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Academic literature on the topic 'Bilan des émissions de gaz à effet de serre – France – Aquitaine (France)'
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Journal articles on the topic "Bilan des émissions de gaz à effet de serre – France – Aquitaine (France)"
DOREAU, M., A. FARRUGGIA, and P. VEYSSET. "Aménités et impacts sur l’environnement des exploitations françaises élevant des bovins pour la viande." INRA Productions Animales 30, no. 2 (June 19, 2018): 165–78. http://dx.doi.org/10.20870/productions-animales.2017.30.2.2242.
Full textDOREAU, M., R. BAUMONT, and J. M. PEREZ. "Avant-propos." INRAE Productions Animales 24, no. 5 (December 8, 2011): 411–14. http://dx.doi.org/10.20870/productions-animales.2011.24.5.3274.
Full textFAVERDIN, P., and C. LEROUX. "Avant-propos." INRAE Productions Animales 26, no. 2 (April 16, 2013): 71–76. http://dx.doi.org/10.20870/productions-animales.2013.26.2.3137.
Full textDissertations / Theses on the topic "Bilan des émissions de gaz à effet de serre – France – Aquitaine (France)"
Martin, Jean-Christophe. "Impacts économiques d'une politique de réduction des émissions de gaz à effet de serre pour la région Aquitaine." Bordeaux 4, 2010. http://www.theses.fr/2010BOR40028.
Full textRegional council of Aquitaine, thanks to increasing area of competence because of different laws of decentralization, can contribute to national effort of reducing greenhouse gas emissions (GHG). In order to make it, It has implemented in 2005 a climate plan to avoid 2 883 ktCO2eq for 2007-2013. However, considering of poor regional accounting, it is confronted with a lack of study to implement efficiently its climate plan. The aim of this thesis is precisely to make some studies in order to guide regional council in this field. Input-output analysis was used because of its ability to integrate the complexity of interindustrial trade with a detailed sectored study. The aim of the first part of the thesis is to outline the method of constructing a regional accounting, namely a making of input-output table with a GHG emissions inventory associated. The second part of this thesis shows different applications of input-output analysis in order to answer to regional issues on GHG emissions. The first interest of input-output analysis is to calculate both direct and indirect contribution of sectors emissions. By applying optimization methods, economic restructuring could be estimated in order to reconcile both GHG emissions reduction and economic growth objectives. The use of structural decomposition analysis has advantage to pick out main forces explaining evolution of GHG emissions and, so, to use these results to make forecasting of regional GHG emissions until 2013. Moreover, it was possible to determine a budget of opportunity cost from construction of road and rail infrastructures leading to finance projects to offset theirs emissions by using optimisation methods
Robert, Colas. "Comprendre les changements d'utilisation des terres en France pour mieux estimer leurs impacts sur les émissions de gaz à effet de serre : De l'observation à la modélisation." Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC263/document.
Full textFrance is required to account for annual land-cover changes and induced carbon fluxes). This inventory is difficult to calcula te, for data source are complex and contradictory. Moreover, this sector is important as its role in combating climate change is emphasized. This thesis proposes improvements to several identified methodological issues: imperfect data sources, Jack of knowledge about other potential sources„ poorly evaluated uncertainties, validation of landscape dynamics consistency..Thus, the objective of this thesis is to analyse and assess current and potential data sources for computing land-cover change area matrixes, in order to enhance the robustness of the inventory. A scientific approach is conducted to assess the inventory, to understand what causes uncertainties in land cover products, to compile datasets and their metadata, to study the landscape dynamics, and to define a new methodological framework allowing better and more consistent estimates of land cover change rates at national scale.This work suggests that the finest spatial, thematical and temporal resolution levels lead to overestimation of false positives. Accuracy and consistency are preferable to precision and scale dependency must be considered. Finally, we propose an interoperability framework for data integration, via a modeling protocol linking land cover change estimation and spatial allocation
Brotons, Jefferson. "Le plan climat-air-énergie de la Métropole Aix-Marseille-Provence : une analyse juridique." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0456/document.
Full textThrough the analysis of the legal components of the climate action at an intercommunal scale, the question is whether the legal framework built in order to reach the objectives of GHG emissions mitigation and climate change adaptation appears suitable in terms of efficacy and implementation. We explore the establishment of the climate planning document of Aix-Marseille-Provence Metropolis, an institution affected by numerous structural changes in link with territorial reforms
Breka, Jean Noël Ouraga. "Mise en place d'une logistique verte : (Technique d'optimisation de l'émission du CO2 d'une plate-forme distributeur vers les sites du client : une application au secteur agroalimentaire français)." Paris 1, 2011. http://www.theses.fr/2011PA010027.
Full textCochran, Ian Thomas. "The local-level management of climate change : the case of urban passenger transportation in France." Paris 9, 2012. http://basepub.dauphine.fr/xmlui/handle/123456789/9783.
Full textThe reduction of GHG emissions is one of the largest and most pressing collective-action problems facing humanity. Addressing this transversal, trans-boundary policy challenge requires action at multiple scales of governance: from behavioral changes by individuals to modifications of local, national and international regulatory frameworks and decision-making processes. Taking an interdisciplinary approach, this project draws on theories on collective action, institutional economics, multilevel governance, and indicators in decision making to analyze what appears to be an increasingly polycentric governance approach to achieving cross-scale action on GHG mitigation. This dissertation addresses the over-arching question of what governance changes are needed to deliver lasting GHG emissions reductions in the urban passenger transport sector in France? Achieving greenhouse gas mitigation is dependent not only on the ability of actors to coordinate action, but also on the information tools needed to integrate these issues into decision-making at multiple levels of government and across policy priorities. Thus, GHG mitigation must be linked as an often-complementary issue with existing policy priorities. The analyses and findings resulting from this dissertation have a number of contributions to make both to the theoretical literature as well as to general policy practice and the specific decision-making process in France in terms of transport, urban planning and climate governance
Veloso, Amanda Gabriela Maia. "Modélisation spatialisée de la production, des flux et des bilans de carbone et d'eau des cultures de blé à l'aide de données de télédétection : application au sud-ouest de la France." Toulouse 3, 2014. http://thesesups.ups-tlse.fr/2695/.
Full textThe agricultural lands that occupy more than one third of Earth's terrestrial surface contribute to climate change and are also impacted by those changes, since their production is conditioned by climatic conditions and water resources. The main objective of this thesis is therefore to quantify and analyze the production and also the main components of the carbon and water biogeochemical cycles for crop ecosystems in contrasted climatic years, focusing specifically on the winter wheat crop, in order to identify the best strategies for maintaining crop production and reducing environmental impacts. The study area is located in southwest France. We propose a regional modeling approach that combines: i) high spatial and temporal resolutions optical remote sensing data, ii) simple crop models and iii) an extensive set of in-situ measurements for models' calibration and validation. The combined use of these three 'tools' opens new perspectives for advanced agro-ecosystems modeling and monitoring at regional or global scales
Ammoura, Lamia. "Vers une quantification des secteurs d’émission de CO2 de l’agglomération parisienne." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLV035/document.
Full textIn response to changing air quality and climate, there is a growing interest in quantifying emissions ofatmospheric pollutants and greenhouse gases from urban areas. Currently emission inventories provide the most detailed description of anthropogenic emissions. However, their estimates rely on the combination of activity proxies and emission factors for individual source sectors calibrated for benchmarck situations that may significantly differ from real conditions. Paris, the third largest megacity in Europe, can be considered in this context. We used methods based on in situ measurements in this region to characterise the urban signal and independently assess the latest estimates from the regional inventory. The methods we developed rely on the joint analysis of atmospheric tracers (CO, NOx, VOCs) which are co-emitted with CO2 during incomplete combustion processes in ratios that are characteristic of each emission sector. These ratios between co-emitted species are thus an appropriate tool to study the urban signal. During this PhD, we developed several methods to evaluate the ratios using measurements for a major CO2 emission source in Paris (road traffic) or for measurements acquired in the urban atmosphere. We revealed spatial and seasonal variabilities in these ratios and the main conclusions were not necessarily in complete accordance with the ones from inventories or previous studies. We also compared our results to the estimates provided by the latest regional inventory, which appears to overestimate them in most cases. Finally, we combined the results obtained with the multi-species analysis to the ones provided by isotopic analyses (which are often used as a reference to study anthropogenic emissions). According to the analyses of these measurements, CO2 emissions in Paris came mostly from combustion of fossil fuels (81 %) and the use of each fossil fuel is almost equally distributed. Finally, the satisfactory agreement found between the two approaches (multi-species and isotopic one) confirmed their relevancefor the analysis of mean urban signals
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.
Full textSince the industrial revolution, the economic and the demographic growths have increased exponentially,leading to an enhancement of the fossil fuels combustion, such as coal, oil, and natural gas. Consumingthese source of energy amplifies the greenhouse gas emissions, mainly carbon dioxide (CO2) and methane(CH4), whose accumulation in the atmosphere lead to the increase of the greenhouse effect. According tothe 5th assessment report of the Intergovernmental Panel on Climate Change (IPCC), it is extremely likely(95-100% of certainty) that the observed increase in the greenhouse effect is related to the increase of theanthropogenic emissions. However, the estimations of the GHG budget at the regional and the nationalscales remains highly uncertain. The aim of this thesis is to improve the estimation of the CO2 and CH4fluxes in France, using data assimilation techniques and atmospheric measurements provided by theIntegrated Carbon Observation System (ICOS) network.The first phase focuses on analyzing the measured CO2, CH4, and CO (Carbon monoxide) atmosphericconcentrations provided by surface monitoring stations. This study is concerned with the problem ofidentifying atmospheric data influenced by local emissions that can result in spikes in the GHG time series.Three methods are implemented on continuous measurements of four contrasted atmospheric sites. The aimof this analysis is to evaluate the performance of the used methods for the correctly detect the contaminateddata. This work allows us to select the most reliable method that was proposed to perform daily spikedetection in the ICOS Atmospheric Thematic Centre Quality Control (ATC-QC) software.Secondly, we simulate the atmospheric concentrations of CO2 and CH4 using the chemistry transport modelCHIMERE in a domain centered over France for the year 2014. The objective of this study is to evaluate thesensitivity of simulated concentrations using different input data (sensitivity to the meteorological transportand sensitivity to the surface fluxes). This work led to the quantification of both the transport and surfacefluxes errors based on the combination of different simulations. Thus, the most reliable combination of thebest input data was selected for the flux inversion study.Lastly, the measured CO2 and CH4 concentrations are used by the PYMAI inversion system (Berchet et al.,2013 and 2015) in order to estimate the CO2 and CH4 fluxes in France. The Inversion is performed for onemonth in winter (January) and one month in summer (July), using the transport model CHIMERE. Theinversion results have provided very interesting results for the regional estimation of the CO2 and CH4surface fluxes in France with an uncertainty reduction that may attain 35% of the national totals
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.
Full textSeveral recent studies have highlighted significant fluxes of carbon dioxide (CO2) from inland waters in the global carbon cycling. The first main objective of this thesis was to quantify and understand carbon dynamics in the Seine River basin, which is deeply impacted by human activities. For this purpose a new inorganic carbon (IC) module was implemented in the biogeochemical Riverstrahler model, to simulate spatial and temporal variations in carbon forms in the drainage work. A second major objective was to size both aquatic and terrestrial emissions as a part of a joint assessment of three main GHGs (CO2, methane –CH4, and nitrous oxide –N2O). Field campaigns in rivers draining various land uses in different hydrological seasons, showed a supersaturation in CO2 of the Seine hydrosystem leading to CO2.emissions to the atmosphere. The main factor controlling the CO2 partial pressure (pCO2) was the concentration of dissolved organic carbon (DOC) (R2=0.56, n=119, p<0.05), modulated by hydro-climatic conditions and groundwater contribution. In small streams, DOC concentrations were dependent on the soil organic carbon stock. For the main stem, a long-term analysis (1970-2015) showed that pCO2 tracked urban pollution, decreasing from the 2000s after improvement of wastewater treatment. The validation of the IC module newly implemented in Riverstrahler showed that IC inputs to the Seine River dominated the overall carbon budget (1138 ktC yr-1 on average for the period 2010-2013) of which less than 2% was produced from biogeochemical processes (27 ktC yr-1). In addition, CO2 outgassing represented 30% of IC outputs while exports to the estuary represented 69% of IC outputs. OC inputs were comparatively lower, accounting only for 104 ktC yr-1. Analysis of the biogeochemical processes of the Seine River showed a negative net ecosystem production (NEP), the river being mostly heterotrophic. In order to complete the modeling of the fate of carbon in the Seine River, the Riverstrahler model was combined with the estuarine C-GEM model, towards an integrated approach to the Land-to-Ocean Aquatic continuum. Representing 34% of the river mirror area, the estuary thus contributes ~23% of the CO2 emitted from the whole estuary-river aquatic continuum (estimated at 445 kt C for the year 2010). In addition, analyses of available institutional databases and measurements of other GHGs (CH4 and N2O) enabled estimation of aquatic emissions at 3.7% of the Seine basin total emissions (2,276 ktCO2 equivalent yr-1), dominated by CO2 (95.3%), while agricultural (14,295 ktCO2 equivalent yr-1) and urban emissions (44,713 ktCO2 equivalent yr-1) accounted for 23.3% and 73.0%, respectively. A historical reconstruction of agricultural emissions for the whole of France (1850-2014) estimated that, among the 114,000 ktCO2 equivalent yr-1 emitted by the agricultural sector, 22% were represented by CO2, 49% by CH4 and 29% by N2O. Finally, two contrasting scenarios were explored (horizon 2040). The first, characterized by the current trend towards specialization and intensification, predicted an almost 1.5-fold increase in agricultural emissions. While the second, characterized by a transition to organic agriculture and dietary change, would reduce current emissions by about 50%