030 超级火山-黄石公园
美国黄石公园位于怀俄明州,1978年被列入世界自然遗产名录。地面大面积覆盖着熔岩,地壳至今仍不稳定,公园中温泉和热泉随处可见。黄石公园地下是一座“超级火山”,潜藏着摧毁地球的超级能量,其喷发的空降碎屑能够埋没半个美国。黄石公园是在火山爆发中形成的,火山大约每隔60万年周期性喷发,现已进入喷发周期。
黄石公园分五个区:西北的猛犸象温泉区以石灰石台阶为主,故也称热台阶区;东北为罗斯福区,仍保留着老西部景观;中间为峡谷区,可观赏黄石大峡谷和瀑布;东南为黄石湖区,主要是湖光山色;西及西南为间歇喷泉区,遍布间歇泉、温泉、蒸气池、热水潭、泥地和喷气孔。
猛犸象温泉
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黄石瀑布和黄石大峡谷
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泥泉
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老忠实间歇喷泉 现在大约隔90分钟喷发一次。
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大棱镜彩泉
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黄石公园的各种地貌
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黄石湖
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钓鱼桥 此地曾是人们钓鱼的热门地点,因桥下刚好是鳟鱼的产卵繁衍地,现已禁止钓鱼了。
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车过钓鱼桥
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行驶在黄石湖边
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森林大火后的杉树林
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美洲野牛 黄石公园特有的动物。
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本集照片摄于2015年8月和2009年10月。
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