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Aerial strategies advance volcanic gas measurements at inaccessible, strongly degassing volcanoes
- Source :
- Science Advances, Liu, E J, Aiuppa, A, Alan, A, Arellano, S, Bitetto, M, Bobrowski, N, Carn, S, Clarke, R, Corrales, E, Moor, J M D, Diaz, J A, Edmonds, M, Fischer, T P, Freer, J, Fricke, G M, Galle, B, Gerdes, G, Giudice, G, Gutmann, A, Hayer, C, Itikarai, I, Jones, J, Mason, E, Kilbride, B T M, Mulina, K, Nowicki, S, Rahilly, K, Richardson, T, Rüdiger, J, Schipper, C I, Watson, M & Wood, K 2020, ' Aerial strategies advance volcanic gas measurements at inaccessible, strongly degassing volcanoes ', Science Advances, vol. 6, no. 44, abb9103 . https://doi.org/10.1126/sciadv.abb9103, https://doi.org/10.1126/sciadv.abb9103
- Publication Year :
- 2020
- Publisher :
- American Association for the Advancement of Science (AAAS), 2020.
-
Abstract
- Aerial measurements using unoccupied aerial systems (UAS) transform our ability to measure and monitor volcanic plumes.<br />Volcanic emissions are a critical pathway in Earth’s carbon cycle. Here, we show that aerial measurements of volcanic gases using unoccupied aerial systems (UAS) transform our ability to measure and monitor plumes remotely and to constrain global volatile fluxes from volcanoes. Combining multi-scale measurements from ground-based remote sensing, long-range aerial sampling, and satellites, we present comprehensive gas fluxes—3760 ± [600, 310] tons day−1 CO2 and 5150 ± [730, 340] tons day−1 SO2—for a strong yet previously uncharacterized volcanic emitter: Manam, Papua New Guinea. The CO2/ST ratio of 1.07 ± 0.06 suggests a modest slab sediment contribution to the sub-arc mantle. We find 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. Our data emphasize the need to account for time averaging of temporal variability in volcanic gas emissions in global flux estimates.
- Subjects :
- 010504 meteorology & atmospheric sciences
sub-05
3705 Geology
010502 geochemistry & geophysics
Atmospheric sciences
01 natural sciences
Mantle (geology)
Carbon cycle
Volcanic Gases
Flux (metallurgy)
event
Research Articles
0105 earth and related environmental sciences
event.disaster_type
geography
Multidisciplinary
geography.geographical_feature_category
SciAdv r-articles
Sampling (statistics)
Sediment
37 Earth Sciences
3703 Geochemistry
Plume
Applied Sciences and Engineering
Volcano
Physical Sciences
Manam, volcanic gases, UAS
Research Article
Subjects
Details
- ISSN :
- 23752548
- Volume :
- 6
- Database :
- OpenAIRE
- Journal :
- Science Advances
- Accession number :
- edsair.doi.dedup.....da977fb71e9073bcee8dad4aecc5af5f