This book introduces systematically the cryospheric science, covering the formation, development, evolution, and research methods of each component of the cryosphere, the interaction between the cryosphere and the other spheres of the climate system and the anthroposphere, and the hot topics of social and economic sustainable development and geopolitics. The authors are world-renowned experts and scientists working in the related fields. They have a deep understanding and accurate grasp of the basic theory, evolution mechanism, and international frontiers of the cryosphere, as well as rich teaching experience, which makes this book suitable also as textbook for graduate students. It is also the first book that introduces the knowledge of cryospheric science systematically. In addition to theoretical knowledge, the book also introduces field work and experimental analysis. It should be of interests for the scholars and graduate student working in the fields of geography, hydrology, geology, geomorphology, atmosphere, ecology, environment, oceanography, and regional economic and social sustainable development.