Ara es mostren els items 49-68 de 68

    • 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 ...
    • Performance and early results from the Earth Surface Mineral Dust Source Investigation (EMIT) Imaging Spectroscopy Mission 

      Green, Robert O.; Mahowald, Natalie; Thompson, David R.; Ung, Charlene; Brodrick, Philip G; Pollock, Randy; Bennett, Matthew; Lundeen, Sara; Joyce, Michael; Olson-Duvall, Winston; Oaida, Bogdan; Bradley, Christine; Pérez García-Pando, Carlos; Obiso, Vincenzo; Gonçalves Ageitos, María (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Earth Surface Mineral Dust Source Investigation (EMIT) acquires new observations of the Earth from a state-ofthe-art, optically fast F/1.8 visible to short wavelength infrared imaging spectrometer with high signal-to-noise ...
    • Quantification of the dust optical depth across spatiotemporal scales with the MIDAS global dataset (2003–2017) 

      Gkikas, Antonis; Proestakis, Emmanouil; Amiridis, Vassilis; Kazadzis, Stelios; Di Tomaso, Enza; Marinou, Eleni; Hatzianastassiou, Nikos; Kok, Jasper F.; Pérez García-Pando, Carlos (Copernicus Publications, 2022-03)
      Article
      Accés obert
      Quantifying the dust optical depth (DOD) and its uncertainty across spatiotemporal scales is key to understanding and constraining the dust cycle and its interactions with the Earth System. This study quantifies the DOD ...
    • Quantifying the range of the dust direct radiative effect due to source mineralogy uncertainty 

      Li, Longlei; Mahowald, Natalie; Miller, Ron L.; Pérez García-Pando, Carlos; Klose, Martina; Hamilton, Douglas; Gonçalves Ageitos, María; Ginoux, Paul; Balkanski, Yves; Green, Robert; Kalashnikova, Olga; Kok, Jasper; Obiso, Vicenzo; Paynter, David; Thompson, David R. (European Geosciences Union (EGU), 2021-03-17)
      Article
      Accés obert
      The large uncertainty in the mineral dust direct radiative effect (DRE) hinders projections of future climate change due to anthropogenic activity. Resolving modeled dust mineral speciation allows for spatially and temporally ...
    • Retrieving the global distribution of the threshold of wind erosion from satellite data and implementing it into the geophysical fluid dynamics laboratory land–atmosphere model (GFDL AM4.0/LM4.0) 

      Pu, Bing.; Ginoux, Paul; Guo, Huan; Hsu, N. Christina; Kimball, John; Marticorena, Beatrice; Malyshev, Sergey; Naik, Vaishali; O'Neill, Norman T.; Pérez García-Pando, Carlos; Paireau, Juliette; Prospero, Joseph M.; Shevliakova, Elena; Zhao, Ming (Copernicus Publications, 2020-01-03)
      Article
      Accés obert
      Dust emission is initiated when surface wind velocities exceed the threshold of wind erosion. Many dust models used constant threshold values globally. Here we use satellite products to characterize the frequency of dust ...
    • Role of K-feldspar and quartz in global ice nucleation by mineral dust in mixed-phase clouds 

      Chatziparaschos, Marios; Daskalakis, Nikos; Myriokefalitakis, Stelios; Kalivitis, Nikos; Nenes, Athanasios; Gonçalves Ageitos, María; Costa Surós, Montserrat; Pérez García-Pando, Carlos; Zanoli, Medea; Vrekoussis, M; Kanakidou, Maria (European Geosciences Union (EGU), 2023-02-02)
      Article
      Accés obert
      Ice-nucleating particles (INPs) enable ice formation, profoundly affecting the microphysical and radiative properties, lifetimes, and precipitation rates of clouds. Mineral dust emitted from arid regions, particularly ...
    • Sensitivity of soluble iron deposition to soil mineralogy uncertainty 

      Bergas-Massó, Elisa; Gonçalves Ageitos, María; Pérez García-Pando, Carlos (Barcelona Supercomputing Center, 2021-05)
      Text en actes de congrés
      Accés obert
      Mineral dust emitted from arid and semi-arid areas has several effects on the Earth system (e.g., perturbation of the radiative budget, interaction with cloud processes, implications on ocean and land biogeochemical ...
    • The atmospheric iron cycle in EC-earth 

      Bergas-Massó, Elisa; Gonçalves Ageitos, María; Pérez García-Pando, Carlos (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      The ocean is known to act as an atmospheric carbon dioxide (CO2) sink. About a quarter of the CO2 emitted to the atmosphere since the industrial revolution, has been captured by the ocean [1]. The capacity of the ocean ...
    • The Earth surface mineral dust source investigation: An Earth Science imaging spectroscopy mission 

      Green, Robert O.; Mahowald, Natalie; Ung, Charlene; Thompson, David R.; Bator, Lori; Bennet, Matthew; Bernas, Michael; Blackway, Natalie; Bradley, Christine; Cha, Jeff; Clark, Pamela; Clark, Roger; Cloud, Deborah; Diaz, Ernesto; Dor, Eyal Ben; Duren, Riley; Eastwood, Michael; Ehlmann, Bethany L.; Fuentes, Lisa; Ginoux, Paul; Gross, Johannes; He, Yutao; Kalashnikova, Olga; Kert, William; Keymeulen, Didier; Klimesh, Matt; Ku, Daniel; Kwong-Fu, Helenann; Liggett, Elliott; Li, Longlie; Lundeen, Sarah; Makowski, Maciej D.; Mazer, Alan; Mouroulis, Pantazis; Oaida, Bogdan; Ortega, Alberto; Oyake, Amalaye; Nguyen, Hung; Pace, Theresa; Painter, Thomas H.; Pempejian, Jack; Pérez García-Pando, Carlos; Pham, Thang; Phillips, Benjamin; Pollock, Randy; Purcell, Richard; Realmuto, Vincent; Schoolcraft, Josh; Sen, Amit; Shin, Simon; Shaw, Lucas; Soriano, Manny; Thingvold, Erik; Vaid, Afsheen; Zan, Jason (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      The Earth Surface Mineral Dust Source Investigation, EMIT, is planned to operate from the International Space Station starting no earlier than the fall of 2021. EMIT will use visible to short wavelength infrared imaging ...
    • The MONARCH high-resolution reanalysis of desert dust aerosol over Northern Africa, the Middle East and Europe (2007–2016) 

      di Tomaso, Enza; Escribano Alisio, Jeronimo; Basart Alpuente, Sara; Macchia, Francesca; Benincasa, Francesco; Bretonnière, Pierre-Antoine; Buñuel, Arnau; Castrillo Melguizo, Miguel; Gonçalves Ageitos, María; Jorba Casellas, Oriol; Klose, Martina; Montané Pinto, Gilbert; Obiso, Vincenzo; Olid García, Miriam; Pérez García-Pando, Carlos (Copernicus Office, 2022-06-21)
      Article
      Accés obert
      One of the challenges in studying desert dust aerosol along with its numerous interactions and impacts is the paucity of direct in situ measurements, particularly in the areas most affected by dust storms. Satellites ...
    • The NMMB/BSC-CTM: a multiscale online chemical weather prediction system 

      Jorba Casellas, Oriol; Pérez García-Pando, Carlos; Haustein, Karsten; Janjic, Z.; Baldasano Recio, José María; Dabdub, Donald; Badia Moragas, Alba; Spada, M. (University of West Macedonia, 2011)
      Comunicació de congrés
      Accés obert
      Abstract: The model NMMB/BSC-CTM is a new fully on-line chemical weather prediction system under development at the Earth Sciences Department of the Barcelona Supercomputing Center in collaboration with several research ...
    • Time-resolved emission reductions for atmospheric chemistry modelling in Europe during the COVID-19 lockdowns 

      Guevara Vilardell, Marc; Jorba Casellas, Oriol; Soret, Albert; Petetin, Hervé; Bowdalo, Dene; Serradell Maronda, Kim; Tena, Carles; Gon, Hugo Denier van der; Kuenen, Jeroen; Peuch, Vincent-Henri; Pérez García-Pando, Carlos (Copernicus Publications, 2021)
      Article
      Accés obert
      We quantify the reductions in primary emissions due to the COVID-19 lockdowns in Europe. Our estimates are provided in the form of a dataset of reduction factors varying per country and day that will allow the modelling ...
    • To what extent the traffic restriction policies applied in Barcelona city can improve its air quality? 

      Rodríguez Rey, Daniel; Guevara Vilardell, Marc; Linares Herreros, María Paz; Casanovas Prats, Josep; Mateu Armengol, Jan; Benavides, Jaime; Soret Miravet, Albert; Jorba Casellas, Oriol; Tena Medina, Carles; Pérez García-Pando, Carlos (Elsevier, 2022-02-10)
      Article
      Accés obert
      Barcelona city (Spain) is applying a series of traffic restriction measures that aim at renewing and reducing the amount of circulating vehicles to improve air quality. The measures include changes in the built environment ...
    • Trend changes of African airmass intrusions in the marine boundary layer over the subtropical Eastern North Atlantic region in winter 

      Alonso Perez, Silvia; Cuevas, Emilio; Pérez García-Pando, Carlos; Querol, Xavier; Baldasano Recio, José María; Draxler, R; de Bustos, J.J (John Wiley & Sons, 2011-04-01)
      Article
      Accés restringit per política de l'editorial
      African dust intrusions in the marine mixing layer of the Eastern North Atlantic subtropical region (23.5◦N to 35◦N) are favoured in winter when the eastern edge of the Azores High covers Southwestern Europe and North ...
    • Understanding the local and remote source contributions to ambient O3 during a pollution episode using a combination of experimental approaches in the Guadalquivir valley, southern Spain 

      In 't Veld, Marten; Carnerero Quintero, Cristina; Massagué Obradors, Jordi; Alastuey Urós, Andrés; de la Rosa, Jesús D.; Sánchez de la Campa Verdona, Ana M.; Escudero Tellechea, Miguel; Mantilla Iglesias, Enrique; Gangoiti Bengoa, Gotzon; Pérez García-Pando, Carlos; Olid García, Miriam; Moreta González, Juan Ramón; Hernández Pérez, José Luis; Santamaría Sancho, Julián J.; Millan Muñoz, Millán; Querol Carceller, Xavier (Elsevier, 2021-07-10)
      Article
      Accés obert
      The Guadalquivir Valley is one of three major O3 hotspots in Spain. An airborne and surface measurement campaign was carried out from July 9th to 11th, 2019 to quantify the local/regional O3 contributions using experimental ...
    • Variability in sediment particle size, mineralogy, and Fe mode of occurrence across dust-source inland drainage basins: the case of the lower Drâa Valley, Morocco 

      González Romero, Adolfo; González Flórez, Cristina; Panta, Agnesh; Yus Díez, Jesús; Reche Andúgar, Cristina; Córdoba Sola, Patricia; Moreno Palmerola, Natàlia; Alastuey Urós, Andrés; Kandler, Konrad; Klose, Martina; Baldo, Clarissa; Nelson Clark, Roger; Shi, ZongBo; Querol Carceller, Xavier; Pérez García-Pando, Carlos (European Geosciences Union (EGU), 2023-12-22)
      Article
      Accés obert
      The effects of desert dust upon climate and ecosystems depend strongly on its particle size and size-resolved mineralogical composition. However, there is very limited quantitative knowledge on the particle size and ...