Ph.D. Position in Electromagnetic Geophysics
The Institute of Geophysics at the University of Lausanne has an opening
for a doctoral student in the field of electromagnetic geophysics. The
selected student will develop techniques for time-lapse and stochastic
inversion of radio and audio magnetotelluric data with applications to
hydrology. The position is funded for three years and the starting date is
June 1, 2010 or a later date to be decided upon. The successful candidate
should hold a MSc degree in geophysics, physics, environmental
engineering or computational hydrology. He/she should have a keen
interest and preferably some experience in scientific computing,
geophysical and/or hydrological forward modeling and inversion. We are a
dynamic international research group working on a wide variety of topics in
environmental and computational geophysics. Basic knowledge of French
is an advantage, but not a requirement. Our institute is well equipped,
evolving dynamically, and scenically located on the shores of Lake
Geneva, a region of outstanding beauty that offers a vibrant cosmopolitan
atmosphere and a very high quality of life.
To apply, please send a cover letter clarifying your overall motivation for
entering a PhD program together with your curriculum vitae and the names,
telephone numbers, and e-mail addresses of two referees to Prof. Niklas
Linde, Institute of Geophysics, Amphipôle Building, University of
Lausanne, 1015 Lausanne, Switzerland or e-mail to: niklas.linde@unil.ch.
The deadline for submission of applications is April 30, 2010.
The University of Lausanne is an Equal Opportunity Employer.
3 PhD positions in Seismology
Mining Environments: Continuous Monitoring and Simultaneous
Inversion [MINE]
Junior Research Group (Dr. S. Cesca), University of Hamburg
The newly funded MINE Junior Research Group, leaded by Dr. Simone
Cesca at the University of Hamburg, intends to develop seismological tools
to monitor mining areas and underground reservoirs, by means of
continuous multi-stream time series analysis and inversion. We aim to
model fracturing processes and stress field evolution on a very local scale.
The MINE project is funded by the German Federal Ministry of Education
and Research (BMBF). We look for motivated and dynamic candidates to
fill the following three PhD positions within the MINE
project:
PhD position (m/f) WP1
Automated event detection and location in mining environments
Tasks: The main goal will be the adoption, development and validation of
different techniques to detect and locate seismic sources at mines, with
spatial extensions ranging from mm-length microcracks to hundred of
meters rupture length of induced earthquakes. The candidate should focus
specifically on the development of techniques using full waveforms and
coupling different data flows (e.g. seismic, acoustic, deformation). Specific
tasks will include: adoption/implementation of existing triggering and
location algorithms, generalization to 3D velocity structures, development
of full waveform triggering/location techniques, validation of the potential of
developed techniques using synthetic datasets, application to available
datasets form salt and iron ore mines, interpretation in terms of seismicity
pattern evolution and relation between local seismicity and microcrack
dynamics. The candidate will be responsible for the implementation of a
continuous multi-stream data access interface. Strong collaboration with
other work
packages and partner institutions are expected. The candidate will be cosupervised by Dr. K. Stammler
(BGR Hannover), where part of the research will be carried out.
Qualifications: Diploma or master degree in Geophysics or Physics.
Knowledge in seismology,
geophysics and computer programming (Python, Fortran) will be positively
evaluated.
Start/duration: 1/7/2010, 3 years
Salary: TV-D 13/2
PhD position (m/f) WP2
Source characterization of microseismicity
Tasks: The main goal is the adoption and improvement of source inversion
techniques from general
seismology and their adaptation to model small-scale seismic sources at
mining region. Developed
techniques will make use of full waveform techniques and handle 3D
velocity structures. Specific tasks
will include: 3D Green's functions generation and handling, development of
different inversion tools (P/S
ratio and full waveform amplitude spectra inversion), moment tensor
inversion in 1D and 3D models,
detection of source directivity and extended source parameters,
assessment of developed techniques
using synthetic datasets and available datasets from different mines. The
candidate will be responsible
for the implementation of a multi-stream database. Strong collaboration
with other work packages and
partner institutions are expected. The candidate will be co-supervised by
research partners at NORSAR
(Norway), where part of the research will be carried out.
Qualifications: Diploma or master degree in Geophysics or Physics.
Knowledge in seismology,
geophysics and computer programming (Python, Fortran) will be positively
evaluated.
Start/duration: 1/7/2010, 3 years
Salary: TV-D 13/2
PhD position (m/f) WP3
Stress tomography and fracture monitoring
Tasks: The final goal of this work package is to provide tools to image
stress perturbations and
weakening regions and their time evolution. The importance of stress
tomography at mines is of extreme
importance towards an efficient hazard assessment at different time scales.
The main methodological aim
is to develop a new method able to couple seismicity and focal
mechanisms estimation, within a joint
stress tomography tool. Specific tasks will include: evaluation of
energy/moment release, estimation of
temporal clustering properties, analysis of spatial-temporal event clustering,
predictive modeling based on
a stress model for specific mines, stress inversion based on seismicity rate
changes, comparison of
stress models based on seismicity, focal mechanisms and joint inversion,
hazard assessment at different
time scales. The candidate will be responsible for the implementation of the
project output visualization
tool. Strong collaboration with other work packages and partner institutions
are expected. The candidate
will be co-supervised by Dr. S. Hainzl at GFZ Potsdam, where part of the
research will be carried out.
Qualifications: Diploma or master degree in Geophysics or Physics.
Knowledge in seismology,
geophysics and computer programming (Python, Fortran, Matlab) will be
positively evaluated.
Start/duration: 1/7/2010, 3 years
Salary: TV-D 13/2
The selection process will start on May, 15th, 2010. Later applications may
be considered if the positions
are not filled. The University of Hamburg is an equal opportunity employer
and welcomes applications
from all qualified individuals. For more information please contact Dr.
Simone Cesca
(simone.cesca@zmaw.de).
If you wish to apply, please include a CV, a statement of research interests,
and the names and contact
details of two references. Applications should be directed by e-mail to:
Dr. Simone Cesca
Institute of Geophysics, University of Hamburg
Bundesstrasse 55, D-20146 Hamburg
+49.40.428384389
simone.cesca@zmaw.de
The Institute of Geology invites applications for
2 PhD positions in tectonics and numerical modelling
(EntgGr. (Salary Group) 13 TV-L / 50%)
Description of projects
One PhD project (two years with an option for extension for one year) is
dedicated to the question how
the seismogenic plate interface at subduction zones responds to surface
processes
(erosion/sedimentation, deglaciation, sea-level changes). During the
project, the successful candidate will
learn state-of-the-art numerical modelling techniques to evaluate the
influence of surface processes on
the plate interface in terms of slip patterns and earthquake frequency.
She/He will apply the model results
to selected natural case studies worldwide (e.g. Andes, Alaska).
The other PhD project (three years) aims to investigate the impact of mass
redistribution due to erosion
and sedimentation on the slip evolution of individual faults. The successful
candidate will learn to use an
innovative numerical model that couples an advanced tectonic model
including faults with a well
established landscape evolution model to evaluate the potential of surface
processes to influence fault
behavior in different tectonic settings. The developed models will be
applied to selected natural case
studies worldwide (Basin-and- Range Province, Himalaya, Greece).
Employment conditions
Applicants must hold a diploma/MSc in geosciences and should have a
strong interest in tectonics and
geodynamics. Knowledge of tectonic geomorphology, numerical modelling
and UNIX/Linux is beneficial
but not mandatory. As an equal opportunity employer, the Leibniz
Universität Hannover wishes to support
women. For this reason suitably qualified women are specifically invited to
apply. Equally qualified
applicants with disabilities will be given preferential treatment.
For further information, please contact Prof. Dr. A. Hampel (phone: 0511 /
762 2173; email:
hampel@geowi.uni-hannover.de) or Dr. Georgios Maniatis (phone: 0511 /
762 17411; email:
maniatis@geowi.uni-hannover.de), who will be pleased to assist.
Applications will be evaluated
continuously until the position is filled. Please send your application (as
paper copy per mail or single
PDF-file by email) including a motivation letter, CV, a statement of your
research interests, copies of
certificates and addresses of 2 potential referees to:
Gottfried Wilhelm Leibniz Universität Hannover
Prof. Dr. Andrea Hampel
Institut für Geologie
Callinstraße 30
30167 Hannover
hampel@geowi.uni-hannover.de