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Artykuły w czasopismach na temat "Agglomérations urbaines – Environnement"
Diallo-Dudek, Julita, Thibaut Vairet, Yves Richard, Thomas Thevenin, Nadège Martiny, Julien Pergaud, Damien Roy i in. "Cartographier la végétation et les Local Climate Zone dans six agglomérations de Bourgogne-Franche-Comté". Climatologie 20 (2023): 2. http://dx.doi.org/10.1051/climat/202320002.
Pełny tekst źródłaBurgel, Guy, i Jean-François Serre. "Introduction – Des villes en crise". Villes en parallèle 51, nr 1 (2023): 4–26. http://dx.doi.org/10.3406/vilpa.2023.1871.
Pełny tekst źródłaPetitet, Sylvain, i Jérémy Grangé. "Faire advenir une infrastructure douce à l’échelle des agglomérations : l’espace public au risque des modes actifs, de la nature urbaine et du changement environnemental global". Environnement Urbain 10 (2016). http://dx.doi.org/10.7202/1040602ar.
Pełny tekst źródłaRozprawy doktorskie na temat "Agglomérations urbaines – Environnement"
Ait-Helal, Warda. "Les composés organiques gazeux en périphérie de deux mégapoles, Paris et Los Angeles : sources, variabilité et impact sur l'aérosol organique secondaire". Electronic Thesis or Diss., Lille 1, 2013. http://www.theses.fr/2013LIL10173.
Pełny tekst źródłaSecondary Organic Aerosol (SOA) impacts air quality and climate change. However, its ambient concentrations are still underestimated. A large discrepancy has been observed between estimations and observations of SOA in urban areas as well as in remote areas, since the sources and the nature of the SOA precursors, the Gaseous Organic Compounds (GOCs), and the SOA formation mechanisms remain unclear. The studies presented here aim (1) to characterize the GOCs, including important SOA precursors, in urban area by studying their determinants and their sources, and (2) to study the GOCs impact on the SOA formation in urban area. To answer these objectives, we studied GOCs measured at suburban sites of Paris and Los Angeles megacities, as part of the MEGAPOLI (summer 2009 and winter 2010) and CalNex (spring 2010) programs, respectively. From the study of the organic fractions of the particulate- and the gas-phases with air quality indicators and meteorological data, (1) we identified the GOCs determinants, (2) we identified their sources and quantified their relative contribution to the GOCs emissions according to the season, by implementing the source receptor model PMF, and (3) we estimated the impact of the GOCs on the SOA formation. In summer and in winter, the GOCs measured in Paris are strongly associated with the “remote” and “OVOCs” source profiles. The highest contributions to the emissions of GOCs measured in Los Angeles are associated to the anthropogenic source profiles. As for the SOA formation, these studies highlighted for the first time the importance of the Intermediate Volatility Organic Compounds (I-VOCs) in the SOA formation from their measurements in Paris
Maldonado-González, Ana-Lucia. "La contribution de l'organisation communautaire et des participants à un mode de gouvernance civique en environnement dans trois régions administratives du Québec". Doctoral thesis, Université Laval, 2008. http://hdl.handle.net/20.500.11794/20007.
Pełny tekst źródłaJouvaud, Magali. "Localisation des services aux entreprises et croissance des agglomérations". Aix-Marseille 3, 1997. http://www.theses.fr/1997AIX32037.
Pełny tekst źródłaThis thesis attempt to understand the location and distribution of producer services between agglomerations and their role in the economic growth of cities. Firstly, we analyse locational factors (market proximity, needs in human ressources, services and informations). We point out, with a typology of producer services according to their locational factors, that modalities of service delivery (servuction), type of firms and activities are determinant for explaining the different combinations of locational factors existing in this industry. Secondly, we examine the impact of location decisions in the urban system. Producer services are still very concentrated in the biggest metropolitan areas. Our analysis confirms that agglomerations which high concentration of producer services, grew faster. The relation between producer services and urban growth is explained by their role in the two major mechanisms of urban economic growth. We found that producer services are part of the economic base of agglomerations and generate multiplier effects as well as manufacturing mutipliers. A study of french metropolitan departments underline the favorable effect of producer services and their executive workers on employment productivity and productivity gains. Therefore, producer services importance differs according to cities but their effect is essential for explainning disparities in economic growth of agglomerations: they play a prime role for the structuration of the french urban system
Touchard, Ophélie. "L'action urbaine écologique de Bordeaux Métropole : le plafond de verre de la nature ou la conflictualité tacite des pratiques de l'aménagement". Electronic Thesis or Diss., Bordeaux 3, 2019. http://www.theses.fr/2019BOR30004.
Pełny tekst źródłaIn the light of the contemporary urban planning action, this Phd offers to examine the integration of ecosystems in the urban planning practices of Bordeaux Métropole (France). Relying on an interdisciplinary approach of urban planning and political science, this analysis is part of the research on the plural visions of Nature as an urban space and aims to improve understanding the current weakness of environmental policy actions. An action-research project (2014-2017) with the Communauté Urbaine de Bordeaux (nowadays Bordeaux Métropole) enabled to unfold an ethnographic immersion of urban planning public practices. The case of Bordeaux Métropole illustrates the contradictory management of the environmental challenge in urban areas. The increasing integration of ecological practices does not succeed in implementing a sustainable and operational dimension of spatial planning. There is a tacit and latent conflict of the ecological urban practices of what we could call an « Ecological Glass Ceiling ». Contemporary urban planning practices seems to encounter difficulties to characterize an ecological spatial policy framework which is nor a regulatory and dual zoning (natural areas), neither a wide and scientific concept (biodiversity). Through this Glass Ceiling hypothesis, we will thereby observe how urban ecosystems are still remained unconceived in the on-going urban planning practices
Saffour, Mouhamad-Hayan. "Présentation de documents d'urbanisme et de simulation paysagère en 3D : application à la région urbaine grenobloise". Paris 12, 2007. https://athena.u-pec.fr/primo-explore/search?query=any,exact,990002524970204611&vid=upec.
Pełny tekst źródłaOur research is integrated in a project document of communication in urban planning. This project aims at the creation of a game of regional development, applied here to the guidance plan of the Grenoble urban region which includes five sectors (agglomeration, Voironnais, Bievre, south and Gresivaudan). Since the end of 80's, this region has known an important mutation (high economical and demographical growth), particularly the Gresivaudan valley which was moulted in "little Silicon Valley". However, the area is highly vulnerable to floods' risks, in particular in the agglomeration and the valley of Gresivaudan, because of their strong urbanization and their geographical situation. We tried to develop a methodology, allowing an interactive 3D simulation. It offers the possibility to simulate the development of the project in its real environment to know its impact on the landscape. The landscape finds a new operational use in regional development, especially in the idea of conservation of the environment, with reference to the concept of sustainable development. The proposed methodology uses the GIS (Geographic Information Systems) combined with CAD systems and RV technology. Indeed, the use of these technologies allows realization of a new way of understanding the geographic information and to meet the needs of its users. The experiment of this instrument is carried out on Crolles city, in the Gresivaudan sector proposing two scenarios (densification and di-densification) which are the main elements of a method of forward-looking landscaped. They are based on the continuation of the tendencies of 1982 to 1999. Crolles is one of the most dynamic sectors of the Gresivaudan valley because of its economic and industrial evolution, particularly in the field of the nanotechnologies
Kabil, Hala. "Images satellitaires et indicateurs environnementaux : application urbaine à l'agglomération de Strasbourg entre 1984 et 2001". Strasbourg, 2010. https://publication-theses.unistra.fr/restreint/theses_doctorat/2010/KABIL_Hala_2010.pdf.
Pełny tekst źródłaThe urban development, linked to the growth of population, causes important changes in geographic space. The consequences of urban development have significant impacts on the environment and natural resources. Thus long term observation and relevant analysis tools are required as the use of indicators to assess urbanization consequences. Our goal is to take advantage of multispectral satellite imagery in a process of environmental assessment at the level of the city of Strasbourg. Indicators constructed from satellite imagery might be considered as an interesting spatial approach to study the urban area where the environmental, economic and social issues the most important. The proposed indicators are focused on land surface temperature, abundance of vegetation and impervious surfaces. Their calculation is based on multispectral images processing from Landsat-5&7 on two levels: the analysis of reflectance from vegetation indices and impermeability of soils and the analysis of thermal radiation to calculate the temperature surface. The results of this thesis highlight the potential of multispectral images for a better understanding of the relationship and the exchanges between city and its environment. Analyses of the spatial and temporal variability of spatial indicators enable the description of a given environmental state of the city. The interaction between these indicators can produce a synthetic indicator that provides a spatial vision approximate of areas that may reveal some impacts of the city on its environment
Mehdi, Lotfi. "Structure verte et biodiversité urbaine. : l'espace vert : analyse d'un écosystème anthropisé". Thesis, Tours, 2010. http://www.theses.fr/2010TOUR1804.
Pełny tekst źródłaThis research work focused firstly on the analysis of the green structures, their spatial organization, evolution, management and uses in the area of greater Tours. Secondly, we analyzed the influence of the anthropological activities, particularly management operations and users' practices, on the communities of the lawns of public green spaces. Thirdly, we examined the effect of the urban gradient on the botanical composition of urban afforestations.The spatial analysis of the evolution of the green structures of Tours has demonstrated that green spaces which were not protected by a special status (heritage site, ecological value, flood-risk area, etc.), have disappeared, been split up or become highly artificial. This work highlights the spatial structure of the floristic communities according to the gradient of frequencies in lawns, and the urban gradient in the case of wooded areas. In the presence of intensive management, as with urban lawns, the effect of the environment's variables appears to be reduced
Sangaré, Issa Bakary. "Assainissement urbain, organisation des villes et développement écologique : vers "l'autonomie durable" ?" Tours, 2000. http://www.theses.fr/2000TOUR2028.
Pełny tekst źródłaLajoie, Gilles. "Analyse de l'environnement urbain : exploitation du carroyage pour la statistique spatiale". Rouen, 1989. http://www.theses.fr/1989ROUEL093.
Pełny tekst źródłaAfter having specified the notion of "grid square", we first point out the advantages of this method for the geographical an analysis and its adjustment for the spatial information use; in the same time we evaluate the qualitative and quantitative informations loss. Among the examples of cartography based on grid squares, the British National Grid System remains so far the only national case. Then, we present the example of Rouen from the first steps at a pace of 750m to 500m, to the actual configuration. We precise the modications made on the algorithm of data transfer from the geographical partition to the grid square thanks to the application of a inhabited areas bit map. This is realised with the ventilation of social-demographic INSEE data from the last three censuses. The extend to data base by grid square is the logical result of the experience of rouen: a collaboration beetween different organisms allows the environmental and social variables gathering in order to draw a better frame of urban environment. Finally, we approach the contribution of remote sensing to the bosom of the data base by grid square as a parallel source of data. In conclusion, we present some tools for the analysis of the data base by grid squares. We validate this new geographical information by applying usual data process (ACP. CAH), then we expose specific tools (analysis of contiguous areas, variograms). Finally, we test this geographical data base through to the modelization of intra-urban dynamics with the P. Allen's model applied to the Greater Rouen, which confirm the great advantages of this data structure
Gagné, Guillaume. "De l'autoroute Dufferin-Montmorency au boulevard urbain Du Vallon : quels changements?" Master's thesis, Université Laval, 2007. http://hdl.handle.net/20.500.11794/18710.
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