The instructions for this chapter have 5 main parts. Click each Part name to see the steps in that part.

Part 1-Download and Install ImageJ and Sea Ice Data

Download ImageJ software and acquire sea ice data sets from the National Snow and Ice Data Center.

Part 2-Measure Sea Ice with ImageJ

Get an overview of the changes in sea ice by importing the data sets into ImageJ, applying a lookup table, and animating the images. Measure the extent of sea ice for the month of November.

Part 3-Import and Process the Sea Ice Data in Excel

Import the measurements from part 2 into Excel and process the data.

Part 4-Examine Temperature Trends

Download data on Arctic temperatures from the NOAA Earth System Research Laboratory (ESRL) Climate Analysis Branch. Graph the temperature trends in Excel.

Part 5-Examine Sea Ice Decline Elsewhere in the Region

Measure sea ice decline elsewhere in the region using the tools and data from parts 2-4.

• Whither Arctic Sea Ice?
• Teaching Notes
• Case Study: Whither Arctic Sea Ice?
• Step-by-Step Instructions
• Part 1—Download ImageJ and Sea Ice Data
• Part 2—Import, Animate, and Measure Sea Ice
• Part 3—Import and Process Sea Ice Data
• Part 4—Examine Arctic Temperature Trends
• Part 5—Check the trends elsewhere in the Arctic
• Going Further
• Tools and Data