Summary: Supplementary Material
Sea Ice, High-Latitude Convection, and Equable Climates
Dorian S. Abbot and Eli Tziperman
Submitted to Geophysical Research Letters
Figure S1: Cloud radiative forcing and sea ice data for January 1985. (a) Sea ice extent. (b) Sea ice
concentration, i.e., fraction sea covered by ice. (c) Net cloud radiative forcing. The sea ice plots
were obtained from the National Snow and Ice Data center (Fetterer et al., 2002, updated 2007).
The cloud radiative forcing plot is Plate 5b in Harrison et al. (1990).
(a) TOA SW [W m