WETMAAP Skill 1
Cape Hatteras: Element 8  

Skill 1: Map Use
Element 8: Use of Airborne Image

Materials:

1992 Airborne TM Images (1&2)
1992 Aerial Photograph
NASA pamphlet on Airborne Program
Magnifying glass

Exercises: The 1992 Aerial Photograph is a Color Infrared (CIR) Image.

Which of the two Airborne TM Images approximates a Color Infrared image?

The other Airborne TM Images replicates a Natural Color (NC) Image.

What does "Natural Color" mean?

On which of the two Airborne TM Images does:

(Check appropriate column)

CIR NC

Vegetation look most natural
Vegetation most distinguishable from other land cover types
Vegetation most distinguishable from itself
Sand bar and Flats are most discernable
Wetlands show up best
Beaches show up best
Urban areas show up best

 

Compare the Color Infrared Airborne (TM-CIRA) Image to the Color Infrared Aerial Photograph (CIRAP)

(Circle appropriate choice)

Which has the best resolution (sharpest features)	CIRA -TM	CIRAP
Is there a difference in vegetation appearance between the two?	YES	NO
Is there a difference in appearance between Sand Bars and Flats?	YES	NO

 

 

What is the scale of the Airborne TM Image? (Refer to Skill 2, Element 1: Scale)

Scale: