Table S2.

Projected length and percentage increase in the coastal ice-free season for each decade relative to the baseline (select years from 2006 to 2012) for RCP8.5 and RCP4.5

Region and scenarioLength of the coastal ice-free season (d)
20202030204020502060207020802090
South
 RCP 8.5
  Length225235246256267277288298
  Increase, %4.99.814.819.724.629.534.439.3
 RCP 4.5
  Length222231239247255264272280
  Increase, %3.97.811.615.519.423.327.131.0
Central
 RCP 8.5
  Length168185202218235252269286
  Increase, %6.717.328.038.749.360.070.681.3
 RCP 4.5
  Length166179191204217230242255
  Increase, %5.313.421.529.637.745.853.962.0
North
 RCP 8.5
  Length138153168183198213229244
  Increase, %8.320.232.244.156.168.080.091.9
 RCP 4.5
  Length135146156167177188198208
  Increase, %6.514.823.031.239.447.655.964.1