SRTM vs ASTER elevation products. Comparison for two regions in Crete, Greece

@article{Nikolakopoulos2006SRTMVA,
  title={SRTM vs ASTER elevation products. Comparison for two regions in Crete, Greece},
  author={Konstantinos G. Nikolakopoulos and E. K. Kamaratakis and Nektarios Chrysoulakis},
  journal={International Journal of Remote Sensing},
  year={2006},
  volume={27},
  pages={4819 - 4838}
}
The Shuttle Radar Topography Mission (SRTM) collected elevation data over 80% of earth's land area during an 11‐day Space Shuttle mission. With a horizontal resolution of 3 arc sec, SRTM represents the best quality, freely available digital elevation models (DEMs) worldwide. Since the SRTM elevation data are unedited, they contain occasional voids, or gaps, where the terrain lay in the radar beam's shadow or in areas of extremely low radar backscatter, such as sea, dams, lakes and virtually any… 
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