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Christian Siemes
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A spaceborne gravity gradiometer concept based on cold atom interferometers for measuring Earth’s gravity field
O Carraz, C Siemes, L Massotti, R Haagmans, P Silvestrin
Microgravity Science and Technology 26 (3), 139-145, 2014
1572014
Swarm accelerometer data processing from raw accelerations to thermospheric neutral densities
C Siemes, J de Teixeira da Encarnação, E Doornbos, J Van Den Ijssel, ...
Earth, Planets and Space 68 (1), 92, 2016
982016
Thermosphere densities derived from Swarm GPS observations
J van den IJssel, E Doornbos, E Iorfida, G March, C Siemes, ...
Advances in Space Research 65 (7), 1758-1771, 2020
952020
DEOS Mass Transport model (DMT-1) based on GRACE satellite data: methodology and validation
X Liu, P Ditmar, C Siemes, DC Slobbe, E Revtova, R Klees, R Riva, ...
Geophysical Journal International 181 (2), 769-788, 2010
952010
Next generation gravity mission elements of the mass change and geoscience international constellation: from orbit selection to instrument and mission design
L Massotti, C Siemes, G March, R Haagmans, P Silvestrin
Remote Sensing 13 (19), 3935, 2021
782021
ESA’s next-generation gravity mission concepts
R Haagmans, C Siemes, L Massotti, O Carraz, P Silvestrin
Rendiconti Lincei. Scienze Fisiche e Naturali 31 (Suppl 1), 15-25, 2020
782020
Lower-thermosphere–ionosphere (LTI) quantities: current status of measuring techniques and models
M Palmroth, M Grandin, T Sarris, E Doornbos, S Tourgaidis, A Aikio, ...
Annales Geophysicae 39 (1), 189-237, 2021
732021
Upgrade of the GOCE Level 1b gradiometer processor
C Stummer, C Siemes, R Pail, B Frommknecht, R Floberghagen
Advances in Space Research 49 (4), 739-752, 2012
732012
Satellite drag coefficient modeling for thermosphere science and mission operations
PM Mehta, SN Paul, NH Crisp, PL Sheridan, C Siemes, G March, ...
Advances in Space Research 72 (12), 5443-5459, 2023
522023
Impact of a novel hybrid accelerometer on satellite gravimetry performance
P Abrykosov, R Pail, T Gruber, N Zahzam, A Bresson, E Hardy, ...
Advances in Space Research 63 (10), 3235-3248, 2019
522019
New thermosphere neutral mass density and crosswind datasets from CHAMP, GRACE, and GRACE-FO
C Siemes, C Borries, S Bruinsma, I Fernandez-Gomez, N Hładczuk, ...
Journal of space weather and space climate 13, 16, 2023
492023
Monitoring GOCE gradiometer calibration parameters using accelerometer and star sensor data: methodology and first results
C Siemes, R Haagmans, M Kern, G Plank, R Floberghagen
Journal of Geodesy 86 (8), 629-645, 2012
482012
Gas-surface interactions modelling influence on satellite aerodynamics and thermosphere mass density
G March, J Van Den Ijssel, C Siemes, PNAM Visser, EN Doornbos, ...
Journal of Space Weather and Space Climate 11, 54, 2021
472021
Comparison of GOCE-GPS gravity fields derived by different approaches
NZ O. Baur, H. Bock, E. Höck, A. Jäggi, S. Krauss, T. Mayer-Gürr, T. Reubelt ...
Journal of Geodesy, 2014
472014
Digital filtering algorithms for decorrelation within large least squares problems
C Siemes
Rheinische Friedrich-Wilhelms-Universität Bonn, Landwirtschaftliche Fakultät …, 2012
462012
Estimation of mass change trends in the Earth’s system on the basis of GRACE satellite data, with application to Greenland
C Siemes, P Ditmar, REM Riva, DC Slobbe, XL Liu, HH Farahani
Journal of Geodesy 87 (1), 69-87, 2013
442013
Swarm Langmuir probes' data quality validation and future improvements
F Catapano, S Buchert, E Qamili, T Nilsson, J Bouffard, C Siemes, I Coco, ...
Geoscientific Instrumentation, Methods and Data Systems 11 (1), 149-162, 2022
412022
GOCE gradiometer data calibration
C Siemes, M Rexer, A Schlicht, R Haagmans
Journal of Geodesy 93 (9), 1603-1630, 2019
322019
Improving GOCE cross-track gravity gradients
C Siemes
Journal of Geodesy 92 (1), 33-45, 2018
292018
GOCE gravity field analysis in the framework of HPF: operational software system and simulation results
R Pail, B Metzler, B Lackner, T Preimesberger, E Höck, WD Schuh, ...
Proceedings 3rd GOCE user workshop, Frascati, ESRIN, 249-256, 2006
272006
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Articles 1–20