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Proceedings of the International Association of Hydrological Sciences An open-access publication for refereed proceedings in hydrology
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PIAHS | Articles | Volume 380
Proc. IAHS, 380, 81-85, 2018
https://doi.org/10.5194/piahs-380-81-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Proc. IAHS, 380, 81-85, 2018
https://doi.org/10.5194/piahs-380-81-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Post-conference publication 18 Dec 2018

Post-conference publication | 18 Dec 2018

Image acquisition effects on Unmanned Air Vehicle snow depth retrievals

Ahmet Emre Tekeli and Senayi Dönmez
Cited articles  
Avanzi, F., Bianchi, A., Cina, A., De Michele, C., Maschio, P., Pagliari, D., Passoni, D., Pinto, L., Piras, M., and Rossi, L.: Measuring the snowpack depth with Unmanned Aerial System photogrammetry: comparison with manual probing and a 3D laser scanning over a sample plot, The Cryosphere Discuss., https://doi.org/10.5194/tc-2017-57, 2017. 
Barnett, T. P., Adam, J. C., and Lettenmaier, D. P.: Potential impacts of a warming climate on water availability in snow-dominated regions, Nature, 438, 303–309, 2005 
Bühler, Y., Adams, M. S., Bösch, R., and Stoffel, A.: Mapping snow depth in alpine terrain with unmanned aerial systems (UASs): potential and limitations, The Cryosphere, 10, 1075–1088, https://doi.org/10.5194/tc-10-1075-2016, 2016. 
Colomina, I. and Molina, P.: Unmanned aerial systems for photogrammetry and remote sensing: A review, ISPRS J. Photogramm., 92, 79–97, 2014 
De Michele, C., Avanzi, F., Passoni, D., Barzaghi, R., Pinto, L., Dosso, P., Ghezzi, A., Gianatti, R., and Della Vedova, G.: Using a fixed-wing UAS to map snow depth distribution: an evaluation at peak accumulation, The Cryosphere, 10, 511–522, https://doi.org/10.5194/tc-10-511-2016, 2016. 
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Current study is unique in that the SD retrievals were derived using two different image acquisition modes. In the first, images were taken as UAV was continuously flying and in the second UAV kept its position in air fixed as the photos were taken. Root mean square error of derived SDs is found as 2.43 and 1.79 cm in continuous and fixed acquisitions. The results support the hypothesis, that fixed-position image acquisitions using multi-rotor platforms should enable more accurate SD estimates.
Current study is unique in that the SD retrievals were derived using two different image...
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