COSEE West – Colorado Collaborative Workshop via Video Conference - 05.09.2009

This presentation will explore the physical processes believed to be producing the observed drastic reduction in Arctic sea ice, emphasizing the interactions between sea ice and atmospheric processes. A key metric for the interaction with sea ice is the surface energy fluxes, and the primary atmospheric processes modulating surface energy fluxes include cloud radiative effects, atmospheric turbulent effects, and their linkages to storms. Direct radiative effects by greenhouse gases along with oceanographic and cryospheric mechanisms will also be discussed briefly. Field programs focused on understanding these processes demonstrate how the science is being advanced and the logistical difficulties involved. The explanations for the change in Arctic sea ice incorporate the basic radiative and global circulation concepts discussed in the first lecture by Dr. Fairall.

The COSEE West – Colorado Collaborative is a teacher professional development program that delivers a new ocean and climate science topic each year. This collaboration is between the Center for Ocean Sciences Education Excellence (COSEE) West, directed by University of Southern California, University of California Los Angeles, and the College of Exploration, and the University of Colorado's Cooperative Institute for Research in Environmental Sciences.

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