Sessions

EM1 - Environmental and geotechnical control and investigation with E and EM techniques
EM2 - Applied and fundamental EM and CSMT in ocean studies
EM3 - Studies of the earth's mantle from long-period ground-based and satellite EM data
EM4 - New techniques on tensor decomposition and multidimensional forward modeling
EM5 - EM imaging: inversion and interpretation approaches
EM6 - Case studies of E and EM surveys in natural resources
EM7 - Array EM studies
EM8 - Local and regional electromagnetic studies
EM9 - New instrumental and experimental approaches and results

Sessions 1, 6, 7 and 8 will start with an invited review talk. The number of oral presentations will be limited per session and per author with the emphasis being placed on poster presentations. The size of each poster board will be 1.0 m wide x 1.5 m high with one or two boards for each paper. The full review papers and the abstracts of other papers will be included in the abstract volume which will be available upon registration.

Description of Sessions

EM1 - Environmental and geotechnical control and investigation with E and EM techniques
This session will focus on the application of E and EM techniques to investigations in environmental, engineering and cultural fields, (e.g., water quality and contaminants, evaluation of confinement sites, localization of buried structures as archaeological ruins, tunnels, mines). It will also cover aspects related to space weather effects on technological devices as well as developments in control and prevention strategies. Contributions are sought to include innovations in data acquisition procedures as well as in the application of modeling techniques, with a major emphasis in joint inversion of different geophysical data. Papers dealing with investigations using laboratory scale models will also be welcomed.
 
EM2 - Applied and fundamental EM and CSMT in ocean studies
The session aims at assessing the state-of-the-art methods and progress made in EM studies in seas and oceans. All the variety of methods and techniques as well as targets and objectives are welcomed. These includes both solid Earth geophysics and oceanographic applications. We encourage presentations dealing with new techniques to explore the conductivity structure of oceanic crust and upper mantle and long-term large-scale variability of seas and oceans, results from recent and current research projects, including the progress in constructing permanent seafloor multidisciplinary observatories and long-term voltage measurements with submarine cables.
 
EM3 - Studies of earth's mantle from long-period ground-based and satellite EM data
The session will focus on deep and global EM studies using observatory and satellite data, theoretical modeling and comparison to observations of long-period data.
 
EM4 - New techniques on tensor decomposition and multidimensional forward modeling
The session will focus on new methodological developments on robust estimation of transfer functions, data processing, removal of distortions as well as EM forward modeling. We also sought papers discussing the limitations and the difficulty to apply tensor decomposition and presenting new challenges in multidimensional modeling.
 
EM5 - EM imaging: inversion and interpretation approaches
The session will focus on new methodological techniques on modeling and inversion of EM data, including new approaches for inversion of anisotropic layers and methods for 3-D inversion. We also sought papers discussing the current limitations of the inverse and interpretation procedures and proposing new avenues to address these issues.
 
EM6 - Case studies of E and EM surveys in natural resources
This session will focus on use of different EM techniques for mining applications, geothermal, groundwater, hydrocarbon, diamonds, and general mineral research.
 
EM7 - Array EM studies
This session will focus on 2D arrays used as a sensor to image the subsurface conductivity structure. Simultaneous multi-site recordings are superior to traditional single-site soundings as they allow e.g. use of multiple reference sites and estimation of intersite transfer functions. Development on instrumentation have made it possible to relatively efficiently collect data from simultaneous measurements. Advances in 3D modeling and inversion techniques have, on the other hand, made it possible to simulate more realistic Earth models. Contributions from different subjects are welcome: in data acquisition, techniques related to multisite simultaneous recordings, in array processing methods, in specific aspects of array data interpretation and imitation studies of array observation systems, in applications of array technique for large/small scale problems using long/short term monitoring of EM fields from oceanic/continental environment.
 
EM8 - Local and regional electromagnetic studies
The session will focus on general studies on data collection, processing and interpretation of local and regional EM data, resolution studies, experimental modeling of 3D distortion effects, relationships with geological information, tectonic interpretation, 3D MT surveys. Emphasis will be on the impact of the EM results on better understanding the geological processes studies as well as leading to challenging new interpretation of these processes.
 
EM9 - New instrumental and experimental approaches and results
The session will focus on instrumentation developments, laboratory measurements of electrical conductivity of rocks, resistivity logging data, theory and practice of seismoelectric investigation.

Short Courses

An expansion of the traditional EM workshop format is planned to be carried out in Cabo Frio with inclusion of hands-on, applied, practical short courses. The main goal of these short courses will be to enable new and established researchers who are developing new processing and interpretation tools to share the details of their efforts with others around the world. In many cases, these will be specific computational aspects of a new computer code for processing, modeling, and interpreting modern EM data.

Registration is free and open to all participants of the 15th EM Induction workshop. However, computational needs will limit the number of participants at some courses and the Organizing Committee will select attendees based on how useful the course will be in advance individual research. If you are interested to attend any short course, fill in the short course registration form.

Proposed Educational Short Courses

In order to organize this new activity, we are soliciting proposals from potential course presenters (specialists) on one of the following topics, considered by the Organizing Committee to be among the most important to the current and future developments in EM geophysics:
 

1. Robust processing of modern, high dynamic-range, EM data
2. Two-dimensional inversion including the dos and don'ts when using specific computer routines
3. Three-dimensional inversion including specific computational restrictions
4. Strategies in handling 3-D or anisotropic data
5. Dealing with shallow distortions including topography
6. Sensitivity testing to explore ambiguities and model equivalencies
7. Value of laboratory measurements in EM interpretations

We are also willing to consider proposals on topics other than those listed above. In this case, please send us a title and description, with your view on likely interest and probable attendance, by 15th April 2000.

Potential course presenters must organize their courses so as to be given in 1.5 to 3 h. Description of the proposal must be limited to 1000 words, must include computational needs, and are to be directed to the Organizing Committee. Deadline for receipt of proposals: 15th April 2000.

We are proposing to provide partial funds for airfare and per diem to selected short courses presenters and also to enable attendance particularly for students, young researchers, and those from developing countries. Selection of presenters will be based on their proposals and of attendees on the direct value that a practical, working knowledge of new tools (mostly computational) will have on their development. A strong intention will be to select young investigators who are doing (or need to learn) the detailed computational aspects of the new developments. All applicants for support (presenters and attendees) must provide the information described in the item Financial Support. Requests must be directed to Pascal Tarits and the deadline is 15th April 2000.