. "7 Icebreaking Environments and Challenges to U.S. Fleet." Polar Icebreakers in a Changing World: An Assessment of U.S. Needs. Washington, DC: The National Academies Press, 2007.
The following HTML text is provided to enhance online
readability. Many aspects of typography translate only awkwardly to HTML.
Please use the page image
as the authoritative form to ensure accuracy.
Polar Icebreakers in a Changing World: An Assessment of U.S. Needs
FIGURE 7.1 Map of mean differences in ice concentration from the seasonal minima corresponding to (a) the September climatology in the Arctic and (b) the February climatology in the Antarctic. SOURCE: Comiso (2003).
