Users download and analyze satellite images showing the amount of ozone in the stratosphere. They interpret the images to identify the ozone "hole" that develops over Antarctica each summer, and compare its size from year to year. Using freely available image analysis software, ImageJ, users quantify the area of the Antarctic ozone hole each October from 1996 to 2004. Finally, they bring their measurements ... Full description.

In this activity, users learn about the variables that influence the abundance of phytoplankton, the microscopic plants that form the base of the marine food chain. Users apply this knowledge to make predictions about the timing of the spring phytoplankton bloom in the Gulf of Maine. They obtain and graph data from buoy monitoring stations and interpret them to make their predictions. They check their ... Full description.

This EET Chapter will introduce you to visualization capabilities available through NASA's Earth Observatory. You'll build several animations of satellite data that illustrate carbon pathways through the Earth system. For instance, you'll build animations of fire images that indicate carbon is being released into the atmosphere. You'll also make animations of plant productivity images that indicate ... Full description.