Academic literature on the topic 'Lac de barrage hydroélectrique'
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Journal articles on the topic "Lac de barrage hydroélectrique"
Meledje, NH, KL Kouassi, YA N'go, KM Kouassi, I. Savane, and K. Aka. "Caractérisation des apports sédimentaires et morphologie du lac du barrage hydroélectrique d’Ayame 1 (Sud-Est Côte d’Ivoire)." International Journal of Biological and Chemical Sciences 8, no. 3 (October 20, 2014): 1290. http://dx.doi.org/10.4314/ijbcs.v8i3.42.
Full textGeorges, Blahoua Kassi, Adou Yedehi Euphrasie, Gogbé Zeré Marius, and N’Douba Valentin. "Régime Alimentaire De Hemichromis Fasciatus (Perciformes, Cichlidae) Dans Le Lac De Barrage Hydroélectrique D’ayamé 2 (Côte D’ivoire)." European Scientific Journal, ESJ 13, no. 30 (October 31, 2017): 126. http://dx.doi.org/10.19044/esj.2017.v13n30p126.
Full textAdou, Yedehi Euphrasie, Kassi Georges Blahoua, Mamadou Bamba, Stanislas Silvain Yao, Essetchi Paul Kouamelan, and Valentin N’douba. "Premières données sur l’inventaire du peuplement ichtyologique d’un lac ouest Africain situé entre deux barrages hydroélectriques: Lac d’Ayamé 2 (Côte d’Ivoire)." Journal of Applied Biosciences 110, no. 1 (May 16, 2017): 10808. http://dx.doi.org/10.4314/jab.v110i1.11.
Full textEDF Production Transport. "Présentation de l'aménagement hydroélectrique du Pouget et du barrage de Pareloup (Aveyron)." Hydroécologie Appliquée 6 (1994): 1–7. http://dx.doi.org/10.1051/hydro:1994001.
Full textRapin, Anne, Marion Rabiet, Malgorzata Grybos, Brice Mourier, Alexis Fay, Tim Kestens, and Véronique Deluchat. "Distribution spatiale et mobilité du phosphore sédimentaire dans une retenue hydroélectrique." Revue des sciences de l’eau 30, no. 1 (June 8, 2017): 71–76. http://dx.doi.org/10.7202/1040066ar.
Full textPrémont, Marie-Claude, and Marc-Urbain Proulx. "L' hydroélectricité du Québec et les grandes régions productrices." Revue Organisations & territoires 29, no. 1 (May 12, 2020): 83–97. http://dx.doi.org/10.1522/revueot.v29n1.1128.
Full textRobert, Bruno, and Jean-Jacques Paré. "Rupture du barrage du lac Beloeil: causes et conséquences." Canadian Journal of Civil Engineering 22, no. 3 (June 1, 1995): 506–13. http://dx.doi.org/10.1139/l95-059.
Full textKouassi, Koffi Dongo, Moustapha Diaby, Yaya Soro, and Konan N’da. "Faune ichtyologique du lac de barrage Solomougou (Korhogo, Côte d'Ivoire)." International Journal of Biological and Chemical Sciences 14, no. 7 (December 4, 2020): 2528–37. http://dx.doi.org/10.4314/ijbcs.v14i7.13.
Full textCôté, R., D. Bussières, and P. Desgagnés. "Distribution spatio-temporelle du phytoplancton et du zooplancton dans le lac Saint-Jean (Québec), un réservoir hydroélectrique." Revue des sciences de l'eau 15, no. 3 (April 12, 2005): 597–614. http://dx.doi.org/10.7202/705471ar.
Full textLarocque, Gérard, Q. H. J. Gwyn, and André Poulin. "Évolution des lacs proglaciaires et déglaciation du Haut Saint-François, sud du Québec." Géographie physique et Quaternaire 37, no. 1 (November 29, 2007): 85–92. http://dx.doi.org/10.7202/032500ar.
Full textDissertations / Theses on the topic "Lac de barrage hydroélectrique"
Rapin, Anne. "Mobilité du phosphore sédimentaire en contexte de retenues de barrage hydroélectrique." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0097.
Full textInternal sedimentary phosphorus (P) load cause delay time in eutrophication recovery, especially in dam-reservoir systems where P stock are important. Then, the study of sedimentary P mobility in dam-reservoirs allow to better explain P geochemistry in this context and further to adapt management restauration policies. This study highlights the impact of three cascade dams (Age Complex, Creuse, France) on the distribution of sedimentary P along a fluvial continuum. In the impoundments studied, TP levels averaged 1.59 ± 0.51 mgP /g DW and increased towards dams. This contrast with the low and constant concentrations observed in the fluvial parts. In reservoirs, chemical fractionation showed that more than 50% of the extracted P was associated with the ascorbate fraction. The association of P to amorphous Fe oxi-hydroxides in the fine particles accumulated closed to the dam is the major factor explaining the longitudinal variations of the TP contents. In addition, the high levels of P associated with these redox-sensitive phases and the development of a hypoxic hypolimnion in studied reservoirs reveal the high potential for sediment P mobilization. Moreover, in aerobic conditions, a risk of mobilization resulting from an equilibrium concentration between solute and solid fraction exists. The determination of the EPC0 threshold value underlined the spatial evolution of the sink / source role of the sediment with respect to the P, between the reservoirs of the same complex. Finally, the study of sedimentary P mobility in the laboratory, following two successive aerobic and anaerobic cycles, showed that redox potential oscillation observed in the reservoirs, favors the mobilization of the sedimentary P. The geochemistry of iron and the quality of dissolved organic matter appear to be involved in the mobility of P
Qsair, Zoubida. "Le barrage d'Eguson, cas révélateur de changement de paradigme environnemental : un lac et son bassin face aux enjeux de l'eutrophisation." Thesis, Orléans, 2019. http://intranet.univ-orleans.fr/bibliotheques/theses/zoubida-qsair_4809_vm.pdf.
Full textSome reservoir lakes undergo a permanent evolution of their uses; varies from energy production to recreational use; this is the case for the Eguzon dam lake, also called Lac Chambon, built in the foot hills of the Massif Central. Despite a very controversial construction at the beginning of the 20th century, the dam appears to be socially acceptable because of its socioeconomic anchorage in its territory. One of the objectives of the thesis is to use the remarkable case of its long existence to understand the change of environmental paradigm, between the time of its construction, productivist vision, then the current era, marked by a seaside tourism valorization curbed by environmental problems, its advanced eutrophication and its proliferation of cyanobacteria, which weakens its social acceptability.To evaluate the trophic status of Chambon Lake and to understand the process of its cyanobacterial blooms, we proposed a new index of trophic status composed of five variables and the application of a limnological geography approach from two scales, the scale of the lake combined at the scale of its watershed. Sampling campaigns were conducted at these two scales using two limnological methods, buoy thermistance, multi-parameter probe; the monitoring of the algal mass by fluorescence, FluoroProbe; a multi-parameter photometer for monitoring nutrients and the Secchi Disk for monitoring transparency.At the lake-reservoir scale, this thesis evaluates the role of its limnic and biochemical functioning in its cyanobacterial blooms. At the scale of the lake's watershed, this work confirms that Lake Chambon is under the influence of its watershed for all inputs, including nutrients. The long-term cause of the degradation of its water qualityis the fact of its river tributaries, its lacustrine waters being only a revealer of the problem, because of their capacity of less self-purification
Cailleaud, Emilie. "Cycles du carbone et de l’azote et émissions de gaz à effet de serre (CH4, CO2 et N2O) du lac de barrage de Petit Saut et du fleuve Sinnamary en aval du barrage (Guyane Française)." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30379.
Full textInland waters are sources of methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2O). In order to define their importance in the global balance of greenhouse gases (GHG) emissions, numerous studies have been conducted to quantify the different fluxes of the carbon and nitrogen browsing them. These fluxes are modified by the creation of dams on river beds. Few studies present full carbon and nitrogen balances (inputs, outputs, fluxes to the atmosphere and sequestration) for reservoirs, and they concern only boreal and temperate ecosystems. The creation of a dam floods organic matter (OM) (soils and forests), which is rapidly degraded the first years following the impoundment and thereafter more slowly. The state of degradation of the OM and the main source of GHG in a reservoir nearly 20 years after impoundment are often unknown. The study conducted 18 years after the impoundment of the Petit Saut Reservoir (French Guiana) is the first study where the main elements of carbon and nitrogen cycles of an hydroelectric reservoir, and its river downstream, located in equatorial climate and which creation resulted in the flooding of primary forest, are studied nearly 20 years after impoundment. This study is based on (i) a monthly measurement of water quality and carbon and nitrogen concentrations upstream, in, and downstream of the reservoir, (ii) measurements and/or calculations of the different fluxes of GHG through the atmosphere, (iii) data of the isotopic signature and of the state of degradation of OM upstream, in, and downstream of the reservoir, (iv) sediments and 1994’s flooded tree trunks sampling and (v) incubations of downstream river water, sediments and tree trunks from the reservoir. All the data collected during the 12 months of campaigns carried out in 2012 - 2013 allowed us to determine that (i) flooded soils are still significant sources of GHG unlike flooded tree trunks, (ii) in the reservoir 84 % of CH4 emissions and 51 % of CO2 emissions occur in the littoral zone (< 10 m depth), (iii) 54 % of the CO2 produced in the river downstream of the dam come from the degradation of the OM provided by the reservoir. This study also allowed us to achieve carbon and nitrogen balances in Petit Saut and emission balance of each GHG emitted (CH4, CO2, N2O) nearly 20 years after impoundment
Guérin, Frédéric. "ÉMISSION DE GAZ A EFFET DE SERRE (CO2, CH4) PAR UNE RETENUE DE BARRAGE HYDROÉLECTRIQUE EN ZONE TROPICALE (PETIT-SAUT, GUYANE FRANÇAISE) :EXPÉRIMENTATION ET MODÉLISATION." Phd thesis, Université Paul Sabatier - Toulouse III, 2006. http://tel.archives-ouvertes.fr/tel-00079947.
Full textSur 10 ans, les émissions atmosphériques se sont avérées très significatives, notamment les trois premières années ayant suivies la mise en eau, puis décroissent au cours du temps. Tandis que 50% des émissions de CO2 ont lieu à la surface du lac, les émissions de CH4 sont principalement localisées en aval des turbines.
Les émissions atmosphériques résultent de la dégradation de la MO (sol et biomasse issus de la forêt tropicale) immergée lors de la mise en eau et leur diminution au cours du temps découle de l'épuisement du stock de MO. Au terme de 10 ans, 20% du stock de carbone a été minéralisé et émis vers l'atmosphère sous forme de CO2 et de CH4. L'oxydation aérobie du CH4 transforme plus de 95% du CH4 diffusant depuis l'hypolimnion en CO2 dans la colonne d'eau du lac et 40% du CH4 entrant dans la rivière à l'aval. A l'échelle du barrage ce processus est responsable de l'oxydation de 90% du CH4 produit et de 30% des émissions totales de CO2. Le CH4 et le CO2 qui atteignent les eaux de surface du barrage sont émis vers l'atmosphère par flux diffusifs. L'étude de ce processus de transfert gazeux à l'interface air-eau montre que, en milieu tropical, les flux diffusifs sont accélérés par les fortes températures et les phénomènes pluvieux.
Le modèle est basé sur le modèle hydrodynamique SYMPHONIE 2D et les modules biogéochimiques développés dans le cadre de cette étude à partir des données cinétiques des processus étudiés. Les profils verticaux simulés de température, d'oxygène, de CO2 et de CH4 sont bien reproduits. Ce modèle pose les bases d'un outil opérationnel de modélisation pour la retenue de Petit Saut ainsi que pour d'autres réservoirs en milieu tropical.
Groga, Noël. "Structure, fonctionnement et dynamique du phytoplancton dans le lac de Taabo (Côte d'Ivoire)." Phd thesis, Toulouse, INPT, 2012. http://oatao.univ-toulouse.fr/6981/1/Groga.pdf.
Full textGuérin, Frédéric. "Emission de gaz à effet de serre (CO2,CH4) par une retenue de barrage hydroélectrique en zone tropicale (Petit-saut, Guyane française) : expérimentation et modélisation." Toulouse 3, 2006. https://tel.archives-ouvertes.fr/tel-00079947.
Full textThe emissions of carbon dioxide (CO2) and methane (CH4) and the carbon cycle in the Petit-Saut reservoir and in the Sinnamary River (French Guiana) were studied with an aim of developing a coupled physical/biogeochemical model. The development of this model required the study of three processes controlling these emissions: (i) CO2 and CH4 production during the mineralization in anoxic condition of organic matter (OM) from soils and plants, (ii) aerobic CH4 oxidation in the water column of the lake and (iii) the processes involved in gas exchange at the air-water interface. Over 10 years, atmospheric emissions were shown to be very significant, in particular the first three years having followed the reservoir impoundment and then decreased with time. While 50% of the CO2 emissions take place at the surface of the lake, the emissions of CH4 are mainly localized downstream from the turbines. The atmospheric emissions result from the degradation of OM (soil and biomass originating from the tropical forest) flooded during impoundment and their reduction with time rises from the exhaustion of the OM stock. 10 years after impoundement, 20% of the carbon stock were mineralized and emitted to the atmosphere in the form of CO2 and of CH4. Aerobic CH4 oxidation transforms more than 95% of the CH4 diffusing upward from the hypolimnion into CO2 in the water column of the lake and 40% of the CH4 entering the river downstream of the dam. In the whole Petit Saut system, this process is responsible for the oxidation of 90% of the produced CH4 and 30% of the total CO2 emissions. The CH4 and CO2 which reach the water surface of the reservoir and of the river downstream of the dam are emitted to the atmosphere by diffusive flux. The study of this process of gas transfer to the interface air-water shows that, in tropical environment, diffusive fluxes are enhanced by the elevated temperatures and the rainy phenomena. The model is based on the hydrodynamic model SYMPHONY 2D and the biogeochemical model developed during this study starting from the kinetic data of the studied processes. The simulated vertical profiles of temperature, oxygen, CO2 and CH4 are well reproduced. This model poses the bases of an operational tool of modeling for the Petit-Saut reservoir like for other reservoirs in tropical environments
Fournier, Judith. "Estimation de l'évaporation des réservoirs hydroélectriques boréals en contexte de données limitées." Master's thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/67912.
Full textHydroelectric reservoirs around the world are managed using hydrological models to calculate water inflows and outflows. Evaporation on these reservoirs is typically neglected or calculated in the same way as evapotranspiration over the entire watershed, although the processes governing the two phenomena are different. A better quantification of evaporation is of growing interest in Quebec and internationally due to climate change, which is causing an increase in water losses by evaporation on reservoirs. This study therefore examines various evaporation models for open water bodies, taking into account the practical context in which hydrological models are generally operated, that is with low availability of input data. The study focuses mainly on two reservoirs with contrasting morphometries and located in the Canadian boreal zone, Eastmain-1 and Romaine-2. For this purpose, a set of observed evaporation data obtained using a direct measurement technique called eddy covariance, is used as a reference. Of all the approaches considered, the mass transfer model with a constant Dalton number of 1.2 x 10⁻³ gives the most accurate estimation of evaporation at hourly time steps. Daily totals are also estimated with good accuracy both during the warming of the water body in spring and during the energy release period in fall. Sensitivity analysis show that the use of this model with limited data is possible, at least for the two reservoirs studied. These limited data consist of air temperature and relative humidity taken on land in the vicinity of the reservoir, water surface temperature measured in situ, and wind speed at a height of 10 m taken from the bank of the reservoir facing the prevailing winds. The application of the model on Lake Leman, located in a more temperate region, also gives good results.
Matthey-Doret, Samuel. "Régulation de niveau du lac de retenue du barrage de la Souste /." Sion, 2006. http://doc.rero.ch/search.py?recid=8347&ln=fr.
Full textDesgagné, Patrice. "Aspects de la productivité primaire et secondaire d'un réservoir hydroélectrique québécois, le lac Saint-Jean." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0001/MQ43287.pdf.
Full textFtatsi, Mbetmi Guy-De-Patience. "Fiabilité résiduelle des ouvrages en béton dégradés par réaction alcali-granulat : application au barrage hydroélectrique de Song Loulou." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30116/document.
Full textThis work proposes a multi-scale methodology based on the use of surrogate models function of random variables, to evaluate the residual reliability of concrete structures suffering from alkali-aggregate reaction (AAR), for a better maintenance purpose. Surrogate models, based on polynomial chaos expansion of the parameters of a shape function (sigmoid in the studied cases), have been constituted at several scales, in particular in order to reduce computation time of the underlying physical models. At the microscopic scale, the AAR model employed is that developed by Multon, Sellier and Cyr in 2009, initially comprising about twenty potential random variables. At the end of a Morris sensitivity analysis, the surrogate model enables to reproduce the expansion curve over time of the representative elementary volume as a function of nine random variables. The use of the built-in surrogate model in predicting the mechanical effects of AAR expansion on a concrete core required to take into account the anisotropy of these effects by improving the weight functions proposed by Saouma and Perotti in 2006. The core's scale being validated by the comparison of the predictions with the experimental data of Multon's thesis work, an application at the scale of the Song Loulou dam was undertaken. The computation of the thermo-chemo-mechanical behavior of a spillway stack, whose results in displacement could be compared with the auscultation data provided by the company AES-SONEL (now ENEO), was realized. Surrogate models were then constructed at the scale of the structure to obtain displacements at the points of interest, related to the operating limit states of the spillways, and thus to estimate the residual reliability of the dam. The sensitivity analysis computations as well as the construction of the surrogate models were implemented in Fortran, Java and OpenTURNS. Computations on concrete cores and Song Loulou dam spillway were performed under Cast3M
Books on the topic "Lac de barrage hydroélectrique"
Kialo, Paulin. Un projet de barrage hydroélectrique au Gabon: L'affaire Kongou. Paris: L'Harmattan, 2013.
Find full textBort-les-Orgues, les mots sous le lac : Récits et témoignages d'avant le barrage. Privat, 2012.
Find full textReports on the topic "Lac de barrage hydroélectrique"
Götz, Konrad, Ueli Haefeli, and Daniel Meierhans. Synthèse thématique «Force hydraulique et marché» du PNR «Energie». Swiss National Science Foundation (SNSF), December 2019. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2019.6.fr.
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