set of recommendations do we understand what happened in 2007, 2005, 1997 etc….?
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Set of Recommendations Do we understand what happened in 2007, 2005, 1997 etc….? Do we understand why predictions are not reproducing the interrannual variability ? Are predictions more reliable as far as long term trend is concerned ? - PowerPoint PPT PresentationTRANSCRIPT
Set of Recommendations
Do we understand what happened in 2007, 2005, 1997 etc….?
Do we understand why predictions are not reproducing the interrannual variability ?
Are predictions more reliable as far as long term trend is concerned ?
Can we pretend we are now able to predict what will happen in summer 2008 ?
UCAR 2007, Steve Deyo
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1 3 5 7 9 11 13 15 17 19 21 23 25 27 29
Série1
106 km2
1979 2007
Arctic sea-ice summer minimum extent
1990 2000
TARASept 2006
NP 34 2005
Vagabond
TARA
FRAM
Four-day sea-ice drifts from April 30 until May 3, 2002 deduced from Quickscat
(R. Ezraty and J-F. Piollé, user manual ref C2-MUT-W-06-IF, April 2003)
Time series of arctic perennial sea-ice from ERS and Quickscat scatterometer.
Backscatter maps and intercomparison with passive microwave data
Quickscat
ERS
SSM/I
Year
2002
Four days Sea-ice drift (April 30-May 3, 2002)
Sea ice thickness variations
(Rothrock et al. ,1999)
Ice thickness changes
Tfreez - 1.7C
Ron KWOK GRL. Vol 34, 2007
96-9705-06
06-0704-05
9 Sv
3 Sv
RAC
JMC
NAC
La Hague
Sellafield
NCC
I129
BARENTSSEA
MAIA
EGCNIC
Profils verticaux de température et de salinité observés d’avril à juin 2002 (April-June) entre 89°N et 87°N
