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This chapter describes how to set a scale and measure distances and areas on satellite images. Using ImageJ, a freely available image analysis program that runs on most operating systems, users set the spatial calibration of an image, then select and measure distances and areas on it. The measurement results are reported in real-world units. The technique is most useful and accurate for nadir view ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Computer activity, Case study, Module / Unit, Tutorial, Imagery - remotely sensed, Remotely sensed dataset
Subject: Environmental science, Human geography, Physical geography
 
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Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
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This resource is included in the following collections:
NASA Reviewed Collection    Browse collection
DLESE Reviewed Collection (DRC) DLESE Reviewed Collection    Browse collection
Earth Exploration Toolbook (EET)     Browse collection