What is this?

This is a  tool to acquire and manipulate  satellite images.

Remote sensing is just as it sounds. It is the obtaining of information from a distance.

Students use websites such as Google Earth, Mapquest, Earthnow and Mapslive to view their world from the air and space.  With this tool students can do more than observe the images. They can choose, acquire, manipulate and interpret their own images to answer questions about how Ohio land changes and how those changes affect wildlife, people, and the future or create Earth art. 

In The Introduction Section A, links provide exploration of different kinds of remote sensing while Section B: The Basics, provide an introduction to remote sensing.The "Using Remote Sensing" part  supplies acquisition, interpretation, and analysis resources and directions. This tool is for teachers and students with a basic background in remote sensing or a motivation to learn the basics. It uses Multispec©, a free downloadable software program, and Ohiolink to transform and access LANDSAT images. It has been tested using PC computers. The author has included several classroom-tested activities. This tool is limited to Ohio only because OhioView has purchased terrain corrected images and offers them free for public use.  Besides the sites listed in the directions, a new alternate site for obtaining pre-selected images for the continental USA is: http://mvh.sr.unh.edu/Landsat/ .

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