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Indian Ocean大地震是在Indian Ocean底部所谓的“俯冲带(subductionzone)”发生的。Indian tectonic plate(印度板块)的大约1000千米长的一块向Burma(缅甸)tectonic plate下方俯冲,造成Indian Ocean底局部先向下再往上的运动,结局就是灾难性的大tsunami。
If we take Indian Ocean as a basin(盆) of water,水盆底部先下后上地突然一晃,水当然会splash.假设位移部分宽one thousand meters,水深one thousand meters,Then will lead 10万亿吨sea water的纵向位移。具备中学物理知识的小读者们可以根据重力势能公式自行估算出海水纵向位移产生的能量,以及势能转化为动能后海浪的速度。
多少年来,为了将这种自然灾害的危害降至最低程度,世界各国的地震学家一直try their best to provide a perfect answer to this problem.
But can you believe it? 人类用尽他们的智慧都难以解决的问题,对animal来说却似乎不用动脑。
Wild animals seem to have escaped(逃过)the Indian Ocean tsunami,adding weight to notions(观点)they possess(拥有)a “sixth sense” for disasters(灾难), experts(专家)said.
Sri Lankan wildlife(野生动物)officials(官员)have said the giant(巨大的)waves that killed many people along the Indian Ocean(印度洋)island’s coast(海岸)seemingly(似乎)missed wild beasts.
“No elephants are dead, not even a dead hare(野兔)or rabbit(兔子). I think animals can sense disaster(灾难). They have a sixth sense. They know when things are happening,” H.D. Ratnayake, deputy director (副局长) of Sri Lanka’s (斯里兰卡) Wildlife Department(野生动物保护局)said.
The waves washed floodwaters(洪水)up to 3kminland(内陆)at Yala National Park(国家公园),Sri Lanka’s biggest wildlife reserve(保护)and home to hundreds of wild elephants and several leopards(美洲豹).“There has been a lot of evidence(证据)about dogs barking or birds migrating(迁徙)before volcanic eruptions(火山爆发)or earthquakes(地震). But it has not been proven(证实),” said Matthew van Lierop, an animal behavior(行为)specialist(专家)at Johannesburg(约翰内斯堡)Zoo.
“There have been no specific(专门)studies because you can’t really test it in a lab(实验室)or field setting,” he said.
Other authorities(权威人士)concurred with(同意)this assessment.
“Wildlife seem to be able to pick up certain phenomenon(现象), especially(尤其)birds. There are many reports of birds detecting(察觉)impending(即将来临的)disasters,” said Clive Walker, who has written several books on African wildlife.
Animals certainly rely on the known(已知)senses such as smell or hearing to avoid danger such as predators(食肉动物).
The notion of an animal “sixth sense” —— or some other mythical(神秘的)power —— is an enduring(持久的)one. The Romans saw owls as omens(征兆)of impending disaster and many ancient cultures viewed elephants as sacred animals(圣兽)having special powers or attributes(性质).The evidence on Sri Lanka’s battered(被摧残)coast(海滩)is likely to add to this point.
有专家表示,野生动物似乎躲过了印度洋的海啸,这进一步证实了动物对自然灾难有“第六感”的观点。
斯里兰卡负责野生动物的官员表示,巨浪席卷印度洋海岛沿岸,淹死了很多人,但野生动物似乎都幸免于难。
“没有大象丧生,甚至连野兔和兔子都活得好好的。我想动物们可以感觉到灾难即将来临。它们有第六感,能够知道海啸发生的时间。”斯里兰卡野生动物保护局副局长H·D·拉特纳亚克说。
海洪冲向离岸三公里远的亚拉国家公园,这里是斯里兰卡最大的野生动物保护区,生活着几百头野生大象和一些美洲豹,海啸引发的洪水使亚拉国家公园所在的东南部地区变得一片狼藉。南非约翰内斯堡动物园的动物行为专家马太·范伦内普说:“每当火山爆发或地震发生前,动物的行为就会出现异常,比如犬吠或鸟类迁徙,但这些现象尚未得到科学证明。”
他说:“目前还没有这方面的专门研究,因为你无法在实验室或实际环境中进行真正的试验。”
其他权威人士同意这一看法。
“野生动物似乎能够感知某些特殊现象,尤其是鸟类。很多报告显示鸟类能察觉即将来临的灾难。”克莱夫·沃克这样说,他曾经写过数本关于非洲野生动物的书。
一些动物确实是依靠嗅觉或听觉等人类已知的官能来躲避危险的,比如食肉动物。
关于动物“第六感”(或者其他神秘力量)的说法已有很长时间,罗马人把猫头鹰视为迫近凶险的征兆,很多古代文明都将大象看作拥有特殊能力或象征的“圣兽”。斯里兰卡被摧残的海滩可能会为这一说法再添一笔证据。
海啸一词的来源
海啸tsunami,其实是日语的外来语,又称“津波”,意思是“港口内的巨浪”。
本来海啸的英文是tidal wave,就是潮汐波的意思。可是海啸的形成和潮汐完全没有关系,所以科学家就采用了日文中的tsunami,而舍弃了英文的tidal wave,以免和潮汐混淆。而现在,tsunami一词已经完全取代了tidal wave,位于檀香山的太平洋海啸警报中心的英文名称是Pacific Tsunami Warning Center(PTWC),就是一例。
X档案(解密新鲜cool word)
six sense 第六感
tsunami 海啸
Sri Lanka 斯里兰卡
If we take Indian Ocean as a basin(盆) of water,水盆底部先下后上地突然一晃,水当然会splash.假设位移部分宽one thousand meters,水深one thousand meters,Then will lead 10万亿吨sea water的纵向位移。具备中学物理知识的小读者们可以根据重力势能公式自行估算出海水纵向位移产生的能量,以及势能转化为动能后海浪的速度。
多少年来,为了将这种自然灾害的危害降至最低程度,世界各国的地震学家一直try their best to provide a perfect answer to this problem.
But can you believe it? 人类用尽他们的智慧都难以解决的问题,对animal来说却似乎不用动脑。
Wild animals seem to have escaped(逃过)the Indian Ocean tsunami,adding weight to notions(观点)they possess(拥有)a “sixth sense” for disasters(灾难), experts(专家)said.
Sri Lankan wildlife(野生动物)officials(官员)have said the giant(巨大的)waves that killed many people along the Indian Ocean(印度洋)island’s coast(海岸)seemingly(似乎)missed wild beasts.
“No elephants are dead, not even a dead hare(野兔)or rabbit(兔子). I think animals can sense disaster(灾难). They have a sixth sense. They know when things are happening,” H.D. Ratnayake, deputy director (副局长) of Sri Lanka’s (斯里兰卡) Wildlife Department(野生动物保护局)said.
The waves washed floodwaters(洪水)up to 3kminland(内陆)at Yala National Park(国家公园),Sri Lanka’s biggest wildlife reserve(保护)and home to hundreds of wild elephants and several leopards(美洲豹).“There has been a lot of evidence(证据)about dogs barking or birds migrating(迁徙)before volcanic eruptions(火山爆发)or earthquakes(地震). But it has not been proven(证实),” said Matthew van Lierop, an animal behavior(行为)specialist(专家)at Johannesburg(约翰内斯堡)Zoo.
“There have been no specific(专门)studies because you can’t really test it in a lab(实验室)or field setting,” he said.
Other authorities(权威人士)concurred with(同意)this assessment.
“Wildlife seem to be able to pick up certain phenomenon(现象), especially(尤其)birds. There are many reports of birds detecting(察觉)impending(即将来临的)disasters,” said Clive Walker, who has written several books on African wildlife.
Animals certainly rely on the known(已知)senses such as smell or hearing to avoid danger such as predators(食肉动物).
The notion of an animal “sixth sense” —— or some other mythical(神秘的)power —— is an enduring(持久的)one. The Romans saw owls as omens(征兆)of impending disaster and many ancient cultures viewed elephants as sacred animals(圣兽)having special powers or attributes(性质).The evidence on Sri Lanka’s battered(被摧残)coast(海滩)is likely to add to this point.
有专家表示,野生动物似乎躲过了印度洋的海啸,这进一步证实了动物对自然灾难有“第六感”的观点。
斯里兰卡负责野生动物的官员表示,巨浪席卷印度洋海岛沿岸,淹死了很多人,但野生动物似乎都幸免于难。
“没有大象丧生,甚至连野兔和兔子都活得好好的。我想动物们可以感觉到灾难即将来临。它们有第六感,能够知道海啸发生的时间。”斯里兰卡野生动物保护局副局长H·D·拉特纳亚克说。
海洪冲向离岸三公里远的亚拉国家公园,这里是斯里兰卡最大的野生动物保护区,生活着几百头野生大象和一些美洲豹,海啸引发的洪水使亚拉国家公园所在的东南部地区变得一片狼藉。南非约翰内斯堡动物园的动物行为专家马太·范伦内普说:“每当火山爆发或地震发生前,动物的行为就会出现异常,比如犬吠或鸟类迁徙,但这些现象尚未得到科学证明。”
他说:“目前还没有这方面的专门研究,因为你无法在实验室或实际环境中进行真正的试验。”
其他权威人士同意这一看法。
“野生动物似乎能够感知某些特殊现象,尤其是鸟类。很多报告显示鸟类能察觉即将来临的灾难。”克莱夫·沃克这样说,他曾经写过数本关于非洲野生动物的书。
一些动物确实是依靠嗅觉或听觉等人类已知的官能来躲避危险的,比如食肉动物。
关于动物“第六感”(或者其他神秘力量)的说法已有很长时间,罗马人把猫头鹰视为迫近凶险的征兆,很多古代文明都将大象看作拥有特殊能力或象征的“圣兽”。斯里兰卡被摧残的海滩可能会为这一说法再添一笔证据。
海啸一词的来源
海啸tsunami,其实是日语的外来语,又称“津波”,意思是“港口内的巨浪”。
本来海啸的英文是tidal wave,就是潮汐波的意思。可是海啸的形成和潮汐完全没有关系,所以科学家就采用了日文中的tsunami,而舍弃了英文的tidal wave,以免和潮汐混淆。而现在,tsunami一词已经完全取代了tidal wave,位于檀香山的太平洋海啸警报中心的英文名称是Pacific Tsunami Warning Center(PTWC),就是一例。
X档案(解密新鲜cool word)
six sense 第六感
tsunami 海啸
Sri Lanka 斯里兰卡