Google Earth Tours of Glacier Change
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A detailed Google Earth tour of glacier change over the last 50 years is given in class as an introduction. Students are then asked to select from a group of glaciers and create their own Google Earth tour exploring key characteristics and evident changes in that glacier.
This activity part of an introductory-level required environmental geology course. The tours of glaciers uploaded here also provide a great means to illustrate glacier changes due to climate change. However, this is best learned by the students exploring a glacier for themselves.
Skills and concepts that students must have mastered
Students must be able to look at glaciers in Google Earth and understand what they are seeing. This is covered in the lecture section and can be reinforced in lab.
How the activity is situated in the course
This is about a third of the way through the semester, after students are already practiced in general use of Google Earth.
Content/concepts goals for this activity
To have the students make their own observations and identify the consequences of climate change on an alpine glacier, not to just read about it.
Higher order thinking skills goals for this activity
The students will need to be able to visually analyze the geographic characteristics of glaciers and glacial landforms. This means understanding the basic behavior of a glacier. For example, students need to be able to visually identify what would cause an increase or decrease in crevassing in a particular area.
Other skills goals for this activity
To learn how to utilize Google Earth to both learn from and teach with.
Description of the activity/assignment
To prepare for this assignment students have already used Google Earth to examine beach erosion, but they have not yet created any new content with Google Earth. Students are already competent navigators and are accustomed to the perspective views used in Google Earth. In this assignment students first go through a prepared Google Earth tour on Juneau Icefield glaciers, and answer questions about glacier features. Then students create their own Google Earth tour, using placemarks to identify key features of their glacier.
Determining whether students have met the goals
1) That technically they put together the Google Earth file correctlyMore information about assessment tools and techniques.
2) I examine the accuracy of their interpretation.
3) I determine the level of insight that their placemarks offer.
Teaching materials and tips