IPCC Fourth Assessment Report: Climate Change 2007
Climate Change 2007: Working Group I: The Physical Science Basis
Figure 4.12

Figure 4.12. Time series of modelled Fram Strait sea ice area and volume flux, along with the NAO index. Also shown are observational estimates of area flux (Kwok and Rothrock, 1999) and volume flux (Vinje et al., 1998). Reproduced from Hilmer and Jung (2000).