10.5880/icgem.2021.002 Lück, Christina Christina Lück 0000-0001-5584-1411 Institute for Geodesy and Geoinformation, University of Bonn, Bonn, Germany Kusche, Jürgen Jürgen Kusche 0000-0001-7069-021X Institute for Geodesy and Geoinformation, University of Bonn, Bonn, Germany Rietbroek, Roelof Roelof Rietbroek 0000-0001-5276-5943 ITC Faculty of Geo-information Science and Earth Observation , Department of Water Resources (WRS), University of Twente, Enschede, The Netherlands Löcher, Anno Anno Löcher 0000-0003-4831-6218 Institute for Geodesy and Geoinformation, University of Bonn, Bonn, Germany GFZ Data Services 2021 Swarm monthly gravity field model ICGEM geodesy global gravity field model EARTH SCIENCE > SOLID EARTH > GEODETICS EARTH SCIENCE > SOLID EARTH > GRAVITY/GRAVITATIONAL FIELD Lück, Christina Institute for Geodesy and Geoinformation, University of Bonn, Bonn, Germany 2021-10 2014-08/2021-03 Dataset 10.5194/se-9-323-2018 Reference to Diss when available http://icgem.gfz-potsdam.de/ https://meetingorganizer.copernicus.org/EGU2015/EGU2015-5481-1.pdf 10.1029/2001jc001224 10.1093/gji/ggx302 https://tmo.jpl.nasa.gov/progress_report/42-178/178C.pdf 10.5194/essd-11-647-2019 10.13140/RG.2.2.14101.99047 10.5880/ICGEM.2019.002 https://hdl.handle.net/20.500.11811/2388 10.1007/s00190-020-01368-6 CC BY 4.0 Monthly gravity fields from Swarm A, B, and C, using the integral equation approach with short arcs.

Software: GROOPS;
Approach: Short-arc approach (Mayer-Gürr, 2006);
Kinematic orbit product: IfG Graz: https://ftp.tugraz.at/outgoing/ITSG/satelliteOrbitProducts/operational/Swarm-1/kinematicOrbit/;
Arc length: 45 minutes;
Reference GFM: GOCO06s (Kvas et. al, 2021), monthly mean has been added back to the solution;
Drag model: NRLMSIS2;
SRP and EARP and EIRP models: Vielberg & Kusche (2020);
Empirical parameters: + for non-gravitational accelerations (sum of Drag+SRP+EIRP+EARP): Bias per arc and direction; + for Drag: Scale per arc and direction; + for radiation pressure (sum of SRP+EIRP+EARP): Scale per day and direction;
Non-tidal model: Atmosphere and Ocean De-aliasing Level 1B RL06 (Dobslaw et al., 2017);
Ocean tidal model: 2014 finite element solution FES2014b (Carrere et al., 2015);
Atmospheric tidal model: AOD1B RL06 atmospheric tides ;
Solid Earth tidal model: IERS2010;
Pole tidal model: IERS2010;
Ocean pole tidal model: IERS2010 (Desai 2002);
Third-body perturbations: Sun, Moon, Mercury, Venus, Mars, Jupiter, and Saturn, following the JPL DE421 Planetary and Lunar Ephemerides (Folkner et al., 2014).
-180 180 -90 90 Deutsche Forschungsgemeinschaft http://doi.org/10.13039/501100001659 RI 2657/2-2