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Auswahl der wissenschaftlichen Literatur zum Thema „Niveau des eaux – Modèles mathématiques“
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Zeitschriftenartikel zum Thema "Niveau des eaux – Modèles mathématiques"
Yao, Théodore Koffi, Olivier Fouché, Emmanuel Konan Kouadio, Marie-Solange Oga und Théophile Lasm. „Modélisation de la surface piézométrique des aquifères fissurés en zone de socle précambrien métamorphisé : cas du bassin versant du Sassandra (sud-ouest de la Côte d’Ivoire)“. Revue des sciences de l’eau 28, Nr. 2 (07.07.2015): 105–17. http://dx.doi.org/10.7202/1032293ar.
Der volle Inhalt der QuelleRobert, C., O. Banton, P. Lafrance und J. P. Villeneuve. „Analyse de sensibilité paramétrique d'un modèle simulant le transport de pesticide dans le sol“. Revue des sciences de l'eau 5, Nr. 2 (12.04.2005): 197–210. http://dx.doi.org/10.7202/705128ar.
Der volle Inhalt der QuelleHubert, P., P. Olive und S. Ravailleau. „Estimation pratique de l'âge des eaux souterraines par le tritium“. Revue des sciences de l'eau 9, Nr. 4 (12.04.2005): 523–33. http://dx.doi.org/10.7202/705265ar.
Der volle Inhalt der QuelleBazer-Bachi, A., E. Puech-Coste, R. Ben Aim und J. L. Probst. „Modélisation mathématique du taux de coagulant dans une station de traitement d'eau“. Revue des sciences de l'eau 3, Nr. 4 (12.04.2005): 377–97. http://dx.doi.org/10.7202/705081ar.
Der volle Inhalt der QuelleHOCH, T., P. PRADEL und J. AGABRIEL. „Modélisation de la croissance de bovins : évolution des modèles et applications“. INRAE Productions Animales 17, Nr. 4 (05.10.2004): 303–14. http://dx.doi.org/10.20870/productions-animales.2004.17.4.3605.
Der volle Inhalt der QuelleNarasiah, S., J. Shoiry und C. Morasse. „Effets des variations des températures saisonnières sur les modifications des phosphates dans des eaux usées“. Revue des sciences de l'eau 1, Nr. 4 (12.04.2005): 305–20. http://dx.doi.org/10.7202/705014ar.
Der volle Inhalt der QuelleTidjani, A. E. B., D. Yebdri, J. C. Roth und Z. Derriche. „Exploration des séries chronologiques d’analyse de la qualité des eaux de surface dans le bassin de la Tafna (Algérie)“. Revue des sciences de l'eau 19, Nr. 4 (17.01.2007): 315–24. http://dx.doi.org/10.7202/014418ar.
Der volle Inhalt der QuelleLeduc, Roland, und Van-Thanh-Van Nguyen. „L’abattement des bactéries coliformes dans les étangs aérés facultatifs — 1. Cinétique, modélisation et variables biotiques“. Water Quality Research Journal 25, Nr. 2 (01.05.1990): 201–30. http://dx.doi.org/10.2166/wqrj.1990.012.
Der volle Inhalt der QuellePIEL, S., D. NEYENS, A. PENASSO, J. SAINTE-MARIE und F. SOUILLE. „Modélisation des remontées de chlorures le long d’un fleuve pour une optimisation de la gestion de la ressource“. Techniques Sciences Méthodes, Nr. 12 (20.01.2021): 33–51. http://dx.doi.org/10.36904/tsm/202012033.
Der volle Inhalt der QuelleLarocque, M., und O. Banton. „Gestion de la contamination des eaux souterraines par les fertilisants agricoles: application du modèle AgriFlux“. Revue des sciences de l'eau 8, Nr. 1 (12.04.2005): 3–20. http://dx.doi.org/10.7202/705210ar.
Der volle Inhalt der QuelleDissertationen zum Thema "Niveau des eaux – Modèles mathématiques"
Ma, Qiang. „Etude sur le transport d'énergie thermique à bas niveau à longues distances par procédé d'absorption ammoniac-eau“. Chambéry, 2009. http://www.theses.fr/2009CHAMS016.
Der volle Inhalt der QuelleIn this thesis, the object is to evaluate the potentials and the performances of the ammonia-water absorption processes in the transportation of low-grade thermal energy over long distance. First of all, it contains the already employed systems for the transportation of low-grade thermal energy over long distance and understands their limitations. After this state-of-the-art introduction, the mathematical model of the ammonia-water absorption system is presented. The analysis of the performance of the transportation of low-grade thermal energy over long distance with this kind of systems is detailed. The output temperatures ranges are presented. The impact of the transportation process on the performance is studied. The investment cost of the transportation pipes was evaluated. Novel ammonia-water absorption cycles are proposed for the revalorization of the low-grade thermal energy. And then, a small-scale prototype is installed to experimentally verifier the thermodynamic feasibility. In order to complete the study, the economical analysis is realized
Chidepudi, Sivaramakrishnareddy. „Deep learning fοr the simulatiοn, recοnstructiοn & prοjectiοn οf grοundwater level variatiοns“. Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR050.
Der volle Inhalt der QuelleAccurate groundwater level (GWL) simulations facilitate reconstructions and projections for analysing historical and future groundwater trends and variability at the decadal scale. In this thesis, we investigate the use of deep learning (DL) approaches for GWL simulations, reconstructions, and projections, with a focus on capturing low-frequency variability and leveraging climate reanalysis and GCM model outputs. A wavelet-assisted DL framework was developed, using the Maximal Overlap Discrete Wavelet Transform (MODWT) as a pre-processing step to decompose input signals. We specifically evaluated advanced DL models, including Long Short-Term Memory (LSTM), Gated Recurrent Unit (GRU), and Bidirectional LSTM (BiLSTM), for single-station and multi-station approaches. The single station approach results indicated that MODWT-assisted GRU models allowed for extracting low-frequency information and significantly outperformed standalone models in simulating GWLs, particularly for inertial-type GWL. The Shapley Additive Explanations (SHAP) technique was used to interpret model outputs and highlight important input features. For long-term GWL reconstructions, DL models were trained on ERA5 and ERA20C climate reanalysis datasets, enabling reconstructions up to 1900 and 1940, respectively. These DL-based models were able to capture multi-decadal variability in all reconstructed GWLs. Several multi-station training approaches and clustering were used for large-scale GWL simulations, incorporating dynamic climatic variables and static aquifer characteristics. Models specifically trained on different GWL types, clustered by spectral properties, performed significantly better than those trained on the whole dataset. Finally, A multi-station GRU model trained for each GWL type with boundary-corrected MODWT (BC-MODWT) pre-processing was used to generate projections until 2100. Future changes show decreasing trends in groundwater levels and variability, intensifying from SSP2-4.5 to SSP5-8.5, despite projected groundwater levels being higher on average compared to the historical period in all scenarios. We explain this seemingly counter-intuitive result by the fact that projected levels are systematically much higher at the beginning of the future period (up to ~2050) compared to the historical period. Finally, our results indicate that the variability of annual-type aquifers has increased for all emission scenarios
Saba, Marianne. „Développement et élaboration de méthodes de traitement de données de terrain et de modèles hydrodynamiques et hydrodispersifs dans une optique de développement durable en matière de gestion de l’eau au Nord du Liban“. Thesis, Lille 1, 2014. http://www.theses.fr/2014LIL10055/document.
Der volle Inhalt der QuelleThe increasing population in Tripoli and its surrounding has placed an increase in the demand of groundwater and the random drilling of wells. This situation has resulted in a higher demand of groundwater and thus endangered the Miocene aquifer that will cause problems unless serious steps for the management of water resources are implemented. These steps should include defining stringent characterization of the properties of the aquifer in order to properly manage the quality & quantity of pumped water.Our aim in this study is to analyze the hydrochemical, hydro physical quality,& water level of groundwater in the Miocene aquifer in the North of Lebanon. The results have shown that the dominant type of groundwater in the area is highly chlorinated with sulfated calcium and magnesium with heavily charged Nitrate & Nitrite. The spatial distribution of the physiochemical parameters obey an increasing pattern westwards towards the Mediterranean Sea. During the last decades, illegal groundwater pumping mainly for domestic and agricultural use has caused groundwater quality degradation due to saline water intrusion from western areas .In order to study the origin and the hydrochemical aspect of groundwater, Phreeq C & Diagram software helped us determine the properties ;as for the water level Aquitest software was used.GIS ,Surfer & Visual Modflow softwares were used to generate maps locating the spatial distribution of all parameters & most importantly the modeling of the potentiometric map of the North. The end result was the determination of anthropogenic & naturogenic sources of water pollution in the North of Lebanon & the formation of the piezometric map of the region
Hou, Xiaoping. „Composite element method for modelling transient groundwater flow in fractured media and its application to slope stability problem“. Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10051/document.
Der volle Inhalt der QuelleThis thesis presents a comprehensive numerical method for analyzing transient groundwater flow in porous and fractured media and its application to the analysis of the stability of soil and rock slopes subjected to transient groundwater flow induced by reservoir drawdown conditions. Compared to that of porous media, the analysis of flow in fractured media is relatively complex, due to the presence of a large number of fractures and strong variations in geometric and hydraulic properties.The thesis is organized in six chapters. Chapter 1 presents the issues to be addressed and the thesis objectives. Chapter 2 discusses basic theories related to the numerical analysis of groundwater flow in fractured media and its effects on slope stability.Chapter 3 develops the numerical model of transient, saturated flow in fractured media with a free surface using the composite element method (CEM). Chapter 4 presents the numerical model of transient, variably-saturated flow in fractured media using the CEM.Chapter 5 includes an investigation of the stability of homogeneous soil slopes under drawdown conditions, depending on the drawdown rate, hydraulic and strength parameters of soils, and slope geometry.The last chapter presents a parametric study on the influence of fracture characteristics on transient flow and stability of layered rock slope subjected to drawdown conditions
Volpe, Laurent. „Conception en vue de test : du niveau comportemental au niveau transferts de registres“. Montpellier 2, 1999. http://www.theses.fr/1999MON20163.
Der volle Inhalt der QuelleBuil, Nathalie. „Modélisation tridimensionnelle du transport de polluants dans les écoulements à surface libre“. Lyon 1, 1999. http://www.theses.fr/1999LYO10059.
Der volle Inhalt der QuelleJabbour, Daas. „Etude expérimentale et modélisation de la dispersion en champ lointain suite à un rejet accidentel d'un polluant miscible dans un cours d'eau : application à la gestion de crise“. Aix-Marseille 1, 2006. http://www.theses.fr/2006AIX11003.
Der volle Inhalt der QuelleParé-Bourque, Marie. „Gestion des eaux pluviales : qualité des eaux et contrôle en temps réel“. Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20657.
Der volle Inhalt der QuelleAlassir, Mohamad Dib. „Modélisation au niveau système des entrées/sorties d'un système hétérogène“. Paris 6, 2010. http://www.theses.fr/2010PA066005.
Der volle Inhalt der QuelleSimonet, Maria-Ana. „Modélisation des réarrangements V(D)J au niveau du locus TRA/TRD“. Grenoble 1, 2008. http://www.theses.fr/2008GRE10302.
Der volle Inhalt der QuelleT lymphocytes express at their surface an antigen receptor composed by a~ or y8 chains. A TCRa chains are encoded by a variable (V), ajoining (J) and a constant (C) segments which are under the of the control of a specific recombination mechanism called "V(D)J recombination". The VJ combinatorial diversity is unknown and the current state of molecular technology does not allow us to perform an analysis of aIl putative VJ combination or to estimate the frequencies of the functional VJ in mice. To overcome this difficulty we defined a mathematical model fitting experimental data. This model gives new insights on the mIes controlling the use of the V and the J genes and provides a dynamic ca1culation of the VJ combinations. The model proposes an accessibility of the TRAlTRD locus by sûccessive windows of different sizes and with different speed of progression. Furthermore, a possibility of successive secondary rearrangements was introduced. Ln parallel, an experimental analysis of the VJ combination has been performed in humans. From this analysis, the VJ combination profiles are ca1culated and used to validate our simulation program. Ln the future, the model may be use to analysis the variations between sound or altered repertoire
Bücher zum Thema "Niveau des eaux – Modèles mathématiques"
1945-, Gilbert Richard J., und Jacquemin Alexis, Hrsg. Barriers to entry and strategic competition. London: Routledge, 2001.
Den vollen Inhalt der Quelle findenBiological Wastewater Treatment Processes: Mass and Heat Balances. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenDionisi, Davide. Biological Wastewater Treatment Processes: Mass and Heat Balances. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenDionisi, Davide. Biological Wastewater Treatment Processes: Mass and Heat Balances. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenDionisi, Davide. Biological Wastewater Treatment Processes: Mass and Heat Balances. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenDionisi, Davide. Biological Wastewater Treatment Processes. Taylor & Francis Group, 2020.
Den vollen Inhalt der Quelle findenTechniques for Measuring Income Inequality. Ashgate Publishing, 1994.
Den vollen Inhalt der Quelle findenFundamentals of environmental discharge modeling. Boca Raton: CRC Press, 1999.
Den vollen Inhalt der Quelle findenImpacts of sea-level rise and climate change on the coastal zone of southeastern New Brunswick. Moncton, N.B: Environment Canada, 2006.
Den vollen Inhalt der Quelle findenThe City 78 Vols. Routledge, 2007.
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