Littérature scientifique sur le sujet « Rivière Amazone »
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Articles de revues sur le sujet "Rivière Amazone"
Araújo, Alan Nunes, Maria Lúcia Brito da Cruz, Christian Nunes da Silva et Amintas Nazareth Rossete. « DINÂMICA DA COBERTURA E USO DA TERRA NA BACIA HIDROGRÁFICA DO RIO ARAGUARI (AMAPÁ, AMAZÔNIA, BRASIL) ». InterEspaço : Revista de Geografia e Interdisciplinaridade 5, no 19 (22 janvier 2020) : 202003. http://dx.doi.org/10.18764/2446-6549.e202003.
Texte intégralCintra, Jorge Pimentel, et Rafael Henrique de Oliveira. « Nicolas Sanson and his Map : The Course of the Amazon River ». Acta Amazonica 44, no 3 (septembre 2014) : 353–65. http://dx.doi.org/10.1590/1809-4392201302944.
Texte intégralDourojeanni, Marc J., Alberto Barandiaran et Diego Dourojeanni. « Amazonie péruvienne en 2021 exploitation des ressources naturelles et infrastructures qu'est- ce qui se passe ? Qu'est- ce que cela signifie pour l'avenir ? » BOIS & ; FORETS DES TROPIQUES 305, no 305 (1 septembre 2010) : 77. http://dx.doi.org/10.19182/bft2010.305.a20441.
Texte intégralAbes, Gilles Jean. « Como ler e por que retraduzir narrativas do passado ? O relato de viagem de La Condamine no rio Amazonas ». Cadernos de Tradução 43, esp. 2 (1 novembre 2023) : 16–40. http://dx.doi.org/10.5007/2175-7968.2023.e96031.
Texte intégralLIMA, Michel de Melo. « A RIBEIRA & ; A ORLA DE MARABÁ-PA : ESPACIALIDADES E TERRITORIALIDADES URBANAS EM UMA CIDADE AMAZÔNICA EM TRANSFORMAÇÃO (The Riverside & ; the Waterfront of Marabá-Pa : urban riverine specificities and territorialities in a city in transformation of the Amazon) ». ACTA GEOGRÁFICA 15, no 37 (2 mai 2021) : 1–24. http://dx.doi.org/10.18227/2177-4307.acta.v15i37.1932.
Texte intégralGuerra da Costa, Graciete. « AS CIDADES AMAZÔNICAS NA AMÉRICA PORTUGUESA ». EXAMÃPAKU 7, no 2 (5 décembre 2014) : 18. http://dx.doi.org/10.18227/1983-9065ex.v7i2.2408.
Texte intégralTozi, Shirley Capela, et Wagner Costa Ribeiro. « Conflitos pela água na Amazônia : O caso do povo indígena Yudjá e a Usina Hidrelétrica Belo Monte ». AMBIENTES : Revista de Geografia e Ecologia Política 4, no 2 (28 décembre 2022) : 201–26. http://dx.doi.org/10.48075/amb.v4i2.29976.
Texte intégralPau, Stefano. « Paiches, huanganas e isangos. Repensar el antropoceno a través de la literatura oral y escrita amazónica peruana ». Altre Modernità, no 26 (29 novembre 2021) : 53–69. http://dx.doi.org/10.54103/2035-7680/16688.
Texte intégralKay, Kristen, et Janice Wilson. « #1 Dermatologist Recommended : A Clinician’s Guide to Self-Tanning ». SKIN The Journal of Cutaneous Medicine 7, no 6 (13 novembre 2023) : 1077–89. http://dx.doi.org/10.25251/skin.7.6.1.
Texte intégralMarchand, Guillaume. « Analyse de la dimension spatiale des conflits homme/faune sauvage dans la réserve de développement durable de la rivière Uatumã (Amazonas, Brésil) ». Cybergeo, 8 novembre 2016. http://dx.doi.org/10.4000/cybergeo.27807.
Texte intégralThèses sur le sujet "Rivière Amazone"
Guinoiseau, Damien. « Impact des processus physico-chimiques eau-roche sur le comportement des isotopes du Zn et du Cu en systèmes contrôlés et naturels : application au bassin amazonien ». Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC054.
Texte intégralThis study aims at defining the impact of physico-chemical interactions of Zinc (Zn) and Copper (Cu) with minerai and organic phases on their transport and availability in the environment. To identify the main processes involving a modification of their behaviour, the isotope ratio measurement appears as the most adapted tool. Among the main reactive minerais in the environnent, only the isotope fractionation associated with Zn adsorption onto clays is missing. Its determination by laboratory experiments was led on the kaolinite clay, the most common clay in tropical regions. Thereafter, Zn and Cu were observed in two macroscopic ecosystems where metal interactions with minerai or organic constituents are facilitated: the organic Rio Negro basin and the "Encontro das Aguas" mixing zone that forms the Amazon River. The Rio Negro basin is characterized by a dominant Zn and Cu export as colloids and by a predominant control of organic matter. Nevertheless, Zn in particles preserves the signature acquired in soifs and evidences the direct link between pedological cycle and recorded riverine signal. The "Encontro das Aguas" area results from the confluence of two chemically contrasted rivers (organic-rich Rio Negro and sediment-rich Rio Solimôes). According to Zn and Cu isotope ratios, this system evolves only as an integrative mixing of sources, keeping intact the initial isotopic message. By contrast, the calculations of flux upstream and downstream of this zone reveal important elemental losses (namely for Zn and Cu), characterizing this environment as a geochemical filter with a dephasing between the input and the output of sediment and dissolved material
Sousa, Daniel José Lima de. « Étude pétrologique et cristallochimique du kaolin de la rivière Capim - Pará, Brésil ». Vandoeuvre-les-Nancy, INPL, 2005. http://www.theses.fr/2005INPL041N.
Texte intégralThe Capim Kaolinic District, located in the eastem Brazilian Amazon, constitutes one of the most important kaolin deposits in the world. Known for its high whiteness, its noble application is in the paper industry. The kaolin developed at the expense of Cretaceous sandy-clayey sediments of the Ipixuna Formation, on which intense lateritic processes took place from the Mesozoic to the Cenozoic. This work aims at tracing the evolution of the Capim kaolin faciès, taking into consideration macromorphological, mineralogical, micromorphological, textural, chrystallo-chemical and geochemical studies. These studies, based on the description of profiles in the exploration fronts of the open pit of the Imerys Rio Capim Caulim mine (IRCC), encompassed X-ray diffraction analysis (XRD), differential and gravimetric thermal analysis (DTA-GTA) , optical analysis of thin sections, chemical analysis, scanning (SEM) and transmission electron microscopy (TEM), both equipped with an energy dispersive X-ray detector (EDS), porosity and surface specific determinations, cationic exchange capacity (CEC) measurements, UV-visible determination, infrared and Mossbauer spectroscopies, statistical analysis and the Pb-Pb isotopic analysis using single zircon vaporization. Six facies (sand kaolin, soft kaolin, lower transition facies, ferruginous crust, upper transition facies and flint kaolin) are defined and related to different stages of the supergenic proœss. The transition facies and the ferruginous crust represent relicts of a ferruginization process that led to the formation of a thick ferruginous duricrust on the soft kaolin, which in turn evolved from sandy-clayey sediments of the Ipixuna Formation (sand facies). A subsequent deferruginization event caused the degradation of the duricrust, resulting in the flint kaolin facies. The chemical analyses corroborate to the lateritic processes, characterized by the ferruginization and deferruginization mechanisms that led to the distinction of the different facies. Even if ferruginization and deferruginization mechanisms led to the individualization of different Capim River kaolin facies, the sa me heavy mineraI assembly persists in ail facies, evidencing that these minerais originated from the same basal sediments. Provenance studies carried out on the soft and flint faciès allowed to trace the possible sources of sediments that host the ore. The Pb-Pb vaporization method was applied to four predominant morphologic classes of detrital zircons and the ages obtained were compared to the main age intervals of the rocks surrounding the Capim Kaolin District (CKD). Four major plateau ages (2. 15,2. 02,1. 87 and 1. 51 Ga) were defined for both soft and flint facies, indicating a common source for the kaolin
Pereira, Alice. « Contribution à l'étude de la qualité des eaux des retenues amazoniennes : Application de la modélisation mathématique à la retenue de Tucurui (Brésil) ». Marne-la-vallée, ENPC, 1994. http://www.theses.fr/1994ENPC9422.
Texte intégralThe development of hydroelectric power in Amazonia has created many reservoirs. The reservoir water quality is subject to mdifications due to different factores among them th decomposition of the submerged terrestrial vegetation seems predominant. We tried to integrate these factors into a model to study the evolution of reservoir water quality. This model describes, on the longitudinal and vertical dimensions of the reservoir, the behaviour of five state variables : dissolved oxygen, organic matter in the water column, easily degradable organic matter, poorly degradable organic matter, and ammonium. This behaviour is described in aerobic and anaerobic conditions. The physical compartiment of the model uses two approaches to the longitudinal description of the reservoir. The first one uses a one-dimensional temperature model with a horizontal box discretization The second uses a one-dimensional temperature model with a description of the inflow intrusion into the reservoir. The model is calibrated and validated on the Tucurui (Brazil) reservoir data base The results indicate a correct simulation of the stratification and destrafication periods, as well as the evolution of the oxygen and ammonium concentrations. This modelling demonstrates the important part played by the decomposition of trunks and branches in the evolution of reservoir water quality. Indeed, their degradation causes a strong oxygen depletion while ammonium release is weak
O desenvolvimento hidrelétrico na Amazônia levou à criação de vários reservatórios nessa região. A qualidade da água desses reservatórios é submetida à modificações provocadas por diversos fatores sendo a degradacão da vegetação terrestre inundada um dos predominantes. Procurou-se então integrar esses fatores em um modelo matemático a fim de estudar a evolução da qualidade da água. Esse modelo descreve, na dimensão vertical e longitudinal do reservatório, o comportamento de cinco variáveis de estado : oxigênio dissolvido, matéria orgânica na coluna d’água, matéria orgânica de degradação rápida, matéria orgânica de degradação ráapida, matéria orgânica de degradação lenta, e amônia. Esse comportamento é descrito em condições aeróbicas e anaeróbicas. O modelo fisico utiliza dois métodos para a descrição longitudinal do reservatório. O primeiro método emprega um modelo térmico inidimentional e uma discretização do reservatório em comparimentos horizontais. O segundo emprega um modelo térmico unidimensional e uma descrição do escoamento do rio afluente dentro do reservatório. O modelo é calibrado e validado com os dados do reservatório de Tucurui (PA). Os resultados apresentam uma simulação correta dos fenômenos de estratificação e destrificação, bem como das concentrações de oxigênio dissolvido e amônia. Os resltados da modelagem matemática desse sistema ressalta a imporância da degradação dos troncos e galhos na evolução da qualidade da água do reservatório. Nota-se que a degradação dessas partes da vegetação provoca um consumo elevado de oxigênio ; entretanto, a liberação de amônia é fraca
Bardy, Marion. « Evolution des matières organiques au cours de la podzolisation des latérites du haut bassin amazonien (site du Jau, Brésil) ». Paris 6, 2008. http://www.theses.fr/2008PA066009.
Texte intégralDos, Santos Pinheiro Giana Márcia. « Bilan spatio-temporel du cycle du fer dans un grand bassin intertropical : étude isotopique de la matière en suspension des eaux du fleuve Amazone et de ses grands affluents ». Toulouse 3, 2013. http://www.theses.fr/2013TOU30014.
Texte intégralSuspended matter samples were collected during field campaigns on the Amazon, the Negro, the Solimões and the Madeira rivers. They were investigated for their iron isotope composition in order to verify the possible sources of iron and relate them to different physico-chemical parameters. The samples were collected in different locations and seasons, along depth and lateral profiles. For all the rivers studied, the suspended matter iron isotopic compositions do not display any relation with depth or lateral profiles. White water rivers (i. E. , Amazon, the Solimões and the Madeira) keep their isotopic composition constant and similar to the calculated mean value for the continental crust (d57FeIRMM-14 = 0. 1 ± 0. 03‰), even in different seasons. On the other hand, the Negro River show negative results and variations during the hydrological cycle. In white water rivers little or no fractionation occurs during the transport of iron from clastic sources (rock fragments) to the mainstream of these rivers. On the other hand, the main source of organic matter and reduced iron for the Negro River Basin are podzols that occur in this area. The Amazon River results indicate that the influence of suspended matter with continental crust-like iron isotopic composition from the Solimões and the Madeira rivers to the Amazon River is much stronger than the contribution of negative, organic-rich, suspended matter iron isotopic composition from the Negro River, which is organic-rich. It is inferred, on the basis of this study, that the Amazon River delivers to the Atlantic Ocean a slightly heavy and similar to the continental crust suspended matter iron isotopic composition
Farella, Nicolina. « Les fermes de la région frontière du Tapajos en Amazonie brésilienne : relations entre les origines familiales, les pratiques agricoles, les impacts sur les sols et le déboisement / ». Montréal : Université du Québec à Montréal, 2005. http://accesbib.uqam.ca/cgi-bin/bduqam/transit.pl?&noMan=24173907.
Texte intégralEn tête du titre: Université du Québec à Montréal. Comprend des réf. bibliogr. Publié aussi en version électronique.
Mulholland, Daniel Santos. « Étude de la spéciation et du fractionnement isotopique du fer dans les eaux de l'Amazone est ses affluents ». Toulouse 3, 2013. http://thesesups.ups-tlse.fr/2403/.
Texte intégralThis work aimed to evaluate the influence of Fe speciation on its isotopic composition in waters with contrasted chemical features. Iron isotope ratios were determined using a Thermo Finnigan Neptune MC-ICP-MS (Multicollector - Inductively Coupled Plasma - Mass Spectrometer) with medium or high resolution entry slits, according to the Fe concentration of the samples and the sensitivity of the equipment. The present study shows, for the first time, that Fe adsorption on the phytoplankton cell walls can cause significant isotopic fractionation with preferential accumulation of heavy isotopes on the solid interface. The observed Fe isotopic fractionation (?57Fecell-solution) was ~2. 5‰ for initial solutions containing aqueous Fe2+ species, and ~ 1. 0 ‰ for initial solutions containing aqueous Fe3+ species. This work also shows that bulk water sample storage can cause variations in the dissolved Fe isotopic composition, especially in waters with high concentrations of organic matter stored at room temperature. The Fe isotopic composition of the different pore-sized fractions from the Amazon Basin waters provided precise information about the sources and biogeochemical processes occurring in the upland soils and proved to be good proxies of the mechanisms involving Fe loss and transfer in the mixing zone. Considering that the Fe isotopes composition carries the records of the main sources and biogeochemical processes in soils, it can also be a promising tool to investigate the effects of land use modification and climate changes on continental weathering
Patry, Cynthia. « Caractérisation de l'usage des jachères forestières par les petits agriculteurs de la région du Rio Tapajós, en Amazonie brésilienne : un levier pour promouvoir une exploitation durable du territoire ». Mémoire, 2008. http://www.archipel.uqam.ca/1098/1/M10441.pdf.
Texte intégralSampaio, Da Silva Delaine. « Ressources halieutiques du tapajos en Amazonie Brésilienne : une étude écosystémique reliant les pratiques de pêche, les caractéristiques des bassins versants et la contamination au mercure ». Thèse, 2008. http://www.archipel.uqam.ca/1060/1/D1657.pdf.
Texte intégralGuentert, Angéla. « Analyse des représentations sociales des agriculteurs et des agriculteurs-pêcheurs familiaux, hommes et femmes, de la région de la rivière Tapajos (Para, Brésil) concernant l'usage de la coupe et du brûlis et les pratiques agricoles alternatives ». Mémoire, 2010. http://www.archipel.uqam.ca/3653/1/M11592.pdf.
Texte intégralLivres sur le sujet "Rivière Amazone"
Matevosyan, Naira, et Richard Matevosyan. Amazing French Riviera. CreateSpace Independent Publishing Platform, 2013.
Trouver le texte intégralKlerks, Cat. The Incredible Adventures of Louis Riel : Canada's Most Famous Revolutionary (Amazing Stories). Altitude Publishing, 2004.
Trouver le texte intégralChapitres de livres sur le sujet "Rivière Amazone"
Gow, Peter. « Living and Dying ». Dans Of Mixed Blood, 179–96. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780198273554.003.0009.
Texte intégral« 1. L’observatoire HyBAm sur les grandes rivières amazoniennes ». Dans Trajectoires de recherches en Amazonie brésilienne, 28–33. IRD Éditions, 2022. http://dx.doi.org/10.4000/books.irdeditions.47021.
Texte intégralRival, Laura. « Seed and Clone : The Symbolic and Social Significance of Bitter Manioc Cultivation ». Dans Beyond the Visible and the Material, 57–79. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780199244751.003.0004.
Texte intégralChaumeil, Jean-Pierre. « The Blowpipe Indians : Variations on the Theme of Blowpipe and Tube among the Yagua Indians of the Peruvian Amazon ». Dans Beyond the Visible and the Material, 81–99. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780199244751.003.0005.
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