Dr. Andreas Köhler
Department of Geosciences
University of Oslo
PO box 1047, Blindern
0316 Oslo
Norway
Email: 
Tel.: +47 2285 6678
Fax: +47 2285 4215
| Contact | |
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Dr. Andreas Köhler |
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| Education and Professional Experience | ||
| since 04/2012 | Researcher, University of Oslo | |
| 11/2011-01/2012 | Postdoctoral researcher, University of Aarhus | |
| 2009-2011 | Postdoctoral researcher, University of Oslo | |
| 2005-2009 | PhD student, University of Potsdam | |
| Juli, 2005 | Summerschool on Helioseismology, Solar Physics Division of the American Astronomical Society, Boulder, Colorado | |
| 1999 - 2004 | Diploma student (Geophysics), University of Potsdam | |
| Research Interests | ||
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Glacier-related seismicity |
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| Current Research | ||
| Seismic Monitoring of glacier activivty on Svalbard - SEISMOGLAC (project leader) | ||
| Previous Research | ||
| Surface wave tomography of southern Norway using ambient seismic noise | ||
| working in Project TopoScandiaDeep | ||
| Ph.D. thesis: Wellenfeldzerlegung der seismischen Bodenunruhe zur Identifizierung von relevanten Signalanteilen zur oberflächennahen Strukturerkundung (Ambient vibration wavefield decomposition: Identifying relevant signals for the imaging of subsurface structures), funded by the University of Potsdam | ||
| working in Project NERIES JRA5: Data mining tools | ||
| Diploma thesis: Analyse der natürlichen seismischen Bodenunruhe mithilfe der 3-Komponenten räumlichen Autokorrelationsmethode | ||
| working in Project SESAME and Project HADU | ||
| Publications | ||
| Köhler, A., Weidle, C., and Maupin, V. (2012). Crustal and uppermost mantle structure of southern Norway: Results from surface wave analysis of ambient seismic noise and earthquake data, Geophysical Journal International, 191(3), 1441-1456, 10.1111/j.1365-246X.2012.05698.x | ||
| Köhler, A., Chapuis A., Kohler J., Nuth C., and Weidle, C. (2012). Autonomous detection of calving-related seismicity at Kronebreen, Svalbard, The Cryosphere, 6, 393-406, 10.5194/tc-6-393-2012 | ||
| Köhler, A., Weidle, C., and Maupin, V. (2012). On the effect of topography on surface wave propagation in the ambient noise frequency range, Journal of Seismology, 16(2), 221-231, 10.1007/s10950-011-9264-5 | ||
| Köhler, A., Weidle, C., and Maupin, V. (2011). Directionality analysis and Rayleigh wave tomography of ambient seismic noise in southern Norway, Geophysical Journal International, 184(1), 287-300, 10.1111/j.1365-246X.2010.04830.x | ||
| Köhler, A., Ohrnberger, M., and Scherbaum, F. (2010). Unsupervised pattern recognition in continuous seismic wavefield records using Self-Organizing Maps, Geophysical Journal International, 182(3),1619-1630, 10.1111/j.1365-246X.2010.04709.x | ||
| Scherbaum, F., Kuehn, NM, Ohrnberger, M., Köhler, A. (2010). Exploring the proximity of ground-motion models using high-dimensional visualization techniques, Earthquake Spectra, 26(4) | ||
| Köhler, A., Ohrnberger, M., and Scherbaum, F. (2009). Unsupervised Feature Selection and General Pattern Discovery Using Self-Organzing Maps for Gaining Insights into the Nature of Seismic Wavefields, Computers and Geosciences, 35(9),1757-1767, 10.1016/j.cageo.2009.02.004 | ||
| Köhler, A., Ohrnberger, M., Scherbaum, F., Riggelsen, C., and Scherbaum, F. (2008). Unsupervised Feature Selection for Pattern search in Seismic Time Series, Journal of Machine Learning Research. In: Workshop and Conference Proceedings: New Challenges for Feature Selection in Data Mining and Knowledge Discovery, 4,106-121 | ||
| Bonnefoy-Claudet, S., Köhler, A., Cornou, C., Wathelet, M., and Bard, P.Y. (2008). Effects of Love Waves on Microtremor H/V Ratio, Bulletin of the Seismological Society of America, v. 98, no.1, 288-300, 10.1785/0120070063 | ||
| Köhler, A., Ohrnberger, M., Scherbaum, F., Wathelet, M., and Cornou, C. (2007). Assessing the reliability of the modified three-component spatial autocorrelation technique, Geophysical Journal International 168 (2), 779-796, 10.1111/j.1365-246X.2006.03253.x | ||
| Köhler A., Ohrnberger, M., Scherbaum, F., Stange, S., and Kind, F. (2004). Ambient vibration measurements in the southern Rhine Graben close to Basle, Annals of Geophysics, 47(6), pp. 1771-1781 | ||
| Papers submitted | ||
| Conference Papers | ||
| Köhler, A., Ohrnberger, M., Scherbaum, F. (2006). The relative fraction of Rayleigh and Love waves in ambient vibration wavefields at different european sites, Third International Symposium on the Effects of Surface Geology on Seismic Motion Grenoble, France, 30 August – 1 September 2006, Paper Number / Abstract ID : 83 | ||
| Conference Abstracts | ||
| Köhler, A.; Weidle, C., Maupin, V., Surface Wave Tomography of Southern Norway Using Ambient Seismic Noise, 32nd General Assembly of the European Seismological Commission, September 6-10, 2010, Montpellier | ||
| Köhler, A.; Weidle, C., Maupin, V., Ambient Seismic Noise Analysis in Southern Norway, 32nd General Assembly of the European Seismological Commission, September 6-10, 2010, Montpellier | ||
| Köhler, A.;Chapuis, A., Nuth, C., Weidle, C., Searching for glacier-induced seismic events using an unsupervised pattern recognition scheme based on Self-Organizing Maps, 32nd General Assembly of the European Seismological Commission, September 6-10, 2010, Montpellier | ||
| Köhler, A.; Weidle, C., Maupin, V., Ambient Seismic Noise Tomography of Southern Norway, EGU General Assembly, Mai, 2010, Vienna, Geophysical Research Abstracts, Vol. 12, 04049-1, 2010 | ||
| Köhler, A.; Weidle, C., Maupin, V., Cross-Correlation of Ambient Seismic Noise in Southern Norway, ID-4: Geodynamics of Scandinavian: deep processes and surface response, 29th Nordic Geological Winter Meeting, Oslo 11-13 Jan. 2010 | ||
| Köhler, A.; Ohrnberger, M.; Scherbaum, F., Unsupervised Feature Selection for Seismic Phase Detection and Event Classification using Self-Organizing Maps and Significance Testing, EGU General Assembly, 2008, Vienna, Geophysical Research Abstracts, Vol. 10, 06335, 2008 | ||
| Köhler, A.; Ohrnberger, M.; Scherbaum, F., Clustering of seismic signals in wavefields of complex composition using self-organizing maps, EGU General Assembly, 15-20 April, 2007, Vienna, Geophysical Research Abstracts, Vol. 9, 06321, 2007 | ||
| Riggelsen, C; Ohrnberger, M; Scherbaum, F; Koehler, A., Graphical Models for Automatic Seismic Signal Classification, EGU General Assembly, 15-20 April, 2007, Vienna, Geophysical Research Abstracts, Vol. 9, 07758, 2007 | ||
| Köhler, A., Ohrnberger, M., Scherbaum, F., Wathelet, M., and Cornou, C., 2005: Assessing the reliability of the modified 3-component spatial autocorrelation technique Geophysical Research Abstracts, Vol. 7, 04056, 2005 (SRef-ID: 1607-7962/gra/EGU05-A-04056) | ||
| Köhler A., Ohrnberger, M., Scherbaum, F., Stange, S., and Kind, F., 2004: Ambient vibration measurements in the southern Rhine Graben close to Basle, European Seismological Commission XXIX General Assembly, SCF-3, Potsdam, Germany, September 12-17, 2004. | ||