Address	Pohligstr. 3, 50969 Köln
Room	3.237
Phone	+49 (0)221 470-2840
Fax	+49 (0)221 470-5198
Mail	wittkegeo.uni-koeln.de

Research Topics

• Numerical Modeling for Electromagnetic Methods
• Near Surface Geophysics
  RMT, ERT, TEM
• Meshfree Methods

Projects

• Integration of geophysical, hydrogeological and geotechnical methods to aid monitoring landslides in Nordic Countries: A 4D approach for landslide risk assessment.
  Geoscientists Without Borders
  Uppsala University, Department of Earth Sciences, Sweden

Bachelor Thesis

Wittke, J. (2010): Kartierung einer römischen Wasserleitung mittels RMT, VLF und Eigenpotential. Institut für Geophysik und Meteorologie, Universität zu Köln.

Master Thesis

Wittke, J. (2012): Eine neue gitterfreie Methode in der magnetotellurischen Modellierung. Institut für Geophysik und Meteorologie, Universität zu Köln.

Doctoral Thesis

Wittke, J. (2017): Meshless methods for Maxwell's equations with applications to magnetotelluric modelling and inversion. Institut für Geophysik und Meteorologie, Universität zu Köln.

 

Awards and Honors

2017    GSGS Fellowship Grant, Graduate School of Geosciences (GSGS) University of Cologne

2016/2017    SEG / Gerald W. Hohmann Scholarship

2016    Travel Grant, Graduate School of Geosciences (GSGS) University of Cologne for traveling to Chiang Mai, Thailand

2015    Travel Grant, Graduate School of Geosciences (GSGS) University of Cologne for traveling to Auckland, New Zealand

2013    Deutschlandstipendium, Scholarship of the state North Rhine-Westphalia, Germany

2013    Travel Grant, German Academic Exchange Service ( DAAD) for traveling to Seattle, USA

2013    Award at the annual conference of the German Geophysical Society for the best oral talk: „A new meshless method for modeling magnetotelluric fields"

 

Field experiments

Field campaigns since 2008  Switzerland, Sweden, Germany, Belgium, Israel, Jordan, Netherlands

 

Research Cruises

2016 – 6 Days     Marine EM survey, Israel, Mediterranean Sea

2012 – 5 Days     Marine LOTEM survey, Israel, Mediterranean Sea

 

Professional Societies

German Geophysical Society (DGG), Society of Exploration Geophysicists (SEG), IEEE

 

Publications

Peer-reviewed	J. Wittke and B. Tezkan, „Meshfree magnetotelluric modelling“, Geophys. J. Int. (August, 2014), 198 (2): 1255-1268 doi:10.1093/gji/ggu207
Unrefereed	J. Wittke and B. Tezkan, „A new meshfree method for magnetotelluric modelling“, in Protokoll über das 24. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung, 2011, pp. 310–319
Selected Abstracts	J. Wittke, „Direct three-dimensional meshless magnetotelluric modeling”, Eighth International Workshop Meshfree Methods for Partial Differential Equations, Bonn, Germany, 2015 J. Wittke, B. Tezkan, „Direct three-dimensional meshless magnetotelluric modeling”,6th International Conference on Computational Methods (ICCM2015) , Auckland, New Zealand, 2015 J. Wittke, B. Tezkan, „Direct three-dimensional meshless magnetotelluric modeling”,75. Tagung der Deutschen Geophysikalischen Gesellschaft, Hannover, Germany, 2015 J. Wittke, B. Tezkan, „Direct meshless magnetotelluric modeling”,22nd EM Induction Workshop, Weimar Germany, 2014 J. Wittke, B. Tezkan, „Direct MLPG modeling of electromagnetic geophysical data”,International Conference on Computational & Experimental Engineering and SciencesChangwon, Korea, 2014 J. Wittke, B. Tezkan, „Direct meshless magnetotelluric modeling”,74. Tagung der Deutschen Geophysikalischen Gesellschaft, Karlsruhe, Germany, 2014 J. Wittke, B. Tezkan, „Advanced Magnetotelluric Meshfree Modeling”,25th Schmucker-Weidelt-Colloquium on deep electromagnetic sounding, Kirchhundem Rahrbach, Germany, 2014 J. Wittke, B. Tezkan, „Meshfree MLPG modeling of magnetotelluric data: a new modeling tool in numerical geophysics“,International Conference on Computational & Experimental Engineering and Sciences, ICCESMM Seattle 2013 J. Wittke, B. Tezkan, „Eine gitterfreie Methode zur zweidimensionalen Vorwärtsmodellierung magnetotellurischer Felder“,73. Tagung der Deutschen Geophysikalischen Gesellschaft, Leibzig, Germany, 2013