Citations and References

Berger, A. (1978). A simple algorithm to compute long term variations of daily or monthly insolation. Contribution No. 18, Universite Catholique de Louvain, Institut d'Astronomie et de Geophysique, G. Lemaitre, Louvain-la-Neuve, B-1348 Belgique.

Berger A. and Loutre M.F. (1991). Insolation values for the climate of the last 10 million of years. Quaternary Sciences Review, 10(4), 297-317.

Fetterer, F., K. Knowles, W. Meier, and M. Savoie. (2009). Sea Ice Index. Boulder, Colorado USA: National Snow and Ice Data Center. Digital media.

Morello, L and ClimateWire 2011 Polar ice sheets melting faster than predicted. Scientific American, March 9. Retrieved from http://www.scientificamerican.com/article.cfm?id=polar-ice-sheets-melting-faster-than-predicted

NASA's Goddard Institute for Space Studies. (n.d.). GISS Surface Temperature Analysis (GISTEMP). Retrieved from http://data.giss.nasa.gov/gistemp/

National Governors Association Center for Best Practices. (2011). Common core state standards initiative. Retrieved from http://www.corestandards.org/

National Research Council. (2012). A framework for k-12 science education: Practices, crosscutting concepts, and core ideas. Washington D.C.: National Academies Press. Retrieved from http://www.nap.edu/catalog.php?record_id=13165

National Research Council. (1996). National Science Education Standards. National Committee for Science Education Standards and Assessment. Washington, DC: National Academy Press.

Berger, A. (1978). Long-term variations of daily insolation and quaternary climatic changes. Journal of Atmospheric Science, 35(12), 2362-2367.