Now showing items 1-20 of 91

    • A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign 

      Granados Muñoz, María José; Sicard, Michaël; Román Díez, Roberto; Benavent Oltra, Pablo; Barragán Cuesta, Rubén; Brogniez, G.; Denjean, Cyrielle; Alados-Arboledas, L; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      A 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ...
    • A comparative analysis of aerosol optical coefficients and their associated errors retrieved from pure-rotational and vibro-rotational raman lidar signals 

      Zenteno Hernández, José Alex; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; D'Amico, Giuseppe; Sicard, Michaël (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-11)
      Article
      Open Access
      This paper aims to quantify the improvement obtained with a purely rotational Raman (PRR) channel over a vibro-rotational Raman (VRR) channel, used in an aerosol lidar with elastic and Raman channels, in terms of signal-to-noise ...
    • A Methodology for investigating dust model performance using synergistic EARLINET/AERONET dust concentration retrievals 

      Binietoglou, Ioannis; Basart, Sara; Alados Arboledas, Lucas; Baldasano Recio, José María; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (2015-09-04)
      Article
      Open Access
      Systematic measurements of dust concentration profiles at a continental scale were recently made possible by the development of synergistic retrieval algorithms using combined lidar and sun photometer data and the establishment ...
    • A network of water vapor Raman lidars for improving heavy precipitation forecasting in southern France: introducing the WaLiNeAs initiative 

      Flamant, Cyrille; Chazette, Patrick; Caumont, Olivier; Sicard, Michaël; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio (Springer, 2021-12)
      Article
      Open Access
      Extreme heavy precipitation events (HPEs) pose a threat to human life but remain difficult to predict because of the lack of adequate high frequency and high-resolution water vapor (WV) observations in the low troposphere ...
    • A wind speed and fluctuation simulator for characterizing the wind lidar correlation method 

      Tomás, S; Sicard, Michaël; Masjuan, J; Md. Reba, Mohd Nadzri; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco (2007)
      Conference report
      Open Access
      Aerosol distribution in the atmosphere is used as a wind-tracer by lidars since it is drifted by the wind and respond to its changes. Two methods are used: the correlation and the Doppler method. This first one is easier ...
    • Actividades españolas en el marco del proyecto CHARMEX desde 2009: un resumen 

      Sicard, Michaël; Pey, Jorge; Cerro, José Carlos; Lange Vega, Diego; Caballero, Sandra; Tovar Sanchez, Antonio; Morales Baquero, Rafael; Comerón Tejero, Adolfo; Bujosa, Carles; Querol Carceller, Xavier; Artiñano, Begoña; Alados Arboledas, Lucas; Alastuey, Andres; Rocadenbosch Burillo, Francisco; Muñoz, Alvaro; Muñoz Porcar, Constantino; García Vizcaíno, David; Bach, Jordi; Bush, Xavier (2014)
      Conference report
      Open Access
      El proyecto ChArMEx (Chemistry-Aerosol Mediterranean Experiment) es una iniciativa francesa cuyo objetivo es desarrollar y coordinar las acciones de investigación regionales para una evaluación científica de la situación ...
    • Aerosol radiative impact during the summer 2019 heatwave produced partly by an inter-continental Saharan dust outbreak – Part 1: Short-wave dust direct radiative effect 

      Cordoba Jabonero, Carmen; Sicard, Michaël; López Cayuela, María Ángeles; Ansmann, Albert; Comerón Tejero, Adolfo; Zorzano, María-Paz; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino (European Geosciences Union (EGU), 2021-04-30)
      Article
      Open Access
      The short-wave (SW) direct radiative effect (DRE) during the summer 2019 heatwave produced partly by a moderate, long-lasting Saharan dust outbreak over Europe is analysed in this study. Two European sites (periods) are ...
    • Aerosol radiative impact during the summer 2019 heatwave produced partly by an inter-continental Saharan dust outbreak – Part 2: Long-wave and net dust direct radiative effect 

      Sicard, Michaël; Cordoba Jabonero, Carmen; López Cayuela, María Ángeles; Ansmann, Albert; Comerón Tejero, Adolfo; Zorzano, María-Paz; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino (European Geosciences Union (EGU), 2022-02-10)
      Article
      Open Access
      This paper is the companion paper of Córdoba-Jabonero et al. (2021). It deals with the estimation of the long-wave (LW) and net dust direct radiative effect (DRE) during the dust episode that occurred between 23 and ...
    • 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 ...
    • An architecture providing depolarization ratio capability for a multi-wavelength Raman lidar: implementation and first measurements 

      Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Granados Muñoz, María José; Ben Chahed, Enis; Muñoz Porcar, Constantino; Barragán Cuesta, Rubén; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Vidal, Eric (MDPI AG, 2017-12-20)
      Article
      Open Access
      A new architecture for the measurement of depolarization produced by atmospheric aerosols with a Raman lidar is presented. The system uses two different telescopes: one for depolarization measurements and another for ...
    • An explicit formulation for the retrieval of the overlap function in an elastic and Raman aerosol lidar 

      Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Dios Otín, Víctor Federico; Gil Díaz, Cristina; Oliveira, Daniel Camilo Fortunato dos Santos; Rocadenbosch Burillo, Francisco (European Geosciences Union (EGU), 2023-06-15)
      Article
      Open Access
      We derive an explicit (i.e., non-iterative) formula for the retrieval of the overlap function in an aerosol lidar with both elastic and Raman N2 and/or O2 channels used for independent measurements of aerosol backscatter ...
    • Analysis and design of an edge-technique-based Doppler wind lidar: practical assessment of a laboratory prototype 

      Muñoz Porcar, Constantino (Universitat Politècnica de Catalunya, 2013-02-22)
      Doctoral thesis
      Open Access
      This thesis is the initial stage in the development of a range-resolving Doppler wind lidar. Atmospheric lidars emit pulsed laser radiation that after being scattered by air molecules and suspended aerosol particles is ...
    • Analysis of atmospheric aerosol properties using lidar measurements and their impact on radiative budget in Barcelona over the past 20 years 

      Lolli, Simone; Sicard, Michaël; Comerón Tejero, Adolfo; Gil Díaz, Cristina; Oliveira, Daniel Camilo Fortunato dos Santos; Landi, Tony C.; Rodríguez Gómez, Alejandro Antonio; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Dios Otín, Víctor Federico (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2023)
      Conference report
      Open Access
      Aerosols are significant atmospheric constituents that modulate radiation and cloud processes. We evaluated 17-year aerosol profile trends in Barcelona, Spain, from lidar measurements. In summer aerosol reaches 5 km, while ...
    • Anemómetro laser doppler para la medida de dos componentes de velocidad para aplicaciones hidrodinamicas (2d-lda) 

      García Vizcaíno, David; Dios Otín, Víctor Federico; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino (Universidad Europea de Madrid, 2001)
      Conference report
      Open Access
      A Laser Doppler Anemometer system designed to measure two components of the velocity vector in fluids is presented. The scheme followed is the differential technique with backward scattering ...
    • Assimilation of lidar signals: application to aerosol forecasting in the western Mediterranean basin 

      Wang, Y; Sartelet, K. N.; Bocquet, M.; Sicard, Michaël; Comerón Tejero, Adolfo; García Vizcaíno, David; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco (2014-11-17)
      Article
      Open Access
      This paper presents a new application of assimilating lidar signals to aerosol forecasting. It aims at investigating the impact of a ground-based lidar network on the analysis and short-term forecasts of aerosols through ...
    • Atmospheric aerosol measurement with a network of advanced lidar instruments 

      Comerón Tejero, Adolfo; Sicard, Michaël; Rocadenbosch Burillo, Francisco; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; García Vizcaíno, David (2013-03-11)
      Article
      Restricted access - publisher's policy
      A European network of atmosphere sensors uses multi-wavelength elastic-Raman lidar instruments in its infrastructure.
    • CA2-MN6: Mid-term exam: spring 2019 

      Muñoz Porcar, Constantino (Universitat Politècnica de Catalunya, 2019-03-27)
      Exam
      Restricted access to the UPC academic community
    • Calculation of the overlap function and associated error of an elastic lidar or a ceilometer: Cross-comparison with a cooperative overlap-corrected system 

      Sicard, Michaël; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-05)
      Article
      Open Access
      This paper establishes the relationship between the signal of a lidar system corrected for the incomplete overlap effect and the signal of another lidar system or a ceilometer for which the overlap function is unknown. ...
    • Calibration of Raman lidar water vapor mixing ratio measurements using zenithal measurements of diffuse sunlight and a radiative transfer model 

      Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Sicard, Michaël; Barragán Cuesta, Rubén; García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Granados Muñoz, María José (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
      Article
      Open Access
      Among the different techniques available for measuring the atmospheric water vapor content, Raman lidars stand out as accurate instruments providing detailed profiles with high temporal and altitude resolution. Their ...
    • Characterization of Tajogaite volcanic plumes detected over the Iberian Peninsula from a set of satellite and ground-based remote sensing instrumentation 

      Salgueiro, Vanda; Guerrero Rascado, Juan Luis; Costa, Maria João; Román, Roberto; Cazorla, Alberto; Serrano, Antonio; Molero, Francisco; Sicard, Michaël; Cordoba Jabonero, Carmen; Bortoli, D.; Comerón Tejero, Adolfo; Couto, Flavio Tiago; López Cayuela, María Ángeles; Pérez Ramírez, Daniel; Potes, Miguel; Muñiz Rosado, Jorge Andrés; Obregón, M.A.; Barragán, Rubén; Abril Gago, Jesús; González Catón, Ramiro; Gil Díaz, Cristina; Foyo Moreno, I.; Muñoz Porcar, Constantino; Granados Muñoz, María José; Rodríguez Gómez, Alejandro Antonio; Herreras Giralda, A.; Bravo Aranda, Juan Antonio; Carvajal Pérez, Clara Violeta; Barreto Velasco, África; Alados Arboledas, Lucas (2023-06-13)
      Article
      Open Access
      Three volcanic plumes were detected during the Tajogaite volcano eruptive activity (Canary Islands, Spain, September–December 2021) over the Iberian Peninsula. The spatiotemporal evolution of these events is characterised ...