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Fresh volcanic aerosols injected in the atmosphere during the volcano eruptive activity at the Cumbre Vieja area (La Palma, Canary Islands): temporal evolution and vertical impact
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dc.contributor.authorCórdoba-Jabonero, Carmenes_ES
dc.contributor.authorSicard, Michaëles_ES
dc.contributor.authorBarreto Velasco, Áfricaes_ES
dc.contributor.authorToledano, Carloses_ES
dc.contributor.authorLópez Cayuela, María Ángeleses_ES
dc.contributor.authorGil Díaz, Cristinaes_ES
dc.contributor.authorGarcía Rodríguez, Omaira Elenaes_ES
dc.contributor.authorCarvajal Pérez, Clara Violetaes_ES
dc.contributor.authorComerón, Adolfoes_ES
dc.contributor.authorRamos López, Ramónes_ES
dc.contributor.authorMuñoz Porcar, Constantinoes_ES
dc.contributor.authorRodríguez Gómez, Alejandroes_ES
dc.identifier.citationAtmospheric Environment. 2023, 300, 119667es_ES
dc.description.abstractFor the first time in fifty years, the Cumbre Vieja volcanic area (La Palma, Canary Islands, Spain) erupted on September 19, 2021, giving birth to a new volcano. Fresh volcanic aerosols were continuously injected into the troposphere at different height levels, decreasing with time until the end of December 2021 (15 weeks duration). A wide set of different instrumentation was deployed all over the Island in order to evaluate the effects of the volcanic plumes on the atmosphere and the air quality. For the first time, a long-term study of the relative mass contribution and vertical impact of the volcanic components, ash and non-ash particles separately, during the eruptive activity was carried out in this work. In particular, a polarized Micro-Pulse Lidar (P-MPL) was deployed at Tazacorte (at around 8 km west from the volcano) in 24/7 operation from October 17, 2021 until the end of the volcano activity (11 weeks) for vertical monitoring of the volcanic particles. First, a statistical study of the mass conversion factors for mass concentration estimation of the volcanic (ash and non-ash) particles was performed by using the AERONET sun/sky-photometer dataset at Fuencaliente (at around 18 km south from the volcano). A representative mass conversion factor was obtained for ash and non-ash particles: 1.89 ± 0.53 and 0.31 ± 0.06 g m−2, respectively, with no dependence on time and optical depth. Second, these factors were used to calculate the ash and non-ash mass concentrations from P-MPL observations.es_ES
dc.description.sponsorshipThis research was funded by the Spanish Ministry of Science and Innovation (PID2020-118793GA-I00, PID2019- 104205GB-C21/AEI/10.13039/501100011033, PID2019-103886RB-I00, EQC2018-004686-P) and the Unit of Excellence “María de Maeztu” (MDM-2017-0737) and ACTRIS-Spain (CGL2017-90884-REDT) by the Spanish 595 State Research Agency (AEI). The authors wish to thank the support from the H2020 program of the European Union and ACTRIS (GA n. 19ENV04, 654109, 778349, 871115, 101008004, and 101086690), and the European components of AERONET acting in the frame of ACTRIS RI, and also AEROSPAIN and Junta de Castilla y León (VA227P20) for supporting the calibration of the AERONET sun photometer used in this publication.es_ES
dc.rightsLicencia CC: Reconocimiento–NoComercial–SinObraDerivada CC BY-NC-NDes_ES
dc.subjectMass conversion factorses_ES
dc.subjectPolarized Micro-Pulse Lidares_ES
dc.subjectRemote sensinges_ES
dc.subjectCumbre Vieja volcanoes_ES
dc.subjectSun/sky photometeres_ES
dc.subjectVolcanic ashes_ES
dc.titleFresh volcanic aerosols injected in the atmosphere during the volcano eruptive activity at the Cumbre Vieja area (La Palma, Canary Islands): temporal evolution and vertical impactes_ES
Appears in Collections:Artículos científicos 2023-2026

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