Open access peer-reviewed Edited Volume

Geophysics

Edited by Anthony Okiwelu

University of Calabar

This book is focused on different aspects of geophysical research, particularly on modern approach in subsurface imaging, tectonics, geohazard, seismicity, and Earth planetary system. Syntheses of results from regional and local studies combined with new techniques of geophysical data acquisition and interpretation from diverse geological provinces are presented. Some of the chapter explained clearly the geophysical technic that can image local sources in urban and rural settings in Israel. An example of studies on basement tectonics and fault reactivation in North America using integrated geophysical methods is also presented. Two modes of seismicity, one involving rotational seismology and another based on seismic response in Mexico using Hilbert-Huang transform (HHT) as an alternative technique for extracting data that will be useful for the assessment of potential earthquake, are discussed in other sets of chapters. The integration of geoelectric methods in another chapter demonstrated delimitation of the resistivity anomalies caused by different types of hydrocarbon contaminants and rocks in rural, industrial, and urban sites. The results of electrical resistivity method to define 1D and 2D electrical models from two datasets acquired in dry and rainy seasons in Panama (Central America) were used to show the relationship between electrical resistivity and volumetric water content. Petrophysical analyses show good fits between resistivity and volumetric water content and known parameters for rocks and soils. The study on Earth planetary system noted that at all stages of the Earth?s formation, convective heat and mass transfer are the most important factors in the dynamics of the planet. The chapter on magnetics shows how remanent magnetization and self-demagnetization complicate the inversion and interpretation of magnetic anomaly with examples from iron deposit in South Australia.

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IntechOpen
GeophysicsEdited by Anthony Okiwelu

Published: May 9th 2018

DOI: 10.5772/68004

ISBN: 978-1-78923-021-5

Print ISBN: 978-1-78923-020-8

Copyright year: 2018

Books open for chapter submissions

877 Total Chapter Downloads

1 Crossref Citations

1 Dimensions Citations

chaptersDownloads

Open access peer-reviewed

1. Three–Dimensional Seismic Diffraction Imaging for Detecting Near-Surface Inhomogeneities

By Shemer Keydar, Vladimir Shtivelman and Avner Arzi

107

Open access peer-reviewed

2. Measurement of Rotational Events in Regions Prone to Seismicity: A Review

By Leszek R. Jaroszewicz, Anna Kurzych, Krzysztof P. Teisseyre and Zbigniew Krajewski

127

Open access peer-reviewed

3. Inversion and Interpretation of Magnetic Anomaly in the Presence of Significant Remanence and Self-Demagnetization Based on Magnetic Amplitude

By Shuang Liu and Xiangyun Hu

117

Open access peer-reviewed

4. Basement Tectonics and Fault Reactivation in Alberta Based on Seismic and Potential Field Data

By Eneanwan Ekpo, David Eaton and Ronald Weir

152

Open access peer-reviewed

5. Characterization of Hydrocarbon-Contaminated Sites Based on Geoelectrical Methods of Geophysical Exploration

By Omar Delgado-Rodríguez, Vladimir Shevnin, Héctor Peinado- Guevara and María Ladrón de Guevara-Torres

99

Open access peer-reviewed

6. Characterization of Seismic Responses in Mexico City Using Hilbert-Huang Transform

By Silvia Raquel García Benítez and Leonardo Alcántara Nolasco

101

Open access peer-reviewed

7. Dynamics of the Early Stage of Formation of the Earth’s-Moon System

By Yurie Khachay, Olga Hachay and Alexander Antipin

82

Open access peer-reviewed

8. Geoelectrical Sounding and Imaging over the Central Zone of Panama

By Alexis Mojica

92

Edited Volume and chapters are indexed in

  • Worldcat
  • OpenAIRE
  • Google Scholar
  • AZ ebsco
  • Base
  • CNKI
  • IET Inspec

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