Introducing Geophysics

Geophysics is the study of the Earth's physics, which is described by classical physics disciplines such as heat, gravity, magnetism, electricity, vibrations, and waves. It is an approachable and well-illustrated introduction to the many multi-disciplinary facets of geophysics, with mathematics kept to a bare minimum. It discusses the composition of the Earth, its geothermal heat flow, the forces which drive Plate Tectonics, the application of seismology, the Earth's magnetic field, its electrical properties, and its gravity. It also details the application of Geophysics to practical matters such as surveying for hydrocarbon and mineral resources, managing pollution and environmental hazards, and looking for and monitoring safe and secure places to store our wastes.

Format: Paperback / softback
Length: 117 pages
Publication date: 15 October 2020
Publisher: Dunedin Academic Press

Geophysics is a captivating field of study that delves into the intricate physics of our planet Earth. Despite its name, which may intimidate some, it is a discipline that appeals to the most inquisitive Earth Scientists. Geophysics encompasses a wide range of topics, including the study of heat, gravity, magnetism, electricity, vibrations, and waves, all of which play crucial roles in understanding the Earth's vast and dynamic nature.

The Earth, being a massive and relatively slow-moving celestial body, is best described by the classical physics disciplines. These disciplines provide valuable insights into the Earth's behavior and characteristics. Heat, for instance, is a fundamental property that governs the Earth's temperature and energy distribution. Gravity, on the other hand, is responsible for shaping the Earth's surface and maintaining its orbit around the Sun. Magnetism, electricity, and vibrations are also essential components of the Earth's physics, contributing to phenomena such as auroras, thunderstorms, and tectonic plate movements.

While the Earth's surface provides us with limited information about the deep Earth, geophysics has played a pivotal role in unraveling its mysteries. Through the application of various techniques and technologies, geophysicists have been able to gather valuable data and insights into the Earth's composition, geothermal heat flow, and the forces that drive Plate Tectonics. Plate Tectonics, a scientific theory that explains the movement and interaction of the Earth's tectonic plates, is a key concept in geophysics. By studying the seismic activity and the distribution of geological features, geophysicists have been able to chart the motions of tectonic plates and understand the mechanisms behind earthquakes, volcanic eruptions, and mountain building.

Seismology, a branch of geophysics, is particularly important in revealing the complex structures hidden deep beneath the surface of our planet. Seismic waves, generated by earthquakes or volcanic eruptions, travel through the Earth's layers, recording the vibrations and movements of the rocks and minerals. By analyzing these seismic data, geophysicists can create detailed images of the Earth's interior, revealing structures such as subduction zones.

In addition to its scientific significance, geophysics has numerous practical applications. It plays a crucial role in surveying for hydrocarbon and mineral resources, which are essential for economic development and energy production. Geophysics is also used to identify hidden dangers beneath the surface, such as caves, old mine workings, and landslides, which can pose risks to human safety and the environment. Moreover, geophysics is employed in managing pollution and environmental hazards, as well as in locating safe and secure places to store nuclear waste and other hazardous materials.

In conclusion, geophysics is a fascinating and interdisciplinary field that plays a vital role in understanding the Earth's complex systems. By studying the physics of the Earth, geophysicists have been able to unravel its mysteries, chart tectonic plate motions, manage pollution and environmental hazards, and locate safe and secure places to store hazardous materials. With its interdisciplinary nature and practical applications, geophysics continues to be an important field of study for Earth Scientists and researchers around the world.

Weight: 358g
Dimension: 220 x 220 x 10 (mm)
ISBN-13: 9781780460802
Edition number: New ed