Essays about: "air pollution sweden"

Showing result 21 - 25 of 46 essays containing the words air pollution sweden.

  1. 21. Planetary boundary layer height measurements in a rural environment in southern Sweden - Relation to meteorological parameters and aerosol particle concentrations

    University essay from Lunds universitet/Kärnfysik; Lunds universitet/Fysiska institutionen

    Author : Ellen Carneheim; [2020]
    Keywords : Physics and Astronomy;

    Abstract : The aim of this project is to analyse planetary boundary layer height (BLH) measurements from the Hyltemossa research station and find their dependence on seasonality, time of day, and air temperature. Further, investigation was made into the correlation between mass concentration of particulate matter with equivalent diameter... READ MORE

  3. 22. Air Pollution in Gothenburg : Children's exposure to NO2 on a neighborhood level

    University essay from Umeå universitet/Institutionen för geografi

    Author : Maria Michalaki; [2020]
    Keywords : air pollution; children; age; NO2; neighborhood; Gothenburg; GIS; Excel;

    Abstract : Air pollution is a global problem and concern that affects every nation around the world.One of the chemical elements that is part of bad air quality is Nitrogen Dioxide (NO2). READ MORE

  4. 23. Public transport origin-destination matrices: pattern recognition and short-term prediction

    University essay from KTH/Numerisk analys, NA

    Author : Francesco Ferranti; [2020]
    Keywords : Statistics; machine learning; clustering; regression; OD matrices; Statistics; machine learning; clustering; regression; OD matrices;

    Abstract : Origin-Destination (OD) matrices are an essential tool in transport planning and management to model user travel patterns. An OD matrix is a picture of the public transport passengers demand in a specific temporal window The use of the metropolitan transportation system as an alternative to private cars enables a decrease of CO2 emissions, air pollution and traffic noise. READ MORE

  5. 24. Development of a GC Method for the Quantification of Short Chain Carboxylic Acids in Aqueous Solution

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Anton Åkervall; [2020]
    Keywords : DAI-GC-FID; Direct Aqueous Injection; Gas Chromatography; Flame Ionization Detector; SCFA; Short Chain Fatty Acids; Formic Acid; Acetic Acid; Lactic Acid; EGR; Exhaust Gas Recirculation; CAC; Charged Air Cooler; FFD; Fractional Factorial Design;

    Abstract : Petroleum powered vehicles emit volatile organic compounds (VOCs) through combustion that contributes to the pollution of the environment. A technique in the 1970s was developed to decrease these emissions, especially for nitrogen oxides (NOx) and sulphuric oxides (SOx) which is called exhaust gas recirculation (EGR). READ MORE

  6. 25. Low emission zones in Sweden – Evidence from Uppsala

    University essay from Göteborgs universitet/Graduate School

    Author : Herman Andersson; [2019-10-21]
    Keywords : ;

    Abstract : High pollution levels have been a problem in many cities in the world. The high pollution levels affect public health and create high social and economic costs. In Sweden alone, the estimated number of premature deaths associated with air pollution was equal to 7,600 in 2015. READ MORE