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When a particularly large tidal surge from the Atlantic
大西洋上無比巨大的潮汐
get funnelled into the increasingly shallow water of the river,
會涌進當地河流里不得不流入越來越淺的河水里
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 most surprising 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
