TY - JOUR A1 - Girod, L. A1 - Nuth, C. A1 - Kääb, A. A1 - Etzelmüller, B. A1 - Kohler, J. T1 - Terrain changes from images acquired on opportunistic flights by SfM photogrammetry JO - The Cryosphere J1 - TC VL - 11 IS - 2 SP - 827 EP - 840 Y1 - 2017/03/28 PB - Copernicus Publications SN - 1994-0424 UR - https://tc.copernicus.org/articles/11/827/2017/ L1 - https://tc.copernicus.org/articles/11/827/2017/tc-11-827-2017.pdf DO - 10.5194/tc-11-827-2017 ER -