TY - JOUR A1 - Alfredsen, K. A1 - Haas, C. A1 - Tuhtan, J. A. A1 - Zinke, P. T1 - Brief Communication: Mapping river ice using drones and structure from motion JO - The Cryosphere J1 - TC VL - 12 IS - 2 SP - 627 EP - 633 Y1 - 2018/02/21 PB - Copernicus Publications SN - 1994-0424 UR - https://tc.copernicus.org/articles/12/627/2018/ L1 - https://tc.copernicus.org/articles/12/627/2018/tc-12-627-2018.pdf DO - 10.5194/tc-12-627-2018 ER -