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Technische Universität München

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Institut für Astronomische und Physikalische Geodäsie

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Dr.-Ing. Moritz Rexer


Institut für Astronomische und Physikalische Geodäsie
Technische Universität München
Arcisstr. 21
80333 München

Raum: 2613
Tel: +49 89 / 289 231 81
Fax: +49 89 / 289 231 78
 
E-Mail: moritz.rexer@mytum.de
Homepage: 

Gehe zu: Forschungsprojekte | Publikationen | Vorträge | Poster | Betreute Arbeiten

Forschungsprojekte  -> Seitenanfang



Publikationen  -> Seitenanfang

2017

  • Rexer, M.: Spectral Solutions to the Topographic Potential in the context of High-Resolution Global Gravity Field Modelling; Dissertation, Ingenieurfakultät Bau Geo Umwelt (BGU), Technische Universität München, mediaTUM, 2017, Externer Link.
  • Hirt, C.; Rexer, M.; Claessens, S.J.; Rummel, R.: The relation between degree‐2160 spectral models of Earth’s gravitational and topographic potential., A guide on global correlation measures and their dependency on approximation effects; Journal of Geodesy, Vol. 91, Springer, DOI: 10.1007/s00190‐017‐1016‐z., 2017, Externer Link.

2016

  • Rexer, M.; Hirt, C.: Evaluation of intermediate TanDEM-X digital elevation data products over Tasmania using other digital elevation models and accurate heights from the Australian National Gravity Database ; Australian Journal of Earth Sciences, Vol. 63, Nr. 5, pp 599-609, Taylor and Francis, DOI: 10.1080/08120099.2016.1238440, 2016.
  • Hirt, C.; Reußner, E.; Rexer, M.; Kuhn, M.: Topographic gravity modelling for global Bouguer maps to degree 2,160: Validation of spectral and spatial domain forward modelling techniques at the 10 microgal-level; Journal of Geophysical Research: Solid Earth, Vol. 121, Nr. 9, pp 6846, AGU Publications, DOI: 10.1002/2016JB013249, 2016.
  • Rexer, M.; Hirt, C.; Claessens, S.; Tenzer, R.: Layer-based modelling of the Earth’s gravitational potential up to 10km-scale in spherical harmonics in spherical and ellipsoidal approximation; Surveys in Geophysics, Vol. 37, Nr. 6, pp 1035, DOI: 10.1007/s10712-016-9382-2, 2016.
  • Hirt, C.; Rexer, M.; Scheinert, M.; Pail, R.; Claessens, S.; Holmes, S.: A new degree-2190 (10 km resolution) gravity field model for Antarctica developed from GRACE, GOCE and Bedmap2 data; Journal of Geodesy, Vol. 90, Nr. 2, pp 105-127, Springer Berlin Heidelberg, ISSN (Online) 0949-7714, DOI: 10.1007/s00190-015-0857-6, 2016, Externer Link.
  • Rexer, M.: Ultra-high-degree extension (v1.0) of SHTOOLS, Fortran source code; Institut für Astronomische und Physikalische Geodäsie, 2016, Externer Link.

2015

  • Rexer, M.; Hirt, C.: Ultra-high-Degree Surface Spherical Harmonic Analysis Using the Gauss-Legendre and the Driscoll/Healy Quadrature Theorem and Application to Planetary Topography Models of Earth, Mars and Moon; Surveys in Geophysics, Vol. 36, Nr. 6, pp 803-830, Springer Netherlands, ISSN (Online) 0169-3298, DOI: 10.1007/s10712-015-9345-z, 2015, Externer Link.
  • Rexer, M.; Hirt, C.: Spectral analysis of the Earth’s topographic potential via 2D-DFT: a new data-based degree variance model to degree 90,000; Journal of Geodesy, Vol. 89, Nr. 9, pp 887-909, Springer Berlin Heidelberg, ISSN 0949-7714, ISSN (Online) 1432-1394, DOI: 10.1007/s00190-015-0822-4, 2015, Externer Link.
  • Hirt, C.; Rexer, M.; Claessens, S.: Topographic evaluation of fifth‐generation GOCE gravity field models – globally and regionally; Newton's Bulletin 5, Special issue on validation of GOCE gravity fields, International Association of Geodesy, Vol. 2015, Nr. 5, pp 1-24, IAG, 2015, Externer Link.
  • Hirt, C.; Rexer, M.: Earth2014: 1' shape, topography, bedrock and ice-sheet models - Available as gridded data and degree 10,800 spherical harmonics; International Journal of Applied Earth Observation and Geoinformation, Vol. 39, pp 103-112, Elsevier, DOI: 10.1016/j.jag.2015.03.001, 2015, Externer Link.
  • Rexer, M.; Hirt, C.; Claessens, S.; Braitenberg, C.: Use of topography in the context of the GOCE satellite mission - some examples; in: Ouwehand, L. (eds.) Proc. '5th International GOCE User Workshop', Paris, France, 25-28 November 2014, Heft ESA SP-728, ESA Communications, ISBN (Online) 978-92-9221-292-6, ISSN (Online) 1609-042X, 2015, Externer Link.
  • Rexer, M.; Pail, R.; Fecher, T.; Meyer, U.: Time Variable Gravity: Contributions of GOCE Satellite Data to Monthly and Bi-monthly GRACE Gravity Field Estimates; in: Marti, U. (eds.) Proceedings of the International Symposium on Gravity, Geoid and Height Systems (GGHS2012), Vol. IAG Symp. 141, pp 35-40, Springer, ISBN (Print) 978-3-319-10836-0, ISBN (Online) 978-3-319-10837-7, ISSN 0939-9585, DOI: 10.1007/978-3-319-10837-7, 2015.

2014

  • Rexer, M.; Hirt, C.: Comparison of free high resolution digital elevation data sets (ASTER GDEM2, SRTM v2.1/v4.1) and validation against accurate heights from the Australian National Gravity Database; Australian Journal of Earth Sciences, pp 1-15, DOI: 10.1080/08120099.2014.884983, 2014, Externer Link.

2013

  • Rexer, M.; Hirt, C.; Pail, R.; Claessens, S.: Evaluation of the third- and fourth-generation GOCE Earth gravity field models with Australian terrestrial gravity data in spherical harmonics; Journal of Geodesy, pp 1-15, Springer, DOI: 10.1007/s00190-013-0680-x, 2013, Externer Link.
  • Hirt, C.; Claessens, S.; Fecher, T.; Kuhn, M.; Pail, R.; Rexer, M.: New ultra-high resolution picture of Earth's gravity field; Geophysical Research Letters, Vol. 2013, DOI: 10.1002/grl.50838, 2013, Externer Link.
  • Pail, R.; Fecher, T.; Murböck, M.; Rexer, M.; Stetter, M.; Gruber, Th.; Stummer, C.: Impact of GOCE Level 1b data reprocessing on GOCE-only and combined gravity field models; Studia Geophysica et Geodaetica, Springer, ISSN 0039-3169, DOI: 10.1007/s11200-012-1149-8, 2013.

2012

  • Rexer, M.: Time-variable Gravity Field: Contributions of GOCE Gradiometer Data to Monthly and Bi-Monthly GRACE Gravity Field Estimates; Masterarbeit, Nr. D238, IAPG, 2012, Download.
  • Balss, Ulrich; Cong, X.Y.; Brcic, R.; Rexer, M.; Minet, C.; Breit, H.; Eineder, M.; Fritz, T.: High Precision Measurement on the Absolute Localization Accuracy of TerraSAR-X; Proc. IGARSS 2012, Munich, pp 1625 – 1628, 2012.

2010

  • Rexer, M.: Aufbau eines Katasters in Kambodscha; in: Thöne, K.-F. (eds.) DVW-Nachrichten, Vol. 60, Nr. 6, pp 90, 2010.


Vorträge  -> Seitenanfang

2016

  • Rexer, M.; Hirt, C.; Claessens, S.; Tenzer, R.: A framework for layer-based spectral forward modelling of Earth's gravitational field w.r.t. a reference sphere and a reference ellipsoid; International Symposium on Gravity, Geoid and Height System 2016 - 1st Joint Commission 2 and IGFS Meeting, Thessaloniki, 20.09.2016
  • Reußner, E.; Hirt, C.; Rexer, M.; Kuhn, M.: Characterisation of the gravity field generated by a degree-2160 topography model; International Symposium on Gravity, Geoid and Height System 2016 - 1st Joint Commission 2 and IGFS Meeting, Thessaloniki, 20.09.2016

2015

  • Rexer, M.; Hirt, C.; Claessens, S.: Extension of the SHTOOLS-Software-Package for ultra-high spherical harmonic computations - A step towards potential modelling to d/o 21,600; 26th IUGG General Assembly 2015, Prag, 30.06.2015

2014

  • Rexer, M.; Hirt, C.; Claessens, S.; Braitenberg, C.: Use of topography in the context of the GOCE satellite mission - some examples; 5th International GOCE User Workshop, Paris, 26.11.2014
  • Pail, R.; Rexer, M.: High-Resolution Gravity Field Modelling with the aid of GOCE satellite observations; TUM-IAS General Assembly, Garching, April 10-11, 2014, Garching, 10.04.2014

2013

  • Pail, R.; Rexer, M.; Horwath, M.; Horvath, A.; Fuchs, M.: Temporal Variations from GOCE for Improving Antarctic Ice Mass Trends; ESA Living Planet Symposium, Edinburgh, 11.09.2013
  • Bouman, J.; Fuchs, M.; Horwath, M.; Ivins, E.; Lieb, V.; Pail, R.; Rexer, M.; Schmidt, M.; Schrama, E.; Visser, P.; Van der Wal, W.: Ice mass changes in the West Antarctic from a combination of GRACE and GOCE; IAG Scientific Assembly 2013, Potsdam, 05.09.2013
  • Horwath, M.; Pail, R.; Rexer, M.; Horvath, A.; Sasgen, I.; Van den Broeke, M.: Towards the full exploitation of satellite gravimetry for ice mass balance and glacial isostatic adjustment in Antarctica; IAG Scientific Assembly 2013, Potsdam, 05.09.2013

2012

  • Rexer, M.; Pail, R.; Fecher, T.; Meyer, U.: Time variable gravity field: Contributions of GOCE data to monthly GRACE gravity field solutions; International Symposium on Gravity, Geoid and Height Systems GGHS 2012, Venice, 10.10.2012
  • Pail, R.; Fecher, T.; Murböck, M.; Rexer, M.; Stetter, M.; Gruber, Th.; Stummer, C.: Impact of GOCE Level 1B data reprocessing on combined GRACE+GOCE models; GRACE Science Team Meeting (GSTM) and Final Colloquium of the DFG Special Priority Program (SPP1257) "Mass Transport and Mass Distribution in the System Earth", Potsdam, 18.09.2012


Poster  -> Seitenanfang

2017

  • Rexer, M.; Schlicht, A.; Marz, S.; Pail, R.; Schack, P.: Improving GOCE gravity field products at the geomagnetic poles in the frame of the INSIGHT project; SPP 1788-Dynamic Earth Colloquium, Bremen, 15.06.2017, Download
  • Rexer, M.; Hirt, C.; Pail, R.: High-resolution global forward modelling - A degree-5480 global ellipsoidal topographic potential model; European Geosciences Union General Assembly 2017, Vienna, 25.04.2017, Download

2016

  • Hirt, C.; Rexer, M.: The 1 arc-min resolution Earth2014 global topography model; International Symposium on Gravity, Geoid and Height System 2016 - 1st Joint Commission 2 and IGFS Meeting, Thessaloniki, 19.09.2016
  • Hirt, C.; Pail, R.; Rexer, M.: Ultra-high resolution modelling of the Earth's gravity field; Living Planet Symposium 2016, Prag, 29.04.2016
  • Rexer, M.; Claessens, S.; Hirt, C.: Convergence in spectral forward modelling - Binominal series solution vs. direct integral solution at high degrees; European Geosciences Union General Assembly 2016, Wien, 21.04.2016, Download
  • Rexer, M.; Hirt, C.: Ultra-high degree spectral modelling of Earth and planetary topography; European Geosciences Union General Assembly 2016, Wien, 21.04.2016, Download

2015

  • Koronczay, D.; Bailey, R.; Bertone, S.; Credendino, S.; Kleinschneider, A.; Lanzky, M.; Łosiak, A.; Marcenat, C.; Martin, P.; Munoz Elorza, I.; Neidhart, T.; Rexer, M.; Wirnsberger, H.: The EvolVe mission concept - unveiling the evolution of Venus, EPSC2015-384; European Planetary Science Congress 2015, Nantes, France, 29.09.2015
  • Hirt, C.; Rexer, M.: The new Earth2014 suite of shape, topography, bedrock and ice-sheet models: available as 1-arcmin gridded data and degree-10,800 spherical harmonics; 26th IUGG General Assembly 2015, Prag, 29.06.2015
  • Rexer, M.; Hirt, C.: Estimating degree variances and omission errors at ultra-short scales - 2D-DFT spectral analysis of the topographic potential based on GGMplus gravity maps; 26th IUGG General Assembly 2015, Prag, 29.06.2015
  • Hirt, C.; Pail, R.; Rexer, M.: Ultra-high resolution modelling of the Earth's gravity field; TUM-IAS General Assembly, Garching, April 23-24, 2015, Garching, 23.04.2015
  • Fecher, T.; Pail, R.; Rexer, M.: Validation of GOCE Gravity Gradient Grids for Geophysical Applications; European Geosciences Union General Assembly 2015, Wien, 14.04.2015

2014

  • Schack, P.; Stummer, C.; Rexer, M.; Pail, R.; Gruber, Th.: Assessment of GOCE gradiometer data during low orbit mission phase; European Geosciences Union General Assembly, Wien, 01.05.2014, Download
  • Hirt, C.; Pail, R.; Rexer, M.: Ultra-high resolution modelling of the Earth's gravity field; TUM-IAS General Assembly, Garching, April 10-11, 2014, Garching, 10.04.2014

2013

  • Rexer, M.; Hirt, C.; Bonvalot, S.; Bruinsma, S.; Pail, R.; Kuhn, M.: Evaluation of GOCE satellite gravimetry using BGI ground gravity observations over Africa, Asia and South America; AGU Fall Meeting, San Francisco, 13.12.2013
  • Horwath, M.; Bouman, J.; Fuchs, M.; Lieb, V.; Schmidt, M.; Pail, R.; Rexer, M.; Ivins, E.; Schrama, E.J.; Visser, P.; van der Wal, W.: Ice mass changes in West Antarctica from satellite gravimetry: GOCE adds spatial resolution to GRACE; AGU Fall Meeting, San Francisco, 10.12.2013
  • Horwath, M.; Pail, R.; Rexer, M.; Horvath, A.; Sasgen, I.; van der Broeke, M.: Exploiting Satellite Gravimetry for Glacial Isostatic Adjustment and Ice Mass Trends in Antarctica (STSE Project REGINA); ESA Living Planet Symposium, Edinburgh, 10.09.2013
  • Hirt, C.; Kuhn, M.; Claessens, S.; Rexer, M.; Pail, R.; Fecher, T.: Local-­‐resolution gravity modelling on a global scale – towards a 200m-­‐resolution Earth gravity model; IAG Scientific Assembly 2013, Potsdam, 02.09.2013
  • Rexer, M.; Pail, R.; Horwath, M.; Horvath, A.: Temporal variations in GOCE gravity field models for improving Antarctic ice mass trends; IAG Scientific Assembly 2013, Potsdam, 02.09.2013

2012

  • Stummer, C.; Fecher, T.; Rexer, M.; Stetter, M.; Pail, R.: Enhanced GOCE gradiometer level 1b processing - Impact on satellite gravity gradiometry and combined gravity field models ; International Symposium on Gravity, Geoid and Height Systems GGHS 2012, Venice, 10.10.2012, Download
  • Siemes, C.; Stummer, C.; Fecher, T.; Rexer, M.; Haagmans, R.; Floberghagen, R.: Improved GOCE gradiometer Level 1b data processing – impact on gravity gradients and gravity field models; European Geosciences Union General Assembly 2012, Wien, 26.04.2012, Download


Betreute Arbeiten  -> Seitenanfang

2016

  • Bachelorarbeit Schramm, Sonja: Vergleich sphärisch-harmonischer Modelle des topographischen Gravitationspotentials; 2016.

2015

  • Masterarbeit Reußner, Elisabeth: Untersuchungen zur ultra-hochauflösenden Modellierung des topographischen Potentials mit spektralen Methoden; 2015.
  • Bachelorarbeit Zeitler, Lea: Taurus-Littrow-Valley: GRAIL zur Verifizierung der Mondschweremessungen von Apollo 17; 2015.

2014

  • Bachelorarbeit Niermeyer, Inka: Das Schwerefeld des Mondes; 2014.
  • Bachelorarbeit Stephan, Barbara: Bewertung aktueller und hochauflösender Modelle der Erdoberfläche - Topographie, Bathymetrie und Eiskappen; 2014.