Browsing by Author "Querol, Xavier"

Now showing items 1-20 of 20

    • 2005-2017 Ozone trends and potential benefits of local measures as deduced from air quality measurements in the north of the Barcelona metropolitan area 

      Massagué Obradors, Jordi; Carnerero Quintero, Cristina; Escudero, M.; Baldasano Recio, José María; Alastuey, Andres; Querol, Xavier (European Geosciences Union (EGU), 2019-06-05)
      Article
      Open Access
      We analyzed 2005–2017 data sets on ozone (O3) concentrations in an area (the Vic Plain) frequently affected by the atmospheric plume northward transport of the Barcelona metropolitan area (BMA), the atmospheric basin of ...

    • CALIOPE-Urban v1.0: coupling R-LINE with a mesoscale air quality modelling system for urban air quality forecasts over Barcelona city (Spain) 

      Benavides, Jaime; Snyder, Michelle; Guevara Vilardell, Marc; Soret, Albert; Pérez García-Pando, Carlos; Amato, Fulvio; Querol, Xavier; Jorba Casellas, Oriol (Copernicus Publications, 2019)
      Article
      Open Access
      he NO2 annual air quality limit value is systematically exceeded in many European cities. In this context, understanding human exposure, improving policy and planning, and providing forecasts requires the development of ...

    • Compliance with 2021 WHO air quality guidelines across Europe will require radical measures 

      Bowdalo, Dene; Petetin, Hervé; Jorba Casellas, Oriol; Guevara Vilardell, Marc; Soret, Albert; Bojovic, Dragana; Terrado, Marta; Querol, Xavier; Pérez García-Pando, Carlos (IOP Publishing, 2022)
      Article
      Open Access

    • Discovering oxidative potential (OP) drivers of atmospheric PM10, PM2.5, and PM1 simultaneously in North-Eastern Spain 

      In 't Veld, Marten; Pandolfi, Marco; Amato, Fulvio; Pérez, Norma; Reche, Cristina; Dominutti, Pamela Alejandra; Jaffrezo, Jean Luc; Alastuey Urós, Andrés; Querol, Xavier; Uzu, Gaelle (Elsevier, 2023-01-20)
      Article
      Open Access
      Ambient particulate matter (PM) is a major contributor to air pollution, leading to adverse health effects on the human population. It has been suggested that the oxidative potential (OP, as a tracer of oxidative stress) ...

    • Extreme ozone episodes in a major Mediterranean urban area 

      Massagué, Jordi; Torre Pascual, Eduardo; Carnerero, Cristina; Escudero, Miguel; Alastuey, Andrés; Pandolfi, Marco; Querol, Xavier; Gangoiti, Gotzon (Copernicus Publications, 2024)
      Article
      Open Access
      This study analyses three extreme ozone (O3) episodes that occurred in Barcelona (NE Spain) during the summers of 2015, 2018, and 2019. These episodes exceeded the EU's hourly information threshold (180 µg m−3) for the ...

    • 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
      Open Access
      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. ...

    • Lithogeochimical exploration in a Hercynian Tin-bering batholith in the Northwest of the Iberian Península 

      Fernández-Turiel, J.L.; Hernández Chiva, Emilio; Durán, M.E.; Querol, Xavier (Consejo Superior de Investigaciones Científicas (CSIC), 1990-09)
      Article
      Open Access
      El Batolito hercinico de Ricobayo, al que se encuentran asociadas genéticamente mineralizaciones de estaño, ha sido objeto de un estudio litogeoquimico con el fin de comprobar la efectividad de tales metodos en la ...

    • Mediterranean intense desert dust outbreaks and their vertical structure based on remote sensing data 

      Gkikas, Antonis; Basart, Sara; Hatzianastassiou, Nikos; Marinou, Eleni; Amiridis, Vassilis; Kazadzis, Stelios; Pey, Jorge; Querol, Xavier; Jorba, Oriol; Gassó, Santiago; Baldasano, José M. (European Geosciences Union (EGU), 2016-07-15)
      Article
      Open Access
      The main aim of the present study is to describe the vertical structure of the intense Mediterranean dust outbreaks, based on the use of satellite and surface-based retrievals/measurements. Strong and extreme desert dust ...

    • 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
      Restricted access - publisher's policy
      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. ...

    • 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
      Open Access
      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 ...

    • Phosphate recovery from aqueous solution by K-zeolite synthesized from fly ash for subsequent valorisation as slow release fertilizer 

      Hermassi, Mehrez; Valderrama Ángel, César Alberto; Querol, Xavier; Harrouch Batis, Narjes; Cortina Pallás, José Luis (Elsevier, 2020-08-20)
      Article
      Open Access
      The sorption of phosphate by K-zeolites synthesized from fly ash (FA) by hydrothermal conversion is investigated in this study. The aim is the synthesis of Ca bearing K-zeolites to recover phosphate from urban and industrial ...

    • Procedural uncertainties of Proctor compaction tests applied on MSWI bottom ash 

      Izquierdo, Maria; Querol, Xavier; Vázquez Ramonich, Enric (Elsevier, 2011-02-28)
      Article
      Restricted access - publisher's policy
      MSWI bottom ash is a well-graded highly compactable material that can be used as a road material in unbound pavements. Achieving the compactness assumed in the design of the pavement is of primary concern to ensure long ...

    • Public transport strikes and their relationships with air pollution, mortality, and hospital admissions 

      Triguero-Mas, Margarita; Martinez Solanas, Èrica; Barrera Gómez, Jose Antonio; Agis Cherta, David; Perez Lozano, Noemi; Reche Andúgar, Cristina; Alastuey Urós, Andrés; Querol, Xavier; Pérez, Katherine; Basagaña Flores, Xavier (2020-02-28)
      Article
      Open Access
      There is limited suggestive evidence of relationships between public transport strikes and either increased air pollution or worse population health. In this study we aimed to assess whether public transport strikes were ...

    • Short-term effects of particulate matter on mortality during forest fires in Southern Europe: results of the MED-PARTICLES Project 

      Faustini, Annunziata; Alessandrini, Ester R.; Pey, Jorge; Perez Lozano, Noemi; Samoli, Evangelia; Querol, Xavier; Cadum, Ennio; Perrino, Cinzia; Ostro, Bart; Ranzi, Andrea; Sunyer, Jordi; Stafoggia, Massimo; Forastiere, Francesco; study group, MED-PARTICLES; Agis Cherta, David (2015-04-14)
      Article
      Open Access
      An association between occurrence of wildfires and mortality in the exposed population has been observed in several studies with controversial results for cause-specific mortality. In the Mediterranean area, forest fires ...

    • Spanish activities in the framework of the CHARMEX project since 2009: a summary 

      Sicard, Michaël; Pey, Jorge; Cerro, José Carlos; Lange, Diego; Caballero, Sandra; Tovar Sanchez, Antonio; Morales Baquero, Rafael; Comerón Tejero, Adolfo; Bujosa, Carles; Querol, Xavier; Artiñano, Begoña; Alados Arboledas, Lucas; Alastuey, Andres; Rocadenbosch Burillo, Francisco; Muñoz, Alvaro; Muñoz Porcar, Constantino; García Vízcaino, David; Bach, Jordi; Bush, Xavier (Universidade de Évora, 2013)
      Conference report
      Open Access
      The ChArMEx (Chemistry-Aerosol Mediterranean Experiment) project is a French initiative aiming at developing and coordinating regional research actions for a scientific assessment of the present and future state of the ...

    • Study of the correlation between columnar aerosol burden, suspended matter at ground and chemical components in a background European environment 

      Alastuey, A.; Gangoiti, G.; Estelles, Victor; Martínez Lozano, José Antonio; Pey, J.; Sicard, Michaël; Querol, Xavier; Esteve, A.R.; Utrillas, Maria Pilar; Sorribas, M.; Rocadenbosch Burillo, Francisco (2012)
      Article
      Open Access
      Although routinely monitored by ground based air quality networks, the particulate matter distribution could be eventually better described with remote sensing techniques. However, valid relationships between ground level ...

    • Synthesis of zeolites from coal fly ash: an overview 

      Querol, Xavier; Moreno, N.; Umaña, J.C.; Alastuey, A.; Hernández Chiva, Emilio; López-Soler, A.; Plana, F. (2002-05-02)
      Article
      Restricted access - publisher's policy
      Coal combustion by-products production in USA and EU is estimated in around 115 million tons per year. A large portion of this production is accounted for the coal fly ash (CFA). Cement and concrete manufacturing consumes ...

    • The DAURE field campaign: meteorological overview 

      Querol, Xavier; Revuelta, M. A.; Artiñano, B.; Jorba Casellas, Oriol; Pandolfi, M.; Spada, M.; Baldasano Recio, José María; Pey, J.; Alastuey, A.; Arnold, D.; Sicard, Michaël (2011-02-01)
      Article
      Open Access

    • The risks of acute exposure to black carbon in Southern Europe: results from the MED-PARTICLES project 

      Ostro, Bart; Tobias Garcés, Aurelio; Karanasiou, Angeliki; Samoli, Evangelia; Querol, Xavier; Rodopoulou, Sophia; Basagaña Flores, Xavier; Eleftheriadis, Kostas; Diapouli, Evangelia; Vratolis, Stergios; Jacquemin, Bénédicte; Katsouyanni, Klea; Sunyer, Jordi; Forastiere, Francesco; Stafoggia, Massimo; Study Group, MED-PARTICLES; Agis Cherta, David (2015-01-09)
      Article
      Open Access
      While several studies have reported associations of daily exposures to PM2.5 (particles less than 2.5 µm) with mortality, few studies have examined the impact of its constituents such as black carbon (BC), which is also a ...

    • 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
      Restricted access - publisher's policy
      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 ...