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Literatura académica sobre el tema "Modélisation de l'érosion hydrique des sols"
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Artículos de revistas sobre el tema "Modélisation de l'érosion hydrique des sols"
Villeneuve, J. P., P. Hubert, A. Mailhot y A. N. Rousseau. "La modélisation hydrologique et la gestion de l'eau". Revue des sciences de l'eau 11 (12 de abril de 2005): 19–39. http://dx.doi.org/10.7202/705327ar.
Texto completoChaaouan, Jamal, Ali Faleh, Abdelhamid Sadiki y Haytham Mesrar. "Télédétection, SIG et modélisation de l'érosion hydrique dans le bassin versant de l'oued Amzaz, Rif Central". Revue Française de Photogrammétrie et de Télédétection, n.º 203 (8 de abril de 2014): 19–25. http://dx.doi.org/10.52638/rfpt.2013.26.
Texto completoEL HAIRCHI, Khalid, Abdelhak LIMAME, Youssef BENBRAHIM y Mohcine EL OMMAL. "Impacts de défrichement sur la dégradation des sols dans le moyen atlas central, cas de la dépression d’Ain Nokra". GOT - Journal of Geography and Spatial Planning, n.º 26 (30 de diciembre de 2023): 224–37. http://dx.doi.org/10.17127/got/2023.26.009.
Texto completoVogt, Henri. "Une méthode cartographique d'évaluation de processus physiogéographiques appliquée à l'érosion hydrique des sols". Espace géographique 15, n.º 3 (1986): 204–10. http://dx.doi.org/10.3406/spgeo.1986.4142.
Texto completoOuvry, Jean-François. "Dégradation des sols par l'érosion hydrique : quels remèdes en région de grandes cultures". Pour 213, n.º 1 (2012): 163. http://dx.doi.org/10.3917/pour.213.0163.
Texto completoMesrar, Haytam, Abdelhamid Sadiki, Ana Navas, Ali Faleh, Laura Quijano y Jamal Chaaouan. "Modélisation de l'érosion hydrique et des facteurs causaux, Cas de l'oued Sahla, Rif Central, Maroc". Zeitschrift für Geomorphologie 59, n.º 4 (1 de diciembre de 2015): 495–514. http://dx.doi.org/10.1127/zfg/2015/0169.
Texto completoAndrieux, P., M. Voltz y A. Durbec. "Fonctionnement hydrologique d'un interfluve sédimentaire de la plaine côtière ancienne de Guyane Française". Revue des sciences de l'eau 9, n.º 1 (12 de abril de 2005): 51–74. http://dx.doi.org/10.7202/705242ar.
Texto completoEl Hage Hassan, Hussein, Laurence Charbel y Laurent Touchart. "Cartographie des conditions de l'érosion hydrique des sols au Mont-Liban : exemple de la région d'El Aaqoûra". Physio-Géo, Volume 9 (14 de enero de 2015): 141–56. http://dx.doi.org/10.4000/physio-geo.4572.
Texto completoFousséni, Gbadamassi, Ouorou Barre F. Imorou, Gbadamassi Massouhoudou y Vodounou Jean Bosco. "Modélisation Territoriale des Types de Labour dans le Bassin Versant d’Affon-Donga au Bénin". European Scientific Journal, ESJ 18, n.º 13 (30 de abril de 2022): 168. http://dx.doi.org/10.19044/esj.2022.v18n13p168.
Texto completoAké, Gabriel Étienne, Boyossoro Hélène Kouadio, Miessan Germain Adja, Jean-Baptiste Ettien, Kôkôh Rose Effebi y Jean Biémi. "Cartographie de la vulnérabilité multifactorielle à l'érosion hydrique des sols de la région de Bonoua (Sud-Est de la Côte d'Ivoire)". Physio-Géo, Volume 6 (26 de febrero de 2012): 1–42. http://dx.doi.org/10.4000/physio-geo.2285.
Texto completoTesis sobre el tema "Modélisation de l'érosion hydrique des sols"
Gumiere, Silvio José. "Contribution à la modélisation déterministe spatialisée de l'érosion hydrique des sols à l'échelle des petits bassins versants cultivés". Montpellier SupAgro, 2009. http://www.theses.fr/2009NSAM0022.
Texto completoAnthropogenic activity associated with intensive agricultural production is often the origin of an acceleration in soil erosion processes, such that the rate of erosion will exceed the rate of soil formation. In Europe and the world, water erosion affects all types of landscapes to different degrees. Water erosion models may provide helpful information for the development and application of land management practices in catchments with soil and water conservation concerns. The objective of this work was to reflect on and then critically analyse the problem of water erosion modelling from different points of view: conceptually, model exploration and model parameterisation. From this reflection, and after a literature review, which focused on two of the main problems identified with present-day erosion models, namely model parameterisation and sedimentological connectivity, we have developed a physically based and distributed water erosion model, able to provide dynamic information about soil loss and sediment transport within small agricultural catchments during rainfall events. The model takes into account the effects of land management practices on sediment transport using a distributed GIS parameterisation. The model was calibrated and validated for a Mediterranean catchment, using an automatic and multi-scale calibration procedure. Another result from this work was the development of a sensitivity analysis framework to provide an exploratory analysis of distributed erosion models at different space and time scales. This framework has been applied to four water erosion models (MHYDAS-Erosion, STREAM, MESALES and PESERA). Results have shown a similarity in behaviour of the four erosion models with regards to input parameter variations
Baril, Daniel. "Modélisation de l'érosion hydrique par intégration de données multisources à un système d'information géographique". Mémoire, Université de Sherbrooke, 1989. http://hdl.handle.net/11143/11135.
Texto completoBouteldja, Nedjoua. "Contribution à la modélisation de l'érosion hydrique dans le bassin versant du Hodna "sous bassins versants du Ksob et de Soubella" (Algérie)". Aix-Marseille 1, 2005. http://www.theses.fr/2005AIX10030.
Texto completoAdam, Mamadou. "La faisabilité économique de la maîtrise de l'érosion hydrique dans un bassin versant partiellement irrigué du fleuve Niger". Thesis, Montpellier 1, 2011. http://www.theses.fr/2011MON10071/document.
Texto completoThe irrigation schemes of the River Niger valley are degrading because of the negative externalities of the agropastoral activities in upstream. To these externalities, we cannot apply the Pigouvian tax because they are diffuse and difficult to be assessed in money terms. Conversely, they can be mastered by erosion control, but that are not spontaneously adopted by agropastoralist. Thus, the mechanism of payment for environmental services has been proposed to study and analyze the possibility for production a sustained services of control erosion at the local level between poor agropastoralists and rice growers who realize production surpluses. Payments for environmental services are incentive tools, which are original and effective in producing sustained services. Flows of agricultural and economic interests have been modeled. Many scenarios have been simulating in order to assess the feasibility and effectiveness of payment mechanisms for erosion control services. The simulations show that the mechanism of payment was interesting between local users. The payment has made a better redistribution of profits and has alleviated poverty. All users are winners. Some users subsidize for an anti-erosion and other users have adopted them. They have created a sustainable anti-erosion service that has supported a more sustainable management of resources and has improved farm incomes
Cyr, Linda. "Apport des indices de végétation pour l'évaluation de la couverture du sol en vue d'une modélisation spatiale de l'érosion". Mémoire, Université de Sherbrooke, 1993. http://hdl.handle.net/11143/11136.
Texto completoSong, Layheang. "Usage des terres, ruissellement de surface, érosion des sols : analyse multi-échelles de l'impact des plantations de teck dans un agro-écosystème montagneux tropical humide". Electronic Thesis or Diss., Toulouse 3, 2021. http://www.theses.fr/2021TOU30188.
Texto completoSoil erosion is yet known as one of the most concerning problems of the environment in the world. Soil erosion is particularly and increasingly driven by anthropogenic activities under the changing climate. In Lao PDR, a tropical country, soil erosion is significantly due to inappropriate land management on the sloping land. The Houay Pano, a cultivated catchment of the northern Lao PDR, is prone to soil erosion, particularly after the conversion from shifting cultivation to teak tree plantation. Land mismanagement by clearing the understory under the teak tree plantation is considered as an underlying cause of higher runoff coefficient (Rc) and soil erosion. Some mitigations such as understory and riparian vegetation are suggested for alleviating soil erosion. However, the mitigation measure of soil erosion and the effect of land use management on surface runoff (SR) and soil loss/sediment yield (Sl) on multiple scales in the teak tree plantation are not fully assessed. In this context, we hypothesize that understory and riparian grass mitigate the soil erosion in the teak tree plantation and that teak tree plantation impacts on SR and Sl driven by dominant processes (inter rill erosion, linear erosion, and deposition) on various spatial scales. Therefore, the objectives set out for this work are: (1) to assess the effect of understory management on SR and Sl in the teak tree plantation on the microplot scale; (2) to assess the ability of riparian grass buffers to mitigate SR and Sl, and to assess their water and sediment trapping efficiencies in the teak tree plantations with no understory on the hillslope scale; and (3) to assess the effect of teak tree plantation on SR and Sl on various spatial scales (microplot, hillslope including micro-catchment, and catchment scales) in a mixed land uses mountainous tropical catchment. In this study, Ban Kokngew village and Houay Pano catchment were selected as experimental study areas during the rainy season. Microplots, Gerlach traps, and weirs were used to estimate SR and Sl on each scale. We followed the TEST model developed for inter rill erosion, which requires a few parameters, to assess Sl on the microplot and upscale it to predict Sl on the hillslope and catchment scale. In a study performed in 2017 in the teak tree plantations of Ban Kokngew on the microplot scale, we showed that Rc and Sl (23%, 381 Mg·km-2, respectively) under teak tree with understory were less than those under teak tree with no understory (60% and 5455 Mg·km-2, respectively). Hence, soil erosion mitigation by keeping the understory under teak tree plantation reduces Sl by 14 times. In a study performed in 2014 in the teak tree plantations of Houay Pano on both the microplot and the hillslope scales, we showed that leaving the riparian grass buffer of at least 6 m could limit SR and Sl discharging downstream during small storms (24-hour rainfall < 54.8 mm) with the trapping efficiency up to 88%. Lastly, in a study performed in 2014 in the teak tree plantations of Houay Pano on various scales, we showed that SR and Sl were significantly higher (p-value < 0.05) in the teak-dominated micro-catchment than in the mixed-land-use micro-catchment. SR and Sl decreased from the microplot (122 - 196 mm, 275 - 1065 Mg·km-2, respectively) to the micro-catchment (24 - 188 mm, 95 - 3635 Mg·km-2, respectively) and catchment scale (33 mm, 236 Mg·km-2, respectively), except that Sl in teak tree plantation increased from the microplot (1065 Mg·km-2) to the micro-catchment scale (3635 Mg·km-2). [...]
Randriamazaoro, Rado Nirina. "Modélisation numérique et analogique de l'érosion thermique". Paris 11, 2007. http://www.theses.fr/2007PA112139.
Texto completoIn periglacial regions, frozen river banks are affected by thermal and mechanical erosion. In Siberia, bank retreat of up to 25 m per year are observed. This thermal erosion occurs during a few weeks, at springtime, for high enough water temperatures and river discharges. Until now, models of thermal erosion are based on the assumption of a constant melting rate. We have developed a more general model at variable rate, whose solution is calculated with the integral method. Results of this model are compared with experiments, carried out in a cold room. A hydraulic channel allows measurements of the thermal erosion rate of a ground ice sample subjected to a turbulent water flow. Once validated, the model is applied to the periglacial river study case. The model has contributed to better understand the roles of each parameter during the thermal erosion process. High water temperature, discharge and ice temperature produce a tremendous thermal erosion process, whereas the ice content in the soil tends to slow down the thermal erosion process. The effects of water temperature are predominant. Results also show that an acceleration phase occurs at the beginning of the thermal erosion process. The duration of such acceleration phase is systematically studied. A relatively long acceleration phase is related to a low ablation rate. During the flood season, when the water temperature is increased up to 18°C, this acceleration phase lasts only a few minutes. However, for typical data of periglacial river when the water temperature is close to the melting point, the acceleration phase can last a few days
Albaradeyia, Issa. "Modélisation de l'érosion en zone montagneuse semi-aride". Lille 1, 2007. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2007/50376-2007-Albaradeyia.pdf.
Texto completoLombart, Olivier. "Etude des processus et quantification de l'érosion hydrique dans la partie marnaise du vignoble champenois". Reims, 1998. http://www.theses.fr/1998REIML001.
Texto completoIn the vineyard of champagne, the phenomenas of rill erosion are an embarrassment for the managment of the cultivation. For the studies of these processes, two methods was used : the cartography of the rill erosion and the measurement of the quantities of the displaced particles. This study allows to show that the surfaces affected by this type of erosion are important on the clays, that a seasonal rythm appears and that among the explicative factors, the slope seems to have an important part
Leonard, Monique. "L'érosion hydrique des sols cultivés : analyse systémique et propositions de gestion ; application aux vignobles d'Ardèche méridionale". Université Joseph Fourier (Grenoble), 2003. http://www.theses.fr/2003GRE10043.
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