Exploració per tema "Aire--Contaminació"
Ara es mostren els items 1-19 de 19
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Análisis del impacto del comercio de derechos de emisiones en el sector marítimo en la Unión Europea
(Universitat Politècnica de Catalunya, 2023-11)
Treball Final de Grau
Accés obertLos contaminantes emitidos por los buques, principalmente los gases de efecto invernadero, están siendo un tema de especial preocupación. A medida que el comercio marítimo va creciendo, la cantidad de contaminantes que ... -
Análisis y evolución de las emisiones producidas por aeronaves
(Universitat Politècnica de Catalunya, 2020-07-16)
Treball Final de Grau
Accés obertEl present TFG consisteix en l’anàlisi i evolució de les emissions produïdes per aeronaus, començant amb una breu introducció als conceptes més bàsics que permetran entendre el desenvolupament del treball, on s’estudiarà ... -
Assessing the impact of local emission abatement measures on ozone levels in Catalonia
(Universitat Politècnica de Catalunya, 2023-10-19)
Projecte Final de Màster Oficial
Accés obertL’ozó troposfèric (O₃) és un contaminant atmosfèric secundari complex que afecta la salut humana, la biodiversitat, els cultius i les infraestructures. Es crea principalment per la interacció de la llum solar amb els òxids ... -
Atmospheric emissions in ports due to maritime traffic in Mexico
(MDPI, 2021-11)
Article
Accés obertAtmospheric emissions from vessels at 38 Pacific and Gulf-Caribbean Mexican ports were determined for nitrogen oxides, sulfur dioxide, particulates, carbon monoxide, non-methane volatile organic compounds, and carbon ... -
Avaluació de les zones de baixes emisssions: el cas de Lleida
(Universitat Politècnica de Catalunya, 2022-02-18)
Treball Final de Grau
Accés restringit per decisió de l'autorEste trabajo revisa de forma general el actual estado de las zonas de bajas emisiones en España, las diferentes propuestas a implantar y, de forma particular, la implantación de estas medidas en la ciudad de Lleida. El ... -
Changes in PM2.5 concentrations and their sources in the US from 1990 to 2010
(Copernicus Publications, 2021)
Article
Accés obertSignificant reductions in emissions of SO2, NOx, volatile organic compounds (VOCs), and primary particulate matter (PM) took place in the US from 1990 to 2010. We evaluate here our understanding of the links between these ... -
Comparison of different sampling methods for the determination of low-level radionuclides in air
(2016-03-01)
Article
Accés obertThe aim of this work is to check the consistency of results given by different air dust samplers (flow-rates between 2 and 700 m(3)/h) and measurement protocols at a single location. The study is focussed on (210)pb since ... -
Compositional spatio-temporal PM2.5 modelling in wildfires
(2021-10)
Article
Accés obertWildfires are natural ecological processes that generate high levels of fine particulate matter (PM2.5) that are dispersed into the atmosphere. PM2.5 could be a potential health problem due to its size. Having adequate ... -
Estudio del sistema de reducción de emisiones diesel particulate filter (DPF) y realización del ensayo específico de turismos de motor diesel
(Universitat Politècnica de Catalunya, 2007-06)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorLos vehículos a motor representan una de las principales fuentes de contaminación ambiental. En consecuencia la comunidad Económica Europea establece ley tras ley, valores de emisiones más reducidos. Este proyecto se centra ... -
Influence of synoptic meteorology on airborne allergenic pollen and spores in an urban environment in Northeastern Iberian Peninsula
(Elsevier, 2023-10-20)
Article
Accés obertThe influence of the most frequent patterns of synoptic circulation on the dynamics of airborne pollen/spores recorded at the Barcelona Aerobiological Station (BCN) was analysed. Six pollen types (Platanus, Cupressaceae, ... -
Modelling the impacts of emission changes on O3 sensitivity, atmospheric oxidation capacity, and pollution transport over the Catalonia region
(European Geosciences Union (EGU), 2023-09-28)
Article
Accés obertTropospheric ozone (O3) is an important surface pollutant in urban areas, and it has complex formation mechanisms that depend on the atmospheric chemistry and on meteorological factors. The severe reductions observed in ... -
Performance of European chemistry transport models as function of horizontal resolution
(Elsevier, 2015-07-01)
Article
Accés obertAir pollution causes adverse effects on human health as well as ecosystems and crop yield and also has an impact on climate change trough short-lived climate forcers. To design mitigation strategies for air pollution, 3D ... -
Plan de ruta para la descarbonización del espacio aéreo comercial de la ECAC hasta el año 2050.
(Universitat Politècnica de Catalunya, 2023-10-26)
Treball Final de Grau
Accés obertIn this thesis, resources and potential technologies aimed to reduce CO2 emissions caused by the commercial aviation sector are analyzed. With approximately 2.5% of the world¿s total emitted carbon dioxide and a significant ... -
Quantification of CH4 emissions from waste disposal sites near the city of Madrid using ground- and space-based observations of COCCON, TROPOMI and IASI
(European Geosciences Union (EGU), 2022-01-10)
Article
Accés obertThe objective of this study is to derive methane (CH4) emissions from three landfills, which are found to be the most significant CH4 sources in the metropolitan area of Madrid in Spain. We derive CH4 emissions from the ... -
Rain amplification of persistent organic pollutants
(2021-09-23)
Article
Accés obertScavenging of gas- and aerosol-phase organic pollutants by rain is an efficient wet deposition mechanism of organic pollutants. However, whereas snow has been identified as a key amplification mechanism of fugacities in ... -
Review of top-down method to determine atmospheric emissions in port. Case of study: port of Veracruz, Mexico
(MDPI, 2022-01)
Article
Accés obertIndicators of environmental policies in force in Mexico, fossil fuels will continue to be used in industrial sectors, especially marine fuels, such as marine diesel oil, in port systems for some time. Considering this, we ... -
Route optimization for non-stationary air pollution sensors in the City of Antwerp
(Universitat Politècnica de Catalunya, 2018)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Universiteit GentThis work has been undertaken during my stay at Ghent University as an exchange student. I chose the department of Information Technology (INTEC) to do this work because it gave me the opportunity to expand my knowledge ... -
Transporte marítimo : Objetivo emisiones cero
(Universitat Politècnica de Catalunya, 2022)
Projecte Final de Màster UPC
Accés restringit per política de l'editorialRESUMEN La primera parte del trabajo describe cual es el problema del cabio climático, que lo genera, y cuales son sus consecuencias. Cuantifica las emisiones que aporta el problema el sector del transporte marítimo y como ... -
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
(European Geosciences Union (EGU), 2023-12-22)
Article
Accés obertThe 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 ...