Essays about: "pm2.5"

Showing result 11 - 15 of 33 essays containing the word pm2.5.

  1. 11. Urbanization and economic freedom - are they threats to air quality? : Evidence from a panel study of low and lower-middle-income countries

    University essay from Uppsala universitet/Nationalekonomiska institutionen

    Author : Albin Lundmark; Emma Roxström; [2021]
    Keywords : PM2.5; urbanization; economic freedom; fixed effects; system GMM; panel data;

    Abstract : Air pollution (in terms of PM2.5) is severe in developing countries, and the rapid population growth accompanied by urbanization may limit their potential economic development. This paper aims to investigate if urbanization and economic freedom cause higher levels of PM2.5 in developing countries. READ MORE

  3. 12. The Impact of the COVID-19 Lockdown on the Urban Air Quality: A Machine Learning Approach.

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Srinivas Bobba; [2021]
    Keywords : Covid-19; air pollutants; Lockdown; AVOVA; Permutation Test; Machine Learning; feature importance.;

    Abstract : ‘‘SARS-CoV-2’’ which is responsible for the current pandemic of COVID-19 disease was first reported from Wuhan, China, on 31 December 2019. Since then, to prevent its propagation around the world, a set of rapid and strict countermeasures have been taken. READ MORE

  4. 13. The Potential of Electrification in reducing Emissions from Passenger Cars in Stockholm County by 2030 : A Modeling Study of the Potential of Plug-In Hybrids and All-Electric Cars in reducing Greenhouse Gas Emissions and Air Pollution

    University essay from KTH/Transport och systemanalys

    Author : Arvid Hedbäck; [2021]
    Keywords : electric cars; electrification; Stockholm; 2030; modeling; Scaper; HBEFA; CO2; air pollution; nitrogen oxides; NOx; hydrocarbons; HC; particulate matter; PM10; PM2.5;

    Abstract : This study examines the potential of electrification in reducing greenhouse gas emissions and air pollution from passenger cars in a short- to mid-term time perspective. Using Stockholm County as a case study, this has been done in a three-step process by modeling the relative change in emissions between 2019 and 2030. READ MORE

  5. 14. Addressing a large-scale implementation of low-emission zones in France

    University essay from KTH/Systemanalys och ekonomi

    Author : Mina Roncière; [2020]
    Keywords : low-emisson zone; air quality; air pollution; transport policy; urban typology;

    Abstract : Air pollution is a public health issue, and traffic is one of the main sources of pollutants such as NO2, PM10 and PM2.5. Consequently, European cities have been implementing low-emission zones (LEZs) by defining regulated areas, where the most-polluting vehicles are prohibited from driving. READ MORE

  6. 15. WRF-Chem vs machine learning approach to predict air quality in urban complex terrains: a comparative study

    University essay from Högskolan Dalarna/Mikrodataanalys

    Author : Andrey Kudryashov; [2020]
    Keywords : Machine learning; WRF-Chem; comparative study; air quality;

    Abstract : Air pollution is the main environmental health issues that affects all the regions and causes millions premature deaths every year. In order to take any preventive measures, we need the ability to predict pollution level and air quality. This task is conventionally solved using deterministic models. READ MORE