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….? PowerPoint PPT Presentation


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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 ?

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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 ?

Can we pretend we are now able to predict what will happen in summer 2008 ?


UCAR 2007, Steve Deyo


Arctic sea-ice summer minimum extent

106 km2

1979

1990

2007

2000


NP 34 2005

TARA

Sept 2006

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)


SSM/I

Four days Sea-ice drift (April 30-May 3, 2002)

Quickscat

ERS

2002

Year

Time series of arctic perennial sea-ice from ERS and Quickscat scatterometer.

Backscatter maps and intercomparison with passive microwave data


Ice thickness changes

Sea ice thickness variations

(Rothrock et al. ,1999)


Tfreez - 1.7C


Ron KWOK GRL. Vol 34, 2007


05-06

96-97

04-05

06-07


MAIA

RAC

BARENTS

SEA

JMC

EGC

NIC

3 Sv

NAC

NCC

9 Sv

Sellafield

I129

La Hague


Profils verticaux de température et de salinité

observés d’avril à juin 2002 (April-June) entre 89°N et 87°N


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