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Dissertations / Theses on the topic 'Greenhouse effect'

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Published: 4 June 2021
Last updated: 30 July 2024

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1

Морозова, Ірина Анатоліївна, Ирина Анатольевна Морозова, Iryna Anatoliivna Morozova, and M. S. Naidenko. "Greenhouse Effect." Thesis, Видавництво СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/16015.

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Смоленніков, Денис Олегович, Денис Олегович Смоленников, Denys Olehovych Smolennikov, and Victoria Kubatko. "The greenhouse effect and global warming." Thesis, Видавництво СумДУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/7989.

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3

Schultz, Lisa. "Understanding the Greenhouse Effect Using a Computer Model." Fogler Library, University of Maine, 2009. http://www.library.umaine.edu/theses/pdf/SchultzL2009.pdf.

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4

Li, Chi-cheong Markus. "The trading of greenhouse gas." Click to view the E-thesis via HKUTO, 2000. http://sunzi.lib.hku.hk/hkuto/record/B42575485.

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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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6

Stickland, Trevor W. "The greenhouse effect: common misconceptions and effective instruction /." Click here to view, 2009. http://digitalcommons.calpoly.edu/physsp/3.

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Thesis (B.A.)--California Polytechnic State University, 2009.
Project advisor: John Keller. Title from PDF title page; viewed on Jan. 14, 2010. Includes bibliographical references. Also available on microfiche.
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7

Ferris, Rachel. "Growth and function of four chalk grassland herbs in elevated CO←2." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238918.

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8

Li, Chi-cheong Markus, and 李志昌. "The trading of greenhouse gas." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B42575485.

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9

Rotmans, Jan. "IMAGE an integrated model to assess the greenhouse effect /." [Maastricht : Maastricht : Rijksuniversiteit Limburg] ; University Library, Maastricht University [Host], 1990. http://arno.unimaas.nl/show.cgi?fid=5579.

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10

Holt, Christopher Paul. "Climate change and future water resources in Wales." Thesis, Aberystwyth University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320755.

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11

O'Donnell, Chris. "The response of Avena fatua to the enhanced greenhouse effect /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17124.pdf.

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12

Dürr, Bruno. "The greenhouse effect in the alps - by models and observations /." [Zürich], 2004. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=15668.

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13

Marty, Christoph. "Surface radiation, cloud forcing and greenhouse effect in the Alps /." Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13609.

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14

Valdez, Aguilar Luis Alonso. "Effect of alkalinity in irrigation water on selected greenhouse crops." Texas A&M University, 2004. http://hdl.handle.net/1969.1/2773.

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Effect of Alkalinity in Irrigation Water on Selected Greenhouse Crops. (August 2004) Luis Alonso Valdez Aguilar, B.S., Universidad Aut??noma de Nuevo Le??n, Mexico; M.S., Universidad Aut??noma Chapingo, Mexico Chair of Advisory Committee: Dr. David Wm. Reed Bicarbonate (HCO3-) and carbonate (CO32-) are the most important ions that determine alkalinity. When the carbonates accumulate in a growing medium, the growing medium solution pH reaches levels that cause plant growth inhibition, which is caused primarily by the transformation of soluble forms of Fe into insoluble forms. The general objective of this research was to provide information about the limits of tolerance to alkalinity in ornamental plants, and to study the interaction of ions such as ammonium (NH4+) and nitrate (NO3-) on the response of plants to alkalinity, as well as the effect of the counter-ions potassium (K+), sodium (Na+), cesium (Cs+), ammonium (NH4+) and rubidium (Rb+). The maximum SPAD index was estimated to occur at 0 mM of NaHCO3 in chrysanthemum, mini-rose, and hibiscus ??Bimini Breeze?? and ??Mango Breeze??. For vinca it was set at 2.64 mM. A 15% decrease from the maximum SPAD index was considered the threshold to declare the toxic concentration of NaHCO3, which was calculated based on the maximum SPAD index predicted by the models. The toxic concentration of NaHCO3 was set at 4.1, 1.1, 6.7, 3.1, and 6.3 mM of NaHCO3 in chrysanthemum, mini-rose, vinca, and hibiscus ??Mango Breeze?? and ??Bimini Breeze??, respectively. Hibiscus ??Bimini Breeze?? was considered tolerant to alkalinity, due to increased Fe-reduction capacity and acidification of the growing medium. In the hydroponic experiment, results showed that the NH4+:NO3- ratio altered the response of sunflower plants to alkalinity. Sunflower plants grew better in solutions containing 5 mM NaHCO3 prepared with a 0.25:0.75 NH4+:NO3- ratio. This was possible due to the reaction of NH4+ with the HCO3-, which reduced its buffering capacity. The response to HCO3--induced alkalinity was modified by the counter-cation of HCO3-. In bean plants, at low-to-intermediate levels of Na+ and HCO3- induced approximately same growth decrease. At high concentration, Na+ induced a decrease on shoot growth that exceeded the toxic effects of HCO3-. Thus, the toxic effect of Na+ is higher than that of HCO3- when its concentration is high. Rubidium was extremely toxic at concentrations of 7.5 mM.
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15

McKee, Ian Fraser. "Plant physiological and growth responses to elevated concentrations of atmospheric CO←2." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241094.

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16

Thompson, Guy Bradshaw. "The influence of CO←2 enrichment on the growth, nitrogen concentration and mildew infection of cereals." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241217.

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17

Parkinson, Stuart D. "The application of stochastic modelling techniques to global climate change." Thesis, Lancaster University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240453.

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Goodess, Clare. "The construction of daily rainfall scenarios for Mediterranean sites using a circulation-type approach to downscaling." Thesis, University of East Anglia, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327208.

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Ringer, Mark Adam. "Interannual variability of the earth's radiation budget and cloudiness : a satellite view." Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319652.

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Rochefort, Line. "Atmospheric CO←2 and environmental determinants of plant growth : a model with Sinapis alba L." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240047.

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Kennedy, Jane. "Factors affecting the retention of dissolved organic carbon in upland soils." Thesis, University of Aberdeen, 1997. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU100041.

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The aim of this thesis was to investigate soil and environmental factors which influence the adsorption of DOC in upland, moorland soils. In Chapter 1 climate change, the greenhouse effect and the global carbon cycle are discussed briefly. A more detailed discussion of carbon cycling in the plant-soil-water system focuses on DOC retention in podzols and the review concludes with a summary of the aims of this thesis. A peaty podzol has greater potential to retain DOC than the other major soil types within the Glen Dye catchment, N.E. Scotland. Retention of DOC by physico-chemical surface interactions occurred in the mineral horizons of the soil where locally high concentrations of amorphous Fe and Al were present. Laboratory experiments using potassium hydrogen phthalate as a source of DOC showed that DOC retention is favoured by longer contact times between soil and solution. Net retention of DOC in the podzol profile is decreased by increasing the solution pH and by repeated wetting/drying and freezing/thawing cycles. As temperature and reaction time increased, respiration becomes more important as a mechanism for depleting solution phthalate DOC concentrations. Annual fluxes of DOC in precipitation, podzolic O, E and Bs soil horizon solution and stream water were estimated for the Burn of Waterhead catchment to be 35, 121, 83, 37 and 48 kg C ha-1yr-1 respectively. The DOC fluxes and the concentrations of related elements varied seasonally, with the largest DOC fluxes produced in the autumn and lowest in the summer. The annual DOC flux from the Burn of Waterhead was lower than fluxes from other catchments at Glen Dye. Results from the field site supported laboratory experimental results which suggested that climate change will result in an increase in the DOC flux from results which suggested that climate change will result in an increase in the DOC flux from peaty podzolic soil.
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Chadwick, David R. "The effect of climate on decomposition in forest ecosystems." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282376.

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23

Allan, Richard Philip. "Modelling the variability of the earth's radiation budget." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267431.

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Опанасюк, Юлія Анатоліївна, Юлия Анатольевна Опанасюк, Yuliia Anatoliivna Opanasiuk, and М. С. Найденко. "Парниковий ефект як глобальна проблема людства." Thesis, Видавництво СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/18906.

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Pipatti, Riitta. "Emission estimtes for some acidifying and greenhouse gases and options for their control in Finland /." Espoo : Technical Research Centre of Finland, 1998. http://www.vtt.fi/inf/pdf/publications/1998/P340.pdf.

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Kelly, Geoffrey. "National policy choices for an international problem case studies in greenhouse policy /." Access electronically, 2008. http://ro.uow.edu.au/theses/86.

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Webb, Leanne Beryl. "The impact of projected greenhouse gas-induced climate change on the Australian wine industry /." Connect to thesis, 2006. http://eprints.unimelb.edu.au/archive/00003030.

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28

Alden, David M. "The greenhouse effect, trade liberalization and agricultural commodity markets : modelling the economic impacts." Thesis, Keele University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305801.

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29

King, David R. "The Greenhouse Effect| A Model for Equipping Global Disciples in the International Church." Thesis, Nyack College, Alliance Theological Seminary, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10822268.

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The purpose of writing The Greenhouse Effect: A Model for Equipping Global Disciples in the International Church is to propose a model for values-based thinking that can serve as both frame and filter for present and future ministry in the IC. It is intended as a frame for giving leaders a way to think and a filter by which to say “yes” and equally a way to say “no” to the never-ending parade of people and ideas which can only be sustained as long as the one proposing the idea is onsite.

The simple fourfold value-based greenhouse model offers simplicity in vision and practice that does not burn out pastors and lay leaders; accessibility for all to eternal values that build the church everywhere; sustainability that helps that church to run itself and finally duplicability in the contexts where God is constantly redirecting expats and, joining God in this work, to which the IC joyfully sends them.

Chapter 1 introduces the international church institution and challenges.

Chapter 2 provides literature support for the greenhouse contents.

Chapter 3 unpacks theological considerations for the greenhouse model.

Chapter 4 explains the meaning and use of the greenhouse model.

Chapter 5 elucidates the content of the greenhouse for intended results and provides sample ideas for implementation.

Chapter 6 presents the development and analysis method of a survey model.

Chapter 7 interprets and integrates the data from the survey. Chapter 8 offers concluding thoughts for further study and ministry.

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Baiardi, Martina. "Reduction of greenhouse gas emissions in the pharmaceutical industry." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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This paper is focused on the greenhouse gas emissions in the pharmaceutical sector. The case study reported is that of Chiesi Farmaceutici S.p.A., a pharmaceutical company based in Parma. Sustainability has always been a primary concern in the way Chiesi operates. Fully aware of the climate emergency that the planet Earth is tackling, Chiesi has set itself a challenge and announces its commitment to becoming carbon neutral by the end 2035, reducing its greenhouse gas emissions and offsetting emissions that are no further reducible to achieve a net zero carbon footprint. There are several existing initiatives to achieve the Carbon Neutrality. The most important initiatives are the transition to a new propellant, that has a much smaller GWP than that of the actual propellant, and the installation of an abatement system to lower the emissions during the manufacturing phase of spray products. These initiatives are used to present reduction targets to the Science Based Target initiative. Science-based targets provide a clearly defined pathway for companies to reduce greenhouse gas (GHG) emissions, helping prevent the worst impacts of climate change and future-proof business growth. Targets are considered ‘science-based’ if they are in line with what the latest climate science deems necessary to meet the goals of the Paris Agreement, limiting global warming to well-below 2°C above pre-industrial levels and pursuing efforts to limit warming to 1.5°C. Chiesi is investing a lot of time and money to set its reduction targets in line with the Paris Agreement, but the present study demonstrates that the there are several important benefits. This is a clear evidence that suggests that financial and environmental performances are far from being exclusive and this is the road to follow both for the public and the private sectors.
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Nettleton, Stuart John. "Benchmarking climate change strategies under constrained resource usage /." Electronic version, 2009. http://utsescholarship.lib.uts.edu.au/iresearch/scholarly-works/handle/2100/1012.

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32

Breuss, Fritz, and Karl Steininger. "Reducing the greenhouse effect in Austria. A general equilibrium evaluation of CO2-policy-options." Forschungsinstitut für Europafragen, WU Vienna University of Economics and Business, 1995. http://epub.wu.ac.at/262/1/document.pdf.

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The model presented in this paper allows realistic simulations for CO2 policy options for Austria. It is based on a static perfect competition CGE model, calibrated for 1990 Austrian data. Special attention has been given to the implementation of the link of economic and energy data. As a new feature the negative consequences of the CO2 taxation as far as competitiveness in a small open economy is concerned are tried to be mitigated by compensation via wage tax rebates. This is achieved by a sectorally differentiated compensation scheme. As a result competitiveness in the energy intensive sectors can be established by a differentiation in the reduction of wage taxes ranging from 1 percent to 30 percent. Differentiation, as compared to uniform compensation and inspite of maintaining full re-funding of emission revenues, also triggers a positive government revenue effect. Aggregated output losses due to CO2 policy can be mitigated or also overcompensated by stimulating investment in new capital vintages. Such effects have been demonstrated in this paper. As we used a single country model we were not able to simulate effects of coordinated CO2 policy actions, e.g. in line with suggestions of the European Union. (excerpt)
Series: EI Working Papers / Europainstitut
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33

Kurup, Premnadh M. "Secondary students beliefs about, understandings of, and intentions to act regarding the greenhouse effect." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2003. https://ro.ecu.edu.au/theses/1324.

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The greenhouse effect (GHE) is a concern to everyone on this planet. To understand the GHE, students and citizens need an understanding of the chemical processes underlying this environmental phenomenon. Citizens need to be scientifically literate in relation to this phenomenon in order to participate in democratic decision-making and to take appropriate actions in their daily lives. As the GHE is a global issue it will require collective and individual actions to prepare for the likely climatic changes and to reduce the further impact of the GHE. This study focused on high school students' beliefs about, understandings of the GHE and their intentions to act in ways that would reduce greenhouse gas emissions. Aspects of the GHE that are taught in high school science were also investigated. The study was conducted in five schools each in Western Australia (Australia) and Kerala (India) and data were collected from 438 Year 10 and 12 students representing compulsory and post-compulsory stages of education in both states. Two hundred and thirteen students from Western Australia and 225 students from Kerala completed a questionnaire and a sample of students and heads of science were interviewed. A Propositional Knowledge Statement (PKS) was developed, which is a set of propositions that outline science concepts necessary for an understanding of the GHE in terms of its causes, effects, mechanism and actions that can be taken to reduce greenhouse gas emission. In this study the PKS is considered to be the essential knowledge necessary to interpret the GHE, to take appropriate environmental action, and to make informed decisions as a scientifically literate member of society. The questionnaire and interviews were based on the PKS. The study revealed that high school students strongly believe that the GHE is real and affecting the climate at present and will also affect it in the future. They consider that the GHE is a relatively important social issue and they believe that governments should conduct programmes to raise community awareness and enact strict laws to reduce the release of greenhouse gases. Students' understanding of the GHE is inadequate to make informed decisions and take appropriate environmental actions as a scientifically literate member of society. The majority of students and their families are already taking or are considering taking 10 accepted actions to reduce greenhouse gas emissions by household activities. The majority of students are not prepared to sacrifice their personal comforts or conveniences to reduce greenhouse gas emissions and they have strong reasons for that, however, they believe that governments should enact strict laws to reduce greenhouse gas emissions and should sign the Kyoto protocol. The GHE is not adequately represented in Western Australian and Kerala science and chemistry curricula. The heads of school science departments in Western Australia and Kerala consider that school science should do more to teach the GHE, as it is an important aspect of scientific literacy. An ideal scenario for students’ beliefs about, understanding of the GHE and commitments to take action that would enable individuals and communities to reduce greenhouse gas emission was developed based on the PKS and reports such as lPCC (2001), UNEP (2001), AGO (1999; 2000) and UN (1992). The actual scenario was based on the data from this study. The differences between ideal and actual scenarios were discussed and implications for improving education about the OHE were developed. Information about the curriculum and students' sources of information about the GHE, students' beliefs, understandings and intentions to act were mapped against the theory of reasoned action (Ajzen & Fishbein, 1980).
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Manning, Gregory A. "An apparatus to investigate photon induced gaseous reactions using Fourier transform infrared spectroscopy /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974659.

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35

Anouti, Abdel Rahman Jamil. "THE INFLUENCE OF WAVELENGTH SELECTIVE GREENHOUSE FILMS ON ENERGY CONSUMPTION AND PRODUCTION OF FLORICULTURAL CROPS." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275442.

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36

Sarofim, Marcus C., Chris Eliot Forest, David M. Reiner, and John M. Reilly. "Stabilization and Global Climate Policy." MIT Joint Program on the Science and Policy of Global Change, 2004. http://hdl.handle.net/1721.1/5423.

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Academic and political debates over long-run climate policy often invoke “stabilization” of atmospheric concentrations of greenhouse gases (GHGs), but only rarely are non-CO2 greenhouse gases addressed explicitly. Even though the majority of short-term climate policies propose trading between gases on a global warming potential (GWP) basis, discussions of whether CO2 concentrations should be 450, 550, 650, or perhaps as much as 750 ppm leave unstated whether there should be no additional forcing from other GHGs beyond current levels or whether separate concentration targets should be established for each GHG. Here we use an integrated modeling framework to examine multi-gas stabilization in terms of temperature, economic costs, carbon uptake, and other important consequences. We show that there are significant differences in both costs and climate impacts between different "GWP equivalent" policies and demonstrate the importance of non-CO2 GHG reduction on timescales of up to several centuries.
Abstract in HTML and technical report in PDF available on the Massachusetts Institute of Technology Joint Program on the Science and Policy of Global Change website (http://mit.edu/globalchange/www/).
Sarofim was supported in part by a Martin Sustainability Fellowship
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Assunção, Marcelo Henrique Correa [UNESP]. "Emissões de gases do efeito estufa em sistemas multitróficos de aquicultura." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/150932.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
O objetivo deste estudo foi investigar o fluxo de gases do efeito estufa (GEE) em viveiros de criação de organismos aquáticos. Nós testamos se o uso de sistemas multitróficos e multiespaciais (IMTA), povoados com lambari-do-rabo-amarelo (Astyanax lacustris) e camarão-da-amazônia (Macrobrachium amazonicum) numa região tropical, altera o fluxo de gases do efeito estufa em comparação com um sistema de monocultivo de A. lacustris. Nós desenvolvemos um experimento em viveiros de fundo natural com três tratamentos e quatro réplicas: monocultivo (Tetra), IMTA livre (Free IMTA) e IMTA tanque rede (Cage IMTA). O experimento durou 68 dias, entre os meses de novembro e janeiro de 2016. Nós mensuramos os fluxos de dióxido de carbono (CO2), metano (CH4) e óxido nitroso (N2O) por meio das metodologias difusiva e dissolvida. A média dos fluxos na metodologia difusiva foi de -8.93 mg.m-2.h-1 para o CO2, -0.88 mg.m-2.h-1 para o CH4 e 1.78 mg.m-2.h-1 para o N2O. A concentração de CO2 variou de 0.0481 a 0.6668 mg.L-1, CH4 de 0.0003 a 0.0053 mg.L-1 e N2O de 0.0789 a 0.1177 mg.L-1. Nossos resultados indicam variação ao longo do tempo, com maior fluxo de GEE no início do experimento, diminuição ao longo do período de cultivo e tendência de neutralidade com relação a emissão de GEE no final do período experimental.
CNPq: 147409/2013-6
CNPq: 473199/2011-4
CNPq: 306361/2014-0
FAPESP: 2012/18593-5
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Denari, Gabriela Bueno. "Relação entre complexidade e história da ciência : contribuições a partir do tema efeito estufa na análise de um curso de formação /." Bauru, 2019. http://hdl.handle.net/11449/182146.

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Orientador: João José Caluzi
Banca: Cibelle Celestino Silva
Banca: Deividi Marcio Marques
Banca: Silvia Regina Quijadas Aro Zuliani
Banca: Marcelo Carbone Carneiro
Resumo: As questões ambientais estão cada vez mais sendo discutidas na sociedade. Contudo, de acordo com o autor francês Edgar Morin, para entendê-las em completude, é preciso ter uma mudança de percepção de mundo, buscando religar os pensamentos que foram fragmentados ao longo dos séculos, tanto no contexto social como no educacional. Mudar o pensamento não é um processo trivial e a História da Ciência (HC) pode ser uma boa ferramenta para os estudos da complexidade, possibilitando melhor compreensão sobre as visões contemporâneas da ciência e suas consequências em assuntos amplamente discutidos. Frente aos debates ambientais, foi escolhido como motivação das discussões da presente tese o tema efeito estufa intensificado e suas consequentes alterações no clima. Há pesquisas que relacionam o pensamento complexo com o ensino de ciências e a HC com ensino, mas são quase ausentes as que proponham ou investiguem conexões entre a tríade complexidade, HC e ensino. Diante da suposição de que a HC pode auxiliar a desenvolver o pensamento complexo, o objetivo do trabalho foi identificar a possível relação entre os princípios da complexidade de Edgar Morin e categorias de HC a partir dos estudos do efeito estufa intensificado - na teoria e com estudantes em cursos de formação docente. Foi utilizada a pesquisa qualitativa para o desenvolvimento da tese em duas etapas: a primeira - chamada de estudos teóricos - foi importante para dar base para as discussões na segunda etapa - denominada ativida... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Environmental issues are increasingly being discussed in society. However, according to French author Edgar Morin, in order to understand them in completeness, it is necessary to have a change of world perception, seeking to reconnect the thoughts that have been fragmented over the centuries, both in the social and educational context. Changing thinking is not a trivial process and the History of Science (HS) can be a good tool for studying complexity, enabling a better understanding of contemporary views of science and its consequences on widely discussed subjects. In the face of environmental debates, the intensified greenhouse effect theme and its consequent changes in climate were chosen as motivation of the discussions of this thesis. There is research that links complex thinking with science teaching and HS with teaching, but there are almost no ones who propose or investigate connections between the triad complexity, HS and teaching. Given the assumption that HS can help to develop complex thinking, the objective of this work was to identify the possible relationship between the principles of complexity of Edgar Morin and HS categories from studies of the intensified greenhouse effect - in theory and with students in teacher training courses. Qualitative research was used for the development of the thesis in two stages: the first - called theoretical studies - was important to provide the basis for the discussions of the second stage - called activities with licensees.... (Complete abstract click electronic access below)
Doutor
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Carvalho, Anabela Simoes de. "Climate in the news : the British press and the discursive construction of the greenhouse effect." Thesis, University College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399161.

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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 the Nordic countries as well as if therelation differs between different rating agencies. To study the relationships, a regressionanalysis was performed, and we could not draw any concrete conclusions whether low CO2emissions are associated with a higher E- or ESG score in the Nordic countries. The resultindicates that a high E- or ESG score does not seem to be associated with lower CO2 emissions.A significant result was found on the fact that the E- and ESG scores relation to CO2 aredifferent between rating agencies. However, full access to one of the rating agencies has notbeen granted, which entails some limitations and further research on the questions isrecommended.
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Goldthorpe, Ward Hilary. "Carbon capture and storage and the Australian climate policy framework. /." Connect to thesis, 2009. http://repository.unimelb.edu.au/10187/7058.

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42

Tychanowicz, Silmara Denise [UNESP]. "Ensino médio e interdisciplinaridade: um estudo sobre o conceito de efeito estufa." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/90902.

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Made available in DSpace on 2014-06-11T19:24:49Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-09-29Bitstream added on 2014-06-13T19:11:35Z : No. of bitstreams: 1 tychanowicz_sd_me_bauru.pdf: 711956 bytes, checksum: 6a7e626a2ad49388eac50d26568554dd (MD5)
Conceituar fenômenos estudados em sala de aula aparentemente é um tema simples, mas afirmar que foi reconhecido ou se foram estabelecidas relações deste fenômeno com o sujeito que o vivencia, é a principal discussão que apresenta esta pesquisa. Visamos examinar as possibilidades e contribuições de uma Metodologia de Ensino como instrumento auxiliar ao planejamento e desenvolvimento do processo de compreensão de fenômenos da natureza. Para isso, serão descritos os instrumentos utilizados no desenvolvimento da metodologia sobre o tema “Efeito Estufa”, que foi realizada junto a alunos/as de 1ª série do Ensino Médio. O modelo proposto procura estabelecer patamares pedagógicos concebidos a partir das tríades sucessivas que marcam a evolução do conhecimento: perceber/relacionar/conhecer, dentro de uma perspectiva interdisciplinar. A avaliação dos resultados do trabalho, a partir da análise dos materiais escritos produzidos pelos estudantes ao longo do processo, nos leva refletir a complexidade da aprendizagem humana.
Conceptualizing phenomena in the class room is apparently a simple matter, but the assertion on whether its acknowledgement occurs and whether the relationships established between the phenomenon and the subject who experiences it takes place – this is the main discussion of this research. Here we aim to examine the possibilities and contributions of a Teaching Methodology as an auxiliary tool in planning and developing the process of understanding nature phenomena. Thus, the tools used in methodology development using the theme “Greenhouse Effect” performed with first grade students of highschool level are described. The proposed model aims to establish pedagogical paths conceived from successive trinities that benchmark knowledge evolution: perception/relationship/knowledge, from a multidisciplinary perspective. Result evaluation from the analysis of written material produced by the students throughout the process invite us to reflect about the complexity of the human learning process.
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Avise, Jeremy Charles. "Global change and regional air quality impacts of climate, land-use, and emissions changes /." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Fall2007/J_Avise_120907.pdf.

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Smit, Johannes Nicolaas. "Die invloed van boor, trosvibrasie en relatiewe humiditeit van die trosatmosfeer op die bestuiwing van kweekhuistamaties (Lycopersicon esculentum L.)." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53380.

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Thesis (MScAgric)--University of Stellenbosch, 2003.
ENGLISH ABSTRACT: In South Africa tomato production in greenhouses normally occurs out of season when conditions are unfavourable for production and for the pollination process. Pollination is of special importance and the backbone of production. High temperatures contribute to the formation of abnormalities in flower morphology such as splitting of the anther cone and style exsertion. Low temperatures inhibit growth of the anther cone and therefore the style is uncovered. The movement of pollen from the anther to the style is inhibited by the higher style position in relation to the anther cone. Under humid conditions the pollen tends to stick to the anther surface. Another factor contributing to the problem is the banning of European bumble bees in South Africa. Alternative methods of pollen transport have to be found. Truss vibration, honey bees and plant growth regulators (PGR) are the most popular alternatives. Truss vibration and the use of PGR's are labour intensive and honey bees tend to get disorientated inside a plastic greenhouse. During the first part of this study pollen from plants, grown at four different B-levels (0.02; 0.16; 0.32 and 0.64 mg rl) was germinated in vitro. It was kept at different temperatures and periods before incubating on different growth media. No proof was found that pollen from B-deficient plants germinated poorly. Germination of pollen decreased significantly after one week storage. Deterioration of pollen viability could be lowered by storage at 5°C. At least 10% sucrose is needed in the growth medium for in vitro germination but addition ofB had no positive effect. In a second phase of the study, the influence of the mentioned B application rates were tested. The experiment was done in a glasshouse where temperatures were mechanically regulated (22°C and 10°C day/night). Seedlings of the greenhouse tomato cultivar, Abigail, were planted in acid washed river sand. Plants were grown with the main stem trellised vertically and the side shoots removed weekly. Only the first, third and fourth cluster were used for this part of the study. The uptake of all the essential nutrient elements, fruit set, the relation of larger to smaller fruits, physical and chemical quality and fruit shelf life were evaluated. The application of B at higher rates increased the uptake of Ca and decreased K-uptake. Fruit set, fruit development, fruit color and shelf life were the best at a B-Ievel of 0.16 mg r'. At this rate the abortion of flowers was the least. The same plants were used for the second part of the study, using the third cluster. The influence of the same four B-Ievels, the relative humidity (RH) of the truss atmosphere and truss vibrations were tested. The second cluster was covered with a plastic bag. Dry {AFRIKAANSE OPSOMMING: Die verbouing van kweekhuistamaties in Suid-Afrika geskied meestalonder toestande wat ongunstig is vir produksieprosesse en veral die bestuiwingsproses wat die basis van produksie is. Onder toestande van hoë temperature is die voorkoms van afwykings in die blommorfologie (gesplete meeldraadbuis en verlengde styl) algemeen. Net so, onder toestande van lae temperature, sal gebrekkige groei van die meeldraadkrans ook tot die blootstelling van die stempel lei. Die oordraging van die stuifmeel vanaf die helmknop na die stempel word hierdeur benadeel. Tydens humiede toestande mag vasklewing van stuifmeel aan die helmknoppe ook die beweging van stuifmeel belemmer. 'n Verdere faktor wat tot die probleem bydra is die verbod op die invoer van hommelbye uit Europa. Alternatiewe metodes vir oordraging van stuifmeel moet dus gevind word. Trosvibrasie, heuningbye en die gebruik van plantgroeireguleerders (PGR's) is die mees populêre alternatiewe. Trosvibrasie met 'n 'polli-bee' en die aanwending van PGR's is arbeidsintensief. Heuningbye ondervind navigasieprobleme in plastiek kweekhuise en is nie so effektief as hommelbye nie. Tydens die eerste fase van die ondersoek is stuifmeel vanaf plante, wat by vier verskillende Bvoedingspeile (0.02; 0.16; 0.32 en 0.64 mg rl) verbou is, versamel en in vitro ontkiem. Dit is by verskillende temperature en periodes opgeberg en op verskillende media vir ontkieming geïnkubeer. Geen bewyse kon gevind word dat stuifmeel vanaf B-gebrekkige plante swak ontkiem nie. Kiemkrag van stuifmeel het na sewe dae opberging betekenisvol verswak. Verswakking in kiemkrag kon beperk word deur die stuifmeel by SoC op te berg. 'n Ontkiemingsmedium met ten minste 10% sukrose is vir goeie in vitro ontkieming van stuifmeelkorrels nodig terwyl die byvoeging van B geen voordelige effek getoon het nie. Tydens die tweede gedeelte van hierdie ondersoek is die invloed van die genoemde vier B-voedingspeile ondersoek. Die ondersoek is in 'n glashuis, waarvan die temperature meganies beheer is (22°C en 10°C dag/nag), uitgevoer. Plantmateriaal van die kweekhuistamatiekultivar, Abigail, is in suurgewasde riviersand geplant. Hoofstamme is vertikaalopgelei en die sylote is een maal per week uitgebreek. Die eerste, derde en vierde bloeiwyses is vir die ondersoek gebruik. Die opname van al die essensiële voedingselemente (blaarontledings), vrugset, die verhouding van groot vrugte tot kleiner vrugte, fisiese en chemiese kwaliteite van die vrugte en die raklewe daarvan is ge-evalueer. Die toediening van B teen hoër peile het die opname van Ca ten koste van K bevoordeel. Die beste resultate ten opsigte van vrugset, vrugontwikkeling, vrugkleur en die houvermoë (raklewe) van die vrugte is verkry teen 'n B-toedieningspeil van 0.16 mg.l'. Vir die derde gedeelte van die ondersoek is die tweede tros van dieselfde aanplanting gebruik. Die invloed van die vier B-voedingspeile, relatiewe humiditeit (RH) van die omgewing rondom die tros en trosvibrasie is ondersoek. Die tweede bloeiwyse is met 'n deursigtige plastieksakkie bedek. Droë {dO% relatiewe humiditeit (RH)}, normale {60-75% RH} en vogtige {85-97% RH} lug is teen 50 ml min-1 oor die tros gestuur. Trosvibrasie is as derde faktor teen twee peile gebruik deur trosse daagliks met 'n elekriese vibreerder ("polli-bee') te vibreer. Die aantal blomme per tros, vrugte per tros, vrugset, trosmassa (opbrengs), vrugmassa, aantal sade, vrugmassa per saad en blom-end-verrotting (BER) is ge-evalueer. Die toediening van hoër B-voedingspeile, 60-75% RH lug en trosvibrasies het vrugmassa, trosmassa en vrugset bevoordeel. Hoë lugvog het die omvang van BER verhoog, waarskynlik weens 'n gebrek aan transpirasie vanaf die vrugoppervlakke wat aanleiding tot 'n beperking in translokasie van Ca kon gee.
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45

Leung, Wai-hung. "Global climate change : environmental implications for Hong Kong /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17457294.

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46

Frazão, Leidivan Almeida. "Greenhouse gas emissions and soil carbon dynamics in the Brazilian oil palm production." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-23032012-171050/.

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Oil palm has been considered one of the most favorable oilseeds to biodiesel production in Brazil. The crop has been cultivated in the north and northeast regions under commercial plantations and agroforestry systems. As the oil palm is a perennial crop, it is important to understand how the intensive cultivation affects the dynamic of soil organic matter in the long term. The goal of this work was to determinate the greenhouse gas emissions associated to the main production steps and the changes on soil organic carbon under oil palm plantations. Soil and greenhouse gas samples were collected in traditional production areas in Brazil. Commercial plantations derived from pasture and Amazon rain forest were selected in Pará State (Agropalma farm), while areas derived from Atlantic rain forest and agroforestry system were selected in Bahia State (Opalma farm and Lamego). At first, changes on soil carbon stocks were evaluated in the commercial plantations and agroforestry systems. The variability of soil carbon dynamics in the production areas can be explained by several aspects such as temporal and spatial variations, and prior land use. The soil carbon stocks, after corrections for differences in density and clay content, decreased till 46% in areas derived from pasture and increased 18% in an area derived from Amazon rain forest. The soil carbon stocks increased till 23% in areas derived from Atlantic rain forest and decreased 30% when agroforestry system was adopted. The soil nitrous oxide (N2O) emissions from N fertilizer application were 10 times higher in the seedlings production than in juvenile and mature plantations, however this step represents 3.8% of the plant cycle. In general, the observed greenhouse gas emissions at different stages of oil palm production are not large than other agricultural crops in Brazil. The decomposition of plant residues also contributed to greenhouse gas emissions to the atmosphere. The carbon footprint associated to oil palm production at Agropalma farm was approximately 0.7 kg CO2 equivalent per kg of crude palm oil produced, and 70% this value is associated with the management of effluent in the anaerobic ponds emitting a large amount of methane to the atmosphere. The correct treatment of the effluent can result in reductions of greenhouse gas emissions, and consequently, decreasing the carbon footprint associated to palm oil production in the Amazon region. The results founded in this study may be used to improve the biodiesel life cycle assessment derived from palm oil produced in Brazil.
A palma (dendê) tem sido apontada como uma das oleaginosas mais viáveis para a produção de biodiesel no Brasil. Esta cultura tem sido cultivada nas regiões norte e nordeste em plantios comerciais e sistemas agroflorestais. Como é uma planta perene, é importante entender como o cultivo intensivo pode alterar a dinâmica da matéria orgânica do solo a longo prazo. O objetivo deste trabalho foi determinar as emissões de gases do efeito estufa nas principais fases do sistema produtivo e as mudanças nos estoques de carbono do solo sob cultivo da palma. Amostras de solos e gases do efeito estufa foram coletadas em áreas tradicionais de produção no Brasil. No Pará (fazenda Agropalma) foram selecionadas áreas derivadas de pastagem e Floresta Amazônica, enquanto na Bahia (fazenda Opalma e Lamego) foram selecionadas áreas derivadas de Mata Atlântica. Primeiramente foram avaliadas as mudanças nos estoques de carbono do solo sob sistemas comerciais e agroflorestais de cultivo. Os resultados indicaram que a variabilidade na dinâmica do carbono do solo em áreas de plantio de palma pode ser explicada por vários fatores, como as variações temporais e espaciais, e uso da terra anterior à instalação dos palmares. Os estoques de carbono do solo, após as correções pelas diferenças na densidade e teores de argila do solo, decresceram até 46% nas áreas derivadas de pastagem e aumentaram 18% na área derivada de Floresta Amazônica. Os estoques de C do solo aumentaram até 23% nos plantios comerciais derivados de Mata Atlântica e decresceram 30% quando foi adotado o sistema agroflorestal. As emissões de óxido nitroso (N2O) pelo solo derivadas da aplicação de fertilizantes nitrogenados foram 10 vezes maiores na produção de plântulas do que nos plantios jovens e adultos, entretanto, esta fase representa apenas 3,8% do ciclo de vida da planta. De forma geral, as emissões de gases do efeito estufa nos diferentes estágios de produção não foram maiores do que para outras culturas no Brasil. A decomposição dos resíduos culturais também contribuiu para as emissões de gases do efeito estufa para a atmosfera. A pegada de carbono associada a produção do óleo de palma pela Agropalma foi aproximadamente 0,7 kg CO2 equivalente por kg de óleo produzido, dos quais 70% estão associadas ao manejo de efluentes industriais nas lagoas anaeróbicas, que emitem uma grande quantidade de metano (CH4) para a atmosfera. O manejo correto do efluente pode resultar nas reduções das emissões de gases do efeito estufa, e consequentemente, diminuir a pegada de carbono associada a produção do óleo de palma na região Amazônica. Os resultados encontrados neste estudo poderão ser usados para fazer avaliações mais complexas como a avaliação do ciclo de vida do biodiesel derivado do óleo de palma no Brasil
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Debouk, Haifa. "Assessing the effect of global change on plant functional structure, greenhouse gases, and soil functions in grasslands." Doctoral thesis, Universitat de Lleida, 2017. http://hdl.handle.net/10803/436894.

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L'objectiu d'aquesta tesi és investigar el paper dels grups funcionals de plantes (GFP) en relació a l’estabilitat de la comunitat vegetal, els fluxos de GEH i les funcions del sòl, i com aquestes interaccions es regulen pel clima. La composició de GFP va influenciar els GEH i les funcions del sòl però les variables ambientals van regular aquest efecte. L’escalfament va afavorir la dominància d’espècies oportunistes i de creixement ràpid en detriment d’espècies més conservatives, causant una reducció en la diversitat específica. La composició i l’estructura funcional van tenir una major influencia en la productivitat i l’estabilitat de la comunitat que la diversitat específica. Els GEH es van reduir amb l’altitud, i incrementar durant l’estiu. La interacció entre GFP va afavorir l’assimilació de CH4 i N2O en comparació a la dominància d’un sòl GFP. Les interaccions entre GFP van també afavorir les funcions de sòl relacionades amb el cicle del N.
El objetivo principal de esta tesis fue investigar el efecto de los grupos funcionales de plantas sobre la estabilidad de la vegetación, los flujos de GEI y las funciones del suelo, y cómo las condiciones climáticas regulan sus interacciones. La estructura funcional de las plantas en pastos influyó la estabilidad de la vegetación, los flujos de GEI, la actividad y fertilidad del suelo, y ese efecto está regulado por el clima. El calentamiento causó la dominancia de especies oportunistas sobre las más conservadoras; reduciendo así la riqueza específica. Los rasgos funcionales tuvieron una mayor influencia en la productividad y estabilidad de las comunidades frente al efecto de la diversidad. Los flujos de GEI aumentaron en verano y disminuyeron con la altitud. La interacción entre grupos funcionales incrementó la absorción de CH4 y N2O respecto a grupos individuales. Las interacciones entre grupos funcionales favorecieron también las funciones de suelo relacionadas con el ciclo de N.
The main objective of this thesis is to investigate how plant functional types (PFT) affect vegetation stability, greenhouse gas (GHG) fluxes and soil functions, and how these interactions are regulated by climatic conditions. We found that plant functional structure strongly influences vegetation stability, GHG fluxes, and soil activity and fertility in grassland, but this relationship is regulated by climate. Warming lead to the dominance of acquisitive fast growing species over conservative species; thus reducing species richness. The functional traits structure in grasslands had greater influence on the productivity and stability of the community under warming, compared to diversity effects. GHG fluxes decreased with altitude- the colder the grassland site the lower the fluxes-, and increased during summer. The interaction between PFTs enhanced CH4 and N2O uptake compared to single PFTs. Also, PFT evenness and pairwise interactions between PFTs enhanced soil functions related to the N cycle.
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Chormova, Dimitra. "Effect of Nitrogen & Potassium Supply on Greenhouse Tomatoes in Relation to Plant Growth, Yield & Quality." Thesis, University of Newcastle Upon Tyne, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525088.

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49

施錦杯 and Kam-pui Sze. "Effects of the interaction of atmosphere and ocean on humanactivities." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31254378.

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Shafer, Sarah L. "Potential vegetation response to future climate change in western North America and its implications for biological conservation and geographical conceptualizations of place /." view citation or download file of text, 2000. http://wwwlib.umi.com/cr/uoregon/fullcit?p9986759.

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Thesis (Ph. D.)--University of Oregon, 2000.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 132-150). Also available for download via the World Wide Web; free to University of Oregon users.
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