Browsing by Subject "Aerosols"

Now showing items 1-20 of 37

  • Aerosol stratification characterization of an astronomical site by means of a backscatter lidar at the Roque de los Muchachos Observatory 

    Jiménez Fuensalida, Jesús; Muñoz Tuñón, Casiana; Sicard, Michaël; Tomás Martínez, Sergio; Md. Reba, Mohd Nadzri; Comerón Tejero, Adolfo; Batet Torrell, Óscar; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco (2009)
    Conference report
    Open Access
    The Roque de los Muchachos Observatory, located on the island of La Palma in the Canary Islands, is home of many astronomical facilities. In the context of the Extremely Large Telescope Design Study, an intensive lidar ...

  • A long Saharan dust event over the western Mediterrranean: Lidar, Sun photometer observations and regional dust modelling. 

    Pérez, Carlos; Nickovic, S.; Baldasano Recio, José María; Sicard, Michaël; Rocadenbosch Burillo, Francisco; Cachorro, V.E. (2006-08-31)
    Article
    Open Access
    A long Saharan dust event affected the western Mediterranean in the period 12– 28 June 2002. Dust was present mainly between 1- and 5-km height affecting most parts of the Iberian Peninsula and reaching western/central ...

  • Análisis y ajuste de las variables de proceso para la fabricación de polvos de aleaciones base estaño mediante un atomizador centrífugo 

    Ayllón Muro, Àxel (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Restricted access - author's decision
    En el presente proyecto se ha realizado la puesta a punto de un prototipo para la atomización de polvo metálico mediante la técnica de atomización centrífuga, incluyendo los diferentes componentes que intervienen en el ...

  • A new code for spectrometric analysis for environmental radiological surveillance on monitors focused on gamma radioactivity on aerosols 

    Blas del Hoyo, Alfredo de; Riego Pérez, Albert; García Sánchez, Roger; Tapia Fernández, Carlos; Dies Llovera, Javier; Toral, Juan; Batalla, Enric; Díaz Bayona, Pedro (2016-06)
    Article
    Open Access
    This paper presents a new code for the analysis of gamma spectra generated by an equipment for continuous measurement of gamma radioactivity in aerosols with paper ¿lter. It is called pGamma and has been developed by the ...

  • Atomization of liquids by a novel technique 

    Guallarte Jurado, Marta (Universitat Politècnica de Catalunya / Technische Universität Graz, 2013)
    Bachelor thesis
    Restricted access - author's decision
    The usefulness of sprays in a wide range of industrial applications (combustion, coating, spray drying, etc.) makes the understanding of the atomization process very valuable, specially to choose the most suitable atomizer ...

  • Climatology of the aerosol extinction to backscatter ratio from sun photometric measurements 

    Baldasano Recio, José María; Pedrós, Roberto; Estallés, Víctor; Sicard, Michaël; Gómez Amo, Jose Luis; Utrillas, Maria Pilar; Martínez Lozano, José Antonio; Rocadenbosch Burillo, Francisco; Pérez, C. (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-01-01)
    Article
    Open Access
    The elastic lidar equation contains two unknown atmospheric parameters, namely, the particulate optical extinction and backscatter coefficients, which are related through the lidar ratio (i.e., the particulate-extinct ...

  • Combustion of a spray atomized by a simplex 

    Lozano Torres, Noelia (Universitat Politècnica de Catalunya / Université Henri Poincaré, 2009)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    This project is based on the study of the combustion of a mist of droplets generated by a pressure swirl nozzle (simplex). There will be realized a simulation of the injected droplets trajectories, by means of a computational ...

  • Contribución de la red de lidares EARLINET a la infraestructura europea de investigación atmosférica ACTRIS (Aerosols, Clouds, and Trace Gases Infrastructure Network). 

    Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco (2012)
    Conference report
    Open Access

  • Coordinated lidar observations of Saharan dust over Europe in the frame of EARLINET-ASOS project during CALIPSO overpasses: A case study analysis with modeling support 

    de Tomasi, Ferdinando; Papayannis, Alexander; Amidiris, V.; Mona, L.; Mamouri, R. E.; Apituley, Arnoud; Alados Arboledas, Lucas; Balis, Dimitris; Chaikovsky, Anatoli; Wang, Xuan; Pietruczuk, Aleksander; Pérez, C.; Nicolae, D.; Müller, D.; Molero, Francisco; Mitev, V.; Mattis, I.; Linné, Holger; Gustafsson, O.; Grigorov, Ivan V.; Putaud, J. P.; Pappalardo, Gelsomina; Trickl, Thomas; D'Amico, Giuseppe; Simeonov, Valentin; Stebel, K.; Schnell, Franziska; Sicard, Michaël; Ravetta, F.; Rizi, V. (2009)
    Conference report
    Open Access
    Coordinated lidar observations of Saharan dust over Europe are performed in the frame of the EARLINETASOS (2006-2011) project, which comprises 25 stations: 16 Raman lidar stations, including 8 multiwavelength (3+2 station) ...

  • Desarrollo de una interfaz de usuario para programas de inversión LIDAR: despolarización por aerosoles 

    Galdaba Toledano, Alvaro (Universitat Politècnica de Catalunya, 2018-10-23)
    Bachelor thesis
    Open Access
    The project that has been developed for this work at the end of degree aims to integrate a series of routines in MATLAB, which allow us to obtain information about the depolarization that atmospheric aerosols produce on ...

  • Development and assembly of a sampling device and a di-lution system for brake particle measurements in test drives 

    Guerra Pérez, Alberto (Universitat Politècnica de Catalunya, 2018-10-31)
    Bachelor thesis
    Open Access
    Covenantee:  Technische Universität Darmstadt
    Due to the reduction of exhaust emissions in the last years, the percentage of particulate matter emitted by non-exhaust sources has increased. Brakes play an important role emitting more than half of this type of ...

  • Dose assessment to workers in a dicalcium phosphate production plant 

    Mulas Capuz, Daniel; Garcia Orellana, Jordi; Casacuberta, N.; Hierro, A.; Moreno, Victoria; Masque Barri, Pere (Elsevier, 2016-12-01)
    Article
    Open Access
    The production of dicalcium phosphate (DCP) uses phosphate rock (PR) as a raw material. Sedimentary phosphate rocks are enriched with relevant concentrations of natural radionuclides from the 238U decay chain (around 103 ...

  • Earlinet validation of CATS L2 product 

    Proestakis, E.; Amiridis, Vassilis; Kottas, M.; Yorks, J.; Muñoz Porcar, Constantino; Sicard, Michaël (EDP Sciences, 2018)
    Conference report
    Open Access
    The Cloud-Aerosol Transport System (CATS) onboard the International Space Station (ISS), is a lidar system providing vertically resolved aerosol and cloud profiles since February 2015. In this study, the CATS aerosol product ...

  • Estimation of a radiative transfer model in the longwave spectral range: sensitivity study and application to real cases 

    Sicard, Michaël; Bertolín Martínez, Santiago; Mallet, Marc; Dubuisson, Philippe; Comerón Tejero, Adolfo (2013)
    Conference report
    Restricted access - publisher's policy
    The aerosol radiative effect in the longwave spectral range is often neglected in atmospheric aerosol forcing studies, hence very few researches are conducted in this field at local scale, and even less at regional scale. ...

  • Experimental investigation of the impact of single droplets of non-Newtonian fluid 

    Yzaguirre Sánchez, Silvia-Luna (Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2009)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    This study is devoted to the investigation of impact of a paint drop onto a thin liquid film. In particular the mechanism of bubble entrapment during drop impact will be studied. The study is motivated by the technology ...

  • FMCW lidar for multiple target sounding 

    Batet Torrell, Óscar; Dios Otín, Víctor Federico; Comerón Tejero, Adolfo (SPIE Press. The International Society for Optical Engineering, 2011)
    Conference report
    Restricted access - publisher's policy
    Continuous-Wave lidars are constantly evolving in order to achieve the best performances with low power and low cost. Frequency-modulated continuous-wave (FMCW) lidar is a well-known type of lidar used for solid-target ...

  • Influence of the Fukushima Dai-ichi nuclear accident on Spanish environmental radioactivity levels 

    Baeza, A.; Corbacho, J.A.; Rodríguez, Alicia; Galván, J.; García Tenorio, R.; Manjón, G.; Mantero, Juan; Vioque, I.; Arnold Arias, Dèlia; Grossi, Claudia; Serrano Carreño, M. Isabel; Valles Murciano, M. Isabel; Vargas Drechsler, Arturo (Elsevier, 2012-12)
    Article
    Restricted access - publisher's policy
    This paper presents measurements of the effect of the atmospheric radioactive release from the Fukushima Dai-ichi nuclear power station at three sites belonging to the Spanish environmental monitoring system. Measured ...

  • Influència i característiques dels aerosols sobre l’atmosfera a Catalunya 

    Monteagudo Solà, Sandra (Universitat Politècnica de Catalunya, 2017-10-27)
    Bachelor thesis
    Open Access
    Covenantee:  Universitat Autònoma de Barcelona
    Atmospheric aerosols are made up of a set of volatile compounds that have a direct impact on human health and the environment. They move from their original place through the atmosphere following various paths to reach a ...

  • Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes 

    Boy, Michael; Thomson, Erik S.; Acosta-Navarro, Juan C.; Arnalds, Olafur; Batchvarova, Ekaterina; Bäck, Jaana; Berninger, Frank; Bilde, Merete; Brasseur, Zoé; Dagsson-Waldhauserova, Pavla; Castarède, Dimitri; Dalirian, Maryam; de Leeuw, Guerrit; Dragosics, Monika; Duplissy, Ella-Maria; Ekman, Annica M.L.; Fang, Keyan; Gallet, Jean-Charles; Glasius, Marianne; Gryning, Sven-Erik; Grythe, Henrik; Hansson, Hans-Christen; Hansson, Margareta; Isaksson, Elisabeth; Iversen, Trond; Jonsdottir, Ingibjorg; Kasurinen, Ville; Kirkevag, Alf; Korhola, Atte; Krejci, Radovan; Kristjansson, Jon E.; Lappalainen, Hanna K.; Lauri, Antti; Lepparanta, Matti; Lihavainen, Heikki; Makkonen, Risto; Massling, Andreas; Meinander, Outi; Nilsson, E. Douglas; Olafsson, Haraldur; Pettersson, Jan B.C.; Prisle, Nonne L.; Riipinen, Ilona; Roldin, Pontus; Ruppel, Meri; Salter, Matthew; Sand, Maria; Seland, Oyvind; Seppa, Heikki; Skov, Henrik; Soares, Joana; Stohl, Andreas; Ström, Johan; Svensson, Jonas; Swieticki, Erik; Tabakova, Ksenia; Thorsteinsson, Throstur; Virkkula, Aki; Weyhenmeyer, Gesa A.; Wu, Yesheng; Zieger, Paul; Kulmala, Markku (European Geosciences Union (EGU), 2019-02-14)
    Article
    Open Access
    The Nordic Centre of Excellence CRAICC (Cryosphere–Atmosphere Interactions in a Changing Arctic Climate), funded by NordForsk in the years 2011–2016, is the largest joint Nordic research and innovation initiative to date, ...

  • Inter-comparison of lidar methods for obtaining planetary boundary-layer height from a July 2012 monitoring campaign over the Iberian Peninsula in the framework of EARLINET 

    Banks, Robert Franklin; Baldasano Recio, José María; Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco (2013)
    Conference lecture
    Open Access
    The depth of the planetary boundary-layer (PBL) is defined as the height of the inversion level separating the free troposphere (FT) from the boundary-layer (Stull, 1988). Reliable representation of PBL height is important ...