Academic literature on the topic 'Variations de l’activité de crue'
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Journal articles on the topic "Variations de l’activité de crue"
FAULCONNIER, Y., M. BONNET, F. BOCQUIER, C. LEROUX, J. F. HOCQUETTE, P. MARTIN, and Y. CHILLIARD. "Régulation du métabolisme lipidique des tissus adipeux et musculaires chez le ruminant. Effets du niveau alimentaire et de la photopériode." INRAE Productions Animales 12, no. 4 (September 1, 1999): 287–300. http://dx.doi.org/10.20870/productions-animales.1999.12.4.3889.
Full textBalavoine, Michael. "HapMap 3 ou l’influence des variations génétiques sur l’activité des gènes." Revue Médicale Suisse 6, no. 262 (2010): 1742a—1743a. http://dx.doi.org/10.53738/revmed.2010.6.262.1742a.
Full textJoseph, C., C. Rodier, M. Soulie, F. Sinegre, and R. Baylet. "Approche des transferts de pollution bactérienne dans une crue karstique par l'étude des paramètres physico-chimiques." Revue des sciences de l'eau 1, no. 1-2 (April 12, 2005): 73–106. http://dx.doi.org/10.7202/705004ar.
Full textPicouet, C., B. Hingray, and J. C. Olivry. "Modélisation conceptuelle globale du régime du transport particulaire sur les fleuves tropicaux d'Afrique : application aux bassins du Niger supérieur et du Bani, Mali." Revue des sciences de l'eau 13, no. 4 (April 12, 2005): 463–81. http://dx.doi.org/10.7202/705403ar.
Full textORGEUR, P., and J. P. SIGNORET. "L’activité sexuelle du taureau : Revue bibliographique." INRAE Productions Animales 3, no. 4 (October 10, 1990): 235–42. http://dx.doi.org/10.20870/productions-animales.1990.3.4.4382.
Full textFolefack, Denis Pompidou, and Abdoulay Nsangou Njankouo. "Commerce alimentaire de proximité dans les rues de la ville de Douala: cas de la banane plantain mûre braisée vendue par les femmes." International Journal of Biological and Chemical Sciences 16, no. 2 (July 8, 2022): 753–71. http://dx.doi.org/10.4314/ijbcs.v16i2.20.
Full textCHEMINEAU, P., and J. A. DELGADILLO. "Neuroendocrinologie de la reproduction chez les caprins." INRAE Productions Animales 7, no. 5 (November 27, 1994): 315–26. http://dx.doi.org/10.20870/productions-animales.1994.7.5.4177.
Full textKouassi Anderson, Yao, Konan Yao Aristide, Bamba Mamadou, N’Zi Konan Gervais, and Koné Tidiani. "Impact Des Aménagements Hydroélectriques Sur Le Peuplement Des Poissons Du Lac De Barrage De Buyo Et De La Zone Périphérique (Côte d’Ivoire)." European Scientific Journal ESJ 17, no. 40 (November 30, 2021): 273–96. http://dx.doi.org/10.19044/esj.2021.v17n40p273.
Full textTalbot, Laurent. "Les pratiques d’évaluation orale des enseignantsdu primaire et du secondaire." Mesure et évaluation en éducation 34, no. 3 (May 5, 2014): 79–112. http://dx.doi.org/10.7202/1024796ar.
Full textWu, Robert, Vikas Patel, Sabreena Moosa, Laura Langer, Thomas MacMillan, Rodrigo Cavalcanti, Peter Cram, Keith Gunaratne, and Mark Bayley. "Fitbit Data Show Poor Correlation with Measures of Activity and Sleep among Hospitalized General Medicine Patients." Canadian Journal of General Internal Medicine 17, no. 4 (November 18, 2022): 38–47. http://dx.doi.org/10.22374/cjgim.v17i4.616.
Full textDissertations / Theses on the topic "Variations de l’activité de crue"
Legrand, Caroline. "Simulation des variations de débits et de l’activité de crue du Rhône amont à partir de l’information atmosphérique de grande échelle sur le dernier siècle et le dernier millénaire." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALU011.
Full textFloods are often destructive natural hazards that can have considerable implications on ecosystemsand societies. In many regions of the world, flood activity and intensity are expected to be amplifiedby the ongoing climate change. However, quantifying possible changes over the coming decades isdifficult. The classical approach is to estimate possible changes from hydrological projections obtainedby simulation using meteorological scenarios produced for different future climate scenarios. Amongother things, these meteorological scenarios have to be adapted to the spatial and temporal scalesof the considered basins. They are typically produced with downscaling models from the large-scaleatmospheric conditions simulated by climate models. Downscaling models are either dynamical orstatistical. The possibility of producing relevant meteorological scenarios with downscaling models istaken for granted, but is rarely assessed.In this study, we assessed the ability of two modelling chains to reproduce, over the last century(1902-2009) and from large-scale atmospheric information only, the observed temporal variations inflows and flood events in the Upper Rhône River catchment (10,900 km2). The modelling chains aremade up of (i) the ERA-20C atmospheric reanalysis, (ii) either the statistical downscaling modelSCAMP or the dynamical downscaling model MAR, and (iii) the glacio-hydrological model GSM-SOCONT.When compared to observations, the downscaled scenarios of daily temperatures and precipitationshighlight the need for a bias correction. This is the case for both downscaling models. For thedynamical downscaling chain, bias correction is additionally necessary for the temperature lapse ratescenarios to avoid irrelevant simulations of snowpack dynamics, particularly for high elevations.The observed multi-scale variations (daily, seasonal and interannual) in flows and low frequencyhydrological situations (low flow sequences and flood events) are generally well reproduced for theperiod 1961-2009. For the first half of the century, the agreement with the reference flows is wea-ker, probably due to lower data quality (ERA-20C and flow data) and/or certain assumptions andmodelling choices (e.g. calibration based on hydrological signatures, stationarity assumption). Theseresults, and those obtained over the last century on variations in flood activity, suggest that themodelling chains can be used in other climatic contexts.In the last part, we simulated variations in flood activity over the last millennium using cli-mate model outputs made available by the Paleoclimate Modelling Intercomparison Project (PMIP).Outputs from the climate model CESM Last Millennium Ensemble, made up of 12 members, werestatistically downscaled at the daily time step over the period 850-2004 with SCAMP (for reasons ofcomputational cost) and used as input to the GSM-SOCONT model.The simulated variations in flood activity in the Upper Rhône River over the last millennium werecompared with those reconstructed from the sediments cores of Lake Bourget. The results suggestthat the variations in flood activity reconstructed over this period could only be due to internalclimate variability and not to any large-scale atmospheric forcing
Charifi, Massoud. "Chronopsychologie scolaire : étude comparative des variations journalières et hebdomadaires de l’activité intellectuelle d’élèves français et iraniens." Tours, 1994. http://www.theses.fr/1994TOUR2010.
Full textIllou, Mahamadou. "Impacts des variations de la crue sur les communautés rurales du delta intérieur du bassin versant du fleuve Niger." Thesis, Artois, 2010. http://www.theses.fr/2010ARTO0005.
Full textThe present study is carried out within a context of the low level of water in the interior delta Niger River. The water shortage is first noticed by eminent readers and observed by the local population itself. The main activities are agriculture, breeding and fishing which provide the needs of thousands of people in the area depend on the evolution of water. Once there is water shortage, we do observe the lost of cultural areas, variations in the level of water and that of inundation which influence the agricultural calendar. Definitely the phenomenon has implications on fishing and breeding giving the fact that there is a link between inundation and other activities. The consequences of the water shortage on agriculture are more visible on the outcome and the areas watered and more importantly on the fertile soil but also on the soils productivity. With regard to breeding, the impacts manifest themselves in the reduction of breeding areas, the herd and on social changes. On the other hand, in the fishing sector we do notice the decrease in fishing and the types of fishes. All these influence negatively on the socio economic life style of the local populations as well as significant decrease in its ability to sustain itself. Equally, the populations is getting use to a new life style by initiating several responses among which the revert to other activities, the practice of complementary activities, the improvement in agricultural practices. But, the most developed strategy is that of migration which immediate consequence is the destruction of social fabric, a situation that may yield to inefficient strategies initiated by the populations in order to challenge the decrease of water. In spite of efforts made by the populations, NGOs and public authorities, a lot needs to be done. The perspectives are not much : on one hand, the building of dams in the Delta creates hope in view of the intensification of agricultural activities and hence in improving the productivity, on the other hand, the lost of inundable areas linked to the above project
Denoël, Mathilde. "Rapports de pouvoir dans l’activité minière, entre modèle néo-extractiviste et variations territoriales : le cas des provinces de Jujuy, San Juan et Mendoza en Argentine." Thesis, Toulouse 2, 2019. http://www.theses.fr/2019TOU20039.
Full textIn Argentina, large-scale metal mining activity began in the 1990s, following the recommendations of international institutions and under the aegis of Carlos Menem’s neoliberal government. It is the beginning of extractivism that encouraged the expansion of capitalist logic of accumulation by dispossession into new provinces, wich are now managing their resources. With the arrival of a progressive government in the early 2000s, the deployment of the sector did not slow down and became a state policy. It is the transition to neo-extractivism, which is accompanied by a significant increase in the number of organizations and the establishment of a consensus apparatus aimed at legitimizing, naturalizing and institutionalizing the increasingly criticized activity in the territories.In this context, this research questions the conditions for the local adaptation of a globalized model. What interdependencies, what power relations exist between the partisan actors of the sector and local territories? What role do local elites play in the hybridization of public-private logic underpinned by neo-extractivism? How do the representations that make territories evolve in the face of this activity, which has a hegemonic definition of “resource”? To answer these questions, qualitative and multidisciplinary approach as well as multi-site, polymorphic and multimodal methods have been adopted. This methodological triangulation was designed to compare the discourses and practices of the sector’s actors at the subnational level and to identify the territorial variations of a globalized model. Faced with the establishment of an activity that is greedy for “natural products”, we invite the reader to consider the weight of the local in the multiscalar and hybrid power relations deployed by the actors of large-scale metal mining activity
En Argentina, la actividad mega-minera comenzó en la década de los 1990 en sintonía las recomendaciones de las instituciones internacionales y bajo la égida del gobierno neoliberal de Carlos Menem. Este fue el comienzo del extractivismo, que alentó la expansión de la lógica capitalista de acumulación por desposesión en nuevas provincias, ahora manejando sus recursos. Con la llegada de un gobierno progresista a principios de la década de 2000, el despliegue del sector no se ralentizó y se convirtió en una política de Estado. Se trata de la transición al neoextractivismo, caracterizado por un aumento significativo del número de organismos involucrados y por el establecimiento de un dispositivo de consenso destinado a legitimar, naturalizar e institucionalizar la actividad mega-minera, cada vez más desprestigiada, en los territorios.En este contexto, esta investigación cuestiona las condiciones para la adaptación local de un modelo globalizado. ¿Qué interdependencias, qué relaciones de poder existen entre los actores partidarios del sector y los territorios locales? ¿Qué papel juegan las élites locales en la hibridación de la lógica público-privada sustentada en el neoextractivismo? ¿Cómo evolucionan las representaciones que conforman los territorios frente a esta actividad, que tiene una definición hegemónica de “recurso”? Para responder a estas preguntas, se ha adoptado un enfoque cualitativo y multidisciplinario, así como un sistema multisitio, polimórfico y multimodal. Esta triangulación metodológica fue diseñada para comparar los discursos y prácticas de los actores del sector a nivel subnacional e identificar las variaciones territoriales de un modelo globalizado. Ante el establecimiento de una actividad ávida de “productos naturales”, invitamos al lector a considerar el peso de lo local en las relaciones de poder multiescalares e híbridas desplegadas por los actores de la mega-minería metalífera
Courtiol, Emmanuelle. "L’inextricable relation olfaction-respiration chez le rat : études de l’impact des variations de flairages sur l’activité du bulbe olfactif et sur la discrimination des odeurs." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10309/document.
Full textIn terrestrial mammals, an inextricable link between olfaction and respiration exists due to the periodic sampling of odorant molecules by inhalation. The features of sniffing (or breathing) constrain both the timing and the intensity of the input to the olfactory structures. But rather than being fixed, sniffing in the bahavingrodent is highly dynamic and varies both in frequency and flow rate. During the firs stage of my PhD, I asked to what extent sniffing parameters (frequency and flow rate) variations could affect the olfactory bulb activity. To address this question, I developped a double tracheotomy protocol in anesthetized rats to precisely control and modify the nasal airflow. In parallel, I recorded oldfactory bulbactivities, single-unit activity and local field potentials. We showed that, at the olfactory bulb level, the neutral representation of an odor is highly modified by sampling variations. In fact both the mitral/tufted cell discharge patterns and local field potentials oscilliations were affected by sniffing variations. In the second stage, we wanted to understand the role of sniffing variations in behaving animals. We hypothesized tha t an animal could adapt its sniffing strategy relative to the quality of the odorant molecules. To test this hypothesis, we developped a tool to record sniffing in a non invasive way, and combined it to an olfactory discrimination task in the rat. We showed that animals not only adapted their sniffing relative to the odorant quality but also to the odorant context. Taken together, these results fit into the broader context of sensory-motor integration
Houliez, Emilie. "Contrôle de l’activité photosynthétique du phytoplancton en milieu côtier : utilisation de la fluorescence spectrale et de la fluorimétrie modulée." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10069/document.
Full textDynamics of phytoplankton photosynthetic activity were characterised in a macrotidal coastal ecosystem (the Strait of Dover, eastern English Channel) and related to environmental conditions. Spatial and temporal variability of photosynthetic parameters were studied at different scales, between September 2008 and August 2010. The level of variability and controlling factors of photosynthetic parameters depend on the scale considered. In space, no gradient of photosynthetic parameters was found between coastal and offshore waters. By contrast, within the water column, variations of the maximum quantum yield (Fv/Fm), the maximum electron transport rate (ETRm) and the light saturation coefficient (Ek) in relation to the light history of cells were observed. At short time scale (from hour to the scale of a neap-spring tide cycle), considerable variations of photosynthetic parameters were observed. Light conditions, temperature and nutrient availability were the main controlling factors. At longer time scale (from fortnightly to inter-annual scales), Fv/Fm, α (the maximal light utilization efficiency) and ETRm varied without any clear seasonal cycle. By contrast, Ek followed the seasonal variations of light except during summer where its changes of Ek were small compared to the light variability. At these time scales, close interplays between shifts of phytoplankton communities and changes of light, temperature and nutrient availability controlled the variability of photosynthetic parameters
Book chapters on the topic "Variations de l’activité de crue"
Fridenson, Patrick. "Variations pour une histoire différente des relations entre confiance et marché à l’époque contemporaine." In L’activité marchande sans le marché ?, 77–88. Presses des Mines, 2010. http://dx.doi.org/10.4000/books.pressesmines.1234.
Full textGAILLER, Lydie, and Jean-François LÉNAT. "La surveillance magnétique des volcans." In Aléas et surveillance de l’activité volcanique 3, 285–99. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9046.ch6.
Full textGAILLER, Lydie, Jean-François LÉNAT, and Franck DONNADIEU. "La surveillance gravimétrique des volcans." In Aléas et surveillance de l’activité volcanique 3, 235–62. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9046.ch4.
Full textCAYOL, Valérie, Aline PELTIER, Jean-Luc FROGER, and François BEAUDUCEL. "La surveillance de la déformation des volcans." In Aléas et surveillance de l’activité volcanique 2, 103–76. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9045.ch2.
Full textALGMI, Nadjah, and Jean-Paul MEREAUX. "Une grille de lecture des défaillances d’entreprises versus réalité du Covid-19." In Les épidémies au prisme des SHS, 167–74. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.6002.
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