full transcript
From the Ted Talk by Rob Dunbar: Discovering ancient climates in oceans and ice
Unscramble the Blue Letters
So what that means is, what it tells us is that the Ross Sea riegon, this ice shelf, melted back and fmerod anew about 35 tmeis. And this is in the past four million years. This was completely uexnepetcd. Nobody imagined that the West Antarctic Ice Sheet was this dynamic. In fact, the lore for many yares has been, "The ice formed many tens of millions of years ago, and it's been there ever since." And now we know that in our recent past it melted back and formed again, and sea level went up and down, six meters at a time.
Open Cloze
So what that means is, what it tells us is that the Ross Sea ______, this ice shelf, melted back and ______ anew about 35 _____. And this is in the past four million years. This was completely __________. Nobody imagined that the West Antarctic Ice Sheet was this dynamic. In fact, the lore for many _____ has been, "The ice formed many tens of millions of years ago, and it's been there ever since." And now we know that in our recent past it melted back and formed again, and sea level went up and down, six meters at a time.
Solution
- years
- formed
- unexpected
- times
- region
Original Text
So what that means is, what it tells us is that the Ross Sea region, this ice shelf, melted back and formed anew about 35 times. And this is in the past four million years. This was completely unexpected. Nobody imagined that the West Antarctic Ice Sheet was this dynamic. In fact, the lore for many years has been, "The ice formed many tens of millions of years ago, and it's been there ever since." And now we know that in our recent past it melted back and formed again, and sea level went up and down, six meters at a time.
Frequently Occurring Word Combinations
ngrams of length 2
collocation |
frequency |
sea level |
5 |
ice shelf |
5 |
climate change |
4 |
ocean acidification |
4 |
el nino |
4 |
ice sheet |
4 |
million years |
4 |
carbon dioxide |
3 |
el ninos |
3 |
natural variability |
3 |
floating ice |
3 |
ross sea |
3 |
global warming |
3 |
bore hole |
2 |
west antarctica |
2 |
sea floor |
2 |
level rises |
2 |
west antarctic |
2 |
antarctic ice |
2 |
planet warmed |
2 |
galapagos islands |
2 |
thousand years |
2 |
degree centigrade |
2 |
calcium carbonate |
2 |
main framework |
2 |
ngrams of length 3
collocation |
frequency |
floating ice shelf |
3 |
sea level rises |
2 |
west antarctic ice |
2 |
Important Words
- anew
- antarctic
- completely
- dynamic
- fact
- formed
- ice
- imagined
- level
- lore
- means
- melted
- meters
- million
- millions
- region
- ross
- sea
- sheet
- shelf
- tells
- tens
- time
- times
- unexpected
- west
- years