Exploració per autor "Querol Carceller, Xavier"

Ara es mostren els items 1-20 de 21

    • A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions 

      Sokhi, Ranjeet S.; Singh, Vikas; Querol Carceller, Xavier; Finardi, Sandro; Targino, Admir Créso; Andrade, Maria de Fatima; Pavlovic, Radenko; Garland, Rebecca M.; Massagué Obradors, Jordi; Kong, Shaofei (Elsevier, 2021-12)
      Article
      Accés obert
      This global study, which has been coordinated by the World Meteorological Organization Global Atmospheric Watch (WMO/GAW) programme, aims to understand the behaviour of key air pollutant species during the COVID-19 pandemic ...

    • A new NMVOC speciated inventory for a reactivity-based approach to support ozone control strategies in Spain 

      Oliveira, Kevin de; Guevara Vilardell, Marc; Jorba Casellas, Oriol; Querol Carceller, Xavier; Pérez García-Pando, Carlos (Elsevier, 2023-04-01)
      Article
      Accés obert
      Ozone (O3) pollution is a persistent problem in many regions of Spain, so understanding O3 precursor emissions and trends is essential to design effective control strategies. We estimated the impact of Non-Methane Volatile ...

    • Actividades de estimación de emisiones especiadas de COVNM enfocadas al diseño de recomendaciones preliminares para la mitigación del ozono en España 

      Guevara Vilardell, Marc; Petetin, Hervé; Garatachea Solé, Roger; López Coronado, Franco Rodrigo; Oliveira, Kevin de; Enciso, Santiago; Jorba Casellas, Oriol; Pérez García-Pando, Carlos; Querol Carceller, Xavier (2022)
      Report de recerca
      Accés obert
      La contaminación por ozono (O3) es un problema persistente en muchas regiones de España, por lo que comprender las emisiones y tendencias de los precursores de O3 es fundamental para diseñar estrategias de control eficaces. ...

    • Actividades españolas en el marco del proyecto CHARMEX desde 2009: un resumen 

      Sicard, Michaël; Pey, Jorge; Cerro, José Carlos; Lange Vega, Diego; Caballero, Sandra; Tovar Sanchez, Antonio; Morales Baquero, Rafael; Comerón Tejero, Adolfo; Bujosa, Carles; Querol Carceller, Xavier; Artiñano, Begoña; Alados Arboledas, Lucas; Alastuey, Andres; Rocadenbosch Burillo, Francisco; Muñoz, Alvaro; Muñoz Porcar, Constantino; García Vizcaíno, David; Bach, Jordi; Bush, Xavier (2014)
      Text en actes de congrés
      Accés obert
      El proyecto ChArMEx (Chemistry-Aerosol Mediterranean Experiment) es una iniciativa francesa cuyo objetivo es desarrollar y coordinar las acciones de investigación regionales para una evaluación científica de la situación ...

    • Assessing ozone abatement scenarios in the framework of the Spanish ozone mitigation plan 

      Petetin, Hervé; Guevara Vilardell, Marc; Garatachea Solé, Roger; López Coronado, Franco Rodrigo; Oliveira, Kevin de; Enciso, Santiago; Jorba Casellas, Oriol; Querol Carceller, Xavier; Massagué Obradors, Jordi; Alastuey Urós, Andrés; Pérez García-Pando, Carlos (Elsevier, 2023-12-01)
      Article
      Accés obert
      Tropospheric ozone (O3) is a secondary air pollutant that affects human health, vegetation and climate, especially in Mediterranean countries such as Spain. In order to tackle this long-standing issue, the Spanish government ...

    • Climatological assessment of the vertically resolved optical and microphysical aerosol properties by lidar measurements, sun photometer, and in situ observations over 17 years at Universitat Politècnica de Catalunya (UPC) Barcelona 

      Lolli, Simone; Sicard, Michaël; Amato, Francesco; Comerón Tejero, Adolfo; Gil Díaz, Cristina; Landi, Tony C.; Muñoz Porcar, Constantino; Oliveira, Daniel Camilo Fortunato dos Santos; Dios Otín, Víctor Federico; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Alastuey Urós, Andrés; Querol Carceller, Xavier; Reche Andúgar, Cristina (European Geosciences Union (EGU), 2023-10-13)
      Article
      Accés obert
      Aerosols are one of the most important pollutants in the atmosphere and have been monitored for the past few decades by remote sensing and in situ observation platforms to assess the effectiveness of government-managed ...

    • Constructing transferable and interpretable machine learning models for black carbon concentrations 

      Fung, Pak Lun; Savadkoohi, Marjan; Zaidan, Martha Arbayani; Niemi, Jarkko V.; Timonen, Hilkka; Pandolfi, Marco; Alastuey, Andres; Querol Carceller, Xavier; Hussein, Tareq; Petaja, Tuukka (Elsevier, 2024-02-01)
      Article
      Accés obert
      Black carbon (BC) has received increasing attention from researchers due to its adverse health effects. However, in-situ BC measurements are often not included as a regulated variable in air quality monitoring networks. ...

    • Drivers of divergent trends in tropospheric ozone hotspots in Spain, 2008–2019 

      Massagué Obradors, Jordi; Escudero Tellechea, Miguel; Alastuey Urós, Andrés; Monfort Gimeno, Eliseo; Gangoiti Bengoa, Gotzon; Petetin, Hervé; Pérez García-Pando, Carlos; Querol Carceller, Xavier (Springer Netherlands, 2024)
      Article
      Accés obert
      This study aimed to investigate the causes of contrasting ozone (O3) trends in Spanish O3 hotspots between 2008 and 2019, as documented in recent studies. The analysis involved data on key O3 precursors, such as nitrogen ...

    • Fly ash as reactive sorbent for phosphate removal from treated waste water as a potential slow release fertilizer 

      Hermassi, Mehrez; Valderrama Ángel, César Alberto; Moreno Palmerola, Natalia; Font Piqueras, Oriol; Querol Carceller, Xavier; Batis, Narjes; Cortina Pallás, José Luís (2017-02-01)
      Article
      Accés obert
      There is interest in recovering phosphate (P(V)) from secondary sources, such as waste water streams for potential use as fertilizers reducing the environmental impacts of P(V) discharges and providing alternative phosphorus ...

    • Integration of powdered Ca-activated zeolites in a hybrid sorption-membrane ultrafiltration process for phosphate recovery 

      Hermassi, Mehrez; Valderrama Ángel, César Alberto; Gibert Agulló, Oriol; Moreno Palmerola, Natalia; Font Piqueras, Oriol; Querol Carceller, Xavier; Batis, Narjes; Cortina Pallás, José Luís (2016-05-04)
      Article
      Accés obert
      The feasibility of continuous phosphate recovery, by adsorption on powdered Ca-activated zeolite (PAZ), was assessed in a hybrid sorption membrane ultrafiltration (UF) system. The objective was to explore the influence of ...

    • 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 ...

    • Non-technological measures on road traffic to abate urban air pollution 

      Querol Carceller, Xavier; Amato, Fulvio; Robusté Antón, Francesc; Holman, Claire; Harrison, Roy M (Elsevier, 2018)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Non-Exhaust Emissions: An Urban Air Quality Problem for Public Health comprehensively summarizes the most recent research in the field, also giving guidance on research gaps and future needs to evaluate the health impact ...

    • Powdered Ca-activated zeolite for phosphate removal from treated waste-water 

      Hermassi, Mehrez; Valderrama Ángel, César Alberto; Moreno Palmerola, Natalia; Font Piqueras, Oriol; Querol Carceller, Xavier; Batis, Narjes; Cortina Pallás, José Luís (2016-01-01)
      Article
      Accés obert
      Background: A powdered zeolitic material synthesised from fly ash (FA) (NaP1-FA) and its calcium modified form (CaP1-NA) were studied as sorbent materials for the recovery of phosphate from treated waste-water effluents. ...

    • Recovery of ammonium by powder synthetic zeolites from wastewater effluents: optimization of the regeneration step 

      You Chen, Xialei; Valderrama Ángel, César Alberto; Querol Carceller, Xavier; Cortina Pallás, José Luís (2017-10-01)
      Article
      Accés obert
      Nitrogen recovery and valorization is gaining interest due to the current need for nitrogen removal, so it is of great interest that ammonium-selective sorbents be evaluated. In this study, a zeolitic material synthesized ...

    • Recovery of nutrients (N-P-K) from potassium-rich sludge anaerobic digestion side-streams by integration of a hybrid sorption-membrane ultrafiltration process: Use of powder reactive sorbents as nutrient carriers 

      Hermassi, Mehrez; Valderrama Ángel, César Alberto; Gibert Agulló, Oriol; Moreno Palmerola, Natàlia; Querol Carceller, Xavier; Harrouch Batis, Narjes; Cortina Pallás, José Luís (2017-05-05)
      Article
      Accés obert
      Here, an alternative nutrient (N-P-K) recovery route from potassium-rich sludge anaerobic digestion side-streams using powder reactive sorbents (PRSs) is presented. In the first step, the optimum PRS system was determined ...

    • Simultaneous ammonium and phosphate recovery and stabilization from urban sewage sludge anaerobic digestates using reactive sorbents 

      Hermassi, Mehrez; Dosta, Joan; Valderrama Ángel, César Alberto; Licon Bernal, Edxon Eduardo; Moreno Palmerola, Natàlia; Querol Carceller, Xavier; Batis, Narjes; Cortina Pallás, José Luís (Elsevier, 2018-07-15)
      Article
      Accés obert
      The use of low-cost inorganic sorbents as a new sustainable strategy to enhance the valorization of nutrients (N-P-K), from the urban water cycle (e.g., side streams from sewage sludge anaerobic digestion), in agriculture ...

    • Spatiotemporal evolution of a severe winter dust event in the western Mediterranean: Aerosol optical and physical properties 

      Titos, G.; Ealo, Marina; Pandolfi, Marco; Perez, N.; Sola Salvatierra, Yolanda; Sicard, Michaël; Comerón Tejero, Adolfo; Querol Carceller, Xavier; Alastuey, Andres (2017-05-16)
      Article
      Accés obert
      An outstanding Saharan dust event affected the Iberian Peninsula during winter 2016 (20 to 25 February). The impact of this event on ambient PM10 surface levels and its spatial and temporal evolution was investigated by ...

    • Testing the performance of sensors for ozone pollution monitoring in a citizen science approach 

      Ripoll Ruiz, Aleix; Viana, Mar; Padrosa, Marc; Querol Carceller, Xavier; Minutolo, Andrea; Hou, Kun Mean; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2019-02-15)
      Article
      Accés obert
      Tropospheric ozone (O3) is an environmental pollutant of growing concern, especially in suburban and rural areas where the density of air quality monitoring stations is not high. In this type of areas citizen science ...

    • Uncertainties in source allocation of carbonaceous aerosols in a Mediterranean region 

      Navarro Barboza, Héctor; Pandolfi, Marco; Guevara Vilardell, Marc; Enciso Morales, Santiago Adolfo; Tena Medina, Carles; Via González, Marta; Yús-Díez, Jesús; Reche Andúgar, Cristina; Perez Lozano, Noemi; Alastuey Urós, Andrés; Querol Carceller, Xavier; Jorba Casellas, Oriol (Elsevier, 2024-01)
      Article
      Accés obert
      Understanding the atmospheric processes involving carbonaceous aerosols (CAs) is crucial for assessing air pollution impacts on human health and climate. The sources and formation mechanisms of CAs are not well understood, ...

    • 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 ...