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Academic literature on the topic 'Pollution atmosphérique – Chine'
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Journal articles on the topic "Pollution atmosphérique – Chine"
Guinot, Benjamin. "Pollution atmosphérique et développement urbain en Chine : quelles perspectives ?" Perspectives chinoises 105, no. 4 (2008): 67–76. http://dx.doi.org/10.3406/perch.2008.3674.
Full textGuilhot, Laëtitia, André Meunié, and Guillaume Pouyanne. "Croissance, transition urbaine et pollutions atmosphériques en Chine." Mondes en développement 180, no. 4 (2017): 53. http://dx.doi.org/10.3917/med.180.0053.
Full textDissertations / Theses on the topic "Pollution atmosphérique – Chine"
Argouges, Odile d'. "Mise en place d'une mesure rapide de la composition chimique de l'aérosol en zone urbaine : étude en mégapoles." Paris 7, 2009. http://www.theses.fr/2009PA077206.
Full textThe continuous population growth in urban area is accompanied by an increasing number of megacities especially in South East Asia. These urban regions form intense pollution spots with a particular concern for atmospheric particles. To evaluate their impact on climate, environment or human health, studies to document main sources and fast transformations of pollutants are mandatory. This may be obtained by quasi real time measurements of chemical composition. In this context, the present work shows the development and the qualification of a field instrumental package that has been built to retrieve aerosol chemistry on short duration scales. The package is composed of a PILS-IC (Particle-Into-Liquid-Sampler) for ion measurement, a thermo- optical analyser for EC and OC (EC-OC Sunset Field Analyzer), a PILS-TOC for water soluble OC measurements and a TEOM-FDMS for artefact free mass measurement. Optimisation and qualification of the instrument package are presented, followed by an evaluation of its potential using results of two field campaigns Paris (June 2007) and Beijing (August 2007) conducted at two different stages of its development. This package now allows PM-2. 5 mass and optical reconstructions on one-hour basis and provides data able to help for source identification (local vs regional, primary vs secondary) and a better understanding of organic aerosol properties (water solubility)
Xue, Chaoyang. "Les sources de HONO atmosphérique rural et leur impact sur la qualité de l'air régional dans la Plaine de Chine du Nord." Electronic Thesis or Diss., Orléans, 2020. http://www.theses.fr/2020ORLE3107.
Full textAir pollution is still an environmental problem that urgently needs to be solved in the North China Plain (NCP). With the aim to explore nitrous acid (HONO) formation and its impact on regional air quality in the NCP, the development and systematic assessment of instruments to measure atmospheric HONO concentration and soil HONO emission flux were realized. Based on field measurements, a 3D chemistry-transport model (the Community Multiscale Air Quality Modeling System, CMAQ) and a box (0D) model (Master Chemical Mechanism, MCM) were used to explore the HONO budget and its impact on regional air pollution, e.g., summer ozone (O3) pollution and winter haze pollution. We found that agricultural soil was an important HONO source with a significant impact on regional O3 pollution in the summertime. A new soil HONO emission mechanism related to nitrification was proposed. HONO also plays an important role in atmospheric oxidizing capacity and deteriorating regional air quality in the wintertime
Ham, Cécile. "Les émissions dans l'air et dans l'eau des centrales thermiques littorales et la protection de l'environnement - Approche de droit comparé France-Chine." Thesis, université Paris-Saclay, 2021. http://www.theses.fr/2021UPASH003.
Full textApplicable law to thermal power plants involves many environmental issues. If air pollution and climate change are the most well-known issues, water pollution is also one of them. Environmental protection, whether in French or Chinese law, is achieved in different ways depending on the stage of the plant’s life but also on the environment that seeks to be protected. If they are many similarities between French law and Chinese law, many differences also exist.In the case of the future construction of these plants in general, or of a specific plant project, the way of protecting the environment has undergone significant changes in recent years. If the level of protection is still largely local nowadays, it tends to become more and more global by taking increasing amount of elements when the power plant project is carried out. In the case of daily air and water emissions from thermal power plants in operation, some environmental protection is ensured by limiting them. The limitation mainly involves the setting of emission limits which try to be gradually lowered. These form the fundamental foundation of this daily protection and are complemented by other legal tools. Finally, this protection of the environment requires vigilance through the emissions monitoring system but also through anticipation linked to the possible malfunction of the power plant and the post-operation period of it
Su, Xiaoli. "Analyses of aerosol characteristics over east Asia using POLDER observations." Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10087/document.
Full textThis thesis is devoted to analyze aerosol distribution and variability over East Asia based on PARASOL aerosol products over land. We first compared PARASOL Aerosol Optical Depth (AOD) with fine mode AOD (particles radius ≤ 0.30 μm) computed from AERONET (Aerosol Robotic Network) inversions over 14 sites. The rather good correlation observed over land demonstrates the remarkable sensitivity of PARASOL retrievals to the smaller fraction of fine particles, mostly originating from anthropogenic sources. We analyzed the characteristics and seasonal variation of aerosol distribution over East Asia considering four years of PARASOL Level 2 data (March 2005 to February 2009). Our study shows that the spatial distribution of fine-mode aerosols over East Asia, as retrieved from PARASOL, is highly associated with human activities. Our work also evidenced a strong variability of seasonal fine-mode AOD patterns with geographical locations. Finally, the inter-annual variation during 2003-2009 periods of summer fine-mode AOD over North China, in particular the Beijing City region, was analyzed for the contribution to evaluating the regional impact of emission reduction enforced in Beijing during the 2008 Olympic Summer Games. We found that summer average of fine-mode AOD exhibited relatively higher values in 2003, 2007 and 2008. The inter-annual variation patterns of monthly averaged AOD (June to August) shows that June generally exhibits the strongest variation and varies similar to July, but differs from August. As reference, measured total AOD and fine mode AOD computed from AERONET inversions in summer are also discussed for the Beijing City region