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    • 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
      Accés obert
      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
      Accés obert
      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
      Accés obert
      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 ...

    • Climatological assessment of the vertically resolved optical and microphysical aerosol properties by lidar measurements, sun photometer, and in situ observations over 17 years at Universitat Politècnica de Catalunya (UPC) Barcelona 

      Lolli, Simone; Sicard, Michaël; Amato, Francesco; Comerón Tejero, Adolfo; Gil Díaz, Cristina; Landi, Tony C.; Muñoz Porcar, Constantino; Oliveira, Daniel Camilo Fortunato dos Santos; Dios Otín, Víctor Federico; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Alastuey Urós, Andrés; Querol Carceller, Xavier; Reche Andúgar, Cristina (European Geosciences Union (EGU), 2023-10-13)
      Article
      Accés obert
      Aerosols are one of the most important pollutants in the atmosphere and have been monitored for the past few decades by remote sensing and in situ observation platforms to assess the effectiveness of government-managed ...

    • Combined sun-photometer–lidar inversion: lessons learned during the EARLINET/ACTRIS COVID-19 campaign 

      Tsekeri, Alexandra; Gialitaki, Anna; Di Paolantonio, Marco; Dionisi, Davide; Pérez Ramirez, D; Liberti, Gian Luigi; Fernandes, Alnilam; Szkop, Artur; Pietruczuk, Aleksander; Pérez Ramírez, Daniel; Granados Muñoz, María José; Guerrero Rascado, Juan Luis; Alados Arboledas, Lucas; Bermejo Pantaleón, Diego; Bravo Aranda, Juan Antonio; Kampouri, Anna; Marinou, Eleni; Amiridis, Vassilis; Sicard, Michaël; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio (European Geosciences Union (EGU), 2023-12-15)
      Article
      Accés obert
      The European Aerosol Research Lidar Network (EARLINET), part of the Aerosols, Clouds and Trace gases Research Infrastructure (ACTRIS), organized an intensive observational campaign in May 2020, with the objective of ...

    • Concept design of a multiwavelength aerosol lidar system with mitigated diattenuation effects and depolarization-measurement capability 

      Comerón Tejero, Adolfo; Sicard, Michaël; Vidal Calvo, Eric; Barragán Cuesta, Rubén; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Tiana Alsina, Jordi; Rocadenbosch Burillo, Francisco; García Vizcaíno, David (EDP Sciences, 2016)
      Comunicació de congrés
      Accés obert
      It is known that the retrieval of aerosol extinction and backscatter coefficients from lidar data acquired through so-called total-power channels – intended to measure the backscattered power irrespective of the polarization ...

    • Considerations about the determination of the depolarization calibration profile of a two-telescope lidar and its implications for volume depolarization ratio retrieval 

      Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Barragán Cuesta, Rubén; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Granados Muñoz, María José (Multidisciplinary Digital Publishing Institute (MDPI), 2018-06-04)
      Article
      Accés obert
      We propose a new method for calculating the volume depolarization ratio of light backscattered by the atmosphere and a lidar system that employs an auxiliary telescope to detect the depolarized component. It takes into ...

    • Contribution of EARLINET/ACTRIS to the summer 2013 special observing period of the ChArMEx project: monitoring of a Saharan dust event over the western and central Mediterranean 

      Sicard, Michaël; Barragán Cuesta, Rubén; Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Mallet, Marc; Dulac, F; Pelon, Jacques; Alados Arboledas, Lucas; Amodeo, Aldo; Boselli, Antonella; Bravo Aranda, Juan Antonio; D'Amico, Giuseppe; Granados Muñoz, María José; Leto, Giuseppe; Guerrero Rascado, Juan Luis; Madonna, Fabio; Mona, Lucia; Pappalardo, Gelsomina; Perrone, Maria-Rita; Burlizzi, Pasquale; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Scollo, Simona; Spinelli, N.; Titos, Gloria; Wang, Xuan; Zanmar Sanchez, Ricardo (2016-10-22)
      Article
      Accés obert
      In the framework of the Chemistry-Aerosol Mediterranean Experiment (ChArMEx; http://charmex.lsce.ipsl.fr/) initiative, a field campaign took place in the western Mediterranean Basin between 10 June and 5 July 2013 within ...

    • Current research in lidar technology used for the remote sensing of atmospheric aerosols 

      Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (MDPI AG, 2017-06-20)
      Article
      Accés obert
      Lidars are active optical remote sensing instruments with unique capabilities for atmospheric sounding. A manifold of atmospheric variables can be profiled using different types of lidar: concentration of species, wind ...

    • Depolarization channel for barcelona lidar. Implementation and preliminary measurements 

      Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël; Muñoz Porcar, Constantino; Barragán Cuesta, Rubén; Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; Vidal Calvo, Eric (EDP Sciences, 2018)
      Comunicació de congrés
      Accés obert
      A new depolarization channel has beenimplemented in the BarcelonaTech University(UPC) multi-wavelength lidar system. The opticaland mechanical designs are presented. The specialconfiguration of the total power channel is ...

    • Diffuse sunlight based calibration of the water vapor channel in the UPC Raman lidar 

      Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Sicard, Michaël; Barragán Cuesta, Rubén; García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco (EDP Sciences, 2017)
      Comunicació de congrés
      Accés obert
      A method for determining the calibration factor of the water vapor channel of a Raman lidar, based on zenith measurements of diffuse sunlight and on assumptions regarding some system parameters and Raman scattering models, ...

    • Dimensionless parameterization of lidar for laser remote sensing of the atmosphere and its application to systems with SiPM and PMT detectors 

      Agishev, Ravil R.; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (2014-05-20)
      Article
      Accés obert
      In this paper, we show a renewed approach to the generalized methodology for atmospheric lidar assessment, which uses the dimensionless parameterization as a core component. It is based on a series of our previous works ...

    • Direct, longwave radiative forcing of mineral dust: improvement of its estimation by means of tools recently developed by the EARLINET community 

      Sicard, Michaël; Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Barragán Cuesta, Rubén (EDP Sciences, 2016)
      Text en actes de congrés
      Accés obert
      The objective of this work is to investigate how the knowledge of the vertically-resolved fine and coarse mode aerosol optical depth modifies the longwave radiative forcing. Since relatively little the EARLINET (European ...

    • Earlinet single calculus chain: new products overview 

      D'Amico, Giuseppe; Mattis, I.; Binietoglou, Ioannis; Rodríguez Gómez, Alejandro Antonio (EDP Sciences, 2018)
      Text en actes de congrés
      Accés obert
      The Single Calculus Chain (SCC) is an automatic and flexible tool to analyze raw lidar data using EARLINET quality assured retrieval algorithms. It has been already demonstrated the SCC can retrieve reliable aerosol ...

    • Effects of noise on lidar data inversion with the backward algorithm 

      Comerón Tejero, Adolfo; Rocadenbosch Burillo, Francisco; López Márquez, Miguel Ángel; Rodríguez Gómez, Alejandro Antonio; Muñoz, Constantino; García Vizcaíno, David; Sicard, Michaël (Optical Society of America, 2004-04-30)
      Article
      Accés obert

    • Evaluation of the accuracy of the aerosol optical and microphysical retrievals by the GRASP algorithm from combined measurements of a polarized sun-sky-lunar photometer and a three-wavelength elastic lidar 

      Oliveira, Daniel Camilo Fortunato dos Santos; Sicard, Michaël; Rodríguez Gómez, Alejandro Antonio; Comerón Tejero, Adolfo; Muñoz Porcar, Constantino; Gil Díaz, Cristina; Lolli, Simone; Dubovik, Oleg; Lopatin, Anton; Herrera, Milagros Estefania; Herreras Giralda, Marcos (Multidisciplinary Digital Publishing Institute (MDPI), 2023-10-18)
      Article
      Accés obert
      The versatile Generalized Retrieval of Aerosol and Surface Properties (GRASP) algorithm exploits the advantages of synergic ground-based aerosol observations such as radiometric (sensitive to columnar aerosol optical and ...

    • Examen final 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2018-06-08)
      Examen
      Accés restringit a la comunitat UPC

    • Examen final 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2019-01-08)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      Rodríguez Gómez, Alejandro Antonio (Universitat Politècnica de Catalunya, 2018-04-03)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      García Lozano, Mario; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Pérez Díaz de Cerio, David; Rodríguez Gómez, Alejandro Antonio; Spadaro, Salvatore; Tarrés Ruiz, Francisco (Universitat Politècnica de Catalunya, 2018-04-09)
      Examen
      Accés restringit a la comunitat UPC