地球的力量 第4集 海洋(6)尼亞加拉瀑布

When a particularly large tidal surge from theAtlantic

大西洋上無比巨大的潮汐

get funnelled into the increasingly shallow water ofthe river,

會涌進當?shù)睾恿骼锊坏貌涣魅朐絹碓綔\的河水里

it turns into a single powerful surging wave.

它就會變成一股力量巨大向上涌動的海浪

A tidal bore.The mostsurprising thing,

潮水鉆孔 最讓人驚奇的事物

the most worrying thing, is the speed of that wave.

最讓人擔憂的是這個浪的速度

This is a pretty fast boat and we're just staying ahead of it.

這艘船很快我們也只能被它緊逼

The bore travels upstream at up to 20 miles per hour.

可以流進內(nèi)陸蔓延幾十公里

It rolls inland for miles, tearing apart the riverbank along the way.

那個浪可一直奔騰著撕裂沿途的一切

This wave will move over 13 million cubic feet of water every minute.

每一分鐘會移動400000立方米的水

That's up to 150 times the minimum flow of the Niagara Falls.

最高達到尼亞加拉瀑布水量的150倍

This bore shows just how much energy is created

這個潮涌顯示了這個能量是多么強大

by the power of gravity, and released in a tide.

來自重力的能量，通過潮汐釋放出來