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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Water sampling using a drone at Yugama crater lake, Kusatsu-Shirane volcano, Japan

Fig. 2

Photographs of the drone operation on October 18, 2017. a Setup of the drone LAB645, with the rope and sampling bottle on the ground. b Taking off with the suspended sampling bottle. c Photograph above sampling point B shown in Fig. 1, taken by a camera on the drone. d Catching the bottle by hand just before landing. e Approach of the drone and sampling bottle to the surface of Yugama crater lake

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