1. Surface air temperature and its changes over the past 150 years
2. Allaby M, Cox J (eds). Visual encyclopedia of earth. Washington, DC: National Geographic Society, 2008, pp. 116–132, 206.
3. Observing the Atlantic Meridional Overturning Circulation yields a decade of inevitable surprises
4. DNSC08 mean sea surface and mean dynamic topography models
5. IPCC. Climate Change Synthesis Report. Contribution of Working Groups I, II and III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change,” Core Writing Team Pachauri RK and Reisinger A (eds) IPCC, Geneva, Switzerland, 104 pp., Summary for Policy Makers. p. 11, Chapter 3, Observations: Surface and Atmospheric Climate Change, Sect. 3.6.2.1, 2007.