How Volcanoes Cover With Their Ash ...

How Volcanoes Cover With Their Ash ...

Destruction and Revegetation Study of
Mt. St. Helens Using Landsat Images

Image from: http://volcano.und.nodak.edu/vwdocs/volc_images/img_st_helens.html

WELCOME VOLCANOPHILES!

Abstract:
This lesson focuses on the effects of volcanic eruptions on land cover and vegetation. Specifically we will look at Landsat images of Mt. St. Helens in 1973, 1983, and 1988, and numerically analyze the images several different ways, drawing conclusions about the effects of the eruption as well as the best method for the analysis.

Outcome:
Students will:

analyze landsat imagery in a variety of ways
use the Internet to acquire and interpret data
using matrices and matrix algebra to extract data from images
choose and defend a position


Suggested Grade Level & Duration:
Grades 9-12; 2 to 3 fifty-minute periods.

Materials:
Internet-capable computer with a graphical viewer and spreadsheet program, a ruler or other type of measuring device, printer - color would be best.

Background - Procedure - Printable - Standards - Credits