This book aims to provide an introductory textbook on digital earth for readers who have a certain foundation in earth information science. This book attempts to explain the complex theoretical and technical problems contained in the digital earth with easy-to-understand charts and words, so that readers can have a general understanding of the digital earth and lay a foundation for further study and research.

This book can be used as a teaching material for undergraduates majoring in geosciences in colleges and universities, and also as a reference book for related professionals.