Geophysics is an interdisciplinary science which draws on principles from mathematics, chemistry, geology and physics to investigate the structure and dynamic properties of the earth and its environment.The University Of British Columbia: What Is Geophysics?

By measuring the physical properties of the Earth, geophysicists can obtain useful information about its internal dynamics, which is essential to understanding surface effects such as earthquakes and volcanic activity.: University Of Liverpool:What Is Geophysics? Geophysics assists in oil and mineral exploration, and is critical to environmental research involving climate change.: University Of Liverpool:What Is Geophysics?

The International Council of Scientific Unions sponsored a program of research, involving 70 countries and over 30,000 scientists, that lasted from July 1957 through December 1958. This program produced a number of significant achievements, including the discovery of the Van Allen belts around planets, the development of the theory of plate tectonics, increased research in the Arctic and Antarctic polar regions, and the beginning of the space program with the launch of Sputnik in October 1957.Dwight D. Eisenhower Presidential Library: International Geophysical Year

• Science Direct: Chaos Theory In Geophysics: Past, Present and Future (March 15, 2003)

• Dartmouth University: Geophysical Fluid Dynamics

• Mesoscopic Physics Laboratory:Introductory Geophysical Inverse Theory (1.68 mb)

• Wikipedia: Dynamo Theory

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