Description
Orthophotos of 50 cm/pixel. Made from a digital flight of GSD 40 cm/pixel
Reference System ITRF93, Elipsoide WGS84, REGCAN95 Geodesic Network (version 2001), UTM Husso 28 projection system and altitudes referring to the average sea level determined on each island. Storage format: ECW.
Orthophotography is a geometrically corrected aerial photograph (ortorectified). Unlike an aerial image, an orthophoto can be used to make real measurements since it is an accurate representation of the earth’s surface, in which the distortions inherent in aerial images have been corrected. Orthophotos combine the detail and temporal coverage characteristics of aerial photographs and the uniform scale and geometric accuracy of the maps.
Dates: High flight (078, GSD 40 cm/pixel). Islands and dates:
The Iron: 29/11/2006-29/11/2006
La Gomera: 02/10/2006-13/10/2006
Tenerife: 09/10/2006-16/12/2006
Gran Canaria: 02/10/2006-12/10/2006
Fuerteventura: 30/11/2006-30/11/2006
Lanzarote: 24/10/2006-01/12/2006
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