Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements
<p>The eruptions of the Tajogaite volcano on the western flank of the Cumbre Vieja ridge on the island of La Palma between September and December 2021 released large amounts of ash and <span class="inline-formula">SO<sub>2</sub></span>. Transport and dispersio...
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Copernicus Publications
2025-01-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://acp.copernicus.org/articles/25/1253/2025/acp-25-1253-2025.pdf |
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| author | P. Hedelt J. Reichardt F. Lauermann B. Weiß N. Theys A. Redondas A. Barreto O. Garcia D. Loyola |
| author_facet | P. Hedelt J. Reichardt F. Lauermann B. Weiß N. Theys A. Redondas A. Barreto O. Garcia D. Loyola |
| author_sort | P. Hedelt |
| collection | DOAJ |
| description | <p>The eruptions of the Tajogaite volcano on the western flank of the Cumbre Vieja ridge on the island of La Palma between September and December 2021 released large amounts of ash and <span class="inline-formula">SO<sub>2</sub></span>. Transport and dispersion of the volcanic emissions were monitored by ground-based stations and satellite instruments alike. In particular, the spectrometric fluorescence and Raman lidar for atmospheric moisture sensing (RAMSES) at the Lindenberg Meteorological Observatory measured the plume of the strongest Tajogaite eruption of 22–23 September 2021 over northeastern Germany 4 d later. This study provides an analysis of <span class="inline-formula">SO<sub>2</sub></span> vertical column density (VCD) and layer height (LH) measurements of the volcanic plume obtained with Sentinel-5 Precursor/TROPOspheric Monitoring Instrument (TROPOMI), which are compared to the observations at several stations across the Canary Islands. Furthermore, a new modeling approach based on TROPOMI <span class="inline-formula">SO<sub>2</sub></span> VCD measurements and the Hybrid Single-Particle Lagrangian Integrated Trajectory Model (HYSPLIT) was developed, which confirmed the link between Tajogaite eruptions and Lindenberg measurements. Modeled mean emission height at the volcanic vent is in excellent agreement with co-located TROPOMI <span class="inline-formula">SO<sub>2</sub></span> LH and local lidar ash-height measurements. Finally, a comprehensive discussion of the RAMSES measurements is presented. A new retrieval approach has been developed to estimate the microphysical properties of the volcanic aerosol. For the first time, an optical particle model is utilized that assumes an irregular, non-spheroidal shape of the aerosol particles. According to the analysis, the volcanic aerosol consisted solely of fine-mode inorganic, solid, and irregularly shaped particles – the presence of large aerosol particles or wildfire aerosols could be excluded. The particles likely had an isometric to slightly plate-like shape with an effective half of the particle maximum dimension around 0.1 <span class="inline-formula">µm</span> and a refractive index of about 1.51. Moreover, mass column values between 70 and 110 <span class="inline-formula">mg m<sup>−2</sup></span>, mean mass concentrations of 45–70 <span class="inline-formula">µg m<sup>−3</sup></span>, and mean mass conversion factors between 0.21 and 0.33 <span class="inline-formula">g m<sup>−2</sup></span> at 355 <span class="inline-formula">nm</span> were retrieved. Possibly RAMSES observed, at least in part, volcanic secondary sulfate aerosol, which was produced by gas-phase homogeneous reactions during the transport of the air masses from La Palma to Lindenberg.</p> |
| format | Article |
| id | doaj-art-1c07234ae709448699a4198d38493dfb |
| institution | Kabale University |
| issn | 1680-7316 1680-7324 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Copernicus Publications |
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| series | Atmospheric Chemistry and Physics |
| spelling | doaj-art-1c07234ae709448699a4198d38493dfb2025-01-29T11:06:08ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242025-01-01251253127210.5194/acp-25-1253-2025Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurementsP. Hedelt0J. Reichardt1F. Lauermann2B. Weiß3N. Theys4A. Redondas5A. Barreto6O. Garcia7D. Loyola8Deutsches Zentrum für Luft- und Raumfahrt, Remote Sensing Institute (DLR-IMF), Wessling, GermanyDeutscher Wetterdienst (DWD), Meteorologisches Observatorium Lindenberg, Lindenberg, GermanyDeutscher Wetterdienst (DWD), Meteorologisches Observatorium Lindenberg, Lindenberg, GermanyDeutsches Zentrum für Luft- und Raumfahrt, Remote Sensing Institute (DLR-IMF), Wessling, GermanyRoyal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, BelgiumIzaña Atmospheric Research Center, AEMET – State Meteorological Agency, Santa Cruz de Tenerife, SpainIzaña Atmospheric Research Center, AEMET – State Meteorological Agency, Santa Cruz de Tenerife, SpainIzaña Atmospheric Research Center, AEMET – State Meteorological Agency, Santa Cruz de Tenerife, SpainDeutsches Zentrum für Luft- und Raumfahrt, Remote Sensing Institute (DLR-IMF), Wessling, Germany<p>The eruptions of the Tajogaite volcano on the western flank of the Cumbre Vieja ridge on the island of La Palma between September and December 2021 released large amounts of ash and <span class="inline-formula">SO<sub>2</sub></span>. Transport and dispersion of the volcanic emissions were monitored by ground-based stations and satellite instruments alike. In particular, the spectrometric fluorescence and Raman lidar for atmospheric moisture sensing (RAMSES) at the Lindenberg Meteorological Observatory measured the plume of the strongest Tajogaite eruption of 22–23 September 2021 over northeastern Germany 4 d later. This study provides an analysis of <span class="inline-formula">SO<sub>2</sub></span> vertical column density (VCD) and layer height (LH) measurements of the volcanic plume obtained with Sentinel-5 Precursor/TROPOspheric Monitoring Instrument (TROPOMI), which are compared to the observations at several stations across the Canary Islands. Furthermore, a new modeling approach based on TROPOMI <span class="inline-formula">SO<sub>2</sub></span> VCD measurements and the Hybrid Single-Particle Lagrangian Integrated Trajectory Model (HYSPLIT) was developed, which confirmed the link between Tajogaite eruptions and Lindenberg measurements. Modeled mean emission height at the volcanic vent is in excellent agreement with co-located TROPOMI <span class="inline-formula">SO<sub>2</sub></span> LH and local lidar ash-height measurements. Finally, a comprehensive discussion of the RAMSES measurements is presented. A new retrieval approach has been developed to estimate the microphysical properties of the volcanic aerosol. For the first time, an optical particle model is utilized that assumes an irregular, non-spheroidal shape of the aerosol particles. According to the analysis, the volcanic aerosol consisted solely of fine-mode inorganic, solid, and irregularly shaped particles – the presence of large aerosol particles or wildfire aerosols could be excluded. The particles likely had an isometric to slightly plate-like shape with an effective half of the particle maximum dimension around 0.1 <span class="inline-formula">µm</span> and a refractive index of about 1.51. Moreover, mass column values between 70 and 110 <span class="inline-formula">mg m<sup>−2</sup></span>, mean mass concentrations of 45–70 <span class="inline-formula">µg m<sup>−3</sup></span>, and mean mass conversion factors between 0.21 and 0.33 <span class="inline-formula">g m<sup>−2</sup></span> at 355 <span class="inline-formula">nm</span> were retrieved. Possibly RAMSES observed, at least in part, volcanic secondary sulfate aerosol, which was produced by gas-phase homogeneous reactions during the transport of the air masses from La Palma to Lindenberg.</p>https://acp.copernicus.org/articles/25/1253/2025/acp-25-1253-2025.pdf |
| spellingShingle | P. Hedelt J. Reichardt F. Lauermann B. Weiß N. Theys A. Redondas A. Barreto O. Garcia D. Loyola Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements Atmospheric Chemistry and Physics |
| title | Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements |
| title_full | Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements |
| title_fullStr | Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements |
| title_full_unstemmed | Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements |
| title_short | Analysis of the long-range transport of the volcanic plume from the 2021 Tajogaite/Cumbre Vieja eruption to Europe using TROPOMI and ground-based measurements |
| title_sort | analysis of the long range transport of the volcanic plume from the 2021 tajogaite cumbre vieja eruption to europe using tropomi and ground based measurements |
| url | https://acp.copernicus.org/articles/25/1253/2025/acp-25-1253-2025.pdf |
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