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Ara es mostren els items 21-40 de 74

    • 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

    • 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, 2018-11-07)
      Examen
      Accés restringit a la comunitat UPC

    • Extreme, wintertime Saharan dust intrusion in the Iberian Peninsula: lidar monitoring and evaluation of dust forecast models during the February 2017 event 

      Fernández García, Alfonso Javier; Sicard, Michaël; Costa, Maria João; Guerrero Rascado, Juan Luis; Gomez Amo, J.L.; Molero, Francisco; Barragán Cuesta, Rubén; Basart, Sara; Bortoli, D.; Bedoya Velásquez, Andrés Esteban; Granados Muñoz, María José; Martínez Lozano, José Antonio; Artiñano, Begoña; Muñoz Porcar, Constantino; Román Díez, Roberto; Rocadenbosch Burillo, Francisco; Benavent Oltra, José Antonio; Rodríguez Gómez, Alejandro Antonio; Alados Arboledas, Lucas; Comerón Tejero, Adolfo; Pujadas Cordero, Manuel (2019-06-18)
      Article
      Accés obert
      An unprecedented extreme Saharan dust event was registered in winter time from 20 to 23 February 2017 over the Iberian Peninsula (IP). We report on aerosol optical properties observed under this extreme dust intrusion ...

    • Extreme, wintertime Saharan dust intrusion in the Iberian Peninsula: Lidar monitoring and evaluation of dust forecast models during the February 2017 event 

      Fernández, Alfonso J.; Sicard, Michaël; Costa, Maria J.; Guerrero-Rascado, Juan L.; Gómez-Amo, José L.; Molero, Francisco; Barragán Cuesta, Rubén; Basart, Sara; Bortoli, Daniele; Bedoya-Velásquez, Andrés E.; Utrillas, María P.; Salvador, Pedro; Granados Muñoz, María José; Potes, Miguel; Ortiz-Amezcua, Pablo; Martínez-Lozano, José A.; Artíñano, Begoña; Muñoz Porcar, Constantino; Salgado, Rui; Román, Roberto; Rocadenbosch Burillo, Francisco; Salgueiro, Vanda; Benavent-Oltra, José A.; Rodríguez Gómez, Alejandro Antonio; Alados-Arboledas, Lucas; Comerón Tejero, Adolfo; Pujadas, Manuel (Elsevier, 2019-11-01)
      Article
      Accés obert
      An unprecedented extreme Saharan dust event was registered in winter time from 20 to 23 February 2017 over the Iberian Peninsula (IP). We report on aerosol optical properties observed under this extreme dust intrusion ...

    • Fresh volcanic aerosols injected in the atmosphere during the volcano eruptive activity at the Cumbre Vieja area (La Palma, Canary Islands): Temporal evolution and vertical impact 

      Cordoba Jabonero, Carmen; Sicard, Michaël; Barreto Velasco, África; Toledano, Carlos; López Cayuela, María Ángeles; Comerón Tejero, Adolfo; García Rodríguez, Omaira; Carvajal Pérez, Clara Violeta; Gil Díaz, Cristina; Ramos López, Ramón; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio (Elsevier, 2023-05)
      Article
      Accés restringit per política de l'editorial
      For the first time in fifty years, the Cumbre Vieja volcanic area (La Palma, Canary Islands, Spain) erupted on September 19, 2021, giving birth to a new volcano. Fresh volcanic aerosols were continuously injected into the ...

    • Geometrical and optical properties of cirrus clouds in Barcelona, Spain: analysis with the two-way transmittance method of 4 years of lidar measurements 

      Gil Díaz, Cristina; Sicard, Michaël; Comerón Tejero, Adolfo; Oliveira, Daniel Camilo Fortunato dos Santos; Muñoz Porcar, Constantino; Rodríguez Gómez, Alejandro Antonio; Lewis, Jasper R.; Welton, Ellsworth J.; Lolli, Simone (European Geosciences Union (EGU), 2024-02-20)
      Article
      Accés obert
      In this paper a statistical study of cirrus geometrical and optical properties based on 4 years of continuous ground-based lidar measurements with the Barcelona (Spain) Micro Pulse Lidar (MPL) is analysed. First, a review ...

    • Ground/space, passive/active remote sensing observations coupled with particle dispersion modelling to understand the inter-continental transport of wildfire smoke plumes 

      Sicard, Michaël; Granados Muñoz, María José; Alados Arboledas, Lucas; Barragán Cuesta, Rubén; Bedoya Velásquez, Andrés Esteban; Benavent Oltra, José Antonio; Bortoli, D.; Comerón Tejero, Adolfo; Cordoba Jabonero, Carmen; Costa, Maria João; del Aguila, Ana; Fernández García, Alfonso Javier; Guerrero Rascado, Juan Luis; Jorba Casellas, Oriol; Molero, Francisco; Muñoz Porcar, Constantino; Papagiannopoulos, N.; Pujadas Cordero, Manuel; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sola Salvatierra, Yolanda (2019-10-01)
      Article
      Accés obert
      During the 2017 record-breaking burning season in Canada/United States, intense wild fires raged during the first week of September in the Pacific northwestern region (British Columbia, Alberta, Washington, Oregon, Idaho, ...