@Article{angeo-36-425-2018,
AUTHOR = {Trinh, Q. T. and Ern, M. and Doornbos, E. and Preusse, P. and Riese, M.},
TITLE = {Satellite observations of middle atmosphere--thermosphere vertical coupling by gravity waves},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {2},
PAGES = {425--444},
URL = {https://angeo.copernicus.org/articles/36/425/2018/},
DOI = {10.5194/angeo-36-425-2018}
}

@Article{angeo-36-679-2018,
AUTHOR = {Xiong, C. and Stolle, C. and Park, J.},
TITLE = {Climatology of GPS signal loss observed by Swarm satellites},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {2},
PAGES = {679--693},
URL = {https://angeo.copernicus.org/articles/36/679/2018/},
DOI = {10.5194/angeo-36-679-2018}
}

@Article{angeo-36-167-2018,
AUTHOR = {Irrgang, C. and Saynisch-Wagner, J. and Thomas, M.},
TITLE = {Depth of origin of ocean-circulation-induced magnetic signals},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {1},
PAGES = {167--180},
URL = {https://angeo.copernicus.org/articles/36/167/2018/},
DOI = {10.5194/angeo-36-167-2018}
}

@Article{angeo-36-287-2018,
AUTHOR = {Papadimitriou, C. and Balasis, G. and Daglis, I. A. and Giannakis, O.},
TITLE = {An initial ULF wave index derived from 2 years of Swarm observations},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {2},
PAGES = {287--299},
URL = {https://angeo.copernicus.org/articles/36/287/2018/},
DOI = {10.5194/angeo-36-287-2018}
}

@Article{angeo-36-595-2018,
AUTHOR = {Heilig, B. and L\"uhr, H.},
TITLE = {Quantifying the relationship between the plasmapause and the inner boundary
of small-scale field-aligned currents, as deduced from Swarm~observations},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {2},
PAGES = {595--607},
URL = {https://angeo.copernicus.org/articles/36/595/2018/},
DOI = {10.5194/angeo-36-595-2018}
}

@Article{se-9-323-2018,
AUTHOR = {L\"uck, C. and Kusche, J. and Rietbroek, R. and L\"ocher, A.},
TITLE = {Time-variable gravity fields and ocean mass change from 37 months of kinematic Swarm orbits},
JOURNAL = {Solid Earth},
VOLUME = {9},
YEAR = {2018},
NUMBER = {2},
PAGES = {323--339},
URL = {https://se.copernicus.org/articles/9/323/2018/},
DOI = {10.5194/se-9-323-2018}
}

@Article{angeo-36-761-2018,
AUTHOR = {Vielberg, K. and Forootan, E. and L\"uck, C. and L\"ocher, A. and Kusche, J. and B\"orger, K.},
TITLE = {Comparison of accelerometer data calibration methods used in thermospheric neutral density estimation},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {3},
PAGES = {761--779},
URL = {https://angeo.copernicus.org/articles/36/761/2018/},
DOI = {10.5194/angeo-36-761-2018}
}

@Article{angeo-36-825-2018,
AUTHOR = {Pokhotelov, D. and Becker, E. and Stober, G. and Chau, J. L.},
TITLE = {Seasonal variability of atmospheric tides in the mesosphere and lower thermosphere: meteor radar data and simulations},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {3},
PAGES = {825--830},
URL = {https://angeo.copernicus.org/articles/36/825/2018/},
DOI = {10.5194/angeo-36-825-2018}
}

@Article{se-9-897-2018,
AUTHOR = {Vervelidou, F. and Th\'ebault, E. and Korte, M.},
TITLE = {A high-resolution lithospheric magnetic field model over southern Africa based on a joint inversion of CHAMP, Swarm, WDMAM, and ground magnetic field data},
JOURNAL = {Solid Earth},
VOLUME = {9},
YEAR = {2018},
NUMBER = {4},
PAGES = {897--910},
URL = {https://se.copernicus.org/articles/9/897/2018/},
DOI = {10.5194/se-9-897-2018}
}

@Article{angeo-36-1141-2018,
AUTHOR = {Xiong, C. and L\"uhr, H. and Schmidt, M. and Blo{\ss}feld, M. and Rudenko, S.},
TITLE = {An empirical model of the thermospheric mass density derived from CHAMP
satellite},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {4},
PAGES = {1141--1152},
URL = {https://angeo.copernicus.org/articles/36/1141/2018/},
DOI = {10.5194/angeo-36-1141-2018}
}

@Article{angeo-36-1009-2018,
AUTHOR = {Saynisch, J. and Irrgang, C. and Thomas, M.},
TITLE = {Estimating ocean tide model uncertainties for\hack{\break} electromagnetic inversion studies},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {4},
PAGES = {1009--1014},
URL = {https://angeo.copernicus.org/articles/36/1009/2018/},
DOI = {10.5194/angeo-36-1009-2018}
}

@Article{angeo-36-999-2018,
AUTHOR = {Conte, J. F. and Chau, J. L. and Laskar, F. I. and Stober, G. and Schmidt, H. and Brown, P.},
TITLE = {Semidiurnal solar tide differences between fall and spring transition times in the Northern Hemisphere},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {4},
PAGES = {999--1008},
URL = {https://angeo.copernicus.org/articles/36/999/2018/},
DOI = {10.5194/angeo-36-999-2018}
}

@Article{angeo-36-1227-2018,
AUTHOR = {Ren, L. and Sch\"on, S.},
TITLE = {PPP-based Swarm kinematic orbit determination},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {5},
PAGES = {1227--1241},
URL = {https://angeo.copernicus.org/articles/36/1227/2018/},
DOI = {10.5194/angeo-36-1227-2018}
}

@Article{angeo-36-1483-2018,
AUTHOR = {Bertello, I. and Piersanti, M. and Candidi, M. and Diego, P. and Ubertini, P.},
TITLE = {Electromagnetic field observations by the DEMETER satellite in connection with the 2009 L'Aquila earthquake},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {5},
PAGES = {1483--1493},
URL = {https://angeo.copernicus.org/articles/36/1483/2018/},
DOI = {10.5194/angeo-36-1483-2018}
}

@Article{angeo-37-347-2019,
AUTHOR = {Bunescu, C. and Vogt, J. and Marghitu, O. and Blagau, A.},
TITLE = {Multiscale estimation of the field-aligned current density},
JOURNAL = {Annales Geophysicae},
VOLUME = {37},
YEAR = {2019},
NUMBER = {3},
PAGES = {347--373},
URL = {https://angeo.copernicus.org/articles/37/347/2019/},
DOI = {10.5194/angeo-37-347-2019}
}

@Article{angeo-36-1393-2018,
AUTHOR = {Telschow, R. and Gerhards, C. and Rother, M.},
TITLE = {On the approximation of spatial structures of global tidal magnetic field models},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {5},
PAGES = {1393--1402},
URL = {https://angeo.copernicus.org/articles/36/1393/2018/},
DOI = {10.5194/angeo-36-1393-2018}
}

@Article{angeo-36-1545-2018,
AUTHOR = {Siddiqui, T. A. and Maute, A. and Pedatella, N. and Yamazaki, Y. and L\"uhr, H. and Stolle, C.},
TITLE = {On the variability of the semidiurnal solar and lunar tides of the equatorial electrojet during sudden stratospheric warmings},
JOURNAL = {Annales Geophysicae},
VOLUME = {36},
YEAR = {2018},
NUMBER = {6},
PAGES = {1545--1562},
URL = {https://angeo.copernicus.org/articles/36/1545/2018/},
DOI = {10.5194/angeo-36-1545-2018}
}

@Article{angeo-37-111-2019,
AUTHOR = {Schreiter, L. and Arnold, D. and Sterken, V. and J\"aggi, A.},
TITLE = {Mitigation of ionospheric signatures in Swarm GPS gravity field estimation using weighting strategies},
JOURNAL = {Annales Geophysicae},
VOLUME = {37},
YEAR = {2019},
NUMBER = {1},
PAGES = {111--127},
URL = {https://angeo.copernicus.org/articles/37/111/2019/},
DOI = {10.5194/angeo-37-111-2019}
}