Dr. Pritam Yogeshwar

Address	Pohligstr. 3, 50969 Köln
Room	3.233
Phone	+49 (0)221 470-6127
Fax	+49 (0)221 470-5198
Mail	yogeshwargeo.uni-koeln.de

Research Topics

Geophysical electromagnetic induction methods for shallow, intermediate and deep Earth’s
studies; (Transient Electromagnetics, Radiomagnetotelluric, Direct Current Resistivity)
Deep Electromagnetic Sounding for Mineral Exploration using LOTEM and innovative
semi-airborne techniques
Environmental, Engineering and Groundwater Geophysics
Geophysical inverse problems and forward modelling

Projects

Co-Coordinator/Co-Applicant in various joint-collaborative research projects focusing on
numerical geophysical modeling, geophysical exploration and survey design as well as
application/interpretation of geophysical methods

Groundwater contamination due to waste disposal and aquifer characterization around Roorkee
using integrated Geolelectric techniques
CRC 806 - Our Way To Europe. Late Quaternary High-Resolution Climate Archives in the
Sahara
Detection of fresh groundwater bodies offshore Israel
DESMEX: Deep Electromagnetic Sounding for Mineral Exploration
CRC 1211 - Earth Evolution at the Dry Limit. Gephysical Studies to investigate sedimentady
deposits in Atacama Desert, Chile
3D CSRMT - Processing, modeling and inversion for far, near and transition zone data from
selected targets in Russia
Imaging and Characterization of the Furnas Caldera, Sao Miguel, Azores Islands

For more information on the projects see here.

PhD / Diploma Thesis

Yogeshwar, P. (2014): A resistivity-depth model of the central Azraq basin area, Jordan: 2D forward and inverse modeling of time domain electromagnetic data. Institut für Geophysik und Meteorologie, PhD thesis, Universität zu Köln.
Yogeshwar, P. (2010): Grundwasserkontamination bei Roorkee/ Indien: 2D Joint Inversion von
Radiomagnetotellurik und Gleichstromgeoelektrik daten. Institut für Geophysik and Meteorologie,
Diploma thesis, Universität zu Köln.

Teaching

Co-supervisor/advisor of several BSc, MSc and PhD related research projects related to
various geophysical methods and research focus
Teaching includes BSc and MSc modules in Geophysics: Applied Geophysics, Engineering
and Environmental Geophysics, Platetectonics and Geophysical Exploration Methods,
Direct Current and Electromagnetic Exploration Methods, Inverse Modeling, Introduction to
Environmental Geophysics

Awards and Honors

2014/15	Albertus-Magnus teaching award of the University of Cologne
2015	Teaching award of the Sudent Council of the IGM, University of Cologne
2016	Travel Grant, German Academic Exchange Service ( DAAD) for 24 th Electromagnetic Induction Workshop, Chiang Mai, Thailand
2017	DFG Travel Grant, Invited Speaker/German Delegate fot the 2 nd Sino-German Workshop in Xingdao, China

Some Invited talks

11/2017	Invited talk at the 2 nd Sino-German Workshop on Electromagnetic Induction, Xingdao, China
01/2016	Invited speaker in the geoscientific colloquium at the Johann-Wolgang-Goethe Universität Frankfurt a.M.
01/2017	Invited speaker at the Winterschool of the faculty of natural sciences of the University of Heidelberg in Obergurgl/Austria in January 2017: three hour lecture on near surface geophysical methods for groundwater investigations

Some Further activities

Coordination of various small, intermediate and large scale field surveys for various geoelectric
and electromagnetic methods (Surveys in Germany, India, Greece, Albania, Jordan, Ethiopia,
Israel, Chile, Sweden, Russia, etc.)
Offshore receiver operator and QC for vertical line EM system, Petromarker/Stavanger
Organization of the 25th Schmucker-Weidelt colloquium on deep electromagnetic sounding,
Olpe, 2013
Organization of the near surface RMT/TEM post-workshop in the frame of the 22 nd International
Workshop on Electromagnetic Induction in the Earth to be held in Weimar, Germany, in 2014
Reviewer for international journals
member of the European Geoscience Union EGU
German Geophysical Society (DGG), Society of Exploration Geophysicists (SEG), IEEE

Publications

Peer-reviewed

Smirnova, M., Juhojuntti, N., Becken, M., Smirnov, M. & DESMEX-WG (2020). Exploring Kiruna iron ore fields with large-scale, semi-airborne, controlled-source electromagnetics. First Break, 38(10), 35-40. (P. Yogeshwar, W. Mörbe, B. Tezkan as part of DESMEX-WG) https://doi.org/10.3997/2214-4609.201902446
M. Smirnova, N. Juhojuntti, M. Becken, M. Smirnov, P. Yogeshwar, A. Steuer, R. Rochlitz and M. Schiffler (2019). Combined 3D Inversion of Ground and Airborne Electromagnetic Data over Iron Ore in Kiruna. In 25th European Meeting of Environmental and Engineering Geophysics (Vol. 2019, No. 1, pp. 1-5). European Association of Geoscientists & Engineers. https://doi.org/10.3997/2214-4609.201902446
M. Becken, C. G. Nittinger, M. Smirnova, A. Steuer, T. Martin, H. Petersen, U. Meyer, W. Mörbe, P. Yogeshwar, B. Tezkan, U. Matzander, B. Friedrichs, R. Rochlitz, T. Günther, M. Schiffler, R. Stolz, and the DESMEX Working Group (2020). DESMEX: A novel system development for semi-airborne electromagnetic exploration. Geophysics, 85(6), 1-49.
https://doi.org/10.1190/geo2019-0336.1
Annika Steuer, Maria Smirnova, Michael Becken, Markus Schiffler, Thomas Günther, Raphael Rochlitz, Pritam Yogeshwar, Wiebke Mörbe, Bernhard Siemon, Stephan Costabel, Benedikt Preugschat, Malte Ibs-von Seht, Luigi Sante Zampa, Franz Müller (2020). Comparison of novel semi-airborne electromagnetic data with multi-scale geophysical, petrophysical and geological data from Schleiz, Germany. Journal of Applied Geophysics, 182, 104172.https://doi.org/10.1016/j.jappgeo.2020.104172
Peng, R., Yogeshwar, P., Liu, Y., & Hu, X. (2020). Transdimensional Markov Chain Monte Carlo joint inversion of direct current resistivity and transient electromagnetic data. Geophysical Journal International. https://doi.org/10.1093/gji/ggaa535
Audenrieth, I., Martin, R., Yogeshwar, P. and Willig, D. (2020), Analysis of measurement errors from electrical resistivity imaging investigation of First World War mining tunnels in La Boisselle, France. Near Surface Geophysics. Accepted Author Manuscript. doi:10.1002/nsg.12105
Yajun Liu, Pritam Yogeshwar, Xiangyun Hu, Ronghua Peng, Bülent Tezkan, Wiebke Mörbe, Jianhui Li (2020), Effects of electrical anisotropy on long-offset transient electromagnetic data, Geophysical Journal International, https://doi.org/10.1093/gji/ggaa213
Mörbe, W., Yogeshwar, P., Tezkan, B. and Hanstein, T. (2020), Deep exploration using long‐offset transient electromagnetics: Interpretation of field data in time and frequency domain. Geophysical Prospecting. doi:10.1111/1365-2478.12957
Pritam Yogeshwar, Mira Küpper, Bülent Tezkan, Volker Rath, Duygu Kiyan, Svetlana Byrdina, José Cruz, César Andrade, and Fatima Viveiros, (2020), "Innovative boat-towed transient electromagnetics — Investigation of the Furnas volcanic lake hydrothermal system, Azores," GEOPHYSICS 85: E41-E56, https://doi.org/10.1190/geo2019-0292.1
Devi, A., Israil, M., Singh, A., Gupta, P. K., Yogeshwar, P., & Tezkan, B. (2020). Imaging of groundwater contamination using 3D joint inversion of electrical resistivity tomography and radio magnetotelluric data: A case study from Northern India. Near Surface Geophysics,https://doi.org/10.1002/nsg.12092
Liu, Y., Hu, X., Peng, R., Yogeshwar, P., 2018. 3D forward modeling and analysis for loop-source transient electromagnetic method based on finite-volume method for an arbitrarily anisotropy earth, Chinese Journal of Geophysics, accepted
Cherevatova, M., Becken, M, Nittinger, C., Yogeshwar, P., Moerbe, W. Rochlitz, R. Steuer, A.
Costabel, S. Smirnov, M., 2018. A novel semi-airborne frequency-domain CSEM system. Three-
dimensional inversion of semi-airborne data from the flight experiment over an ancient mining
area near Schleiz, Germany, submitted to Geophysics
Yogeshwar, P., Hamacher, S., Reçi, H., Hauck, T., Onuzi, K. and Tezkan, B., 2018. Investigating
Sedimentological Architecture Using Electrical Resistivity Tomography: A Case Study from the
Archaeological Open-Air Site Shën Mitri, Southern Albania Pure Appl. Geophysics,
https://doi.org/10.1007/s00024-018-1987-6
Rochlitz, R., Queitsch, M., Yogeshwar, P., Günther, T., Chwala, A., Janser, S., Kukowski, N. &
Stolz, R. , 2018. Capability of Low-Temperature SQUID for Transient Electromagnetics under
Anthropogenic Noise Conditions. Geophysics, 83(6), 1-53.
Yogeshwar, P. and Tezkan, B., 2018. Analyzing two-dimensional effects in central loop transient
electromagnetic sounding data using a semi-synthetic tipper approach, Geophysical Prospecting,
66, 444-456.
Yogeshwar, P. & Tezkan, B., 2017. Two-dimensional basement modeling of central loop transient
electromagnetic data from the central Azraq basin area, Jordan, Journal of Applied Geophysics,
136, 198–210.
Yogeshwar, P., 2014. A resistivity-depth model of the central Azraq basin area, Jordan: 2D
forward and inverse modeling of time domain electromagnetic data, Ph.D. thesis, Universität zu
Köln, Institut für Geophysik und Meteorologie.
Yogeshwar, P., Haroon, A. & Tezkan, B., 2013. Investigation of the Azraq sedimentary basin,
Jordan using integrated geoelectrical and electromagnetic techniques, Near Surface Geophysics,
11, 283–291.
Yogeshwar, P., Israil, M., Candansayar, M. & Tezkan, B., 2012. Groundwater contamination in
the Roorkee area, India: 2D joint inversion of radiomagnetotelluric and direct current resistivity
data, Journal of Applied Geophysics, 76, 127-135.
Goldman, M., Levi, E., Yogeshwar, P. & Tezkan, B., 2011. The 2-D coastal effect on marine time
domain electromagnetic (TDEM) measurements using broadside dBz/dt of an electrical,
transmitter dipole, Geophysics, 76, 101–109.

Selected Conference Abstracts 2018

Cherevatova, M., C. Nittinger, M. Becken, P. Yogeshwar, W. Moerbe, B. Tezkan, R. Rochlitz, T. Guenther, H. Petersen, U. Meyer, A. Steuer, T. Martin, B. Siemon, U. Matzander, B. Friedrichs, R. Stolz, R. Schiffler, V. Zarosarenko, T. Seifert, P. Krolop, and the DESMEX group (2018). Three-dimensional inversion of the semi-airborne data collected over ancient antimony mine in eastern Germany. In: Geophysical Research Abstracts, European Geophysical Union General Assembly, Vienna, Austria. Vol. 20.
Küpper, M., P. Yogeshwar, B. Tezkan, V. Rath, D. Kiyan, C. Hogg, S. Byrdina, J. V. Cruz, C.
Andrade, R. Branco, and F. Viveiros (2018). Transient electromagnetic measurements using a
floating setup on the volcanic lake ”Lagoa das Furnas”, Sao Miguel (Azores): Investigation of the
hydrothermal system. In: Geophysical Research Abstracts, European Geophysical Union General
Assembly, Vienna, Austria. Vol. 20.
Morbe, W., P. Yogeshwar, and B. Tezkan (2018). Investigation of deep mineral deposits in
Germany: Multidimensional Inversion of long offset CSEM data in time and frequency domain.In: proceedings of the 24th Electromagnetic Induction Workshop, Denmark.
Yogeshwar, P., M. Kupper, B. Tezkan, R. Bergers, V. Rath, D. Kiyan, C. Hogg, S. Byrdina, J.
Cruz, C. Andrade, and F. Viveiros (2018a). A floating transient electromagnetic system to acquire
dense data on volcanic lakes. In: Geophysical Research Abstracts, European Geophysical Union
General Assembly, Vienna, Austria. Vol. 20. (poster)
Yogeshwar, P., M. Kupper, B. Tezkan, V. Rath, D. Kiyan, C. Hogg, S. Byrdina, J. Cruz, C.
Andrade, and F. Viveiros (2018b). A floating transient electromagnetic system to acquire dense
data on volcanic lakes - Investigation of the Furnas hydrothermal system (Sao Miguel Island,
Azores). In: proceedings of the 24th Electromagnetic Induction Workshop, Helsingor, Denmark.
(poster)
Yogeshwar, P., M. Kupper, B. Tezkan, V. Rath, D. Kiyan, C. Hogg, S. Byrdina, J. Cruz, C.
Andrade, and F. Viveiros (2018b). A floating transient electromagnetic system to acquire dense
data on volcanic lakes. In: Applied Geophysics Seminar, Cologne, Germany. (presentation)
Montecinos, D. ,Díaz. D. and Yogeshwar, P. (2018a). Imaging the shallow structure of the El
Tatio geothermal field, using Time Domain Electromagnetics. In: proceedings of the 24th
Electromagnetic Induction Workshop, Helsingor, Denmark.
Montecinos, D. ,Díaz. D. and Yogeshwar, P. (2018b). Imaging the shallow structure of the El
Tatio geothermal field, using Time Domain Electromagnetics. In: proceedings of the 15 th
Chilenean Geological Congress, Concepcion, Chile.
M. Schiffler, A. Chwala, M. Meyer, H. Petersen, A. Steuer, T. Martin, U. Meyer, R. Rochlitz, W.
Mörbe, P. Yogeshwar, C. Nittinger, M. Cherevatova, M. Becken, R. Stolz (2018), First results
from a SQUID-based semi-airborne electromagnetic measurement in the DESMEX project.
Protokoll über die 78. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, Leoben,
Austria.

UNIVERSITÄT ZU KÖLN

Mathematisch-Naturwissenschaftliche FakultätInstitut für Geophysik und Meteorologie