1. Another one for the record books
Sea ice summer of 2012
Another one for the record books 1

2. Prologue: Ice age
M. Tschudi
Slightly older ice

3. Prologue: Ice thickness Ice thickness of 2 – 4 m in March
Icebridge
Ice thickness of 2 – 4 m in March

4. March extent close to average
Prologue: Ice extent
March
March extent close to average

5. Prologue: Ice extent
April
April pretty good

6. Prologue: Ice extent
May
May still strong

7. Prologue: Ice extent
June
June hanging in there

8. Prologue: Ice extent
July
July starting to fade

9. The August Storm
August 01

10. August 01

11. August 02

12. August 03

13. August 04

14. August 05

15. August 06

16. August 07

17. August 08

18. August 09

19. August 10

20. August 11

21. August 12

22. August 13

23. August 14

24. August 15

25. August 16

26. August 17

27. August 18

28. August 19

29. August 20

30. August 21

31. August 22

32. August 23

33. August 24

34. August 25
Happy birthday!

35. Large decrease in ice extent
The August Storm
August August 25
Large decrease in ice extent

36. Summer melt: Ice extent
A new record low

37. Sea ice extent – September
Decrease of
14 % per decade
Downward trend, new record low in 2012

38. Monthly average ice extents
A downward trend, most pronounced in summer

39. Years of major ice losses
1985
1990
1980
1995
2000
2005

40. That are accelerating
2007
2008
2009
2010
2011
2012
What’s next?

41. The summer of 2012
A new record low

42. What about the summer of 2013?
Draw the September 2013 minimum ice extent
There will be a prize
What’s next

43. . .

44. 1985
1990
1980
1995
2000
2005

45. 2007
2008
2009
2010
2011
2012

46. Draw the September 2013 minimum ice extent
There will be a prize