Academic literature on the topic 'Bassin d’eau'
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Journal articles on the topic "Bassin d’eau"
CAUSSE, J., and O. THOMAS. "Intérêt de la mesure de la qualité des cours d’eau à très haute résolution pour une meilleure gestion des bassins versants." Techniques Sciences Méthodes, no. 4 (April 20, 2020): 13–18. http://dx.doi.org/10.36904/tsm/202004013.
Full textDEFO, C., V. DANG MVONGO, A. NARE RAYIM WENDÉ, P. F. NGUEMA NGUEMA, B. EFON, A. L. KAMEGNE KAMTOH, and J. O. DOMDJANG. "Dynamiques de l’occupation des sols et leurs effets sur l’eau de surface du bassin versant de la Kienké, Sud Cameroun (Afrique centrale)." 7-8, no. 7-8 (August 22, 2022): 49–64. http://dx.doi.org/10.36904/tsm/202207049.
Full textPIEL, S., D. NEYENS, A. PENASSO, J. SAINTE-MARIE, and F. SOUILLE. "Modélisation des remontées de chlorures le long d’un fleuve pour une optimisation de la gestion de la ressource." Techniques Sciences Méthodes, no. 12 (January 20, 2021): 33–51. http://dx.doi.org/10.36904/tsm/202012033.
Full textBeaufrère, Christian, Pierre Dabos, and Jean-Pierre Rebillard. "Évaluation de l’état de l’hydromorphologie des cours d’eau : retour d’expérience sur le bassin Adour-Garonne (France)." Géographie physique et Quaternaire 61, no. 1 (March 26, 2009): 55–74. http://dx.doi.org/10.7202/029570ar.
Full textGuin, Corinne, Olivier Savoye, and Vincent Kuleza. "Comment concilier multi-usages de l’eau et bon état des milieux aquatiques ? L’exemple du Verdon." E3S Web of Conferences 346 (2022): 04010. http://dx.doi.org/10.1051/e3sconf/202234604010.
Full textSemari, K., and L. Benayada. "Situation des ressources en eau du bassin versant de la Macta (nord-ouest Algérien)." Techniques Sciences Méthodes, no. 9 (September 2019): 65–71. http://dx.doi.org/10.1051/tsm/201909065.
Full textLarue, Jean-Pierre, and Alain Giret. "Les étiages en milieu océanique : exemples dans le bassin de la Maine (France)." Revue des sciences de l'eau 19, no. 4 (January 17, 2007): 395–407. http://dx.doi.org/10.7202/014423ar.
Full textCecchi, Philippe. "Les noms de l’eau." Natures Sciences Sociétés 29, no. 3 (July 2021): 346–55. http://dx.doi.org/10.1051/nss/2021059.
Full textIMFELD, Gwenaël, Sylvain PAYRAUDEAU, Sabine SAUVAGE, Francis MACARY, Cédric CHAUMONT, Jérémie D. LEBRUN, Anne PROBST, José-Miguel SÁNCHEZ-PÉREZ, Jean-Luc PROBST, and Julien TOURNEBIZE. "Quel est le rôle des retenues collinaires pour limiter les flux de pesticides dans le paysage agricole ?" Sciences Eaux & Territoires, no. 43 (October 9, 2023): 49–56. http://dx.doi.org/10.20870/revue-set.2023.43.7792.
Full textPELEBE, Rodrigue O. E., Issa N. OUATTARA, Eloi Y. ATTAKPA, Bernardin W. DIMON YAI, Jonas C. F. DASSOUNDO-ASSOGBA, Ibrahim IMOROU TOKO, and Elie H. MONTCHOWUI. "Caractérisation de l’état actuel et des modes d’exploitation des retenues d’eau au Bénin." Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie 9, no. 2 (December 31, 2019): 1–14. http://dx.doi.org/10.56109/aup-sna.v9i2.50.
Full textDissertations / Theses on the topic "Bassin d’eau"
Grusson, Youen. "Modélisation de l’évolution hydroclimatique des flux et stocks d’eau verte et d’eau bleue du bassin versant de la Garonne." Phd thesis, Toulouse, INPT, 2016. http://oatao.univ-toulouse.fr/15995/1/Grusson_1.pdf.
Full textChtioui, Feryal. "Étude du rafraîchissement passif de bâtiment par l’intégration d’un système de rétention d’eau." Electronic Thesis or Diss., La Rochelle, 2023. http://www.theses.fr/2023LAROS006.
Full textIn this thesis, we have studied water retention techniques on flat roofs for passive cooling of commercial/industrial buildings, and more especially the open roof pond system. This roof pond acts as a heat sink, solar irradiance and building internal heat are converted into latent heat, while water thermal inertia mitigates heat flux peaks. A numerical model has been developed to study the theoretical behavior of an open roof pond. A parametric study has allowed to analyze the different heat and mass transfers between the roof and the external environment, and indoor environment impacts. This has allowed to determine the cooling potential of this technology according to design parameters (water level and radiative properties), location and climate change effects. This numerical study was confronted with an experimental study carried out on a scaled down device, under oceanic climate in La Rochelle (France). This experiment also allows to test other water retention techniques on roof such as the adding of a gravel or a porous material layer, and to compare them to high albedo solutions called "cool roofs". The cooling potential and the performance of these passive solutions have been evaluated experimentally and numerically by various indicators defined compared to a bitumen reference roof. Finally, the roof water retention model was coupled with a typical commercial building, large-scale. A study for different current and future climates, especially during heatwave periods and integrating the use of the rainwater resource has been carried out. The results have shown that the roof pond solution is relevant to reduce summer discomfort whatever the location or the climate and that the maximum potential of this technique is obtained when it is combined with the “cool roof” solution
Miessner, Frédérick. "Analyse économique de la tarification des services d’eau et d’assainissement en France." Paris 10, 2007. http://www.theses.fr/2007PA100013.
Full textThis thesis approaches the problems of the tariffing of the water services in two distinct parts which correspond to the two principal elements of the water invoice: The first part relates to the analysis of the French water Agencies taxes and their role of financing water infrastructures. This is an evaluation of the financial redistribution system managed by the water Agencies. From the point of view of their financial function, impact of the collected taxes (via the water bill) and of subsidies granted finally finance the conformity of the infrastructures of water utilities. From the point of view of their function of incentive to the modification of polluting behaviours, the analysis of the system effectiveness of tax and subsidy must integrate the system of standards of emissions. The second part seeks to quantify the impact of the determinants of the price of the water services using econometric models applied to a database describing the drinking water utilities in 1724 communes of the Seine basin. This model proposes to measure the impact of the management model (public or private) and of the mode of organization (communal or inter-commune level) on the final utility price
Bernard-Michel, Caroline. "Indicateurs géostatistiques de la pollution dans les cours d’eau." Paris, ENMP, 2006. http://www.theses.fr/2006ENMP1367.
Full textIn order to assess river quality, different parameters such as nutrients concentrations are measured in different monitoring stations, setting up a very important but heterogeneous database. The French evaluation system of water quality recommends to summarize the information contained in these measurements by a few statistical indicators such as the annual mean of concentrations or the 90% quantile. They are estimated using the classical statistical inference based on hypothesis proved to be incorrect: time correlations and seasonal variations are ignored. Actually, in France, nitrate concentrations are generally higher in winter. Biases and confidence intervals can be reduced by kriging or segments of influence and a linear interpolation of the empirical quantile is proposed. Methods are analysed theoretically and experimentally on the Loire Bretagne basin. Estimating indicators along a stream network then requires specific models of random functions because usual covariance models are no longer valid on such structures. We propose a global model of random functions along a tree graph introducing the concept of “elementary thin streams”, defined by the whole set of paths between sources and outlet. At each point of the network, the river is considered to be the linear combination of these streams on which one dimensional stationary random functions are defined. An application to water discharge on the Moselle Basin (north-east of France) is presented
Benhamou, Cyril. "Modélisation de l’effet des interactions haies-cultures sur les transferts d’eau et d’azote à l’échelle d’un petit bassin versant agricole." Rennes, Agrocampus Ouest, 2012. http://www.theses.fr/2012NSARD064.
Full textOne negative effect of agricultural intensification for more than fifty years has been water pollution by nitrates, which has environmental and economic consequences. In this context, the agro-ecosystem must develop into innovative systems through a combination of use and preservation of natural resources. Buffers zones, such as hedgerow networks, could be a tool to partially regulate nitrogen flow at the watershed outlet. In Britany (western France), where nearly 60% of hedgerows disappeared from 1960-1980, the issue is particularly important. The problem dealt with here is to quantify, at the watershed scale, the impact of these buffer zones to maximize their value with management-landscape strategies. The assumption is that the hedgerow impact varies depending on its position on the hillslope. Compared to previous studies, the originality of this work has been to focus on hedgerow position in the landscape and therefore its relations with groundwater, associated crops or pastures, as well as the influence of pruning. This work is divided into two parts. The first was to assess the impact of the hedgerow on local variations in soil moisture and hydrological functioning of a hillslope depending on hedgerow position. An experimental site was instrumented in the north of the Ille-et-Vilaine department (Brittany) and monitored for a year (September 2009-September 2010). The second part was to develop a new submodel for hedgerows in the spatially explicit model TNT2. We developed the concept of double-cover cell, which takes into account impact of interactions with crops and pruning. Experimental results showed that hedgerow can be distinguished from other vegetation by its water uptake in deeper soil layers, and that this uptake is affected by management (pruning) of the hedgerow. Close to the hedgerow, when the water table is deep, capillary rise contributes to soil water variations. Local reduction in soil water content and rainfall interception by the hedgerow canopy seems to have an influence on groundwater flow in autumn. The hedgerow submodel was thoroughly tested, and its behavior generally met expectations. The processes identified as important in field studies and the literature review were broadly represented, and their variations due to climatic and topographic conditions were consistent. Model predictions indicated that hedgerow impact on water and nitrogen balances depends on its position in the watershed and the crop associated with it. Competition between the hedgerow and the associated crop increased as water table depth increased, as a function of hedgerow location in the watershed. This competition was partially mitigated by pruning. In contrast, hedgerow presence tended to increase water table depth and soil water deficit, which reduced denitrification and mineralization. Simulations of the-Kervidy Naizin watershed predicted that presence of a hedgerow network reduces annual water and nitrogen flow at the outlet. At shorter time scales, the effect of hedgerows is more pronounced in spring and autumn, when discharge is low
Wawrzyniak, Vincent. "Étude multi-échelle de la température de surface des cours d’eau par imagerie infrarouge thermique : exemples dans le bassin du Rhône." Thesis, Lyon 3, 2012. http://www.theses.fr/2012LYO30092.
Full textIn a context of global warming, understanding the thermal regime of rivers is a key issue. By measuring the radiation in the electromagnetic spectrum of thermal infrared (TIR: 0.4-14µm), TIR remote sensing offers the possibility of obtaining surface temperature maps at multiple scales. The multi-scale approach is thus the guiding principle of this work.First we use satellite thermal infrared images from Landsat ETM+ to investigate longitudinal and temporal variations in the thermal patterns of a large river continuum, the French Rhône (500 km). An automated water extraction technique is developed to remove pixels contaminated by terrestrial surfaces. This method improves the accuracy of our data. The images allow us to understand the thermal effects of tributaries and nuclear power plants: the Isère is the main source of cold water while the Bugey, Saint-Alban and Tricastin nuclear power plants warm the river. We show temperature differences within the largest hydroelectric bypass facilities between the bypass section and the canal. The factors responsible for these differences are the length and minimum flow of the bypass section as well as tributaries coming into this reach.Second, we focus on a shorter river (50 km): the lower Ain in France where four airborne TIR surveys are performed. Based on a statistical analysis of temperature differences between overlapping images we calculate the measurement uncertainty associated with TIR derived profiles. This uncertainty allows for the discrimination between artifacts and real longitudinal thermal trends. To understand these trends, we use a 1D determinist model which predicts water temperature at an hourly time step along a 21 km reach. The model considers heat fluxes at the water-air interface as well as the geometrical and hydraulic characteristics of the river. Based on TIR images, groundwater inputs associated with backwaters and lateral seepages are identified. They are inserted into the temperature model. These groundwater inputs can mitigate high water temperatures during the summer by cooling the river up to -0.6°C when they represent 15.7% of the total discharge.A finer scale is finally explored. The work focuses on nine braided reaches located in the French Alps (1 km) where very high spatial resolution TIR images are acquired. By characterizing the spatial distributions of water temperature, we identify two types of reaches. The first type shows a very low thermal spatial variability throughout the day. Rivers of this type often have a proglacial hydrological regime with high summer flows, which tends to homogenize the temperature. The second type exhibits a higher thermal variability with changes during the day. The temperature of flowing channels changes during the daytime according to the air temperature. In contrast, the temperature of groundwater-fed channels exhibits smaller changes which creates thermal variability over space and time. We propose a method which does not require TIR images in order to identify reaches showing high thermal variability.Through this work, we show that it is essential to combine both spatial and temporal approaches to understand river temperature. Thermometers have been used for many years. Thus, the spatial aspect has often been ignored. TIR remote sensing has allowed a better characterization of spatial thermal patterns. However, to understand these patters it is necessary to consider temporal changes of water temperature. It is also necessary to integrate a more physical approach in order to simulate different scenarios and to assess the importance of the different factors affecting water temperature
Phan, Ha Hai An. "Transfert d’eau et de matière sur un petit bassin versant agricole du Nord Vietnam : suivis à l’échelle pluriannuelle et à l’échelle de la crue." Paris 6, 2009. http://www.theses.fr/2009PA066718.
Full textPrygiel, Émilie. "Impact des remises en suspension du sédiment liées au trafic fluvial en rivières canalisées sur l’état des masses d’eau : application au bassin Artois-Picardie." Thesis, Lille 1, 2013. http://www.theses.fr/2013LIL10110/document.
Full textRivers channelization and creation of linking channels to facilitate industrial development and trade have led to a strong historical pollution and artificialization of aquatic environments that are now subjected to good potential status objectives. Sediment resuspension by navigation, its impact on water quality and the achievement of status are the main concern of this thesis. Sediment and water chemical quality of three channels of Northern France have been studied: the Deûle River, the Sensée River (both navigated) and the Scarpe River (not navigated). The rivers have varying concentrations of P and ETM (overall Deûle ~ Scarpe > Sensée), which are generally well trapped with sulfides in sediments. Although the concentrations of dissolved ETM remain relatively low compared to the levels recorded in the sediment, they can sometimes exceed the environmental quality standards of the WFD. Lability of these ETM estimated by DGT is weak, even for Pb which is however significantly accumulated by caged gammarids deployed on the three sites. The navigation seems to play a limited role in the enrichment of the water column in dissolved metals and phosphorus, as well as the oxygenation of surface waters. Phytoplankton appears to have a greater influence on the evolution of these environments. Finally, the impact of navigation on the chemical quality of the water remains limited due to the peculiar geochemistry of the Artois-Picardie basin
Bhurtun, Pratima. "Dynamique de la qualité des masses d’eau dans le bassin Artois-Picardie : compréhension des mécanismes actuels et prévision des évolutions dans un contexte de changement climatique." Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1R055.
Full textThe River Selle is a non-channelised stream in the Artois-Picardy basin and is considered as a priority waterbody by the Artois-Picardy Water Agency. The aim of this work was to study the spatio-temporal behaviour of several substances at different time scales, ranging from low-frequency (grab sampling, passive samplers) to high-frequency monitoring. More specifically, tracers of pollution reflecting urban, agricultural and industrial contamination (nitrates, phosphates, trace metal elements, pesticides, pharmaceutical residues, dissolved organic matter) were investigated. We confirmed that the River Selle is mainly fed by a nitrate-rich groundwater. Besides, the nitrates and atrazine concentrations in the river water were similar to those found in the groundwater. At the upstream of the river, the land-use is mainly dominated by agriculture whereas most of the urban islets are located at the downstream of the river. Consequently, during dry weather, ultra-trace concentrations of some pesticides and pharmaceutical residues were recorded and phosphate levels often exceeded 0.2 mg L-1. Due to the minor flow input of the wastewater treatment plants into the river, metallic contamination in the River Selle (particularly Gd and Zn) is quite low despite the high concentrations measured in wastewater effluents. Water quality issues during storm events were identified by high-frequency monitoring. Significant but time-limited peaks in phosphorus and organic carbon were observed, while nitrates were diluted. The composition of dissolved organic matter was studied by fluorescence spectroscopy. The spectral signature of different types of water (groundwater, surface water and wastewater effluents) was characterised as well as the origins of this organic matter (autochtonous vs allochthonous). Finally, these results enable to discuss qualitatively the future effects of climate change at a regional scale on the evolution of the water quality of the River Selle
Crenier, Clément. "Vers une réévaluation des facteurs limitant la production biologique dans les cours d’eau de tête de bassin versant : nutriments, acides gras ou qualité du carbone détritique ?" Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0361/document.
Full textDespite their reduced sizes, headwater streams play important roles in the functioning of downstream ecosystems and provide numerous ecological services. Since the River Continuum Concept, the functioning of these streams has been considered as mainly relying on allochthonous supplies of detrital organic matter for their functioning, in contrast with downstream ecosystems of larger size where primary production is considered to be predominant. Despite that detritus represent, by definition, a resource of lower quality for its consumers than living plants, the nature of the factors limiting the biological production and functional processes in these detrital ecosystems remains sparsely explored. First, the lack of essential elements (in particular nitrogen and phosphorus) in detritus could be a major constraint for the development of living organisms in streams. As a result, the availability of mineral elements in the water column, by stimulating the growth and activity of decomposers, but also by increasing the elemental quality of resources through microbial immobilization, could control ecological processes in a higher extent than previously believed in these ecosystems. By studying in situ, the response of microorganisms to nutrients availability along a land-use gradient, our results have shown a positive effect of the dissolved elements (N and P) on the decomposition of leaf litters and the enzymatic activities of the decomposers, even for the highest nutrient levels of the gradient, for which adverse effects were expected. Independently, in streams formerly subjected to acidification, we observed a recovery of the process of leaf litter decomposition. Nevertheless, this recovery was accompanied by a marked N reduction in the ecosystem, huge changes in stream functioning might be expected in the medium to long term. The role of autochthonous primary production was then questioned. Indeed, while being quantitatively minor, this contribution of high quality carbon may play a significant role in the functioning of headwater streams. In particular, the importance and role of polyunsaturated fatty acid (PUFA) intakes via phototrophic biofilms was questioned. Based on a field survey of 15 rivers in the Vosges Mountains along an acidification gradient, our results first showed the presence of diatomic biofilms rich in PUFA, despite these streams are clearly in a forested context. In a second step, an experimentation carried out under controlled conditions permitted to observe the positive role of diatomic resources, even in low concentrations, on the growth and survival of the crustacean amphipod Gammarus fossarum. Without this input, these organisms were unable to maintain their internal levels of PUFAs, suggesting that the consumption of autochthonous primary producers might be essential for these detritivore organisms. All our results permit to highlight the fundamental roles that can be played by the availability of dissolved elements (N and P) and the carbon quality of the resources on the biological production and on leaf litter decomposition in headwater streams. These results stress the need for more profound investigation of the interactions between these two limiting factors, and for understanding in which contexts one factor could supplement the other. In particular, it will be interesting to investigate to what extent various anthropogenic disturbances (xenobiotics, global warming, etc...) could affect the intensity or the nature of these limitations
Book chapters on the topic "Bassin d’eau"
Paugy, Didier. "Écologie des poissons tropicaux d’un cours d’eau temporaire (Baoulé, haut bassin du Sénégal au Mali) : adaptation au milieu et plasticité du régime alimentaire." In Trente ans de lutte contre l’onchocercose en Afrique de l’Ouest. Traitements larvicides et protection de l’environnement, 157–72. IRD Éditions, 2003. http://dx.doi.org/10.4000/books.irdeditions.29211.
Full textde la Croix, Kévin, and Nicolas Verhaeghe. "Chapitre 11. Enjeux et contestations de la cartographie départementale des cours d’eau. L’exemple de la Seine-et-Marne et du bassin-versant de la Beuvronne." In Les cartes de l’action publique, 255–80. Presses universitaires du Septentrion, 2021. http://dx.doi.org/10.4000/books.septentrion.127262.
Full text"Bassins et sous-bassins de cours d’eau et de lacs transfrontières cités dans les rapports." In Progrès en matière de coopération dans le domaine des eaux transfrontières au titre de la Convention sur l’eau, 109–18. United Nations, 2023. http://dx.doi.org/10.18356/9789210057905c015.
Full textConference papers on the topic "Bassin d’eau"
PAUGAM, Caroline, Samuel MEULÉ, Damien SOUS, Vincent FAURE, and Vincent REY. "Évolutions du niveau d’eau en bassin semi-fermé forcées par le niveau de la mer et le vent : exemple de l’étang de Berre." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2020. http://dx.doi.org/10.5150/jngcgc.2020.014.
Full textBaynat Monreal, Maria Elena. "El agua como servicio de alojamientos turísticos: análisis léxico de páginas web comerciales en lengua francesa." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.3570.
Full textMegnounif, A., A. Terfous, A. Ghenaim, and JB Poulet. "Rôle des crues dans la production de sédiments transportés en suspension dans un cours d’eau des bassins versants méditerranéens." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2004. http://dx.doi.org/10.5150/jngcgc.2004.038-m.
Full textEL MOUTCHOU, Brahim, Naima AOURYAGHAL, and Abdelkader BENJBARA. "Problématique de l’envasement des retenues d’eau des barrages des bassins côtiers nord marocains : cas des barrages Nakhla, Smir, Ibn Batouta et M.B.A. El Khattabi (Maroc)." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2014. http://dx.doi.org/10.5150/jngcgc.2014.034.
Full textAguilá-Solana, Irene. "Des eaux qui embellissent : les fontaines dans le Nouveau Voyage en Espagne (1782) de Peyron." In XXV Coloquio AFUE. Palabras e imaginarios del agua. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/xxvcoloquioafue.2016.3099.
Full textReports on the topic "Bassin d’eau"
Doyon, Maurice, Stéphane Bergeron, and Jacinthe Cloutier. Analyse des préférences des résidents-propriétaires de la ville de Québec pour l’aménagement de bassins de rétention à proximité. CIRANO, June 2022. http://dx.doi.org/10.54932/qwaq7409.
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