Log in

Relevant bibliographies by topics / Atmospheric nitrogen oxides / Dissertations / Theses

To see the other types of publications on this topic, follow the link: Atmospheric nitrogen oxides.

Dissertations / Theses on the topic 'Atmospheric nitrogen oxides'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 39 dissertations / theses for your research on the topic 'Atmospheric nitrogen oxides.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

Dorris, Kevin Scott. "A possible new source of nitrogen oxides : atmospheric electrical corona." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/25885.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Estupiñán, Edgar G. "Laboratory studies of potentially important atmospheric processes involving oxides of nitrogen." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/25877.

Full text

APA, Harvard, Vancouver, ISO, and other styles

3

Bauguitte, Stephaneane. "A study of tropospheric reactive nitrogen oxides in the North Atlantic region." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365133.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Currey, Pauline M. "Interactions between atmospheric nitrogen deposition and carbon dynamics in peatlands." Thesis, University of Aberdeen, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=165545.

Full text

Abstract:

Most undisturbed peatlands sequester carbon, and rising levels of atmospheric nitrogen deposition may have the potential to destabilize this function, possibly resulting in an increased release of carbon dioxide into the atmosphere. It is therefore of vital importance to investigate further the link between atmospheric nitrogen deposition and carbon dynamics in exposed ecosystems such as peatlands. The work described in this thesis aimed to elucidate the impact of increasing nitrogen on aspects of carbon turnover in peatlands. Using a long-term field-based experiment, I tested the effects of

APA, Harvard, Vancouver, ISO, and other styles

5

Freitag, Sabine. "Metabolic differentation in the lichen Cladonia portentosa from different wet nitrogen deposition regimes." Thesis, University of Aberdeen, 2010. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=165541.

Full text

Abstract:

The deposition of atmospheric nitrogen is now recognized as a major driver of biodiversity changes at mid to high latitudes. It has previously been shown that regional variations in wet nitrogen deposition in the British Isles are reflected in broad targeted chemical parameters in the common heathland lichen Cladonia portentosa. A more detail analysis of alterations in the metabolic pathways in Cladonia portentosa collected from different locations within the UK was undertaken by applying the environmental metabolomics approach. Fourier transform infrared spectroscopy (FTIR) and liquid chromat

APA, Harvard, Vancouver, ISO, and other styles

6

Prestbo, Eric Wallace. "Atmospheric chemistry and long-term measurements of peroxyacetyl nitrate and ozone at a remote location in northern New Mexico /." Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/8634.

Full text

APA, Harvard, Vancouver, ISO, and other styles

7

Wang, Tao. "Atmospheric reactive nitrogen oxides and their relationship with urban and rural ozone formation by Tao Wang." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/25633.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Al-Taani, Ahmed A. "Non-biological fixation of atmospheric nitrogen to nitrate on titanium dioxide and desert soil surfaces." abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3339090.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

Lee, S.-H. "Three-dimensional atmospheric modelling of emissions of nitrogen oxides from long-range civil subsonic aircraft at cruise altitude." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/11400.

Full text

Abstract:

Though nitrogen oxides (NOx ) emissions from aircraft make a relatively small contribution to the overall NOx emissions when compared to surface emissions, they constitute the only man-made pollutant at high altitude. Excessive NOx emissions might cause ozone depletion in the stratosphere and ozone increases in the troposphere, both topics of increasing environment concern in recent years. To tackle the problem of NOx emissions and their effects upon the environment, the spatial distribution of NOy (NOx + RN03) needs to be fully understood. The most significant source of NOx emissions is due t

APA, Harvard, Vancouver, ISO, and other styles

10

Lee, Shih-Ho. "Three-dimensional atmospheric modelling of emissions of nitrogen oxides from long-range civil subsonic aircraft at cruise altitude." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/11400.

Full text

Abstract:

Though nitrogen oxides (NOx ) emissions from aircraft make a relatively small contribution to the overall NOx emissions when compared to surface emissions, they constitute the only man-made pollutant at high altitude. Excessive NOx emissions might cause ozone depletion in the stratosphere and ozone increases in the troposphere, both topics of increasing environment concern in recent years. To tackle the problem of NOx emissions and their effects upon the environment, the spatial distribution of NOy (NOx + RN03) needs to be fully understood. The most significant source of NOx emissions is due t

APA, Harvard, Vancouver, ISO, and other styles

11

Ahmed, Sauda. "Modeling of Ultrafine Particle Emissions and Ambient Levels for the Near Roadside Environment." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3506.

Full text

Abstract:

Various epidemiological studies have linked exposure to Ultrafine Particles (UFP; diameter< 100 nm) to adverse health impacts. Roadway traffic is one of the major sources of UFPs and heavily influences UFP concentrations in the nearby vicinity of major roadways. Modeling efforts to predict UFPs have been limited due to the scarcity of reliable information on emissions, lack of monitoring data and limited understanding of complex processes affecting UFP concentrations near sources. In this study continuous measurement of ultrafine particle number concentrations (PNC) and mass concentrations of

APA, Harvard, Vancouver, ISO, and other styles

12

Moore, Tim Orland II. "Application of a Mobile Flux Lab for the Atmospheric Measurement of Emissions (FLAME)." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/29046.

Full text

Abstract:

According to the World Health Organization, urban air pollution is a high public health priority due its linkage to cardio-pulmonary disease and association with increased mortality and morbidity (1, 2). Additionally, air pollution impacts climate change, visibility, and ecosystem health. The development of effective strategies for improving air quality requires accurate estimates of air pollutant emissions. In response to the need for new approaches to measuring emissions, we have designed a mobile Flux Lab for the Atmospheric Measurement of Emissions (FLAME) that applies a proven, science-b

APA, Harvard, Vancouver, ISO, and other styles

13

Mainord, Jacinda L. "Investigation of Ambient Reactive Nitrogen Emissions Sources and Deposition in the Columbia River Gorge National Scenic Area." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3621.

Full text

Abstract:

Anthropogenic reactive nitrogen is emitted into the atmosphere from fossil fuel combustion (nitrogen oxides) and agricultural activities (nitrogen oxides and ammonia). Nitrogen oxide emissions have long been controlled for their role in ambient air pollution and human health effects. However, reactive nitrogen deposition is less understood even though it can play a significant role in altering biodiversity, impairing ecosystem and biogeochemical function and degrading cultural artifacts. Although nitrogen deposition is a natural part of biogeochemical cycling, many ecosystems across the United

APA, Harvard, Vancouver, ISO, and other styles

14

Kirby, Carolyn. "Measurement and distribution of nitrogen dioxide in urban environments." Thesis, Anglia Ruskin University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300346.

Full text

APA, Harvard, Vancouver, ISO, and other styles

15

Puente-Lelièvre, Céline. "La qualité de l’air en milieu aéroportuaire : étude sur l’aéroport Paris-Charles-De-Gaulle." Thesis, Paris Est, 2009. http://www.theses.fr/2009PEST0054/document.

Full text

Abstract:

Ce travail de thèse a porte sur l’évaluation de la qualité de l’air sur l’aéroport Paris-Charles- De-Gaulle. L’objectif était d’évaluer l’impact de l’activité aéroportuaire à l’échelle locale et régionale. Cette étude s’est centrée sur les observations à long terme des concentrations des oxydes d’azote (NOx), d’ozone (O3) et des hydrocarbures. Nous avons quantifié la contribution de l’activité aéroportuaire sur les concentrations des NOx observées sur les stations CDG-nord et CDG-sud. Les résultats ont montré que cette contribution était de 18% (12 μ g.m−3) sous un vent du sud et de 47% (25 μ

APA, Harvard, Vancouver, ISO, and other styles

16

Finch, Douglas Peter. "The impact of boreal biomass burning on North American air quality." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/29536.

Full text

Abstract:

Understanding the quality of the air we breathe is critical in quantifying the impact that atmospheric chemistry has on health. Poor air quality increases the risk of heart and lung diseases as well as having a detrimental effect on climate, ecology and the built environment. The burning of fossil fuels and plant matter (biomass burning) creates large quantities of gases and particulate matter that impact air quality and the air we breathe. Biomass burning is estimated to contribute 400 Tg of non-methane organic compounds, 40 Tg of methane and 7.1 Tg of nitrogen oxides to the atmosphere each y

APA, Harvard, Vancouver, ISO, and other styles

17

Fernandes, Ronabson Cardoso. "Concentrações dos óxidos nitrogenados NOx (NO+NO2) na região metropolitana de Maceió-AL, em função de parâmetros meteorológicos." Universidade Federal de Alagoas, 2010. http://repositorio.ufal.br/handle/riufal/888.

Full text

Abstract:

The objective of this study was analyze the concentrations of nitrogen oxides in the center of the metropolitan area in Maceió, Alagoas. The data were collected from chemical parameters using a NOx analyzer (NO + NO2) API Model 200 A using the chemiluminescence method, and to monitore the atmospheric conditions (physical parameters) was used a WeatherLink Pro2 weather station from Davis Instruments (USA), where its sensors were 2 meters in height above the ground. Monitoring for the parameters had an average interval of 10 minutes. Nitrogen oxides concentrations are shown sensitive to weather

APA, Harvard, Vancouver, ISO, and other styles

18

Coelho, Ilsa Maria Honório de Valois. "Estudo das concentrações de óxidos de nitrogênio em área urbana do município de Manaus por analisadores automáticos." Universidade Federal do Amazonas, 2012. http://tede.ufam.edu.br/handle/tede/4432.

Full text

Abstract:

Submitted by Lúcia Brandão (lucia.elaine@live.com) on 2015-07-15T17:30:28Z No. of bitstreams: 1 Tese - Ilsa Maria Honório de Valois Coelho.pdf: 2443935 bytes, checksum: c16d835d602a5d9906c0038a9cd0dd64 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-07-20T17:53:25Z (GMT) No. of bitstreams: 1 Tese - Ilsa Maria Honório de Valois Coelho.pdf: 2443935 bytes, checksum: c16d835d602a5d9906c0038a9cd0dd64 (MD5)<br>Approved for entry into archive by Divisão de Documentação/BC Biblioteca Central (ddbc@ufam.edu.br) on 2015-07-20T17:57:14Z

APA, Harvard, Vancouver, ISO, and other styles

19

McIntyre, Andrew D. "A study of NOâ†x monitoring using membrane amperometric gas sensors." Thesis, University of Strathclyde, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249766.

Full text

APA, Harvard, Vancouver, ISO, and other styles

20

Bird, Deborah Jane. "Experimental and modelling studies of nitrogen oxides of interest in the atmosphere." Thesis, University of York, 1995. http://etheses.whiterose.ac.uk/10856/.

Full text

APA, Harvard, Vancouver, ISO, and other styles

21

Rahn, Thomas A. "Enrichment of ¹⁵N and ¹⁸O in stratospheric nitrous oxide : observations, experimental results, and implications /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9907828.

Full text

APA, Harvard, Vancouver, ISO, and other styles

22

Savas, Dilek. "Inverse modeling of NOx emissions in urbanized areas of the Northern hemisphere : application of the CIF-CHIMERE inversion system to OMI and TROPOMI observations." Electronic Thesis or Diss., Université Paris Cité, 2023. http://www.theses.fr/2023UNIP7010.

Full text

Abstract:

Selon l'Organisation mondiale de la santé, l'exposition à la pollution de l'air ambiant serait à l'origine de 4,2 millions de décès prématurés par an dans le monde. Ce problème environnemental majeur est apparu au début du XXe siècle en raison de l'industrialisation et de l'urbanisation intenses des sociétés, obligeant les décideurs et les gouvernements à contrôler les émissions anthropiques de polluants atmosphériques. Depuis 1990, des initiatives importantes ont été prises dans les pays industrialisés, comme l'Europe, pour réduire les émissions de polluants en mettant en œuvre des stratégies

APA, Harvard, Vancouver, ISO, and other styles

23

Richard, Frédéric. "Etude et caracterisation d'une decharge electrique glissante dans l'air a pression atmospherique." Orléans, 1995. http://www.theses.fr/1995ORLE2061.

Full text

Abstract:

Les arcs glissants qui se deplacent dans un ecoulement de gaz entre deux electrodes profilees en forme de tuyere permettent d'obtenir a la pression atmospherique et aux pressions plus elevees des plasmas hors equilibre caracterises a la fois par de fortes densites electroniques (superieures a 10#1#4 cm#-#3) et des champs electriques eleves de l'ordre de 10#4 v/m. Ces dispositifs sont interessants et prometteurs pour de nombreuses applications industrielles dans le domaine de la plasma chimie (destruction des composes organiques volatils (cov), desulfuration des gaz et reduction de h#2s, valori

APA, Harvard, Vancouver, ISO, and other styles

24

Yonker, Justin David. "Contribution of the First Electronically Excited State of Molecular Nitrogen to Thermospheric Nitric Oxide." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/22039.

Full text

Abstract:

The chemical reaction of the first excited electronic state of molecular nitrogen, N2(A), with ground state atomic oxygen is an important contributor to thermospheric nitric oxide (NO). The importance is assessed by including this reaction in a one-dimensional photochemical model. The method is to scale the photoelectron impact ionization rate of molecular nitrogen by a Gaussian centered near 100 km.<br /><br />Large uncertainties remain in the temperature dependence and branching ratios of many reactions important to NO production and loss. Similarly large uncertainties are present in the s

APA, Harvard, Vancouver, ISO, and other styles

25

PRETTO, ANGELICA. "O Estudo do comportamento dos gases-traco Osub(3), NOx, CO, SOsub(2) e de COVs na atmosfera da cidade de Sao Paulo." reponame:Repositório Institucional do IPEN, 2005. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11221.

Full text

Abstract:

Made available in DSpace on 2014-10-09T12:49:38Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:02:17Z (GMT). No. of bitstreams: 1 10427.pdf: 11180152 bytes, checksum: f8294650781a8994bcbc91409d2cadb8 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Intituto de Pesquisas Energeticas e Nucleares, IPEN/CNEN-SP

APA, Harvard, Vancouver, ISO, and other styles

26

Fraigneau, Yann. "Etudes numériques de l'évolution diurne de l'ozone dans la région d'une agglomération." Rouen, 1996. http://www.theses.fr/1996ROUES063.

Full text

Abstract:

Des études de scénarios ont été réalisées par simulations numériques sur l'évolution diurne de l'ozone dans la région d'une agglomération. L'objectif de ce travail a consisté à mettre en évidence les tendances exercées par quelques-uns des nombreux facteurs susceptibles d'influencer l'évolution des champs de concentration d'ozone au cours d'une journée, au niveau des localités se trouvant directement sous le vent d'une zone urbaine. Plus particulièrement, les études se sont portées sur les répercussions engendrées sur l'ozone par les variations que peut subir la couche limite atmosphérique dan

APA, Harvard, Vancouver, ISO, and other styles

27

Van, Delden Lona Petra Rike. "Implications of urbanization related land use change on the Carbon and Nitrogen cycle from subtropical soils." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/109076/1/Lona_Van%20Delden_Thesis.pdf.

Full text

Abstract:

This research established the first non-CO2 Global Warming Potential for subtropical peri-urban environments from the N2O and CH4 soil-atmosphere gas exchange dynamics after land use change due to urbanization. Two years of high temporal gas flux measurements identified immediate, seasonal and inter-annual C and N flux changes after turf grass establishment compared to forest and pasture land use to highlight the impact of our growing cities on the environment. Despite turf grass establishment increases soil greenhouse gas emissions, which increases the Global Warming Potential, the subtropica

APA, Harvard, Vancouver, ISO, and other styles

28

Wiegand, Aaron Nathaniel. "Modelling photochemical production of fine particulates in a toluene/NOx/water vapour system." Thesis, Queensland University of Technology, 1999. https://eprints.qut.edu.au/36975/1/36975_Digitised%20Thesis.pdf.

Full text

Abstract:

This work investigates the computer modelling of the photochemical formation of smog products such as ozone and aerosol, in a system containing toluene, NOx and water vapour. In particular, the problem of modelling this process in the Commonwealth Scientific and Industrial Research Organization (CSIRO) smog chambers, which utilize outdoor exposure, is addressed. The primary requirement for such modelling is a knowledge of the photolytic rate coefficients. Photolytic rate coefficients of species other than N02 are often related to JNo2 (rate coefficient for the photolysis ofN02) by a simple f

APA, Harvard, Vancouver, ISO, and other styles

29

Hayden, Katherine L. "Partitioning of reactive atmospheric nitrogen oxides at a high elevation site in southern Quebec, Canada." 2001. http://wwwlib.umi.com/cr/yorku/fullcit?pMQ67748.

Full text

Abstract:

Thesis (M. Sc.)--York University, 2001. Graduate Programme in Chemistry.<br>Typescript. Includes bibliographical references (leaves 131-143). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pMQ67748.

APA, Harvard, Vancouver, ISO, and other styles

30

Ferguson, Kirsten Sheena. "The atmospheric nitrogen budget over the South African Highveld." Thesis, 2010. http://hdl.handle.net/10539/7677.

Full text

Abstract:

Molecular nitrogen is a highly abundant element in the atmosphere; it is stable and not very reactive. Anthropogenic activities have caused greater concentrations of nitrogen-containing compounds that are highly reactive and ultimately toxic. Reactive nitrogen concentrations have become a growing concern on the South African Highveld, with satellite images indicating very high nitrogen dioxide concentrations in the region. This study investigates the nitrogen budget on the Highveld through the analysis of the nitrogen species emitted into the atmosphere on a temporal scale as well as the atmos

APA, Harvard, Vancouver, ISO, and other styles

31

(10702320), Jianghanyang Li. "STABLE NITROGEN AND SULFUR ISOTOPES IN ATMOSPHERIC CHEMISTRY." Thesis, 2021.

Find full text

Abstract:

<p>SO<sub>2</sub> and NO<sub>x</sub> (NO+NO<sub>2</sub>) are important trace gases in the atmosphere as they adversely affect air quality and are precursors to sulfate and nitrate aerosols in the atmosphere. However, there are significant uncertainties in the emission inventories and the atmospheric chemistry processes of both gases. Addressing these uncertainties will help us to 1) better regulate their emissions from anthropogenic activities, 2) understand the formation mechanism of aerosol pollution events, during which rapid accumulation of nitrate and sulfate aerosols are commonly observe

APA, Harvard, Vancouver, ISO, and other styles

32

Ojumu, Adefolake Mayokun. "Transport of nitrogen oxides and nitric acid pollutants over South Africa and air pollution in Cape Town." Diss., 2013. http://hdl.handle.net/10500/11911.

Full text

Abstract:

The deteriorating air quality in Cape Town (CT) is a threat to the social and economic development of the city. Although previous studies have shown that most of the pollutants are emitted in the city, it is not clear how the transport of pollutants from neighbouring cities may contribute to the pollution. This thesis studies the transport of atmospheric nitrogen oxides (NOx) and nitric acid (HNO3) pollutants over South Africa and examines the role of pollutant transport from the Mpumalanga Highveld on pollution in CT. The study analysed observation data (2001 - 2008) from the CT air quality

APA, Harvard, Vancouver, ISO, and other styles

33

SUCHÁ, Jitka. "Porovnání vývoje atmosférické depozice dusíku a fosforu v různých oblastech ČR." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-174209.

Full text

Abstract:

This thesis engages a comparison of the development of atmospheric deposition of nitrogen and phosphorus in different regions of the Czech Republic. The work explains the formation of atmospheric deposition and related terms such as the source of pollution, emissions, air pollution and nitrogen oxides. There are stated types of atmospheric deposition, sampling procedure and the process of determining the size of atmospheric deposition. This work describes the methods that were used in the calculations and evaluations. It also deals with the selection of suitable measuring stations for processi

APA, Harvard, Vancouver, ISO, and other styles

34

BARTŮŠEK, Ondřej. "Vývoj znečištění ovzduší ve vybraném území." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-317771.

Full text

Abstract:

This thesis presents a comparison of the development of the concentrations of nitrogen oxides and sulfur dioxide in the air in the Usti region. The work described generally air pollution and related terms such as the sources of pollution emission, immission and atmospheric deposition. The study also evaluated pollution nitrogen oxides and sutur dioxide in the Usti region. This work describes the methods that were used in the calculations and evaluations. It also deals with the selecting appropriate measuring stations to handle the development of the concentrations of these substances in the ai

APA, Harvard, Vancouver, ISO, and other styles

35

"Denitrification and Greenhouse Gas Dynamics in Lakes Receiving Atmospheric Nitrogen Deposition." Doctoral diss., 2010. http://hdl.handle.net/2286/R.I.8606.

Full text

Abstract:

abstract: The global transport and deposition of anthropogenic nitrogen (N) to downwind ecosystems are significant and continue to increase. Indeed, atmospheric deposition can be a significant source of N to many watersheds, including those in remote, unpopulated areas. Bacterial denitrification in lake sediments may ameliorate the effects of N loading by converting nitrate (NO3-) to N2 gas. Denitrification also produces nitrous oxide (N2O), a potent greenhouse gas. The ecological effects of atmospheric N inputs in terrestrial ecosystems and the pelagic zone of lakes have been well documented;

APA, Harvard, Vancouver, ISO, and other styles

36

Geddes, Jeffrey. "Observations of Reactive Nitrogen Oxides: From Ground Level Ozone Production to Biosphere-atmosphere Exchange in Downwind Forest Environments." Thesis, 2013. http://hdl.handle.net/1807/35827.

Full text

Abstract:

In urban areas, emissions of nitrogen oxide radicals (NOx ≡ NO + NO2) to the atmosphere from anthropogenic activities such as fossil fuel combustion contribute to poor air quality through the production of ozone and particulate matter. Soils are also a significant global source of NOx, but at downind forest environments the deposition of transported reactive nitrogen can be much more important than local emissions. Data from a government monitoring network in the Toronto area from 2000-2007 was used to explore the impact of long-term trends in NO2 and other ozone precursors on local ozone lev

APA, Harvard, Vancouver, ISO, and other styles

37

Rummel, Udo [Verfasser]. "Turbulent exchange of ozone and nitrogen oxides between an Amazonian rain forest and the atmosphere / presented by Udo Rummel." 2006. http://d-nb.info/980930790/34.

Full text

APA, Harvard, Vancouver, ISO, and other styles

38

Brotto, Ariane Coelho. "Microbial Structure and Function of Engineered Biological Nitrogen Transformation Processes: Impacts of Aeration and Organic Carbon on Process Performance and Emissions of Nitrogenous Greenhouse Gas." Thesis, 2016. https://doi.org/10.7916/D8QR4X4M.

Full text

Abstract:

This doctoral research provides an advanced molecular approach for the investigation of microbial structure and function in response to operational conditions of biological nitrogen removal (BNR) processes, including those leading to direct production of a major greenhouse gas, nitrous oxide (N₂O). The wastewater treatment sector is estimated to account with 3% of total anthropogenic N₂O emissions. Nevertheless, the contribution from wastewater treatment plants (WWTPs) is considered underestimated due to several limitations on the estimation methodology approach suggested by the Intergovernmen

APA, Harvard, Vancouver, ISO, and other styles

39

Kou-Giesbrecht, Sian. "How do nitrogen-fixing trees influence the extent to which forests mitigate and exacerbate climate change?" Thesis, 2021. https://doi.org/10.7916/d8-b6gs-b567.

Full text

Abstract:

Nitrogen (N)-fixing trees can both mitigate climate change, by relieving N limitation of plant growth which promotes carbon dioxide (CO²) sequestration in plant biomass, and exacerbate climate change, by stimulating nitrification and denitrification which promotes nitrous oxide (N²O) emissions from soils. The balance between the negative radiative forcing (CO² sequestration in plant biomass) and positive radiative forcing (N²O emissions from soils) of N-fixing trees is unresolved. In this thesis I use a sequence of theoretical and empirical approaches to investigate the influence of N-fixing t

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!