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• yacrc: EVP Ctrl (WilliamConnolley), ~30 years, used as reference run for all the following exps
• yaebc: Different start dump (Starting time: 1st Dec)
• yaebd: No initial sea ice (Starting time: 1st Dec)
• yaebe: No initial sea ice (Starting time: 1st Jun)
• yaebf: No initial sea ice (Starting time: 1st Mar)
• yaebg: No initial sea ice (Starting time: 1st Sep)
• yaebj: No initial sea ice and modified ocean temperature (Starting time: 1st Sep)
• yaebk: No initial sea ice and modified ocean temperature (Starting time: 1st Mar)

• 28 Apr 2006 GCEP: Talk
  
• 11 May 2006 BAS: Poster
  
• 25 July 2006 GCEP: Talk
  

• 8-years time series of ice area, thickness, ocean temp + sal: Fig N-Hemi, Fig S-Hemi
• See yaebc and yaebd for area plots
  

Impact of starting season (comparing yacrc, yaebc, yaebd, yaebe, yaebf and yaebg ):

• 3-years time series of ice area, extent, volume and thickness: Fig N-Hemi, Fig S-Hemi
• 3-years time series of air temp, sfc temp, ocean temp + sal: Fig N-Hemi, Fig S-Hemi

• 4 Arctic cross sections of ocean mixed layer temp + sea ice fraction (monthly climate means): Fig Mar, Fig Jun, Fig Sep, Fig Dec
• 4 Antarctic cross sections of ocean mixed layer temp + sea ice fraction (monthly climate means): Fig Mar, Fig Jun, Fig Sep, Fig Dec
• 4 Arctic cross sections of ocean mixed layer sal + sea ice fraction (monthly climate means): Fig Mar, Fig Jun, Fig Sep, Fig Dec
• 4 Antarctic cross sections of ocean mixed layer sal + sea ice fraction (monthly climate means): Fig Mar, Fig Jun, Fig Sep, Fig Dec
• Cross section diff plots between March and September: Tocean Arctic, Tocean Antarctica, Sal Arctic, Sal Antarctica
• >>> no ocean temp changes below 350m, max ocean temp near sfc in areas in which sea ice occurs in wintertime: ~ 3deg C
• >>> new sensi exp without initial sea ice and min ocean temp of 3deg C for depths between 3000m and 0m (10 uppermost layers): yaebj and yaebk

Impact of modified ocean temperature (comparing yacrc, yaebf, yaebg, yaebj and yaebk ):

• Time series of ice area, extent, volume and thickness: Fig N-Hemi 8y, Fig S-Hemi 8y, Fig N-Hemi 15y, Fig S-Hemi 15y
• Time series of of air temp, sfc temp, ocean temp (5m) + sal (5m): Fig N-Hemi 8y, Fig S-Hemi 8y, Fig N-Hemi 15y, Fig S-Hemi 15y
• Time series of of sea level pressure, ocean temp (96m+204m) + sal (96m): Fig N-Hemi 8y, Fig S-Hemi 8y, Fig N-Hemi 15y, Fig S-Hemi 15y
• Time series of ice area, ice volume and, ocean temp (5m+204m) (prepared for e-science poster Notingham, Sep2006): Fig N-Hemi 10y, Fig S-Hemi 10y
• Area plots comparing 5-year-means against yacrc (sea ice, ocean, atmosphere):
  • yaebj (Sep 2001) 2003-2007 mean: N-Hemi-1, N-Hemi-2, S-Hemi-1, S-Hemi-2
  • yaebj (Sep 2001) 2008-2012 mean: N-Hemi-1, N-Hemi-2, S-Hemi-1, S-Hemi-2
  • yaebj (Sep 2001) 2014-2018 mean: N-Hemi-1, N-Hemi-2, S-Hemi-1, S-Hemi-2
  • yaebk (Mar 2001) 2003-2007 mean: N-Hemi-1, N-Hemi-2, S-Hemi-1, S-Hemi-2
  • yaebk (Mar 2001) 2008-2012 mean: N-Hemi-1, N-Hemi-2, S-Hemi-1, S-Hemi-2

• >>> Different behaviour between both hemispheres:
  • N-Hemi:
    > Relaxation time for ice area and ocean temp at 5m: ~ 5 years
    > Very stable stratificaiton in the uppermost ocean
    > Sea ice recovers fast, but higher ocean temp remains at depths betw. 50 and 200m
    > After 12 years: lower ice conc in central Arctic, but more sea ice in northern North Atlantic with reduced ocean temp and salinity (no complete recovery)
  • S-Hemi:
    > Relaxation time for ice area and ocean temp at 5m as well as 200m: ~ 8 years
    > Due to unstable stratification whole oceean column has to be cooled before sea ice recovers
    > After 12 years: only small diffs between yaebj and yacrc

-- DavidSchroder - 13 Oct 2006