世界奇瀑掠影

• 作 者: 李永宁
• 出 处: 水利天地
• 发表日期: 1988年04期
• 关键词: 瀑布 巴西尼 胡须 尼亚 河床 急流 银河 加维 比亚 银幕

倒退的瀑布美国境内有个旅游胜地——尼亚加拉瀑布,每分钟有数百万升的水从50多米的高处直泻而下,俨如银河落九天。由于急流的冲撞与侵蚀,河床的跌坎每年要被“削去”1米左右,瀑布便大约后退1米。尼亚加拉瀑布已有12,000多年的历史,前后已经倒退了7英里。胡须瀑布南美洲巴西尼利加维的“胡须瀑”,是世界上罕见的奇异瀑布。“胡须瀑”顾名思义,它犹如

Falling Falls There is a tourist attraction in the United States - Niagara Falls, millions of liters of water per minute straight down from a height of more than 50 meters, just like Milky Way nine days. Due to the collision and erosion of the rapids, the river bed falls by about 1 meter a year and the falls by about 1 meter. Niagara Falls has a history of more than 12,000 years and has receded seven miles before and after it. Beard Falls South America, Galilee’s “Beard Falls”, is a rare singular waterfall in the world. “Beard waterfall” as its name implies, it is like