/science.1078074 ID - Tyler2003 ER -