Exploració per autor "Jorba Casellas, Oriol"Més informació

Ara es mostren els items 38-57 de 66

    • Lessons from the COVID-19 air pollution decrease in Spain: Now what? 

      Querol Carceller, Xavier; Massagué Obradors, Jordi; Alastuey Urós, Andrés; Moreno Pérez, Teresa; Gangoiti Bengoa, Gotzon; Mantilla Iglesias, Enrique; Diéguez Rodríguez, José Jaime; Escudero Tellechea, Miguel; Monfort Gimeno, Eliseo; Pérez García-Pando, Carlos; Petetin, Hervé; Jorba Casellas, Oriol (Elsevier, 2021-07)
      Article
      Accés obert
      We offer an overview of the COVID-19 -driven air quality changes across 11 metropolises in Spain with the focus on lessons learned on how continuing abating pollution. Traffic flow decreased by up to 80% during the lockdown ...

    • Local traffic contribution to black carbon horizontal and vertical profiles in compact urban areas 

      Benavides, Jaime; Guevara Vilardell, Marc; Jorba Casellas, Oriol (Barcelona Supercomputing Center, 2019-05-07)
      Text en actes de congrés
      Accés obert
      Urban air pollution is characterized by strong spatial gradients produced by the presence of heavily trafficked streets. Given the negative health effects of air pollution, decision makers are implementing policies to ...

    • Long-term evaluation of surface air pollution in CAMSRA and MERRA-2 global reanalyses over Europe (2003–2020) 

      Lacima, Aleksander; Petetin, Hervé; Soret, Albert; Bowdalo, Dene; Jorba Casellas, Oriol; Chen, Zhaoyue; Méndez Turrubiates, Raúl F.; Achebak, Hicham; Ballester, Joan; Pérez García-Pando, Carlos (Copernicus Publications, 2023)
      Article
      Accés obert
      Over the last century, our societies have experienced a sharp increase in urban population and fossil-fuelled transportation, turning air pollution into a critical issue. It is therefore key to accurately characterize the ...

    • Measurement report: Characterization of the vertical distribution of airborne Pinus pollen in the atmosphere with lidar-derived profiles: a modeling case study in the region of Barcelona, NE Spain 

      Sicard, Michaël; Jorba Casellas, Oriol; Ho Zhang, Jiang Ji; Izquierdo Miguel, Rebeca; De Linares, Concepción; Alarcón Jordán, Marta; Comerón Tejero, Adolfo; Belmonte Soler, Jordina (European Geosciences Union (EGU), 2021-12-06)
      Article
      Accés obert
      This paper investigates the mechanisms involved in the dispersion, structure, and mixing in the vertical column of atmospheric pollen. The methodology used employs observations of pollen concentration obtained from Hirst ...

    • Meteorology-normalized impact of the COVID-19 lockdown upon NO2 pollution in Spain 

      Petetin, Hervé; Bowdalo, Dene; Soret, Albert; Guevara Vilardell, Marc; Jorba Casellas, Oriol; Serradell Maronda, Kim; Pérez García-Pando, Carlos (Copernicus Publications, 2020)
      Article
      Accés obert
      The spread of the new coronavirus SARS-CoV-2 that causes COVID-19 forced the Spanish Government to implement extensive lockdown measures to reduce the number of hospital admissions, starting on 14 March 2020. Over the ...

    • Mineral dust cycle in the Multiscale Online Nonhydrostatic AtmospheRe CHemistry model (MONARCH) version 2.0 

      Klose, Martina; Jorba Casellas, Oriol; Gonçalves Ageitos, María; Escribano Alisio, Jeronimo; Dawson, Matthew; Obiso, Vicenzo; di Tomaso, Enza; Basart, Sara; Montané Pinto, Gilbert; Macchia, Francesca; Ginoux, Paul; Guerschman, Juan; Prigent, Catherine; Huang, Yue; Kok, Jasper; Miller, Ron L.; Pérez García-Pando, Carlos (2021-10-25)
      Article
      Accés obert
      We present the dust module in the Multiscale Online Non-hydrostatic AtmospheRe CHemistry model (MONARCH) version 2.0, a chemical weather prediction system that can be used for regional and global modeling at a range of ...

    • Modeling and evaluation of the global sea-salt aerosol distribution: sensitivity to emission schemes and resolution effects at coastal/orographic sites 

      Spada, Michele; Jorba Casellas, Oriol; Pérez García-Pando, Carlos; Janjic, Z; Baldasano Recio, José María (2013)
      Article
      Accés obert
      One of the major sources of uncertainty in model estimates of the global sea-salt aerosol distribution is the emission parameterization. We evaluate a new sea-salt aerosol life cycle module coupled to the online multiscale ...

    • Modeling dust mineralogical composition: sensitivity to soil mineralogy atlases and their expected climate impacts 

      Gonçalves Ageitos, María; Obiso, Vincenzo; Miller, Ron L.; Jorba Casellas, Oriol; Klose, Martina; Dawson, Matthew; Balkanski, Yves; Perlwitz, Jan; Basart Alpuente, Sara; di Tomaso, Enza; Escribano Alisio, Jeronimo; Macchia, Francesca; Montané Pinto, Gilbert; Mahowald, Natalie; Green, Robert; Thompson, David R.; Pérez García-Pando, Carlos (European Geosciences Union (EGU), 2023-08-04)
      Article
      Accés obert
      Soil dust aerosols are a key component of the climate system, as they interact with short- and long-wave radiation, alter cloud formation processes, affect atmospheric chemistry and play a role in biogeochemical cycles by ...

    • Modeling nitric acid uptake by mineral dust 

      Soussé Villa, Rubén; Jorba Casellas, Oriol; Pérez García-Pando, Carlos (Barcelona Supercomputing Center, 2021-05)
      Text en actes de congrés
      Accés obert
      Mineral dust is amongst the largest contributors to the global aerosol mass load and dominates climate effects over large areas of the Earth. Dust undergoes heterogeneous chemical reactions during transport that increase ...

    • Modelling of airborne pollen dispersion in the atmosphere in the Catalonia region, Spain: model description, emission scheme and evaluation of model performance for the case of Pinus 

      Sicard, Michaël; Jorba Casellas, Oriol; Izquierdo Miguel, Rebeca; Alarcón Jordán, Marta; De Linares, Concepción; Belmonte Soler, Jordina (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Pollination is a biologically-relevant process that affects the structure of ecosystems since pollen contributes to determine the spatial distribution of plant species. It is thus of interest for mapping ecosystem services ...

    • MONARCH regional reanalysis of desert dust aerosols: an initial assessment 

      di Tomaso, Enza; Escribano Alisio, Jeronimo; Basart, Sara; Ginoux, Paul; Macchia, Francesca; Barnaba, Francesca; Benincasa, Francesco; Bretonnière, Pierre-Antoine; Buñuel, Arnau; Castrillo Melguizo, Miguel; Cuevas Agulló, Emilio; Formenti, Paola; Gonçalves Ageitos, María; Jorba Casellas, Oriol; Klose, Martina; Mona, Lucia; Montané Pinto, Gilbert; Mytilinaios, Michail; Obiso, Vincenzo; Olid García, Miriam; Schutgens, Nick; Votsis, Athanasios; Werner, Ernest; Pérez García-Pando, Carlos (Springer, 2023-01-02)
      Capítol de llibre
      Accés obert
      Aerosol reanalyses are a well-established tool for monitoring aerosol trends, for validation and calibration of weather chemical models, as well as for the enhancement of strategies for environmental monitoring and hazard ...

    • Multiple layer aerosol atructures observed within the Barcelona air basin from regular lidar mesurements 

      Pérez, Carlos; Sicard, Michaël; Baldasano Recio, José María; Jorba Casellas, Oriol; Comerón Tejero, Adolfo (PERGAMON-ELSEVIER SCIENCE LTD, 2003-09-30)
      Article
      Accés obert

    • Near real time evaluation of the spanish air quality forecast system: CALIOPE 

      Gonçalves Ageitos, María; Piot, Matthias; Jorba Casellas, Oriol; Carrió, D.; Gassó Domingo, Santiago; Baldasano Recio, José María (2010)
      Comunicació de congrés
      Accés obert
      The WRF-ARW/HERMES-EMEP/CMAQ/BSC-DREAM8b modelling system provides high resolution air quality predictions for 48h in Europe –EU12- (12x12 km2, 1h), the Iberian Peninsula and Balearic Islands –IP4- (4x4 km2, 1h) and Canary ...

    • On the evaluation of global sea-salt aerosol models at coastal/orographic sites 

      Spada, Michele; Jorba Casellas, Oriol; Pérez García-Pando, Carlos; Janjic, Z.; Baldasano Recio, José María (2015-01-01)
      Article
      Accés obert
      Sea-salt aerosol global models are typically evaluated against concentration observations at coastal stations that are unaffected by local surf conditions and thus considered representative of open ocean conditions. Despite ...

    • On the impact of excess diesel NOX emissions upon NO2 pollution in a compact city 

      Benavides, Jaime; Guevara Vilardell, Marc; Snyde, Michelle G; Rodríguez Rey, Daniel; Soret, Albert; Pérez García-Pando, Carlos; Jorba Casellas, Oriol (IOP Publishing Ltd, 2021)
      Article
      Accés obert
      NOX emissions from diesel light-duty-vehicles (LDV) largely exceed the Euro emission standards in real-world driving conditions. Recent studies have quantified their impact upon air quality and human health primarily based ...

    • Overview of the meteorology and transport patterns during the DAURE field campaign and their impact to PM observations 

      Jorba Casellas, Oriol; Pandolfi, Marco; Spada, Michele; Baldasano Recio, José María; Pey, Jorge; Alastuey, Andres; Arnold Arias, Dèlia; Sicard, Michaël; Artiñano, Begoña; Revuelta, M.A.; Querol, Xavier (2013-10)
      Article
      Accés restringit per política de l'editorial
      The experimental campaign “Determination of the sources of atmospheric Aerosols in Urban and RuralEnvironments in Spain “(DAURE) took place in a urban (Barcelona city) and a rural (the Montseny Natural Park) Spanish sites. ...

    • Potential of TROPOMI for understanding spatio-temporal variations in surface NO2 and their dependencies upon land use over the Iberian Peninsula 

      Petetin, Hervé; Guevara Vilardell, Marc; Compernolle, Steve; Bowdalo, Dene; Bretonnière, Pierre-Antoine; Enciso, Santiago; Jorba Casellas, Oriol; López Coronado, Franco Rodrigo; Soret Miravet, Albert; García Pando, Carlos Pérez (European Geosciences Union (EGU), 2023-04-03)
      Article
      Accés obert
      In orbit since late 2017, the Tropospheric Monitoring Instrument (TROPOMI) is offering new outstanding opportunities for better understanding the emission and fate of nitrogen dioxide (NO2) pollution in the troposphere. ...

    • Potential significance of photoexcited NO 2 on global air quality with the NMMB/BSC chemical transport model 

      Gonçalves Ageitos, María; Jorba Casellas, Oriol; Dabdub, Donald; Blaszczak-Boxe, C.; Pérez, C.; Janjic, Z.; Baldasano Recio, José María; Spada, M.; Badia Moragas, Alba (2012)
      Article
      Accés obert

    • Simulación de los campos de viento de la Península Ibérica y el área geográfica de Catalunya con alta resolución espacial para distintas situaciones meteorológicas típicas. 

      Jorba Casellas, Oriol (Universitat Politècnica de Catalunya, 2005-03-08)
      Tesi
      Accés obert
      La qualitat de l'aire d'una zona està directament lligada amb la situació meteorológica present i les seves característiques dispersives. Per aquest motiu, l'estudi dels vents en uns regió suposa una aportació d'informació ...

    • Simulations of moist convection by a variational multiscale stabilized finite element method 

      Marras, Simone; Moragues, Margarida; Vázquez, Mariano; Jorba Casellas, Oriol; Houzeaux, Guillaume (2013-11-01)
      Article
      Accés restringit per política de l'editorial
      A variational multiscale stabilized finite element scheme is presented for the solution of moist atmospheric flows. The fully compressible Euler equations are coupled to a system of three advection equations that model the ...