Essays about: "Nitrogen dioxide NO2"

Showing result 1 - 5 of 13 essays containing the words Nitrogen dioxide NO2.

  1. 1. Greenhouse gas emissions and carbon burial in a small pond

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Maria Carlson; [2023]
    Keywords : Pond; greenhouse gas; carbon dioxide; methane; nitrous oxide; flux; ebullition; carbon burial; Damm; växthusgas; koldioxid; metan; lustgas; flöde; ebullition; kolbindning;

    Abstract : There are a lot of uncertainties when it comes to global greenhouse gas (GHG) emissions which affects society’s ability to effectively respond to climate change. Small ponds have been found to potentially play a large role in global warming. READ MORE

  3. 2. Implementing spatial variance in the rate of photolytic breakdown of NO2 in urban street canyons

    University essay from Lunds universitet/Institutionen för energivetenskaper

    Author : Fabian Friberg; [2022]
    Keywords : cfd; computational fluid dynamics; NOx; street canyon; NO2; NO; O3; photolysis; OpenFOAM; Physics and Astronomy;

    Abstract : In this study a module for calculating the solar exposure of individual fluid cells was developed to more accurately represent the effect of photolysis on the pollutant dispersion in an urban street canyon. The module was tested and validated on 12 different cases, each with a different geographical location, time of year and/or time of day. READ MORE

  4. 3. Qualitative analysis of a regional public policy for air quality : A case study of Normandie, France

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Arthur Avenas; [2021]
    Keywords : Atmospheric pollution; Atmosphere Protection Plan; policy planning; legislation; incentive measures; best practices; reduction of emissions; regional scale; case study; Normandie;

    Abstract : Today, outdoor air quality occupies an important place into civic dialogue because of the many impacts of atmospheric pollution on health. Different legislations and strategies have thus been implemented across the world to improve outdoor air quality. READ MORE

  5. 4. The Impact of COVID-19 Restrictions on Air Quality- Based on Seven Cities in China

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Cheng Chen; [2021]
    Keywords : COVID-19; air quality; fixed effect model; regression discontinuity; Business and Economics;

    Abstract : Many researchers have studied the impact of the COVID-19 restrictions. However, in terms of the air quality impact, few studies have done so for specific cities. In this study, seven cities in China under the first stage of transmission prevention have been selected. The air quality standard indicators discussed are NO2 (Nitrogen dioxide), PM2. READ MORE

  6. 5. Quantifying nitrogen oxides and ammonia via frequency modulation in gas sensors

    University essay from Linköpings universitet/Statistik och maskininlärning

    Author : Marcos Freitas Mourao dos Santos; [2021]
    Keywords : Nitrogen oxides; nox; ammonia; sic-fet; PLSR; quantification;

    Abstract : The use of Silicon Carbide Field Effect Transistor (SiC-FET) sensors in cyclic operation is a proven way to quantify different gases. The standard workflow involves extracting shape-defining features such as averages and slopes of the sensor signal. READ MORE