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Abreu, P.; Alvarez Castillo, J.; Alves Batista, R.; Ambrosio, M.; Asorey, H.; Assis, P.; Aublin, J.; Bardenet, R.; Beatty, J.J.; Bleve, C.; Boháčová, M.; Bonifazi, C.; Bonino, R.; Borodai, N.; Bueno, A.; Caccianiga, L.; Chudoba, J.; Dawson, B.R.; de Mello Junior, W.J.M.; De Mitri, I.; de Vries, K.D.; Di Matteo, A.; Diogo, F.; Dobrigkeit, C.; Ebr, J.; Etchegoyen, A.; Falcke, H.; Ferguson, A.P.; Gambetta, S.; Giammarchi, M.; Gitto, J.; Gómez Berisso, M.; Gómez Vitale, P.F.; Grebe, S.; Guardincerri, Y.; Hansen, P.; Harari, D.; Harrison, T.A.; Haungs, A.; Homola, P.; Hrabovský, M.; Kégl, B.; Keilhauer, B.; Krohm, N.; Kuempel, D.; Kunka, N.; Leão, M.S.A.B.; Link, K.; Lyberis, H.; Mantsch, P.; Martínez Bravo, O.; Maurizio, D.; Menshikov, A.; Micheletti, M.I.; Minaya, I.A.; Molina-Bueno, L.; Monasor, M.; Mostafá, M.; Münchmeyer, M.; Necesal, P.; Niechciol, M.; Niggemann, T.; Olinto, A.; Paul, T.; Pech, M.; Pȩkala, J.; Pesce, R.; Pierog, T.; Platino, M.; Querchfeld, S.; Rautenberg, J.; Ravignani, D.; Revenu, B.; Risse, M.; Ristori, P.; Rodriguez Martino, J.; Rouillé-d’Orfeuil, B.; Sánchez, F.; Santos, E.; Sarazin, F.; Scherini, V.; Snow, G.R.; Stanič, S.; Straub, M.; Suarez, F.; Tkaczyk, W.; Tridapalli, D.B.; Valore, L.; van den Berg, A.M.; van Velzen, S.; Vázquez, J.R.; Veberič, D.; Villaseñor, L.; Walz, D.; Werner, F.; Widom, A.; Wykes, S.; Zas, E.; Zavrtanik, D.; Zhou, J.
Atmospheric research, 11/2014, Letnik: 149Journal Article
The Pierre Auger Observatory is making significant contributions towards understanding the nature and origin of ultra-high energy cosmic rays. One of its main challenges is the monitoring of the atmosphere, both in terms of its state variables and its optical properties. The aim of this work is to analyse aerosol optical depth τa(z) values measured from 2004 to 2012 at the observatory, which is located in a remote and relatively unstudied area of Pampa Amarilla, Argentina. The aerosol optical depth is in average quite low – annual mean τa(3.5km)∼0.04 – and shows a seasonal trend with a winter minimum – τa(3.5km)∼0.03 –, and a summer maximum – τa(3.5km)∼0.06 –, and an unexpected increase from August to September — τa(3.5km)∼0.055. We computed backward trajectories for the years 2005 to 2012 to interpret the air mass origin. Winter nights with low aerosol concentrations show air masses originating from the Pacific Ocean. Average concentrations are affected by continental sources (wind-blown dust and urban pollution), whilst the peak observed in September and October could be linked to biomass burning in the northern part of Argentina or air pollution coming from surrounding urban areas. •Aerosol optical depth measurements at the Pierre Auger Observatory are presented.•We examine correlations between aerosol optical depth values and air masses.•A seasonal trend is observed and explained by air masses coming from the Pacific Ocean.•Validity of GDAS model and HYSPLIT calculations is checked with in-situ measurements.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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