Melissa Lau spent a month in the tundra ecosystem gathering data using a device called a Greenseeker. This device measures exactly how green a plant is by calculating its NDVI or Normalized Difference Vegetation Index. In this lesson, students will explore light waves, how they interact with plants, and find out how green is green.
PolarTREC Teacher, Mark McKay, heads to the Bering Sea to participate in a research cruise with Dr. Ray Sambrotto. Read the article here or download the PDF (right).