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Dissertations / Theses on the topic 'Greenhouse gas (CO2'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Al-Batty, Sirhan Ibrahim. "Utilization of CO2 to Mitigate Greenhouse Gas Effect." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271443724.

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2

Ozkilic, Ismet Oke. "Simulating Co2 Sequestration In A Depleted Gas Reservoir." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606639/index.pdf.

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Carbon dioxide is one of the greenhouse gases which have strong impacts on the environment and its amount in the atmosphere is far beyond to be ignored. Carbon dioxide levels are projected to be reduced by sequestering it directly to the underground. High amounts of carbon dioxide can be safely stored in underground media for very long time periods. Storage in depleted gas reservoirs provides an option for sequestering carbon dioxide. In 2002, production of Kuzey Marmara gas reservoir has been stopped due to gas storage plans. Carbon dioxide sequestration in Kuzey Marmara field has been con

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3

Amrouche, Hedi. "In silico design of metal organic frameworks for greenhouse gas capture." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/in-silico-design-of-metal-organic-frameworks-for-greenhouse-gas-capture(53acdbff-69ad-43fc-94a5-2c0e632994e0).html.

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The present thesis proposes to explore the potential of Zeolitic Imidazolate Framework ZIFs for CO2 capture applications in the conditions required by the Pressure Swing Adsorption separations process. Molecular modelling methods, combining Monte Carlo, Density Functional Theory and ab-initio simulations, were employed to mimic pure and mixture gas adsorption in ZIF materials. A transferable Force Field specifically developed for ZIFs materials is used to characterize a large variety of frameworks. Theses studies enable us to better understand the phenomena acting during adsorption process. Th

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4

Grundström, Gustav, and Isabelle Miedel. "Sustainable Investing : On the relation between sustainability rating and greenhouse gas emissions." Thesis, Umeå universitet, Företagsekonomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-185219.

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Sustainability and finance should go hand in hand. A financial system that supports sustainablegrowth is necessary for the transition to a carbon-free society. Environmental, Social andGovernance (ESG) is a sustainability performance measurement used worldwide. Previousresearch within the ESG area has mainly focused on ESG score and financial performance.Environmental performance gets more attention from investors, and the Nordic countries areall in the top five when it comes to sustainability ranking. This research examines the relationbetween sustainability ratings (E score and ESG score) in

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5

Cocco, Elisa. "N balance and greenhouse gas emissions (CO2, CH4, N2O) in soil with shallow groundwater." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3426179.

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The work here presented deals with the effects that N, applied with manure, and the water regimes had in a cropping maize system. The study want to evaluate the N leaching trough groundwater and the potential greenhouse gas emission affecting global warming. Two different water regimes were studied: soil in free drainage conditions with different irrigation levels and two shallow water table conditions. The study was conducted in the Experimental Farm of Padua University. Continuous maize was cropped in lysimeters fertilized with manure and urea according to the limit imposed by Nitrates Di

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6

Arar, Joseph I. "A model to evaluate CO2 emission reduction strategies in the US." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1186020342.

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7

Maucieri, Carmelo. "Greenhouse gas emissions from constructed wetlands and agronomic management of urban wastewater and digestate." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424646.

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The awareness of and interest in human activities environmental impact, in the framework of the ongoing climate change, has imposed the need to evaluate waste disposal in terms of greenhouse gases emission, in addition to the productive processes. Constructed wetlands (CW) are a low environmental impact technology to treat wastewater with little or no energy input, increasingly used as a natural-like treatment system that is applicable in urban and/or production contexts. CW systems reproduce the physical, chemical and biological self-purification process of the soil-plant-microorganism syste

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8

Keshavarz, Faraj Khah Nasser. "C02 quantification using seismic attributes in laboratory experiments." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/1329.

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Sequestration has been suggested as a solution for resolving the problem of increasing greenhouse gas emissions. CO2 is the major greenhouse gas which results from using fossil fuels for domestic and industrial purposes. Different geological targets have been suggested as reservoirs for CO2 sequestration with saline aquifers being the focus of this research. Monitoring and verification of injected CO2 into the ground is an essential part of CO2 sequestration because there is a strong requirement to understand and correctly manage the CO2 flow and movement within the reservoir over time. This i

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9

Harley, James Fraser. "From source to sea : spatial and temporal fluxes of the greenhouse gases N2O, CO2 and CH4 in the river Tay catchment." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/7527.

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River networks act as a link between components of the terrestrial landscape, such as soils and groundwater, with the atmosphere and oceans, and are now believed to contribute significantly to global budgets of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). The idea of rivers being an inert conduit for carbon and nitrogen to reach the coast has been challenged recently, with considerable processing of carbon and nitrogen occurring in both the water column and bed sediments in the various aquatic components that make up a river network, including lakes, streams, rivers and estuari

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10

Champagne, Scott. "Steam Enhanced Calcination for CO2 Capture with CaO." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30905.

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Carbon capture and storage technologies are necessary to start lowering greenhouse gas emissions while continuing to utilize existing thermal power generation infrastructure. Calcium looping is a promising technology based on cyclic calcination/carbonation reactions which utilizes limestone as a sorbent. Steam is present in combustion flue gas and in the calciner used for sorbent regeneration. The effect of steam during calcination on sorbent performance has not been extensively studied in the literature. Here, experiments were conducted using a thermogravimetric analyzer (TGA) and subsequentl

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11

Beijer, Martin, and Madeleine Skoglund. "Summer CO2 fluxes : A field study from three large lakes in Sweden." Thesis, Linköpings universitet, Tema Miljöförändring, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157304.

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Increasing levels of CO2 in the atmosphere is a contributing cause to climate change. To give a better understanding, natural sources of CO2 is as important as anthropogenic sources, such as burning fossil fuels. The current role of large boreal lakes as emitters of CO2 are poorly understood and there is a clear lack of data from different types of systems. The aim of this thesis was to examine CO2 fluxes from Roxen, Glan and Vättern, three large lakes in Sweden. The purpose of the study was also to compare different approaches to get empirical CO2 flux data, and to investigate if there was di

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12

Olausson, Henrik. "A tool for calculating CO2 emissions in the manufacturing industry : Use of GHG protocol." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-42650.

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With the Paris Agreement comes targets to reduce emissions and mitigate the temperature increase in the atmosphere. One way to move towards reaching these targets for companies is by using the greenhouse gas protocol reporting standard (GHG protocol). The goal of this study was to critically evaluate the strengths and weaknesses of the GHG protocol with the use of a case study, a calculation of Albany International AB’s emissions. Using the GHG protocol as a foundation the study show that Albany International AB emitted 10 673 CO2 equivalents 2019 and with recommended changes in energy acquisi

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13

Shrestha, Debendra. "CHARACTERIZING NITROGEN LOSS AND GREENHOUSE GAS FLUX ACROSS AN INTENSIFICATION GRADIENT IN DIVERSIFIED VEGETABLE SYSTEMS." UKnowledge, 2018. https://uknowledge.uky.edu/pss_etds/111.

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The area of vegetable production is growing rapidly world-wide, as are efforts to increase production on existing lands in these labor- and input-intensive systems. Yet information on nutrient losses, greenhouse gas emissions, and input efficiency is lacking. Sustainable intensification of these systems requires knowing how to optimize nutrient and water inputs to improve yields while minimizing negative environmental consequences. This work characterizes soil nitrogen (N) dynamics, nitrate (NO3¯) leaching, greenhouse gas emissions, and crop yield in five diversified vegetable systems spanning

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14

Lopez, Diego Ruben Schmeda. "Separação de CO2 em gases de combustão : aplicação de membranas e criogenia." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/24150.

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Este trabalho tem por objetivo avaliar a viabilidade técnica de processos de separação de gás carbônico em correntes de gases de combustão. Neste sentido, a separação por meio de membranas e por criogenia são avaliadas por meio de simulação de sistemas. As propostas envolvendo membranas avaliam arranjos de membranas em série, os quais são otimizados para condições de maior fluxo permeado e maior beneficio econômico. A corrente de alimentação é de 5 kmol/s e as respectivas frações molares de CO2 e N2 que compõem esta corrente são 0,15 e 0,85. Os resultados obtidos da otimização, para um arranjo

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15

Keshavarz, Faraj Khah Nasser. "C02 quantification using seismic attributes in laboratory experiments." Curtin University of Technology, Department of Exploration Geophysics, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=17244.

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Sequestration has been suggested as a solution for resolving the problem of increasing greenhouse gas emissions. CO2 is the major greenhouse gas which results from using fossil fuels for domestic and industrial purposes. Different geological targets have been suggested as reservoirs for CO2 sequestration with saline aquifers being the focus of this research. Monitoring and verification of injected CO2 into the ground is an essential part of CO2 sequestration because there is a strong requirement to understand and correctly manage the CO2 flow and movement within the reservoir over time. This i

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16

Flett, Matthew Alexander. "Subsurface re-injection of carbon dioxide for greenhouse gas control: influence of formation heterogeneity on reservoir performance." Thesis, Curtin University, 2008. http://hdl.handle.net/20.500.11937/1802.

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The injection of carbon dioxide (CO2) into saline formations for the purpose of limiting greenhouse gas emissions has been proposed as an alternative to the atmospheric venting of carbon dioxide. In the evaluation process for selecting a potential target saline formation for the disposal of carbon dioxide, flow characterisation of the disposed plume should be undertaken by reservoir simulation of the target formation. The movement of injected carbon dioxide in the saline formation is influenced by many factors including the physics of carbon dioxide at deep formation depths and pressure, physi

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17

Okwen, Roland Tenjoh. "Enhanced CO2 Storage in Confined Geologic Formations." Scholar Commons, 2009. http://scholarcommons.usf.edu/etd/3683.

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Many geoscientists endorse Carbon Capture and Storage (CCS) as a potential strategy for mitigating emissions of greenhouse gases. Deep saline aquifers have been reported to have larger CO 2 storage capacity than other formation types because of their availability worldwide and less competitive usage. This work proposes an analytical model for screening potential CO 2 storage sites and investigates injection strategies that can be employed to enhance CO 2 storage. The analytical model provides of estimates CO 2 storage efficiency, formation pressure profiles, and CO 2 –brine interface locatio

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18

Lander, Jasmine. "Cost-efficient approaches to measure carbon dioxide (CO2) under different environmental factors such as temperature and humidity using mini loggers." Thesis, Linköpings universitet, Institutionen för tema, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-165993.

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Fluxes of carbon dioxide (CO2), being a major greenhouse gas, are of great importance to understand and monitor. Findings have shown that while CO2 emissions enhanced by humans triggered the greenhouse gas effect, several significant CO2 fluxes in nature that are climate sensitive may still be poorly constrained, especially those from inland waters and its surrounding soils and sediments. This including different processes such as decomposers degrading organic material. At present, direct measurements of CO2 from soils, waters or CO2 concentrations in surface water, are typically labour intens

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19

Balian, Daniel. "Greenhouse gas Reduction in Infrastructure Projects : With a case study of California High-Speed Rail." Thesis, KTH, Miljöstrategisk analys (fms), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209487.

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Infrastructure projects are today major contributors to global warming. However, various strategies for reduction of greenhouse gas emission are available, as described in sustainability assessment schemes and performed in infrastructure projects. Beyond the choice of methodology, greenhouse gas reduction represents an important challenge, namely to engage involved actors. The establishment of a common sustainability policy, reflected in procurement requirements could be a solution. However, often in subject of complications such as misunderstandings or increased cost. Impres, a research proje

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20

Flett, Matthew Alexander. "Subsurface re-injection of carbon dioxide for greenhouse gas control: influence of formation heterogeneity on reservoir performance." Curtin University of Technology, Dept. of Petroleum Engineering, 2008. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18597.

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The injection of carbon dioxide (CO2) into saline formations for the purpose of limiting greenhouse gas emissions has been proposed as an alternative to the atmospheric venting of carbon dioxide. In the evaluation process for selecting a potential target saline formation for the disposal of carbon dioxide, flow characterisation of the disposed plume should be undertaken by reservoir simulation of the target formation. The movement of injected carbon dioxide in the saline formation is influenced by many factors including the physics of carbon dioxide at deep formation depths and pressure, physi

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21

Ensor, Breanne Leigh. "Spatial and Temporal Trends in Greenhouse Gas Fluxes from a Temperate Floodplain along a Stream-Riparian-Upland Gradient." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71424.

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Increased floodplain and wetland restoration activity has raised concerns about potential impacts on the release of greenhouse gases (GHGs) to the atmosphere due to restored connectivity between aquatic and terrestrial ecosystems. Research has shown GHG fluxes from hydrologically active landscapes such as floodplains and wetlands vary spatially and temporally in response to primary controls including soil moisture, soil temperature, and available nutrients. In this study, we performed a semimonthly sampling campaign measuring GHG (CO2, CH4, and N2O) fluxes from six locations within a third-ord

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22

Olde, Louise. "How do rates of carbon metabolism vary over a geological gradient, and how does this contribute to riverine greenhouse gas emissions?" Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/25933.

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Rivers and streams are increasingly recognised as important components in the global carbon cycle, and act as net sources of CO2 and CH4 to the atmosphere. However, the origins and controls over the fate of these greenhouse gases are still poorly constrained. This thesis firstly explores the production of CO2 and CH4 in the sediment of several rivers over a geological gradient (chalk, sand and clay), to investigate the magnitude and controls on production. It was found that, whilst there are some general patterns due to geology, variables such as organic carbon content are much better predicto

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23

Skantz, Henrik. "Does Cap-and-Trade Reduce Emissions? : Evaluating the Effect of the Regional Greenhouse Gas Initiative on CO2 emissions from the Electrical Power Sector." Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412173.

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24

Sousa, Alan Bernard Oliveira de. "Irrigação com água salina no desenvolvimento e produção da mini melancia em diferentes concentrações de CO2 atmosférico." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-14122015-172156/.

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O aumento contínuo das emissões de gases causadores do efeito estufa resulta em níveis elevados de aquecimento do planeta. Estes efeitos, relacionados à mudança do clima, representam impactos na saúde humana, na produção de alimentos, nos ecossistemas e no abastecimento hídrico. Com o abastecimento hídrico afetado, as águas de menor qualidade para fins de irrigação, tornam-se importantes fontes hídricas para produção de alimentos. Dessa forma, objetivou-se estudar a tolerância da mini melancia à salinidade, bem como a resposta da cultura ao incremento de CO2 atmosférico, sob irrigação salina e

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25

Rodjom, Abbey M. "Greenhouse Gas Fluxes of Soil in a Miscanthus x giganteus Crop Grown for Cellulosic Bioenergy on Abandoned Agricultural Land." Ohio University Honors Tutorial College / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1524837572902621.

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26

Godoi, José Maria Alves. "Uma contribuição do sistema energético do petróleo à mitigação das mudanças climáticas: recuperação secundária especial de óleo com estocagem geológica de CO2 no reservatório." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/106/106131/tde-01022016-231133/.

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Ante o intenso uso global dos combustíveis fósseis, com suas massivas emissões de gases de efeito estufa (GEE), hoje, a energia é o maior forçamento antropogênico das mudanças climáticas. Como parte desses combustíveis, o petróleo é a fonte de energia mais utilizada e o segundo maior emissor de GEE do mundo, ainda permanecendo de uso predominante no longo prazo. Visando à mitigação dessas mudanças do clima, desenvolvem-se no mundo três estratégias principais: eficiência energética; intensificação do uso das fontes renováveis; e a captura e estocagem geológica de carbono (CO2) carbon capture a

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Adjuik, Toby A. "Effects of Hydrochar, Digestate, Synthetic Fertilizer on Soil Greenhouse Gas Fluxes in Miscanthus x giganteus Grown as Advanced Biofuel Feedstock." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1557220009015982.

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28

Deshmukh, Chandrashekhar. "Greenhouse gas emissions (CH4, CO2 and N2O) from a newly flooded hydroelectric reservoir in subtropical South Asia : The case of Nam Theun 2 Reservoir, Lao PDR." Phd thesis, Université Paul Sabatier - Toulouse III, 2013. http://tel.archives-ouvertes.fr/tel-00862380.

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L'augmentation de l'intérêt concernant la part des réservoirs hydroélectrique dans l'augmentation de la concentration atmosphérique des Gaz à Effet de Serre (GES) a amené à mesurer les émissions nettes d'un réservoir hydroélectrique, Nam Theun 2 (NT2) dans la région subtropicale de la République Démocratique Populaire du Laos, Asie. Ce travail est la première évaluation de l'empreinte carbone des GES (c'est à dire : les émissions après ennoiement moins les émissions avant ennoiement) en relation avec la création d'un réservoir hydroélectrique. C'est le résultat d'une étude à grande échelle qui

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Canning, Anna [Verfasser], Arne [Akademischer Betreuer] Körtzinger, and Bernhard [Gutachter] Wehrli. "Greenhouse gas observations across the Land-Ocean Aquatic Continuum: Multi-sensor applications for CO2, CH4 and O2 measurements / Anna Canning ; Gutachter: Bernhard Wehrli ; Betreuer: Arne Körtzinger." Kiel : Universitätsbibliothek Kiel, 2020. http://d-nb.info/1211649261/34.

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Strefler, Jessica [Verfasser], Ottmar [Akademischer Betreuer] Edenhofer, Elmar [Akademischer Betreuer] Kriegler, Gunnar [Akademischer Betreuer] Luderer, and Robert [Akademischer Betreuer] Brecha. "Challenges for low stabilization of climate change : the complementarity of non-CO2 greenhouse gas and aerosol abatement to CO2 emission reductions / Jessica Strefler. Gutachter: Ottmar Edenhofer ; Robert Brecha. Betreuer: Ottmar Edenhofer ; Elmar Kriegler ; Gunnar Luderer." Berlin : Technische Universität Berlin, 2014. http://d-nb.info/1067387250/34.

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31

Filges, Annette [Verfasser], Wolfgang [Gutachter] Weigand, and Christoph [Gutachter] Gerbig. "The IAGOS-Core Greenhouse Gas package : a CO2, CH4, CO and H2O measurement system for deployment on board commercial airliners / Annette Filges ; Gutachter: Wolfgang Weigand, Christoph Gerbig." Jena : Friedrich-Schiller-Universität Jena, 2020. http://d-nb.info/1225298393/34.

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Zeng, Lei. "Clean development Mechanism (CDM) Policy and Implementation in China." Licentiate thesis, Västerås : Department of Public Technology, Mälardalen University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-163.

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Lopez-Ruiz, Hector G. "Environnement et mobilité 2050 : des scénarios sous contrainte du facteur 4 (-75% de CO2 en 2050)." Thesis, Lyon 2, 2009. http://www.theses.fr/2009LYO22015.

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Afin de limiter les impacts du changement climatique sur la planète, les experts du Groupe Intergouvernemental d’experts sur l’Evolution du Climat (GIEC) préconisent une division par deux des émissions mondiales de gaz à effet de serre à l’horizon 2050. Cet objectif impose une division par quatre (i.e. facteur 4) des émissions de gaz à effet de serre des pays industrialisés comme la France. Le secteur des transports peut-il se plier à cette exigence ?A l’aide du modèle TILT (Transport Issues in the Long Term), centré sur les relations macroéconomiques entre croissance économique, technologies,

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Marescaux, Audrey. "Carbon cycling across the human-impacted Seine River basin : from the modeling of carbon dioxide outgassing to the assessment of greenhouse gas emissions." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS479.

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Des études récentes ont souligné l’importance des émissions de dioxyde de carbone (CO2) par les eaux continentales, replaçant ainsi l’hydro-système comme compartiment actif du bilan carbone. Un premier objectif de cette thèse a été de comprendre et quantifier la dynamique du C aquatique le long du continuum aquatique de la Seine, empreint d’une très forte activité anthropique. Pour cela, un module de carbone inorganique (CI) a été développé au sein du modèle de fonctionnement biogéochimique des écosystèmes aquatiques, Riverstrahler, permettant de simuler les variations spatio-temporelles du C.

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Kavosh, Masoud. "Process engineering and development of post-combustion CO2 separation from fuels using limestone in CaO-looping cycle." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/7453.

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Global CO2 emissions produced by energy-related processes, mainly power plants, have increased rapidly in recent decades; and are widely accepted as the dominant contributor to the greenhouse gas (GHG) effect and consequent climate changes. Among countermeasures against the emissions, CO2 capture and storage (CCS) is receiving much attention. Capture of CO2 is the core step of CCS as it contributes around 75% of the overall cost, and may increase the production costs of electricity by over 50%. The reduction in capture costs is one of the most challenging issues in application of CCS to the en

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MACHADO, Cássia Bezerra. "Fluxos de CO2, água e energia no consórcio milho e pastagem no agreste meridional de Pernambuco." Universidade Federal Rural de Pernambuco, 2014. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6141.

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Submitted by (edna.saturno@ufrpe.br) on 2016-12-14T16:34:39Z No. of bitstreams: 1 Cassia Bezerra Machado.pdf: 2752807 bytes, checksum: 3c460d2f22ef6a6b581888068caeaf58 (MD5)<br>Made available in DSpace on 2016-12-14T16:34:39Z (GMT). No. of bitstreams: 1 Cassia Bezerra Machado.pdf: 2752807 bytes, checksum: 3c460d2f22ef6a6b581888068caeaf58 (MD5) Previous issue date: 2014-02-26<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>The increasing emissions of greenhouse gases (among them carbon dioxide, CO2) causes global warming and change the global climate. T

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Oliveira, Dener Márcio da Silva. "Matéria orgânica e fluxos de CO2 e CH4 em área minerada e fertilizada com cama de aviário e fosfato natural." Universidade Federal de Viçosa, 2013. http://locus.ufv.br/handle/123456789/5515.

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Made available in DSpace on 2015-03-26T13:53:30Z (GMT). No. of bitstreams: 1 texto completo.pdf: 2110342 bytes, checksum: 3f9be70774b9ec5bfde53b70b4f141ab (MD5) Previous issue date: 2013-05-29<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Mining is considered to be one activities which impacts heavily the soil, although it doesn t affect large land extensions. In particular, bauxite mining in trenches in Zona da Mata Mineira is characterized by vegetation removal, intense movement of topsoil and exposure of substrates difficult to be colonized by plants, therefore requiri

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Morais, Filho Luiz Fernando Favacho. "Variabilidade temporal da concentração atmosférica de CO2, fluorescência da clorofila induzida pelo sol e NDVI em áreas com diferentes usos agrícolas no centro-sul do brasil." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/157082.

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Submitted by Luiz Fernando Favacho Morais Filho (luiz.morais@unesp.br) on 2018-09-20T13:26:22Z No. of bitstreams: 1 Dissertação Fernando def.pdf: 826650 bytes, checksum: fab3320515ffbd38a313ef8487dd8d26 (MD5)<br>Rejected by Neli Silvia Pereira null (nelisps@fcav.unesp.br), reason: Solicitamos que realize correções na submissão segundo as orientações abaixo. Art. 1º Os trabalhos produzidos ou publicados, em qualquer mídia, que decorram de atividades financiadas, integral ou parcialmente, pela CAPES, deverão, obrigatoriamente, fazer referência ao apoio recebido. Art. 2º Para fins de identi

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Norman, Mathilda. "Klimatkalkyl för flerbostadshus : Klimatbelastande poster i tidigt skede." Thesis, Högskolan Dalarna, Byggteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:du-30454.

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Klimatförändringarna är ett faktum. Den förstärkta växthuseffekten hotar att förinta både djur och naturliv om inte åtgärder vidtas. I Parisavtalet fastslås att det centrala målet är att hålla den globala uppvärmningen under två grader men med en strävan att inte gå över en och en halv grad. För att göra det möjligt krävs åtgärder och metoder som säkerställer en minskning av växthusgaser i atmosfären. Klimatkalkyl är ett verktyg som kan användas för att se vad ett projekt har för totalt utsläpp, samt se till materialens enskilda utsläpp. Syftet med denna studie är att upprätta en klimatkalkyl

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Kreba, Sleem. "LAND USE IMPACT ON SOIL GAS AND SOIL WATER TRANSPORT PROPERTIES." UKnowledge, 2013. http://uknowledge.uky.edu/pss_etds/31.

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The consequences of land use choices on soil water and gas transport properties are significant for gas and water flux in agricultural environments. Spatial and temporal patterns and associations of soil water and soil gas characteristics and processes in different land uses are not well understood. The objectives of this study were to 1) characterize soil structure under crop and grass systems, 2) quantify spatial patterns and associations of soil physical characteristics in crop and grass systems, and 3) quantify spatial and temporal patterns and associations of CO2 and N2O fluxes. The resea

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Camioto, Flávia de Castro. "Consumo energético nos setores industriais brasileiros: uma avaliação de desempenho e estratégias para a redução da emissão de CO2." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/18/18157/tde-15102013-101454/.

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Em um período de mudanças climáticas e restrições a emissões cada vez maiores, é importante focar o desenvolvimento das nações na direção de uma economia de baixo carbono. O elevado consumo de combustíveis fósseis gera danos que atingem escalas globais, regionais e locais e põem em risco o suprimento de longo prazo no planeta. O presente trabalho tem como objetivo analisar o desempenho dos principais setores industriais brasileiros considerando seus respectivos consumos energéticos e contribuições para aspectos sociais e econômicos do país. Além disso, busca-se mensurar os benefícios ambientai

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Venet, Saphir. "Stockage du CO2 et séparation CO2/CH4 par des matériaux de silice à porosité et fonctionnalité contrôlées : étude expérimentale et modélisation de dynamique moléculaire." Thesis, Pau, 2018. http://www.theses.fr/2018PAUU3027/document.

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Ce travail vise à évaluer les performances de matériaux à base de silice et à rationaliser leur synthèse en fonction des propriétés d’adsorption recherchées (capacité et/ou sélectivité) en combinant des approches expérimentales et la modélisation de dynamique moléculaire. Ces matériaux devaient idéalement présenter une capacité d’adsorption CO2 mais également une sélectivité CO2 /CH4 élevées. Les différentes étapes de ce travail ont été :- la synthèse et la fonctionnalisation des matériaux de silice,- leur caractérisation texturale et chimique,- la détermination des capacités d’adsorption du C

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Akchiche, Meziane. "Analyse exergétique et Optimisation dynamique des systèmes de production d’hydrocarbures dans la perspective de réduire les émissions de CO2." Thesis, Pau, 2020. http://www.theses.fr/2020PAUU3031.

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Ce projet de recherche s’inscrit dans une démarche d’amélioration de l’efficacité énergétique et de la réduction des émissions de gaz à effet de serre des systèmes de production de pétrole et de gaz au sein du groupe Total.L’analyse exergétique a été développée et appliquée pour la première fois à la partie subsurface (réservoir-puits) et élargie pour l’ensemble du système de production de pétrole et de gaz, permettant de quantifier les différentes pertes et destructions d’exergie, l’exergie naturelle fournie par le réservoir et l’exergie générée artificiellement (activation), pour des exemple

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Paschoal, Anderson Oliveira de Ornelas. "Desenvolvimento e aplicação de um modelo para o Pollution Routing Problem." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3136/tde-26072016-144339/.

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O transporte rodoviário é uma das atividades econômicas do homem que mais contribuem para a emissão de Gases de Efeito Estufa (GEE) na atmosfera. Sabe-se que a emissão de CO2 está diretamente vinculada ao consumo de combustível. Por isso, é possível encontrar uma série de trabalhos que objetivam diminuir as emissões por meio da redução do consumo de combustível dos veículos. A otimização de rotas é uma importante ferramenta para essa redução e, consequentemente, possibilita minimizar as emissões dos veículos. Esta pesquisa tem como objetivo aplicar em uma empresa líder na distribuição de revis

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Murray, Cameron Keith. "New insights into rebound effects : theory and empirical evidence." Thesis, Queensland University of Technology, 2009. https://eprints.qut.edu.au/27655/1/Cameron_Murray_Thesis.pdf.

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The main objective of the thesis is to seek insights into the theory, and provide empirical evidence of rebound effects. Rebound effects reduce the environmental benefits of environmental policies and household behaviour changes. In particular, win-win demand side measures, in the form of energy efficiency and household consumption pattern changes, are seen as ways for households and businesses to save money and the environment. However, these savings have environmental impacts when spent, which are known as rebound effects. This is an area that has been widely neglected by policy makers.

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Murray, Cameron Keith. "New insights into rebound effects : theory and empirical evidence." Queensland University of Technology, 2009. http://eprints.qut.edu.au/27655/.

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The main objective of the thesis is to seek insights into the theory, and provide empirical evidence of rebound effects. Rebound effects reduce the environmental benefits of environmental policies and household behaviour changes. In particular, win-win demand side measures, in the form of energy efficiency and household consumption pattern changes, are seen as ways for households and businesses to save money and the environment. However, these savings have environmental impacts when spent, which are known as rebound effects. This is an area that has been widely neglected by policy makers.

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Hedbäck, Arvid. "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." Thesis, KTH, Transport och systemanalys, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298462.

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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. Firstly, four scenarios have been created for 2030, each of which state the number of gasoline cars, diesel cars, PHEVs and EVs in use on a municipality-level. Secondly, for each scenario, the movement of traffic has been modeled on a car-by-car basis using the Scaper/MATSim tra

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El, yazidi Abdelhadi. "Estimation des flux de CO2 et de CH4 en France en utilisant les concentrations atmosphériques du réseau ICOS et les techniques d'assimilation de données." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLV067/document.

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Depuis la révolution industrielle, les croissances économique et démographique ont augmenté de manière exponentielle induisant l’augmentation de la combustion d’énergies fossiles, telles que le charbon, le pétrole, et le gaz naturel. La combustion de ces sources d’énergie conduit à l’émission de gaz à effet de serre, principalement le dioxyde de carbone (CO2) et le méthane (CH4), qui par leur accumulation dans l’atmosphère entraînent une augmentation de l’effet de serre. Selon le GIEC (Groupe d'experts Intergouvernemental sur l'Évolution du Climat), l’implication des émissions anthropiques dan

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Eickenscheidt, Tim [Verfasser], Johannes [Akademischer Betreuer] Kollmann, Matthias [Akademischer Betreuer] Drösler, and Jürgen [Akademischer Betreuer] Augustin. "Assessment and modeling of greenhouse gas emissions (CO2, CH4, N2O) from different land-use types and management practices on drained fen peatlands and associated organic soils – case study Freisinger Moos / Tim Eickenscheidt. Betreuer: Johannes Kollmann. Gutachter: Matthias Drösler ; Johannes Kollmann ; Jürgen Augustin." München : Universitätsbibliothek der TU München, 2015. http://d-nb.info/1077605471/34.

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Pandeya, Hemant Raj. "Carbon and nitrogen flux dynamics in highly weathered tropical mango soils: Effect of leaf litter and nitrogen fertiliser." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/232828/1/Hemant%20Raj_Pandeya_Thesis.pdf.

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This thesis is a comparative study of carbon and nitrogen flux dynamics following sole and combined application of mango leaf litter mulch and inorganic fertiliser in highly weathered tropical mango orchard soils. In doing so, the thesis investigated litter decomposition dynamics and litter carbon mass balance and provided baseline datasets of seasonal and annual reactive nitrogen losses (through hydrological and gaseous pathways) under the tropical environmental conditions of Northern Territory Australia.

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