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Technische Universität München

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Institut für Astronomische und Physikalische Geodäsie

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Dr.-Ing. Christian Hirt


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

Raum: 2621
Tel: +49 89 / 289 231 98
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E-Mail: c.hirt@tum.de
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Gehe zu: Forschungsprojekte | Publikationen | Vorträge | Poster | Betreute Arbeiten

Forschungsprojekte  -> Seitenanfang



Publikationen  -> Seitenanfang

2017

  • Hirt, C.; Kuhn, M.: Convergence and divergence in spherical harmonic series of the gravitational field generated by high‐resolution planetary topography – a case study for the Moon.; Journal of Geophysical Research – Planets, Vol. 2017, Nr. 122, Wiley, DOI: 10.1002/2017JE005298, 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.
  • 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.; 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.
  • Hirt, C.: Topographische Modellierung des Gravitationsfeldes; in: Freeden, W.; Rummel, R. (eds.) Handbuch der Geodäsie, Springer, Berlin, New York, ISBN (Print) 978-3-662-46900-2, DOI: 10.1007/978-3-662-46900-2_9-1, 2016, Externer Link.
  • Hirt, C.: Gravity Forward Modelling; in: Grafarend, E. (eds.) Encyclopedia of Geodesy, Springer, Berlin, New York, ISBN (Print) 978-3-319-01868-3, DOI: 10.1007/978-3-319-02370-0_106-1, 2016, Externer Link.
  • Kuhn, M.; Hirt, C.: Topographic gravitational potential up to second-order derivatives: an examination of approximation errors caused by rock-equivalent topography (RET); Journal of Geodesy, Vol. 90, Springer, Berlin, Heidelberg, ISSN 0949-7714, ISSN (Online) 1432-1394, DOI: 10.1007/s00190-016-0917-6, 2016.
  • Hirt, C.: Digital Terrain Models; in: Grafarend, E. (eds.) Encyclopedia of Geodesy, Springer, Berlin, New York, ISBN (Print) 978-3-319-01868-3, DOI: 10.1007/978-3-319-02370-0_31-1, 2016, Externer Link.
  • Hauk, M.; Hirt, C.; Ackermann, C.: Experiences with the QDaedalus system for astrogeodetic determination of deflections of the vertical; Survey Review, Vol. 48, ISSN 0039-6265, ISSN (Online) 1752-2706, DOI: 10.1080/00396265.2016.1171960, 2016, Externer Link.
  • 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.
  • Tenzer, R.; Hirt, C.; Novák, P.; Pitonák, M.; Šprlák, M.: Contribution of mass density heterogeneities to the quasigeoid-to-geoid separation; Journal of Geodesy, Vol. 90, Heft 1, pp 65-80, Springer, ISSN 0949-7714, ISSN (Online) 1432-1394, DOI: 10.1007/s00190-015-0858-5, 2016, Externer Link.

2015

  • Tenzer, R.; Hirt, C.; Claessens, S.J.; Novák, P.: Spatial and spectral representations of the geoid-to-quasigeoid correction; Surveys in Geophysics, Vol. 36, Nr. 5, Heft 627-658, DOI: doi: 10.1007/s10712-015- 9337-z., 2015.
  • Claessens, S.J.; Hirt, C.: A surface spherical harmonic expansion of gravity anomalies on the ellipsoid; Journal of Geodesy, Vol. 89, Heft 10, pp 1035-1048, DOI: doi: 10.1007/s00190-015-0832-2., 2015, Externer Link.
  • 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.

2014

  • Hirt, C.; Kuhn, M.; Claessens, S.; Pail, R.; Seitz, K.; Gruber, Th.: Study of the Earth׳s short-scale gravity field using the ERTM2160 gravity model ; Computers & Geosciences, Vol. 73, pp 71-80, Elsevier, ISSN 0098-3004, DOI: 10.1016/j.cageo.2014.09.001, 2014, Externer Link.
  • Hirt, C.; Kuhn, M.: A band-limited topographic mass distribution generates a full-spectrum gravity field – gravity forward modelling in the spectral and spatial domain revisited; Journal of Geophysical Research (JGR) – Solid Earth, Vol. 119, Heft 4, pp 3646–3661, DOI: doi: 10.1002/2013JB010900, 2014, Externer Link.
  • 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.
  • Hirt, C.: GOCE’s view below the ice of Antarctica: Satellite gravimetry confirms improvements in Bedmap2 bedrock knowledge; Geophysical Research Letters, Vol. 41, Heft 14, pp 5021- 5028, DOI: doi: 10.1002/2014GL060636, 2014, Externer Link.
  • Hirt, C.; Papp, G.; Pal, A.; Benedek, J.; Szucs, E.: Expected accuracy of tilt measurements on a novel hexapod-based Digital Zenith Camera System – a Monte Carlo simulation study; Measurement Science Technology, Vol. 25, Nr. 085004, DOI: doi:10.1088/0957- 0233/25/8/085004., 2014, Externer Link.

2013

  • Hirt, C.: RTM gravity forward-modeling using topography/bathymetry data to improve high-degree global geopotential models in the coastal zone; Marine Geodesy , Vol. 36, Heft 2, pp 1-20, DOI: doi: 10.1080/01490419.2013.779334., 2013, Externer Link.
  • Filmer, M.S.; Hirt, C.; Featherstone, W.E.: Error sources and data limitations for the prediction of surface gravity: a case study using benchmarks; Studia Geophysica and Geodetica , Vol. 57, pp 47-66, DOI: doi: 10.1007/s11200-012-1114-6, 2013, Externer Link.
  • Featherstone, W.E.; Hirt, C.; Kuhn, M.: Band-limited Bouguer gravity identifies new basins on the Moon; Journal Geophysical Research (JGR) - Planets , Vol. 118, pp 1-17, DOI: doi:10.1002/jgre.20101., 2013, Externer Link.
  • 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.
  • Claessens, S.J.; Hirt, C.: Ellipsoidal topographic potential - new solutions for spectral forward gravity modelling of topography with respect to a reference ellipsoid; Journal of Geophysical Research (JGR) – Solid Earth, Vol. 118, DOI: 10.1002/2013JB010457, 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.
  • Vaníček, P.; Kingdon, R.; Kuhn, M.; Ellmann, A.; Featherstone, W.E.; Santos, M.C.; Martinec, Z.; Hirt, C.; Avalos, D.: Testing Stokes-Helmert geoid model computation on a synthetic gravity field: experiences and shortcomings; Studia Geophysica and Geodetica, Vol. 57, Heft 2, pp 369-400, DOI: doi: 10.1007/s11200- 012-0239-y, 2013, Externer Link.

2012

  • Hirt, C.; Featherstone, W.E.: A 1.5 km-resolution gravity field model of the Moon.; Earth Planet Science Letters, Vol. 329-330, pp 22-30, DOI: doi:10.1016/j.epsl.2012.02.012, 2012, Externer Link.
  • Hirt, C.; Kuhn, M.: Evaluation of high-degree series expansions of the topographic potential to higher-order powers; Journal Geophysical Research (JGR) – Solid Earth, Vol. 117, pp B12407, DOI: doi:10.1029/2012JB009492, 2012, Externer Link.
  • Hirt, C.; Claessens, S.J.; Kuhn, M.; Featherstone, W.E.: Indirect evaluation of Mars Gravity Model 2011 using a replication experiment on Earth.; Studia Geophysica and Geodetica, Vol. 56, pp 957-975, DOI: doi: 10.1007/s11200-011-0468-5, 2012, Externer Link.
  • Hirt, C.; Kuhn, M.; Featherstone, W.E.; Göttl, F.: Topographic/isostatic evaluation of newgeneration GOCE gravity field models; , Journal Geophysical Research (JGR) – Solid Earth, Vol. 117, pp B05407, DOI: doi:10.1029/2011JB008878., 2012, Externer Link.
  • Hirt, C.; Claessens, S.J.; Kuhn, M.; Featherstone, W.E.: Kilometer-resolution gravity field of Mars: MGM2011; Planetary and Space Science, Vol. 67, Heft 1, pp 147–154, DOI: doi: 10.1016/j.pss.2012.02.006, 2012, Externer Link.
  • Hirt, C.: Efficient and accurate high-degree spherical harmonic synthesis of gravity field functionals at the Earth's surface using the gradient approach. ; Journal of Geodesy, Vol. 86, Heft 9, pp 729-744, DOI: doi: 10.1007/s00190-012-0550-y., 2012, Externer Link.
  • Featherstone, W.E.; Filmer, M.S.; Claessens, S.J.; Kuhn, M.; Hirt, C.; Kirby, J.F.: Regional Geoid-based Vertical Datums - Some Australian Perspectives; Journal of Geodetic Science, Special Issue on Vertical Datum, Vol. 4, Heft 2, pp 370-376, DOI: doi: 10.2478/v10156-012-0006-6., 2012, Externer Link.
  • Hirt, C.: Anomalous atmospheric refraction and comments on "fast and accurate determination of astronomical coordinates …" (Balodimos et al. 2003, Survey Review 37,290:269-275) ; Survey Review, Vol. 44, Heft 327, pp 285-289, DOI: doi: 10.1179/ 1752270612Y.0000000006, 2012, Externer Link.

2011

  • Featherstone, W.E.; Kirby, J.F.; Hirt, C.; Filmer, M.S.; Claessens, S.J.; Brown, N.J.; Hu, G.; Johnston, G.M.: The AUSGeoid09 model of the Australian Height Datum; Journal of Geodesy, Vol. 85, Heft 2, pp 133-150, DOI: doi: 10.1007/s00190-010-0422-2, 2011, Externer Link.
  • Hirt, C.: Assessment of EGM2008 over Germany using accurate quasigeoid heights from vertical deflections, GCG05 and GPS/levelling. ; Zeitschrift für Geodäsie, Geoinformation und Landmanagement , Vol. 136, Heft 3, pp 138-149, 2011, Externer Link.
  • Hirt, C.; Featherstone, W.E.; Claessens, S.J.: On the accurate numerical evaluation of geodetic convolution integrals; Journal of Geodesy , Vol. 85, Heft 8, pp 519-538, DOI: doi: 10.1007/s00190-011-0451-5, 2011, Externer Link.
  • Hirt, C.: Mean kernels to improve gravimetric geoid determination based on modified Stokes’s integration; Computers & Geosciences , Vol. 37, Heft 11, pp 1836-1842, DOI: doi:10.1016/j.cageo.2011.01.005., 2011, Externer Link.
  • Hirt, C.; Claessens, S.J.: Ellipsoidal area mean gravity anomalies – precise computation of gravity anomaly reference fields for remove-compute-restore geoid computation; Studia Geophysica and Geodetica, Vol. 55, Heft 4, pp 589-607, DOI: doi:10.1007/s11200-010-0070-2., 2011, Externer Link.
  • Claessens, S.J.; Hirt, C.; Amos, M.J.; Featherstone, W.E.; Kirby, J.F.: The NZGEOID09 New Zealand quasigeoid model; Survey Review, Vol. 43, Heft 319, pp 2-15, DOI: doi: 10.1179/003962610X12747001420780, 2011, Externer Link.
  • Hirt, C.; Gruber, T.; Featherstone, W. E.: Evaluation of the first GOCE static gravity field models using terrestrial gravity, vertical deflections and EGM2008 quasigeoid heights; Journal of Geodesy, Vol. 85, Nr. 10, pp 723-740, Springer, ISSN 0949-7714, DOI: 10.1007/s00190-011-0482-y, 2011, Externer Link.
  • Hirt, C.; Schmitz, M.; Feldmann-Westendorff, U.; Wübbena, G.; Jahn, C.-H.; Seeber, G.: Mutual validation of GNSS height measurements from high-precision geometric-astronomical levelling,; GPS Solutions, Vol. 15, Heft 2, pp 149-159, DOI: doi 10.1007/s10291-010-0179-3, 2011, Externer Link.

2010

  • Hirt, C.; Marti, U.; Bürki, B.; Featherstone, W.E.: Assessment of EGM2008 in Europe using accurate astrogeodetic vertical deflections and omission error estimates from SRTM/DTM2006.0 residual terrain model data; Journal Geophysical Research (JGR) – Solid Earth, Vol. 115, pp B10404, DOI: doi:10.1029/2009JB007057, 2010, Externer Link.
  • Hirt, C.; Guillaume, S.; Wisbar, A.; Bürki, B.; Sternberg, H.: Monitoring of the refraction coefficient of the lower atmosphere using a controlled set-up of simultaneous reciprocal vertical angle measurements; Journal of Geophysical Research (JGR) - Atmospheres, Vol. 115, pp D21102, DOI: doi:10.1029/2010JD014067, 2010, Externer Link.
  • Hirt, C.; Featherstone, W.E.; Marti, U.: Combining EGM2008 and SRTM/DTM2006.0 residual terrain model data to improve quasigeoid computations in mountainous areas devoid of gravity data; Journal of Geodesy, Vol. 84, Heft 9, pp 557-567, DOI: doi: 10.1007/s00190-010-0395-1, 2010, Externer Link.
  • Hirt, C.; Filmer, M.S.; Featherstone, W.E.: Comparison and validation of recent freelyavailable ASTER-GDEM ver1, SRTM ver4.1 and GEODATA DEM-9S ver3 digital elevation models over Australia; Australian Journal of Earth Sciences , Vol. 57, Heft 3, pp 337 -347, DOI: doi: 10.1080/08120091003677553, 2010, Externer Link.
  • Hirt, C.; Bürki, B.; Somieski, A.; Seeber, G.: Modern determination of vertical deflections using digital zenith cameras; Journal Surveying Engineering , Vol. 136, Heft 1, pp 1-12, DOI: doi:10.1061/_ASCE_SU.1943-5428.0000009., 2010, Externer Link.
  • Hirt, C.: Prediction of vertical deflections from high-degree spherical harmonic synthesis and residual terrain model data; Journal of Geodesy , Vol. 84, Heft 3, pp 179-190, DOI: doi:10.1007/s00190-009- 0354-x, 2010, Externer Link.

2009

  • Flury, J.; Gerlach, C.; Hirt, C.; Schirmer, U.: Heights in the Bavarian Alps: mutual validation of GPS, levelling, gravimetric and astrogeodetic quasigeoids; in: Drewes, H. (eds.) Geodetic Reference Frames, IAG Symposia, Vol. 134, pp 303-308, Springer, ISBN (Print) 978-3-642-00859-7, ISBN (Online) 978-3-642-00860-3, ISSN 0939-9585, DOI: 10.1007/978-3-642-00860-3_47, 2009.

2008

  • Hirt, C.; Flury, J.: Astronomical-topographic levelling using high-precision astrogeodetic vertical deflections and digital terrain model data; Journal of Geodesy, Vol. 82, Nr. 4-5, pp 231-248, Springer, ISSN 0949-7714, DOI: 10.1007/s00190-007-0173-x, 2008.

2007

  • Hirt, C.; Denker, H.; Flury, J.; Lindau, A.; Seeber, G.: Astrogeodetic validation of gravimetric quasigeoid models in the German Alps - first results; Proceedings of the 1st International Symposium of the International Gravity Field Service, Istanbul 2006, Harita Dergisi, Special Issue, Nr. 18, pp 84-89, ISSN 1300-5790, 2007, Externer Link, Download.


Vorträge  -> Seitenanfang

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
  • 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

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


Poster  -> Seitenanfang

2017

  • 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

  • Kuhn, M.; Hirt, C.: Examination of approximation by Rock-Equivalent Topography (RET)for the topographic gravitational potential and its first and second derivatives; International Symposium on Gravity, Geoid and Height System 2016 - 1st Joint Commission 2 and IGFS Meeting, Thessaloniki, 19.09.2016
  • 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

  • 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

2014

  • Hauk, M.; Ackermann, C.; Hirt, C.: Erprobung des astrogeodätischen Messsystems QDaedalus zur Bestimmung von genauen Lotabweichungen; Geodätische Woche, Berlin, 08.10.2014, 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
  • 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


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.

2014

  • Masterarbeit Hauk, Markus: Erprobung des astrogeodätischen Messsystems QDaedalus zur Bestimmung von genauen Lotabweichungen; 2014.
  • Bachelorarbeit Stephan, Barbara: Bewertung aktueller und hochauflösender Modelle der Erdoberfläche - Topographie, Bathymetrie und Eiskappen; 2014.