評(píng)論
打印
Alun's team have found the hole down which the lake disappeared
艾倫的團(tuán)隊(duì)已經(jīng)找到了讓湖水消失的洞穴
and they want to have a closer look.
他們想要來個(gè)近距離觀察
It's not a job for anyone with a fear of heights.
這對(duì)恐高的人來說是絕不可能的
As you can see, it's dry up here,
可以看到這里已經(jīng)干涸
but if you listen,
但如果仔細(xì)聽
you can hear the thunder of,
便能聽到大量的流水
there's a lot of water entering it at some depth.
從深處貫入其中的隆隆聲
Alun wants to place a sensor deep into the moulin
艾倫想在冰川鍋穴深處安裝一個(gè)傳感器
to discover how much water is flowing through the ice.
來研究有多少水在冰川里穿梭
As they drop, they travel back in time.
向下深入的時(shí)候 他們仿佛回到了從前
30 metres down and they reach ice formed from snow that fell
三十米深處的冰是一萬年前
10,000 years ago, in the last Ice Age.
冰河世紀(jì)時(shí)期的降雪堆積起來的
When this lake drained and the plug got pulled
一旦湖水干涸 就像打開了閥門
and the whole lot flushed down through here,
整個(gè)水流都會(huì)從這沖刷而下
this ice sheet, it rose by a metre
這塊冰原就會(huì)增高一米
as that water accessed the bed and forced,
因?yàn)樗鞯搅吮仓?/div>
jacked up the ice sheet.
迫使冰原提升
So, we know that the water
我們知道
in this whole plumbing cavity system, down here,
水在這整個(gè)垂直墜落過程中
we know that shoots straight through that ice
徑直沖破了冰川
and actually hits the bed of the ice sheet.
直接撞擊了冰原的底部
We've hit the water, I can see the water now.
我們到水邊了 我能看到水了
Great. Nice work.
很棒 干得漂亮
