Terrain changes from images acquired on opportunistic flights by SfM photogrammetry

• Published in: The Cryosphere
• Main Authors: L. Girod, C. Nuth, A. Kääb, B. Etzelmüller, J. Kohler
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2017
• Subjects: geo; manag; Endeavour; Svalbard; glacier; The Cryosphere; Thermokarst
• Online Access: https://doi.org/10.5194/tc-11-827-2017; http://www.the-cryosphere.net/11/827/2017/tc-11-827-2017.pdf; https://doaj.org/article/da2737abd7174673aae825bbc564dc36

Acquiring data to analyse change in topography is often a costly endeavour requiring either extensive, potentially risky, fieldwork and/or expensive equipment or commercial data. Bringing the cost down while keeping the precision and accuracy has been a focus in geoscience in recent years. Structure...