Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas
Detailed knowledge on the formation of new aerosol particles in the atmosphere from precursor gases, and their subsequent growth, commonly known as new particle formation (NPF) events, is one of the largest challenges in atmospheric aerosol science. High pre-existing particle loadings are expected t...
| Autores: | , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2023 |
| País: | España |
| Recursos: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/341288 |
| Acesso em linha: | http://hdl.handle.net/10261/341288 |
| Access Level: | acceso abierto |
| Palavra-chave: | Desert dust new particle formation events cloud condensation nuclei budget dust-influenced areas |
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Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| title |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| spellingShingle |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas Casquero-Vera, Juan Andrés Desert dust new particle formation events cloud condensation nuclei budget dust-influenced areas |
| title_short |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| title_full |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| title_fullStr |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| title_full_unstemmed |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| title_sort |
Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areas |
| dc.creator.none.fl_str_mv |
Casquero-Vera, Juan Andrés Pérez-Ramírez, Daniel Lyamani, Hassan Rejano, Fernando Casans, Andrea Titos, Gloria Olmo, Francisco José Dada, Lubna Hakala, Simo Hussein, Tareq Lehtipalo, Katrianne Paasonen, Pauli Hyvärinen, Antti Pérez, Noemí Querol, Xavier Rodríguez González, Sergio Kalivitis, Nikos González, Yenny Alghamdi, Mansour A. Kerminen, Veli-Matti Alastuey, Andrés Petäjä, Tuukka Alados-Arboledas, Lucas |
| author |
Casquero-Vera, Juan Andrés |
| author_facet |
Casquero-Vera, Juan Andrés Pérez-Ramírez, Daniel Lyamani, Hassan Rejano, Fernando Casans, Andrea Titos, Gloria Olmo, Francisco José Dada, Lubna Hakala, Simo Hussein, Tareq Lehtipalo, Katrianne Paasonen, Pauli Hyvärinen, Antti Pérez, Noemí Querol, Xavier Rodríguez González, Sergio Kalivitis, Nikos González, Yenny Alghamdi, Mansour A. Kerminen, Veli-Matti Alastuey, Andrés Petäjä, Tuukka Alados-Arboledas, Lucas |
| author_role |
author |
| author2 |
Pérez-Ramírez, Daniel Lyamani, Hassan Rejano, Fernando Casans, Andrea Titos, Gloria Olmo, Francisco José Dada, Lubna Hakala, Simo Hussein, Tareq Lehtipalo, Katrianne Paasonen, Pauli Hyvärinen, Antti Pérez, Noemí Querol, Xavier Rodríguez González, Sergio Kalivitis, Nikos González, Yenny Alghamdi, Mansour A. Kerminen, Veli-Matti Alastuey, Andrés Petäjä, Tuukka Alados-Arboledas, Lucas |
| author2_role |
author author author author author author author author author author author author author author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Ministerio de Ciencia e Innovación (España) Agencia Estatal de Investigación (España) European Commission Ministerio de Universidades (España) Academy of Finland Universidad de Granada Consejo Superior de Investigaciones Científicas (España) Deanship of Scientific Research, King Abdulaziz University Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] |
| dc.subject.none.fl_str_mv |
Desert dust new particle formation events cloud condensation nuclei budget dust-influenced areas |
| topic |
Desert dust new particle formation events cloud condensation nuclei budget dust-influenced areas |
| description |
Detailed knowledge on the formation of new aerosol particles in the atmosphere from precursor gases, and their subsequent growth, commonly known as new particle formation (NPF) events, is one of the largest challenges in atmospheric aerosol science. High pre-existing particle loadings are expected to suppress the formation of new atmospheric aerosol particles due to high coagulation and condensation (CS) sinks. However, NPF events are regularly observed in conditions with high concentrations of pre-existing particles and even during intense desert dust intrusions that imply discrepancies between the observations and theory. In this study, we present a multi-site analysis of the occurrence of NPF events under the presence of desert dust particles in dust-influenced areas. Characterization of NPF events at five different locations highly influenced by desert dust outbreaks was done under dusty and non-dusty conditions using continuous measurements of aerosol size distribution in both fine and coarse size fractions. Contrary to common thought, our results show that the occurrence of NPF events is highly frequent during desert dust outbreaks, showing that NPF event frequencies during dusty conditions are similar to those observed during non-dusty conditions. Furthermore, our results show that NPF events also occur during intense desert dust outbreaks at all the studied sites, even at remote sites where the amounts of precursor vapours are expected to be low. Our results show that the condensation sink associated with coarse particles (CSC) represents up to the 60 % of the total CS during dusty conditions, which highlights the importance of considering coarse-fraction particles for NPF studies in desert-dust-influenced areas. However, we did not find a clear pattern of the effect of desert dust outbreaks on the strength of NPF events, with differences from site to site. The particle growth rate (GR) did not present a clear dependence on the CS during dusty and non-dusty conditions. This result, together with the fact that desert dust has different effects on the growth and formation rates at each site, suggests different formation and growth mechanisms at each site between dusty and non-dusty conditions, probably due to differences in precursor vapours' origins and concentrations as well as changes in the oxidative capacity of pre-existing particles and their effectiveness acting as CS. Further investigation based on multiplatform measurement campaigns and chamber experiments with state-of-the-art gaseous and particulate physical and chemical properties measurements is needed to better understand the role of catalyst components present in desert dust particles in NPF. Finally, our results reveal a significant impact of NPF events on the cloud condensation nuclei (CCN) budget during desert dust outbreaks at the studied sites. Therefore, since desert dust contributes to a major fraction of the global aerosol mass load, and since there is a foreseeable increase in the frequency, duration and intensity of desert dust episodes due to climate change, it is imperative to improve our understanding of the effect of desert dust outbreaks on NPF and the CCN budget for better climate change prediction. |
| publishDate |
2023 |
| dc.date.none.fl_str_mv |
2023 2023 2023 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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http://hdl.handle.net/10261/341288 |
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http://hdl.handle.net/10261/341288 |
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Inglés |
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Inglés |
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info:eu-repo/semantics/openAccess |
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openAccess |
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European Geosciences Union |
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European Geosciences Union |
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Impact of desert dust on new particle formation events and the cloud condensation nuclei budget in dust-influenced areasCasquero-Vera, Juan AndrésPérez-Ramírez, DanielLyamani, HassanRejano, FernandoCasans, AndreaTitos, GloriaOlmo, Francisco JoséDada, LubnaHakala, SimoHussein, TareqLehtipalo, KatriannePaasonen, PauliHyvärinen, AnttiPérez, NoemíQuerol, XavierRodríguez González, SergioKalivitis, NikosGonzález, YennyAlghamdi, Mansour A.Kerminen, Veli-MattiAlastuey, AndrésPetäjä, TuukkaAlados-Arboledas, LucasDesert dustnew particle formation eventscloud condensation nuclei budgetdust-influenced areasDetailed knowledge on the formation of new aerosol particles in the atmosphere from precursor gases, and their subsequent growth, commonly known as new particle formation (NPF) events, is one of the largest challenges in atmospheric aerosol science. High pre-existing particle loadings are expected to suppress the formation of new atmospheric aerosol particles due to high coagulation and condensation (CS) sinks. However, NPF events are regularly observed in conditions with high concentrations of pre-existing particles and even during intense desert dust intrusions that imply discrepancies between the observations and theory. In this study, we present a multi-site analysis of the occurrence of NPF events under the presence of desert dust particles in dust-influenced areas. Characterization of NPF events at five different locations highly influenced by desert dust outbreaks was done under dusty and non-dusty conditions using continuous measurements of aerosol size distribution in both fine and coarse size fractions. Contrary to common thought, our results show that the occurrence of NPF events is highly frequent during desert dust outbreaks, showing that NPF event frequencies during dusty conditions are similar to those observed during non-dusty conditions. Furthermore, our results show that NPF events also occur during intense desert dust outbreaks at all the studied sites, even at remote sites where the amounts of precursor vapours are expected to be low. Our results show that the condensation sink associated with coarse particles (CSC) represents up to the 60 % of the total CS during dusty conditions, which highlights the importance of considering coarse-fraction particles for NPF studies in desert-dust-influenced areas. However, we did not find a clear pattern of the effect of desert dust outbreaks on the strength of NPF events, with differences from site to site. The particle growth rate (GR) did not present a clear dependence on the CS during dusty and non-dusty conditions. This result, together with the fact that desert dust has different effects on the growth and formation rates at each site, suggests different formation and growth mechanisms at each site between dusty and non-dusty conditions, probably due to differences in precursor vapours' origins and concentrations as well as changes in the oxidative capacity of pre-existing particles and their effectiveness acting as CS. Further investigation based on multiplatform measurement campaigns and chamber experiments with state-of-the-art gaseous and particulate physical and chemical properties measurements is needed to better understand the role of catalyst components present in desert dust particles in NPF. Finally, our results reveal a significant impact of NPF events on the cloud condensation nuclei (CCN) budget during desert dust outbreaks at the studied sites. Therefore, since desert dust contributes to a major fraction of the global aerosol mass load, and since there is a foreseeable increase in the frequency, duration and intensity of desert dust episodes due to climate change, it is imperative to improve our understanding of the effect of desert dust outbreaks on NPF and the CCN budget for better climate change prediction.Juan Andrés Casquero-Vera is funded by FJC2021-047873-I, by MCIN/AEI/10.13039/501100011033 and NextGenerationEU/PRTR, by Spanish Ministry of Universities and the European Union – NextGenerationEU, and by the Academy of Finland through ACCC Flagship (Atmosphere and Climate Competence Center, project no. 337549). This research has been partially supported by the Spanish Ministry of Science and Innovation (grant nos. PID2020-120015RB-I00, RED2022-134824-E, PID2019-108990RB-I00 and PID2021-128757OB-I00 funded by MCIN/AEI/10.13039/501100011033) and by the European Union's Horizon 2020 Research and Innovation programme through projects ACTRIS IMP (grant no. 871115) and ATMO ACCESS (grant no. 101008004) and via Horizon Europe through “Non-CO2 Forcers and their Climate, Weather, Air Quality and Health Impacts”, FOCI (project no. 101056783). This research was also partially supported by Plan Propio of University of Granada through EMERALD project (PPJIA2022-15) and the Singular Laboratory AGORA programme (LS2022-1) and Scientific Units of Excellence Program (grant no. UCE-PP2017-02) and by the Consejo Superior de Investigaciones Científicas (CSIC) under project 202030E261. Measurements at Hada Al Sham were funded by the Deanship of Scientific Research (DSR; grant no I-122-430) at King Abdulaziz University (KAU).Peer reviewedEuropean Geosciences UnionMinisterio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)European CommissionMinisterio de Universidades (España)Academy of FinlandUniversidad de GranadaConsejo Superior de Investigaciones Científicas (España)Deanship of Scientific Research, King Abdulaziz UniversityConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/341288reponame:DIGITAL.CSIC. 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15.812429 |