Table 3.

UAS and data parameters of field surveys.

UAS	Mounted sensor	Parameters of imagery	Spatial resolution	Purpose
Multi-copter (Tholeg THO-R-PX-8/10)	Senop Hyperspectral Imager (Rikola)	50 spectral channels in aerial mode. Spectral sampling of 8 nm at Siilinjärvi and 5 nm at Marinkas Quellen. Spectral range from 500 - 900 nm. Integration time 10 ms	6.5 cm at 100 m altitude.	High resolution aerial HSI
Fixed-wing (SenseFly eBeePlus)	Sensefly S.O.D.A.	Nadir stereo-photos	2.9 cm at 120 m altitude	Photogrammetry for topographic information