These techniques can be applied to complex Earth systems. Students in the first semester will be learning topics such as analysis, linear algebra, and differential equations. Through deep reading and exercise solving, one can master the use of less complicated mathematics and apply appropriate physical laws and boundary conditions to the geophysical problems (which is difficult). In addition, the steps for organizing the problems to be solved and incorporating them into partial differential problems are explained carefully, which is very helpful to students when solving geophysical problems. For example, the analytical solution of partial differential equation was carefully derived. In fact, many mathematical formulas and exercises appear in the book. The original book says, " We present most of the material with a minimum mathematical complexity". For this purpose, it is necessary to approach the solution by combining various methods, as discussed in this book. However, many of them still remain unsolved, and there is a high demand for learning how to solve them. Plate tectonics (cooling of the earth, etc.), deformation of the crust (elasticity, rheology, fracturing), temperature and chemical structure of the Earth’s mantle and its convection, movement of underground fluids, and other solid geoscientific problems are classical. To fill this gap, this book was translated by researchers who are currently actively working on the front lines. There are many textbooks and translations on earth sciences in general, but only few Japanese textbooks on geophysics other than seismology. However, in the beginning, it is difficult to fully understand them due to many technical terms or omissions based on implicit understanding of the subject within the community. It is essential for aspiring researchers to use original papers and books.
If you have been interested in plate tectonics and want to explore the geological evolution of the earth, it would be beneficial to have a Japanese book that explains mathematical formulas and concepts to be used in the field. However, when thinking about your future, you should know what and how much knowledge you should have as a researcher at an early stage. Learning this field may seem like a long way off for students who have just entered the university. We finally translated it into Japanese after nearly 40 years. The original book has been used as a textbook by undergraduate and graduate students majoring in solid Earth sciences (mainly geophysics and geology). This book is a Japanese translation of ‘Geodynamics’, which was first published in 1982.
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