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Auswahl der wissenschaftlichen Literatur zum Thema „Modèles synoptiques“
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Zeitschriftenartikel zum Thema "Modèles synoptiques"
Vowinckel, E., und Svenn Orvig. „Répercussions météorologiques découlant de modifications naturelles ou délibérées de la surface. Principes généraux et prospectives, région de la Baie James“. Cahiers de géographie du Québec 18, Nr. 45 (12.04.2005): 445–61. http://dx.doi.org/10.7202/021222ar.
Der volle Inhalt der QuelleDavid, Gilbert. „Éléments d’analyse du paratexte théâtral : le cas du programme de théâtre“. L’Annuaire théâtral, Nr. 34 (06.05.2010): 96–111. http://dx.doi.org/10.7202/041542ar.
Der volle Inhalt der QuelleTremblay, Jean-François, und Jean-Guy Bergeron. „Que font les employeurs comme préparation à la négociation collective ?“ Articles 64, Nr. 1 (30.03.2009): 134–53. http://dx.doi.org/10.7202/029542ar.
Der volle Inhalt der QuelleMcCulloh, John M. „Le sacramentaire dans le groupe dit "Gélasiens du VIIIe siècle": Etude des procédés de confection et synoptiques nouveau modèle. Antoine Chavasse“. Speculum 62, Nr. 3 (Juli 1987): 660–62. http://dx.doi.org/10.2307/2846395.
Der volle Inhalt der QuelleMutamima, Umi, und Mohamad Syaefudin. „Critique sociale sur les chansons de Vitaa et Slimane“. Didacticofrancia: Journal Didactique du FLE 11, Nr. 1 (25.11.2021): 34–41. http://dx.doi.org/10.15294/didacticofrancia.v11i1.52045.
Der volle Inhalt der QuellePujo, Pauline. „Tableaux synoptiques et récits historiques : La référence aux modèles étrangers dans le cours d’histoire des Écoles centrales (1795-1802)“. La Révolution française, Nr. 4 (20.06.2013). http://dx.doi.org/10.4000/lrf.834.
Der volle Inhalt der QuelleMVONDO BIVIA, Ernest Désiré. „Déviance Et Corruption Comme Phénomènes Socio-Pathologiques Dans L’écriture Théâtrale Francophone : Le Cas De La Forêt Illuminée De Gervais Mendo Ze“. Revue d’Étude Africaine 1, Nr. 1 (14.04.2022). http://dx.doi.org/10.61585/pud-rea-v1n111.
Der volle Inhalt der QuelleDissertationen zum Thema "Modèles synoptiques"
Malhomme, Nemo. „Statistical learning for climate models“. Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST165.
Der volle Inhalt der QuelleClimate models face challenges in accurately representing atmospheric circulation patterns related to extreme weather events, especially regarding regional variability.This thesis explores how Latent Dirichlet Allocation (LDA), a statistical learning method originating from natural language processing, can be adapted to evaluate the ability of climate models to represent data such as Sea-Level Pressure (SLP).LDA identifies a set of local synoptic-scale structures, physically interpretable as cyclones and anticyclones, referred to as motifs.A common basis of motifs can be used to describe reanalysis and model data so that any SLP map can be represented as a sparse combination of these motifs.The motif weights provide local information on the synoptic configuration of circulation.By analyzing the weights, we can characterize circulation patterns in both reanalysis data and models, allowing us to identify local biases, both in general data and during extreme events.A global dynamic error can be defined for each model run based on the differences between the average weights of the run and reanalysis data.This methodology was applied to four CMIP6 models.While large-scale circulation is well predicted by all models on average, higher errors are found for heatwaves and cold spells.In general, a major source of error is found to be associated with Mediterranean motifs, for all models.Additional evaluation criteria were considered: one was based on the frequency of motifs in the sparse map representation.Another one involved combining the global dynamic error with the temperature error, thus making it possible to discriminate between models.These results show the potential of LDA for model evaluation and preselection
Mathieu, Anne. „Analyse synoptique de la couche limite atmosphérique marine pendant la campagne sémaphore“. Paris 6, 2000. http://www.theses.fr/2000PA066315.
Der volle Inhalt der QuelleDrouard, Marie. „Influence de l’écoulement atmosphérique du Pacifique nord sur l’oscillation Nord Atlantique“. Toulouse 3, 2014. http://thesesups.ups-tlse.fr/2730/.
Der volle Inhalt der QuelleThe aim of this thesis is to better understand the relationship between the North Pacific atmospheric variability and the North Atlantic Oscillation (NAO). The litterature shows that the Pacific atmospheric flow exerts an influence onto the different phases of the NAO but the underlying key ingredients have not been clearly identified yet. The purpose of this work is to identify these ingredients using the ERA-40 reanalysis and performing numerical experiments with a global quasi-geostrophic model. One key ingredient influencing the NAO is the existence of a low-frequency, planetary-scale geopotential anomaly located over the northeast Pacific-North American area. Its main action is to modify synoptic Rossby wave propagation over North America, which determines in large part the nature of Rossby wave breaking in the North Atlantic. A positive low-frequency geopotential anomaly deflects the Pacific jet, which induces, on the downstream side of the anomaly, an equatorward propagation of synoptic Rossby waves packets, favoring the occurrence of anticyclonic wave breakings in the North Atlantic and so the positive NAO phase. On the contrary, a negative low-frequency geopotential anomaly induces a more zonally-oriented Pacific jet, which makes synoptic Rossby wave packets propagate zonally. This favors more cyclonic wave breakings than in the previous case and the negative NAO phase. It is not so much the amplitude of waves coming from the North Pacific that matters the most, but rather their direction of propagation. The previous mechanism is shown to partly explain the relationship between low-frequency modes of variability in the Pacific, like the Pacific-North American oscillation (PNA) and El Niño-Southern Oscillation (ENSO), and the NAO. Indeed, the patterns of these two modes contain a low-frequency, large-scale geopotential anomaly over the northeast Pacific, which modifies synoptic Rossby wave propagation in the same manner than previously highlighted. Thus, this thesis brings a new point of view on the link between the North Pacific modes of variability and the NAO. To finish, the in-phase and out-of-phase fluctuations between the PNA and the NAO indices are shown to be related to the first and second modes of variability in the northern Hemisphere, that are the Northern Annular Mode (NAM) and the Cold Ocean-Warm Land pattern (COWL) respectively. The proposed mechanism is shown to be into play in the NAM and COWL and thus provide a dynamical interpretation of these hemispheric modes
Bari, Driss. „Etude du brouillard en zone côtière par modélisation des processus physiques de la couche limite atmosphérique : cas du Grand Casablanca (Maroc)“. Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30316/document.
Der volle Inhalt der QuelleThe prediction of fog remains a challenge due to its time and space variability and to the complex interaction between the numerous physical processes influencing its life cycle. During the first stage of this thesis, the local meteorological and synoptic characteristics of fog occurrence over the Grand Casablanca region (Morocco) are investigated. To achieve this, hourly surface meteorological observations, at two synoptic stations of this coastal region, are used. An objective fog-type classification has been developed in this work and used to discriminate the fog events into the well known types. This fog climatology points out that the fog is often localized and that it is predominantly of advection-radiation type, followed by fog resulting from cloud base lowering and radiation fog. Besides, two different fog types can occur when fog simultaneously concerns the two stations. The advective processes associated with sea breeze circulation during the daylight, followed by the radiative processes often leads to fog formation over this coastal region. Numerical simulations are performed later using the meso-scale non-hydrostatic model Meso-NH. These simulations confirm that the physical processes, governing the life cycle of fog, can be different according to the physiographic features of the area. Moreover, the numerical prediction of coastal fog over heterogeneous area is very sensitive to sea surface temperature, land local topography and land cover. It also depends on the model's ability to reproduce the sea breeze circulation during the daylight followed by the radiative processes early in the night. The systematic numerical simulations of the fog events that occurred during the winter 2013-2014 indicate the Meso-NH's ability to well capture the fog occurrence with a relatively high false alarm rate, particularly over the coastal station
Leroyer, Sylvie. „SIMULATIONS NUMERIQUES DE L'ATMOSPHERE URBAINE AVEC LE MODELE SUBMESO : APPLICATION A LA CAMPAGNE CLU-ESCOMPTE SUR L'AGGLOMERATION DE MARSEILLE“. Phd thesis, Ecole centrale de nantes - ECN, 2006. http://tel.archives-ouvertes.fr/tel-00128672.
Der volle Inhalt der QuellePaillard, Alain. „Les intrigants rapports entre deux lettres du Nouveau Testament : Jude et 2 Pierre“. Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAK001.
Der volle Inhalt der QuelleParallelisms between Jude and 2-Peter outline an almost perfect framework, to reply to the problem of those who “deny the Master”. A framework seen through a systematical synoptic study ; however, each epistle possesses its own architecture ; confronting these two steps allows to establish that 2-Peter depends on Jude. From one letter to the other, a second problem appears : what can be said of the (second) Parousia of Christ ? “Peter” demonstrates a great deal of rewriting, and, jointly, elaborates an original theology of inspiration. If the two texts chose the “catholic” epistolary form, and 2-Peter a testamentary one, Jude follows an oracular pattern, while 2-Peter assume the “disputation speech” genre. The plotting of the relation between the two letters alows us to sketch theological trajectories. In particular, in response to the second problem, 2-Peter puts forward original hermeneutical principles ; it is probably an anti-millenarist work, a privileged testimony and an important actor of the current proto-canonisation process. For that very reason, 2-Peter leans on a “high christology”
Macron, Clémence. „Les Talwegs Tropicaux Tempérés en Afrique australe : mécanismes et évolution face au changement climatique (2010-2099)“. Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS057/document.
Der volle Inhalt der QuelleIn the Southern Hemisphere, Southern Africa and the south-west Indian Ocean are one of the three preferred regions where interactions between the tropics and midlatitudes develop. This is the South Indian Convergence Zone (SICZ), where northwest-southeast oriented cloud bands form at the synoptic scale (between 3 and 5 days). These bands are mainly found during the austral summer and are commonly referred to as tropical temperate troughs (TTTs). This research aims at improving our knowledge related to TTTs, with a study on the dynamics associated with these systems, and an analysis of their possible evolution during the 21st century.The first part of this thesis aims at identifying favorable conditions for the formation and the development of TTTs. Weather regimes analysis is used to identify TTTs on the one hand and mid-latitude perturbations on the other hand, allowing us to better document the spatial and temporal variability of TTTs together with background climate conditions. The events identified account for 20% of seasonal rainfall on average. Their contribution increases according to a west to east gradient. The comparison between these two classifications, partitioned using a k-means clustering, first confirms that midlatitude perturbations are a necessary condition for TTT development, but they are not sufficient. An excess of moist static energy over the Mozambique Channel partly supplied by advections from remote regions (mostly the southern Atlantic basin and the south-west Indian Ocean) form additional conditions favoring deep atmospheric convection over and near the Southern Africa. The second part investigates possible changes in precipitation, TTTs and more generally climate over Southern Africa during the 21st century in response to radiative forcing associated with greenhouse gas emissions (GHG). A multi-model (height climate models taken on the IPCC Fifth Assessment Report) and multi-scenario (RCP 8.5 and 2.6) approach is chosen. All models are skillful to reproduce Southern Africa current climate characteristics and cloud bands associated with TTTs, both in terms of spatial variability and frequency of occurrences. During the 21th century, there is no consensus between the models on the future evolution of seasonal rainfall (NDJF). However, all simulate an increase in the amounts precipitated by rainy day over the south-east part of southern Africa. These changes are not related to an evolution of TTTs: their spatial patterns, frequency of occurrences and contribution to rainfall remain stationary throughout the 21st century, but they associated with extreme rainfall events that become more frequent and more intense
Bücher zum Thema "Modèles synoptiques"
Heymann, Matthias, Gabriele Gramelsberger und Martin Mahony. Cultures of Prediction in Atmospheric and Climate Science: Epistemic and Cultural Shifts in Computer-Based Modelling and Simulation. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenHeymann, Matthias, Gabriele Gramelsberger und Martin Mahony. Cultures of Prediction in Atmospheric and Climate Science: Epistemic and Cultural Shifts in Computer-Based Modelling and Simulation. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenHeymann, Matthias, Gabriele Gramelsberger und Martin Mahony. Cultures of Prediction in Atmospheric and Climate Science: Epistemic and Cultural Shifts in Computer-Based Modelling and Simulation. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenHeymann, Matthias, Gabriele Gramelsberger und Martin Mahony. Cultures of Prediction in Atmospheric and Climate Science: Epistemic and Cultural Shifts in Computer-Based Modelling and Simulation. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle findenCultures of Prediction in Atmospheric and Climate Science: Epistemic and Cultural Shifts in Computer‐Based Atmospheric and Climatescience. Taylor & Francis Group, 2017.
Den vollen Inhalt der Quelle finden