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Origin of atmospheric aerosols at the Pierre Auger Observatory using studies of air mass trajectories in South America

  • A. Aab
  • , P. Abreu
  • , M. Aglietta
  • , M. Ahlers
  • , E. J. Ahn
  • , I. F.M. Albuquerque
  • , I. Allekotte
  • , J. Allen
  • , P. Allison
  • , A. Almela
  • , J. Alvarez Castillo
  • , J. Alvarez-Muñiz
  • , R. Alves Batista
  • , M. Ambrosio
  • , A. Aminaei
  • , L. Anchordoqui
  • , S. Andringa
  • , T. Anticic
  • , C. Aramo
  • , F. Arqueros
  • H. Asorey, P. Assis, J. Aublin, M. Ave, M. Avenier, G. Avila, A. M. Badescu, K. B. Barber, R. Bardenet, J. Bäuml, C. Baus, J. J. Beatty, K. H. Becker, J. A. Bellido, S. BenZvi, C. Berat, X. Bertou, P. L. Biermann, P. Billoir, F. Blanco, M. Blanco, C. Bleve, H. Blümer, M. Bohácová, D. Boncioli, C. Bonifazi, R. Bonino, N. Borodai, J. Brack, I. Brancus, P. Brogueira, W. C. Brown, P. Buchholz, A. Bueno, M. Buscemi, K. S. Caballero-Mora, B. Caccianiga, L. Caccianiga, M. Candusso, L. Caramete, R. Caruso, A. Castellina, G. Cataldi, L. Cazon, R. Cester, S. H. Cheng, A. Chiavassa, J. A. Chinellato, J. Chudoba, M. Cilmo, R. W. Clay, G. Cocciolo, R. Colalillo, L. Collica, M. R. Coluccia, R. Conceição, F. Contreras, M. J. Cooper, S. Coutu, C. E. Covault, A. Criss, J. Cronin, A. Curutiu, R. Dallier, B. Daniel, S. Dasso, K. Daumiller, B. R. Dawson, R. M. de Almeida, M. De Domenico, S. J. de Jong, G. De La Vega, W. J.M. de Mello Junior, J. R.T. de Mello Neto, I. De Mitri, V. de Souza, K. D. de Vries, L. del Peral, O. Deligny, H. Dembinski, N. Dhital, C. Di Giulio, A. Di Matteo, J. C. Diaz, M. L. Díaz Castro, P. N. Diep, F. Diogo, C. Dobrigkeit, W. Docters, J. C. D'Olivo, P. N. Dong, A. Dorofeev, J. C. dos Anjos, M. T. Dova, J. Ebr, R. Engel, M. Erdmann, C. O. Escobar, J. Espadanal, A. Etchegoyen, P. Facal San Luis, H. Falcke, K. Fang, G. Farrar, A. C. Fauth, N. Fazzini, A. P. Ferguson, B. Fick, J. M. Figueira, A. Filevich, A. Filipcic, N. Foerster, B. D. Fox, C. E. Fracchiolla, E. D. Fraenkel, O. Fratu, U. Fröhlich, B. Fuchs, R. Gaior, R. F. Gamarra, S. Gambetta, B. García, S. T. Garcia Roca, D. Garcia-Gamez, D. Garcia-Pinto, G. Garilli, A. Gascon Bravo, H. Gemmeke, P. L. Ghia, M. Giammarchi, M. Giller, J. Gitto, C. Glaser, H. Glass, F. Gomez Albarracin, M. Gómez Berisso, P. F. Gómez Vitale, P. Gonçalves, J. G. Gonzalez, B. Gookin, A. Gorgi, P. Gorham, P. Gouffon, S. Grebe, N. Griffith, A. F. Grillo, T. D. Grubb, Y. Guardincerri, F. Guarino, G. P. Guedes, P. Hansen, D. Harari, T. A. Harrison, J. L. Harton, A. Haungs, T. Hebbeker, D. Heck, A. E. Herve, G. C. Hill, C. Hojvat, N. Hollon, E. Holt, P. Homola, J. R. Hörandel, P. Horvath, M. Hrabovský, D. Huber, T. Huege, A. Insolia, P. G. Isar, S. Jansen, C. Jarne, M. Josebachuili, K. Kadija, O. Kambeitz, K. H. Kampert, P. Karhan, P. Kasper, I. Katkov, B. Kégl, B. Keilhauer, A. Keivani, E. Kemp, R. M. Kieckhafer, H. O. Klages, M. Kleifges, J. Kleinfeller, J. Knapp, R. Krause, N. Krohm, O. Krömer, D. Kruppke-Hansen, D. Kuempel, N. Kunka, G. La Rosa, D. LaHurd, L. Latronico, R. Lauer, M. Lauscher, P. Lautridou, S. Le Coz, M. S.A.B. Leão, D. Lebrun, P. Lebrun, M. A. Leigui de Oliveira, A. Letessier-Selvon, I. Lhenry-Yvon, K. Link, R. López, A. Lopez Agüera, K. Louedec, J. Lozano Bahilo, L. Lu, A. Lucero, M. Ludwig, H. Lyberis, M. C. Maccarone, M. Malacari, S. Maldera, J. Maller, D. Mandat, P. Mantsch, A. G. Mariazzi, V. Marin, I. C. Maris, H. R. Marquez Falcon, G. Marsella, D. Martello, L. Martin, H. Martinez, O. Martínez Bravo, D. Martraire, J. J. Masías Meza, H. J. Mathes, J. Matthews, J. A.J. Matthews, G. Matthiae, D. Maurel, D. Maurizio, E. Mayotte, P. O. Mazur, C. Medina, G. Medina-Tanco, M. Melissas, D. Melo, E. Menichetti, A. Menshikov, S. Messina, R. Meyhandan, S. Micanovic, M. I. Micheletti, L. Middendorf, I. A. Minaya, L. Miramonti, B. Mitrica, L. Molina-Bueno, S. Mollerach, M. Monasor, D. Monnier Ragaigne, F. Montanet, B. Morales, C. Morello, J. C. Moreno, M. Mostafá, C. A. Moura, M. A. Muller, G. Müller, M. Münchmeyer, R. Mussa, G. Navarra, J. L. Navarro, S. Navas, P. Necesal, L. Nellen, A. Nelles, J. Neuser, P. T. Nhung, M. Niechciol, L. Niemietz, T. Niggemann, D. Nitz, D. Nosek, L. Nožka, J. Oehlschläger, A. Olinto, M. Oliveira, M. Ortiz, N. Pacheco, D. Pakk Selmi-Dei, M. Palatka, J. Pallotta, N. Palmieri, G. Parente, A. Parra, S. Pastor, T. Paul, M. Pech, J. P. kala, R. Pelayo, I. M. Pepe, L. Perrone, R. Pesce, E. Petermann, S. Petrera, A. Petrolini, Y. Petrov, R. Piegaia, T. Pierog, P. Pieroni, M. Pimenta, V. Pirronello, M. Platino, M. Plum, M. Pontz, A. Porcelli, T. Preda, P. Privitera, M. Prouza, E. J. Quel, S. Querchfeld, S. Quinn, J. Rautenberg, O. Ravel, D. Ravignani, B. Revenu, J. Ridky, S. Riggi, M. Risse, P. Ristori, H. Rivera, V. Rizi, J. Roberts, W. Rodrigues de Carvalho, I. Rodriguez Cabo, G. Rodriguez Fernandez, J. Rodriguez Martino, J. Rodriguez Rojo, M. D. Rodríguez-Frías, G. Ros, J. Rosado, T. Rossler, M. Roth, B. Rouillé-d'Orfeuil, E. Roulet, A. C. Rovero, C. Rühle, S. J. Saffi, A. Saftoiu, F. Salamida, H. Salazar, F. Salesa Greus, G. Salina, F. Sánchez, P. Sanchez-Lucas, C. E. Santo, E. Santos, E. M. Santos, F. Sarazin, B. Sarkar, R. Sarmento, R. Sato, N. Scharf, V. Scherini, H. Schieler, P. Schiffer, A. Schmidt, O. Scholten, H. Schoorlemmer, P. Schovánek, F. G. Schröder, A. Schulz, J. Schulz, S. J. Sciutto, M. Scuderi, A. Segreto, M. Settimo, A. Shadkam, R. C. Shellard, I. Sidelnik, G. Sigl, O. Sima, A. Smialkowski, R. Šmída, G. R. Snow, P. Sommers, J. Sorokin, H. Spinka, R. Squartini, Y. N. Srivastava, S. Stanic, J. Stapleton, J. Stasielak, M. Stephan, M. Straub, A. Stutz, F. Suarez, T. Suomijärvi, A. D. Supanitsky, T. Šuša, M. S. Sutherland, J. Swain, Z. Szadkowski, M. Szuba, A. Tapia, M. Tartare, O. Tascau, N. T. Thao, J. Tiffenberg, C. Timmermans, W. Tkaczyk, C. J. Todero Peixoto, G. Toma, L. Tomankova, B. Tomé, A. Tonachini, G. Torralba Elipe, D. Torres Machado, P. Travnicek, D. B. Tridapalli, E. Trovato, M. Tueros, R. Ulrich, M. Unger, J. F. Valdés Galicia, I. Valiño, L. Valore, G. van Aar, A. M. van den Berg, S. van Velzen, A. van Vliet, E. Varela, B. Vargas Cárdenas, G. Varner, J. R. Vázquez, R. A. Vázquez, D. Veberic, V. Verzi, J. Vicha, M. Videla, L. Villaseñor, H. Wahlberg, P. Wahrlich, O. Wainberg, D. Walz, A. A. Watson, M. Weber, K. Weidenhaupt, A. Weindl, F. Werner, S. Westerhoff, B. J. Whelan, A. Widom, G. Wieczorek, L. Wiencke, B. Wilczynska, H. Wilczynski, M. Will, C. Williams, T. Winchen, B. Wundheiler, S. Wykes, T. Yamamoto, T. Yapici, P. Younk, G. Yuan, A. Yushkov, B. Zamorano, E. Zas, D. Zavrtanik, M. Zavrtanik, I. Zaw, A. Zepeda, J. Zhou, Y. Zhu, M. Zimbres Silva, M. Ziolkowski, G. Curci
  • Universität Siegen
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  • University of Wisconsin-Madison
  • Fermilab
  • University of São Paulo
  • CNEA-UNCuyo-CONICET
  • New York University
  • Ohio State University
  • Instituto de Tecnologías en Detección y Astropartículas (CNEA CONICET UNSAM)
  • Universidad Tecnológica Nacional
  • Universidad Nacional Autonoma de Mexico
  • Universidad de Santiago de Compostela
  • Universität Hamburg
  • Università di Napoli 'Federico II' and Sezione INFN
  • Radboud University Nijmegen
  • University of Wisconsin-Milwaukee
  • Rudjer Bošković Institute
  • Universidad Complutense de Madrid
  • Laboratoire de Physique Nucléaire et de Hautes Energies
  • Université Joseph Fourier Grenoble
  • UNSAM
  • University Politehnica of Bucharest
  • University of Adelaide
  • Université Paris 11
  • Institut für Prozessdatenverarbeitung und Elektronik
  • Institut für Experimentelle Kernphysik (IEKP)
  • Bergische Universität Wuppertal
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  • Academy of Sciences of the Czech Republic
  • Laboratori Nazionali del Gran Sasso
  • Universidade Federal do Rio de Janeiro
  • Institute of Nuclear Physics PAN
  • Colorado State University
  • 'Horia Hulubei' National Institute for Physics and Nuclear Engineering
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  • Universidad de Granada
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  • Università degli Studi di Milano
  • Università di Roma II 'Tor Vergata' and Sezione INFN
  • Università di Catania and Sezione INFN
  • Universita del Salento
  • Universidade Estadual de Campinas
  • Observatorio Pierre Auger and Comisión Nacional de Energía Atómica
  • Case Western Reserve University
  • University of Chicago
  • CNRS Centre National de la Recherche Scientifique
  • Université de Nantes
  • Instituto de Astronomía y Física Del Espacio (CONICET-UBA)
  • Universidade Federal Fluminense
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  • Universidad de Alcalá
  • Michigan Technological University
  • Dipartimento di Scienze Fisiche e Chimiche
  • Centro Brasileiro de Pesquisas Fisicas
  • Institute for Nuclear Science and Technology (INST)
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  • Netherlands Institute of Radio Astronomy (ASTRON)
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  • University of Nova Gorica
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  • Institute of Space Sciences
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  • Benemérita Universidad Autónoma de Puebla
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  • Centro de Investigación y de Estudios Avanzados Del IPN (CINVESTAV)
  • The Payne Institute for Public Policy
  • Facultad de Ciencias Bioquímicas y Farmacéuticas U. N.R.
  • Deutsches Elektronen-Synchrotron (DESY)
  • CITEDEF and CONICET
  • CSIC-Universitat de València
  • Northeastern University
  • Universidade Federal da Bahia
  • University of Nebraska–Lincoln
  • University of Bucharest
  • Argonne National Laboratory
  • Los Alamos National Laboratory
  • New York University Abu Dhabi

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

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.

Original languageBritish English
Pages (from-to)120-135
Number of pages16
JournalAtmospheric Research
Volume149
DOIs
StatePublished - Nov 2014

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities

Keywords

  • Aerosol
  • Air masses
  • Atmospheric effect
  • Cosmic ray
  • GDAS
  • HYSPLIT

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