The effects of continentality, marine nature and the recirculation of air masses on pollen concentration: Olea in a Mediterranean coastal enclave
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AuthorNegral Álvarez, Luis; Moreno Grau, Stella; Galera Martínez, María Dolores; Elvira Rendueles, María Luisa Belén; Costa Gómez, Isabel; [et al.]
Knowledge AreaIngeniería QuímicaMatemática AplicadaTecnologías del Medio Ambiente
SponsorsFunding: This research was funded by the Ministry of Science and Innovation of the Spanish Government through the projects SICAAP-CPI RTI2018-096392-B-C21 and SICAAP-CPI RTI2018-096392-B-C22. The Interministerial Committee of Science and Technology, which financed the projects BOS2000-0563-C02-02, BOS2003-06329-C02-02, BOS 2006-15103; the Seneca Foundation of the Region of Murcia, which financed the project 08849/PI/08. The authors wish to express their gratitude to Ms. Paula García López, technician at the Aerobiological Network of the Region of Murcia, funded by the Spanish State Research Agency, Ministry of Science, Innovation and Universities (code: PTA2017-13571-I).
Realizado en/conUniversidad Politécnica de Cartagena; Universidad de Castilla-La Mancha
Bibliographic CitationL. Negral, S. Moreno-Grau, M.D. Galera, B. Elvira-Rendueles, I. Costa-Gómez, F. Aznar, R. Pérez-Badia, J.M. Moreno, The effects of continentality, marine nature and the recirculation of air masses on pollen concentration: Olea in a Mediterranean coastal enclave, Science of The Total Environment, Volume 790, 2021, 147999, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2021.147999.
KeywordsAir mass origin
Air mass back trajectory
Olea pollen concentrations have been studied in relation to the typology of air masses, pollen grain sources and marine nature during advections in a coastal enclave in the south-eastern Iberian Peninsula. Since Spain is the world's leading olive producer, and olive growing extends throughout the Mediterranean basin, this location is ideal for the study of long-distance transport events (LTD) during the main pollen season (MPS). The air masses were classified using the calculation of 48-h back trajectories at 250, 500 and 750 m above ground level using the HYSPLIT model. After that, the frequency of LDT events from Africa and Europe was found to be 8.7% of the MPS days. In contrast, regional air masses were found in 38.6% of the MPS days. This was reflected in pollen concentrations, with significantly higher concentrations (p-value <0.05) on days with regional air masses compared to days with European air masses. Regarding the source areas, the importance of nearby sources with intense ...
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