This book introduces Earth's hydrology and geography in vivid language. It covers the division and characteristics of the five oceans and four seas, distinguishing between seas and oceans; explains the causes of ocean color, salinity differences, depth variations, and marine phenomena such as waves, ocean currents, tides, and tsunamis; it also covers terrestrial hydrology, including river system morphology, lake formation, and the ecological impact of glaciers. The book integrates complex geographical knowledge with engaging descriptions, showcasing the rich diversity of Earth's hydrogeography while emphasizing the importance of nature conservation. This book is suitable for readers aged 6-12.
本书以生动语言介绍地球水文与地理知识。内容涵盖“五洋四海”的划分与特点，区分了海与洋的不同；讲解了海洋的颜色成因、咸度差异、深度变化，以及波浪、洋流、潮汐、海啸等海洋现象；还涉及河流、湖泊、沼泽、冰川等陆地水文知识，包括水系形态、湖泊形成、冰川对生态的影响等。全书将复杂的地理知识融入趣味描述，既展现了地球水文地理的丰富多样，也强调了保护自然的重要性。本书适合6-12岁的读者阅读。
本书以生动语言介绍地球水文与地理知识。内容涵盖“五洋四海”的划分与特点，区分了海与洋的不同；讲解了海洋的颜色成因、咸度差异、深度变化，以及波浪、洋流、潮汐、海啸等海洋现象；还涉及河流、湖泊、沼泽、冰川等陆地水文知识，包括水系形态、湖泊形成、冰川对生态的影响等。全书将复杂的地理知识融入趣味描述，既展现了地球水文地理的丰富多样，也强调了保护自然的重要性。本书适合6-12岁的读者阅读。
