Ara es mostren els items 34-53 de 68

    • Improved representation of the global dust cycle using observational constraints on dust properties and abundance 

      Kok, Jasper F.; Adebiyi, Adeyemi A.; Albani, Samuel; Balkanski, Yves; Checa Garcia, Ramiro; Klose, Martina; Obiso, Vincenzo; Pérez García-Pando, Carlos (Copernicus Publications, 2021)
      Article
      Accés obert
      Even though desert dust is the most abundant aerosol by mass in Earth's atmosphere, atmospheric models struggle to accurately represent its spatial and temporal distribution. These model errors are partially caused by ...
    • Insights into the single-particle composition, size, mixing state, and aspect ratio of freshly emitted mineral dust from field measurements in the Moroccan Sahara using electron microscopy 

      Panta, Agnesh; Kandler, Konrad; Alastuey, Andres; González Flórez, Cristina; González Romero, Adolfo; Klose, Martina; Querol, Xavier; Reche, Cristina; Yus Díez, Jesús; Pérez García-Pando, Carlos (Copernicus Publications, 2023-03)
      Article
      Accés obert
      The chemical and morphological properties of mineral dust aerosols emitted by wind erosion from arid and semi-arid regions influence climate, ocean, and land ecosystems; air quality; and multiple socio-economic sectors. ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Model output statistics (MOS) applied to Copernicus Atmospheric Monitoring Service (CAMS) O3 forecasts: trade-offs between continuous and categorical skill scores 

      Petetin, Hervé; Bowdalo, Dene; Bretonnière, Pierre-Antoine; Guevara Vilardell, Marc; Jorba, Oriol; Mateu Armengol, Jan; Samso Cabre, Margarida; Serradell, Kim; Soret, Albert; Pérez García-Pando, Carlos (Copernicus Publications, 2022)
      Article
      Accés obert
      Air quality (AQ) forecasting systems are usually built upon physics-based numerical models that are affected by a number of uncertainty sources. In order to reduce forecast errors, first and foremost the bias, they are ...
    • 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 ...
    • ModIs Dust AeroSol (MIDAS): a global fine-resolution dust optical depth data set 

      Gkikas, Antonis; Proestakis, Emmanouil; Amiridis, Vassilis; Kazadzis, Stelios; Tomaso, Enza Di; Tsekeri, Alexandra; Marinou, Eleni; Hatzianastassiou, Nikos; Pérez García-Pando, Carlos (Copernicus Publications, 2021)
      Article
      Accés obert
      Monitoring and describing the spatiotemporal variability in dust aerosols is crucial for understanding their multiple effects, related feedbacks, and impacts within the Earth system. This study describes the development ...
    • 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 ...
    • Monitoring the impact of desert dust outbreaks for air quality for health studies 

      Querol, X.; Tobías, A.; Pérez, N.; Karanasiou, A.; Amato, F.; Stafoggia, M.; Pérez García-Pando, Carlos; Ginoux, P.; Forastiere, F.; Gumy, S.; Mudu, P.; Alastuey, A. (Elsevier, 2019-09)
      Article
      Accés obert
      We review the major features of desert dust outbreaks that are relevant to the assessment of dust impacts upon human health. Our ultimate goal is to provide scientific guidance for the acquisition of relevant population ...
    • Multi-sectoral impact assessment of an extreme African dust episode in the Eastern Mediterranean in March 2018 

      Monteiro, Alexandra; Basart, Sara; Kazadzis, Stelios; Votzis, Athanasios; Gkikas, Antonis; Pérez García-Pando, Carlos (Elsevier, 2022)
      Article
      Accés obert
      In late March 2018, a large part of the Eastern Mediterranean experienced an extraordinary episode of African dust, one of the most intense in recent years, here referred to as the “Minoan Red” event. The episode mainly ...
    • Multiphase processes in the EC-Earth model and their relevance to the atmospheric oxalate, sulfate, and iron cycles 

      Myriokefalitakis, Stelios; Bergas Massó, Elisa; Gonçalves Ageitos, María; Pérez García-Pando, Carlos; van Noije, Twan; Le Sager, Philippe; Ito, Akinori; Athanasopoulou, Eleni; Nenes, Athanasios; Kanakidou, Maria; Krol, Maarten; Gerasopoulos, Evangelos (European Geosciences Union (EGU), 2022-04-08)
      Article
      Accés obert
      Understanding how multiphase processes affect the iron-containing aerosol cycle is key to predicting ocean biogeochemistry changes and hence the feedback effects on climate. For this work, the EC-Earth Earth system model ...
    • OBSERVING MINERAL DUST IN NORTHERN AFRICA, THE MIDDLE EAST AND EUROPE: CURRENT CAPABILITIES AND CHALLENGES AHEAD FOR THE DEVELOPMENT OF DUST SERVICES 

      Mona, Lucia; Amiridis, Vassilis; Cuevas, Emilio; Gkikas, Antonis; Trippetta, Serena; Pérez García-Pando, Carlos; Basart, Sara (American Meteorological Society (AMS), 2023)
      Article
      Accés obert
      Mineral dust produced by wind erosion of arid and semi-arid surfaces is a major component of atmospheric aerosol that affects climate, weather, ecosystems, and socio-economic sectors such as human health, transportation, ...
    • 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 ...
    • Ozone source apportionment during peak summer events over southwestern Europe 

      Pay, Maria Teresa; Gangoiti, Gotzon; Guevara Vilardell, Marc; Napelenok, Sergey; Querol, Xavier; Jorba, Oriol; Pérez García-Pando, Carlos (European Geosciences Union, 2019-04-25)
      Article
      Accés obert
      It is well established that in Europe, high O3 concentrations are most pronounced in southern/Mediterranean countries due to the more favourable climatological conditions for its formation. However, the contribution of the ...
    • Parallel software for retrieval of aerosol distribution from LIDAR Data in the framework of EARLINET-ASOS 

      Osterloh, L.; Pérez García-Pando, Carlos; Böhme, D.; Baldasano Recio, José María; Böckmann, Ch.; Schneidenbach, L.; Vicente, D. (2009-11-01)
      Article
      Accés restringit per política de l'editorial
      We present new software for the retrieval of the volume distribution –and thus, other relevant microphysical properties such as the effective radius– of stratospheric and tropospheric aerosols from multiwavelength LIDAR ...