Here is a great interview with Dr. Iverson on Iowa Public Radio. He gives an excellent overview of the research, why he has chosen Mulajokull as a location, and the significance of understanding glacial mechanics and movement in light of global climate change.
While in Toolik Lake, Alaska, PolarTREC teacher Susan Steiner worked with a robotic platform that traversed sections of tundra collecting information on a variety of different environmental variables. This article describes the sensors and instrumentation used on the platform in greater detail.