00998nam a2200205Ia 4500 CTU_22352 210402s9999 xx 000 0 und d 551 H199 William Kenneth Hamblin The earth's dynamic systems A textbook in physical geology William Kenneth Hamblin New York MacMillan 1989 The book presents and discusses two major energy systemsthat make the Earth a dynamic planet: one is a hydrologic system, the circulation of waterover the Earth's surface, which involves the movement of water in the ocean, rivers, underground, and in glaciers. The other is the tectonic system, the movement of material powered by heat from the Earth's interior. This system involves the evolution of continents and ocean basins, and mountain-building physical geology Minh, 980420 Trung tâm Học liệu Trường Đại học Cần Thơ