Measurement of snow cover depth using 100 × 100 meters sampling plot and Structure from Motion method in Adventdalen, Svalbard

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Authors

STUCHLÍK Radim RUSSNÁK Jan PLOJHAR Tomáš STACHOŇ Zdeněk

Year of publication 2017
Type Article in Periodical
Magazine / Source Czech Polar Reports
MU Faculty or unit

Faculty of Science

Citation
Web http://www.sci.muni.cz/CPR/12cislo/Stuchlik_2016-web.pdf
Doi http://dx.doi.org/10.5817/CPR2016-2-14
Field Earth magnetism, geography
Keywords snow depth; visual images; mapping; 100 × 100 m sampling plot; Svalbard; UAS
Description We tried to verify the concept of Structure from Motion method for measuring the volume of snow cover in a grid of 100 × 100 m located in Adventdalen, Central Svalbard. As referencing method we utilized 121 depth measurements in one hectare area. Using avalanche probe a snow depth was measured in mentioned 121 nodes of the grid. We detected maximum snow depth of 2.05 m but snowless parts as well. From gathered depths’ data we geostatistically (ordinary kriging) interpolated snow surface model which we used to determine reference volume of snow at research plot (5 569 m3 ). As a result, we were able to calculate important metrics and analyze topography and spatial distribution of snow cover at the plot. For taking photos for Structure from Motion method, bare pole in hands with a camera mounted was used. We constructed orthomosaic of research plot.
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