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

  1. years
  2. formed
  3. unexpected
  4. times
  5. 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

  1. anew
  2. antarctic
  3. completely
  4. dynamic
  5. fact
  6. formed
  7. ice
  8. imagined
  9. level
  10. lore
  11. means
  12. melted
  13. meters
  14. million
  15. millions
  16. region
  17. ross
  18. sea
  19. sheet
  20. shelf
  21. tells
  22. tens
  23. time
  24. times
  25. unexpected
  26. west
  27. years