Key to data types

Click on an icon to find out more information about this data type

Passive
Airborne multispectral Satellite multispectral Airborne hyperspectral Airborne hyperspectral Satellite hyperspectral Satellite hyperspectal
Airborne photography Small pixel size Fine pixel size Medium pixel size Coarse pixel size
Active
Airborne radar Airborne laser Airborne laser Satellite radar Underwater acoustics
Field based
Boat based visual Diving visual Diving visual Snorkelling visual Snorkelling visual    
Symbols
$
 Operational but costly
?
 Feasible but not operational E Possible if the extent is bigger than several pixels    
 


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Last Updated: 21 June 2006