Provides highway engineers with a basic knowledge of geophysics and nondestructive test (NDT) methods for solving specific engineering problems during geotechnical site investigation, construction, and maintenance of highways.
Text and interactive models derived from course notes and instructional programs. Covers the physical properties of earth materials, with chapters on geophysical methods and interpretation.
Common geophysical methods used by the Environmental Protection Agency at hazardous waste sites include: ground penetrating radar, seismic refraction, electromagnetics, and magnetometry. Presents case studies and field-based analytical methods.
A detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of many related text files.
Research discussing some of the advantages and disadvantages of using genetic algorithms for joint inversion of different geophysical datasets, particularly magnetotellurics and seismic receiver functions.
Manual describing the geophysical procedures commonly conducted by the Army Corps of Engineers, used for engineering, geological and environmental investigations.
Research institute in New Zealand specializing in earth systems, seismic data acquisition and processing, laboratory analysis, environmental and natural hazards risk analysis.
Historical review of geomagnetism, from the discovery of the compass to plate tectonics and space observations. Also has instructions for teachers, glossary, and FAQ.
Contains resources of the Geological Survey of Canada on the ever-changing magnetic field. Includes a magnetic declination calculator and compass tutorial, and a database from Canadian magnetic observatories.
A geophysical technique that uses naturally-occurring (or man-made) electromagnetic fields to probe the electrical conductivity structure of the Earth.
Magnetotellurics (MT) is a geophysical method to study the distribution of electrical conductivity in the earth. Article includes examples of recordings and resistivity ranges of standard rock types.
A detailed article explaining the practical application of magnetotellurics. Includes case studies to present processing and interpretation techniques.
An international electronic forum for the free exchange of knowledge, programs and data between scientists engaged in the study of the Earth using electromagnetic methods, principally magnetotellurics.
Course materials are available for download from MIT, this program studies the historical development and the current status of ideas and models from the different research fields, and investigates the different views on mantle flow.
Technical support, guidance, and applied research that fosters the appropriate use of surface and borehole geophysical methods for USGS interdisciplinary earth science investigations and the development of geophysical characterization and monitoring methods.
Personal page of a senior researcher at the Seismological Division of the Geophysical Institute of Israel. Papers on seismic signals processing methods, development and application.