Analyzing the Antarctic Ozone Hole part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
DATA: Total Ozone Mapping Spectrometer (TOMS) Images. TOOLS: ImageJ, Spreadsheet. SUMMARY: Animate and explore 10 years of Southern Hemisphere ozone images. Then measure and graph the area of the ozone hole over time.

Case Study: Why Should We Care if There is a Hole in the Ozone Layer? part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Case Study: Why Should We Care if There is a Hole in the Ozone Layer? What is the Ozone Hole? Record ozone hole over Antarctica. September 24, 2006. Click image for larger view. Image Source: NASA ...

Teaching Notes part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Teaching Notes Example Output Example Output Image of TOMS ozone hole data and a graph of changes in ozone hole area, 1996-2005, produced in a spreadsheet application. Click image for larger ...

Part 1—Download Software and Data part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Part 1âDownload Software and Data Step 1 – Download and Install ImageJ Software ImageJ is in the public domain. It can be freely downloaded and installed on any computer ...

Part 3—Highlight and Measure the Ozone Hole part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Part 3âHighlight and Measure the Ozone Hole Step 1 – Highlight and Outline the Ozone Hole Scientists who study the atmosphere consider areas with less than 220 Dobson Units (DU) ...

Step-by-Step Instructions part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Part 1 â Download Software and Data Download and install ImageJ software. Download Total Ozone Mapping Spectrometer (TOMS) images. Part 2 â Open and Explore Ozone Images Open, stack, ...

Part 2—Open and Explore Ozone Images part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Part 2âOpen and Explore Ozone Images Step 1 â Open Images in ImageJ Launch ImageJ by double-clicking its icon on your desktop (Mac or PC) or by clicking the icon in the dock ...

Tools and Data part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Tools and Data Tool 1 ImageJ https://imagej.nih.gov/ij/ ImageJ is a public domain Java image processing program. It runs, either as an online applet or as a downloadable application, on any ...

Going Further part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Going Further Variations In addition to comparing the ozone hole from year to year, you may want to explore how it changes from month to month. You can return to the TOMS website and request images ...

Part 4—Import and Graph the Data part of Earth Exploration Toolbook:Analyzing the Antarctic Ozone Hole
Part 4âImport and Graph the Data Step 1 – Import Results into a Spreadsheet Program Any spreadsheet program that can produce graphs can be used for this part. The instructions here ...