Julian Rüdiger

TL;DR: In this article, the authors demonstrate the successful deployment of a multirotor UAV system with custom-made lightweight payloads for the compositional analysis and gas flux estimation of volcanic plumes.

TL;DR: It is found that aerial strategies reduce uncertainties associated with ground-based remote sensing of SO2 flux and enable near–real-time measurements of plume chemistry and carbon isotope composition and the need to account for time averaging of temporal variability in volcanic gas emissions in global flux estimates is emphasized.

TL;DR: In this article, a multi-rotor drone has been adapted for studies of volcanic gas plumes, which includes improved capacity for high-altitude and long-range, real-time SO2 concentration monitoring, longrange manual control, remotely activated bag sampling and plume speed measurement capabilities.

TL;DR: In this paper, a gas diffusion denuder sampling method using 1,3,5-trimethoxybenzene (1,3-5-TMB)-coated glass tubes for the in situ derivatization of reactive halogen species (RHS) was characterized by a series of laboratory experiments.

TL;DR: In this article, gas diffusion denuder sampling followed by GC-MS analysis was performed on the plume of the Santiago Crater of Masaya volcano in Nicaragua to determine the reactive species of bromine, chlorine and iodine.