shuttle radar* Flashcards
1
Q
The Shuttle Radar Topography Mission
A
international research effort that obtained digital elevation models on a near-global scale from 56°S to 60°N, to generate the most complete high-resolution digital topographic database of Earth
2
Q
dry sand and radar waves
A
dry sand has a low dielectric constant, radar waves penetrate these particles several metres
3
Q
why 3 bands
A
the longer the wave length the more sand get penetrated
can generate a false colour images
4
Q
shuttle radar 3 bands meaning on false colour images
A
blue deep
black really deep
white shallow
5
Q
shuttle radar 3 bands
A
L-band (23.5cm
C-band (5.8cm
X-band (3.1cm