Volcanic Plumes.Impacts on the Atmosphere and Insights into Volcanic Processes

Volcanoes release plumes of gas and ash to the atmosphere during episodes of passive and explosive behavior. These ejecta have important implications for the chemistry and composition of the troposphere and stratosphere, with the capacity to alter Earth's radiation budget and climate system ove...

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Main Author: McGonigle, Andrew
Other Authors: Sellitto, Pasquale, Salerno, Giuseppe
Format: eBook
Published: MDPI - Multidisciplinary Digital Publishing Institute 2019
Subjects:
N/a
So2
Gas
O3
Ssa
Bro
Online Access:
Collection: Directory of Open Access Books - Collection details see MPG.ReNa
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100 1 |a McGonigle, Andrew 
245 0 0 |a Volcanic Plumes.Impacts on the Atmosphere and Insights into Volcanic Processes  |h Elektronische Ressource 
260 |b MDPI - Multidisciplinary Digital Publishing Institute  |c 2019 
300 |a 1 electronic resource (252 p.) 
653 |a UV cameras 
653 |a satellite remote sensing 
653 |a Taylor bubble 
653 |a volcanic geochemistry 
653 |a puffing 
653 |a degassing processes 
653 |a Python 2.7 
653 |a Holuhraun 
653 |a volcanic emissions 
653 |a interdisciplinary volcanology 
653 |a image processing 
653 |a n/a 
653 |a eruption start and duration 
653 |a portable photometry 
653 |a gas slug 
653 |a Differential Absorption Lidar (DIAL) 
653 |a geochemical modelling 
653 |a SO2 
653 |a SEVIRI data 
653 |a volcanology 
653 |a analysis software 
653 |a volcanic gases 
653 |a fissure eruption 
653 |a gas 
653 |a hyperspectral remote sensing 
653 |a Mount Etna 
653 |a atmospheric chemistry 
653 |a plume 
653 |a oxygen and sulfur multi-isotopes 
653 |a O3 
653 |a volcanic sulfate aerosols 
653 |a volcanic CO2 flux 
653 |a SSA 
653 |a Science (General) 
653 |a volcanic plume top height 
653 |a spherical-cap bubble 
653 |a BrO 
653 |a Bárðarbunga 
653 |a aerosol optical properties 
653 |a nonlinear PCA 
653 |a remote sensing 
653 |a eruption monitoring 
653 |a ultraviolet cameras 
653 |a radiative transfer 
653 |a radioactive disequilibria 210Pb-210Bi-210Po 
653 |a cloud height 
653 |a radiative forcing 
653 |a reactive halogen 
653 |a basaltic volcanism 
653 |a volcanic plumes 
653 |a time averaged discharge rate 
653 |a atmospheric remote sensing 
653 |a 2011–2015 Etna lava fountains 
653 |a gases 
653 |a Etna volcano 
653 |a nonlinear spectral unmixing 
653 |a volcanic aerosols 
653 |a strombolian 
700 1 |a Sellitto, Pasquale 
700 1 |a Salerno, Giuseppe 
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520 |a Volcanoes release plumes of gas and ash to the atmosphere during episodes of passive and explosive behavior. These ejecta have important implications for the chemistry and composition of the troposphere and stratosphere, with the capacity to alter Earth's radiation budget and climate system over a range of temporal and spatial scales. Volcanogenic sulphur dioxide reacts to form sulphate aerosols, which increase global albedo, e.g., by reducing surface temperatures, in addition to perturbing the formation processes and optical properties of clouds. Released halogen species can also deplete stratospheric and tropospheric ozone. Volcanic degassing, furthermore, played a key role in the formation of Earth’s atmosphere, and volcanic plumes can affect air quality, pose hazards to aviation and human health, as well as damage ecosystems. The chemical compositions and emission rates of volcanic plumes are also monitored via a range of direct-sampling and remote-sensing instrumentation, in order to gain insights into subterranean processes, in the respect of the magmatic bodies these volatiles exsolve from. Given the significant role these gases play in driving volcanic activity, e.g., via pressurisation, the study of volcanic plumes is proving to be an increasingly fruitful means of improving our understanding of volcanic systems, potentially in concert with observations from geophysics and contributions from fluid dynamical modelling of conduit dynamics.