Academic literature on the topic 'Lithosphère – Teneur en eau'
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Journal articles on the topic "Lithosphère – Teneur en eau"
Koussa, Tayeb, Michel Broquedis, and Jacques Bouard. "Relations entre la teneur en acide abscissique des bourgeons latents de vigne (Vitis Vinifera L. var. Merlot noir) et leur teneur en eau." OENO One 28, no. 3 (September 30, 1994): 203. http://dx.doi.org/10.20870/oeno-one.1994.28.3.1142.
Full textDaghari, H., and L. DeBacker. "Transfert d'eau dans un milieu poreux non isotherme." Revue des sciences de l'eau 13, no. 1 (April 12, 2005): 75–84. http://dx.doi.org/10.7202/705382ar.
Full textNowakowski, Wiesław. "Action de I'AlA sur la teneur en azote total et protéinique des graines de céréales cultivées à different niveau de la capacité capillaire en eau." Acta Agrobotanica 26, no. 1 (2015): 89–95. http://dx.doi.org/10.5586/aa.1973.006.
Full textLocat, Jacques, and Guy Lefebvre. "Étude de la formation des sédiments fins glacio-lacustres du lac Barlow-Ojibway : le site d’Olga, Matagami, Québec." Géographie physique et Quaternaire 35, no. 1 (January 25, 2011): 93–103. http://dx.doi.org/10.7202/1000381ar.
Full textSommier, Alain, Christophe Pradere, Hocine Boutaleb, Laura Rodriguez, Denis Bruneau, Jean-Rodolphe Puiggali, and Jean-Christophe Batsale. "Mesure de cartographies de teneur en eau par imagerie térahertz." Instrumentation Mesure Métrologie 15, no. 3-4 (December 30, 2016): 161–75. http://dx.doi.org/10.3166/i2m.15.3-4.161-175.
Full textBen Nasrallah, S., and G. Arnaud. "Séchage d'un milieu poreux contenant une faible teneur en eau." International Journal of Heat and Mass Transfer 29, no. 9 (September 1986): 1443–49. http://dx.doi.org/10.1016/0017-9310(86)90176-6.
Full textAlonso, E. "Effet des variations de teneur en eau dans les sols compactés." Revue Française de Géotechnique, no. 62 (1993): 7–22. http://dx.doi.org/10.1051/geotech/1993062007.
Full textLévi, Y., G. Randon, C. Denojean, A. Pagliardini, G. Vajente, and H. Champsaur. "Etude d'un réseau à très faible teneur en matière organique biodégradable : le réseau de la ville de Nice." Revue des sciences de l'eau 5 (April 12, 2005): 225–43. http://dx.doi.org/10.7202/705162ar.
Full textMajdoub, R., J. Gallichand, and J. Caron. "Estimation De La Teneur En Eau Immobile Et Du Coefficient D’Échange Selon Deux Méthodes." Canadian Water Resources Journal 26, no. 4 (January 2001): 481–502. http://dx.doi.org/10.4296/cwrj2604481.
Full textBaumer, Alain, Max Ganteaume, and Michel Bernat. "Variations de la teneur en eau des coraux lors de la transformation aragonite → calcite." Thermochimica Acta 221, no. 2 (July 1993): 255–62. http://dx.doi.org/10.1016/0040-6031(93)85070-p.
Full textDissertations / Theses on the topic "Lithosphère – Teneur en eau"
Thomaidis, Konstantinos. "Do mantle xenoliths preserve water signature from the lithospheric mantle and how ? : An analytical, experimental and numerical approach." Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR008.
Full textWater in the form of hydrous point defects in the crystal structure of pyroxenes (pxs) from mantle xenoliths is frequently used to trace the water content in the lithospheric mantle. However, little is known on the mechanism that allows xenoliths to preserve deep hydrogen (H) signatures and if we can avoid complete or partial reset by reaction with the host magma during transport. Especially, it is unknown: 1) how much water content of xenoliths is modified by the eruption mode (effusive versus explosive) and during lava emplacement 2) how grain boundaries (gb) can affect H exchange in the xenolith with the surrounding melt. The aim of this thesis is to provide better understanding on these two aspects of the preservation of water signature in mantle xenoliths. The first question is approached through an analytical study of peridotite xenoliths from two localities in the French Massif Central, Allègre and Ray Pic. We performed around 1000 FTIR point analysis and profile measurements in ol, cpx and opx crystals derived from 16 xenoliths collected on both localities. The two localities have different lava flow structures, Allègre is a frozen lava lake and has a vertical structure while Ray Pic basaltic lava flow is a typical elongated/horizontally one. In Allègre, we studied xenoliths from different heights in the 30 m lava body. In Ray Pic we sampled xenoliths along the 20 km lava flow and in a pyroclastic deposit at the volcanic edifice. Both studies show that there is no evidence that cooling and solidification of basaltic flows affect the total water content of pxs in mantle xenoliths. However, the comparison of the xenoliths from the pyroclastic deposit and the lava flow at Ray Pic shows that the water concentration is strongly affected by the degree of degassing of the magma prior the eruption. In addition, xenoliths with different spectral signatures of pxs coexist with the same lava flow suggesting that the emplacement and degassing does not affect spectral signatures, suggesting that they may preserve signatures acquired earlier.For the second question, we concentrated on the study of the role of gb on the H isotopic exchange of the xenoliths with its surrounding. We used a combine experimental and numerical approach. In our experimental approach, we present results from hydrogen-deuterium exchange experiments performed in cm-size cubic pieces of a natural xenolith, a spinel lherzolite aggregate. Experiments were performed between 600-900oC in a deuterium (D) enriched gas, at room pressure. We used single crystals of opx from the same xenolith, as sensors of the progress of the exchange within the polycrystalline aggregates. We compared diffusion profiles measured in single crystals and opx located at the edge of the cubes with diffusion profiles in opx inside the cubes, not directly in contact with the gas. Diffusion profiles were analysed through a 2D numerical modelling software (Idefick). Our H-D diffusion laws for intra-crystalline diffusion in mantle opx are slightly slower but comparable to the ones in literature for synthetic pure enstatite. OH-OD profiles recorded by FTIR in opx inside the cubes are only moderately shorter than the ones recorded in opx at the edge of the cubes (i.e. apparent diffusion inside the cubes are only moderately slower). These results indicate that the isotopic diffusion of H in gb is fast enough to equilibrate rapidly the opx crystals inside the cube xenoliths. It shows that grain boundary diffusion involving H-D exchange in xenoliths is at least 3 orders of magnitude faster than intra-crystalline diffusion in opx. This can be a first-evidence that in nature the δD signature of xenoliths is very likely controlled by the equilibrium with the host magma even in the case of xenoliths with large grain size. It provides explanation why pxs from most mantle xenoliths have depleted δD signatures. These rather reflect equilibrium with a degassed magma than an original mantle signature
Verati, Chrystèle. "Hydrothermalisme océanique et isotopes du plomb. Implication sur le cycle du Pb lors des échanges océan-lithosphère. Cas de trois sites dans l'océan Pacifique (Bassin nord-fidjien, microplaque de l'Ile de Pâques et puits ODP 504B)." Montpellier 2, 1997. http://www.theses.fr/1997MON20252.
Full textYang, XiaoZhi. "Water content and H-O-Li isotopes in lower crustal granulite minerals." Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL028N/document.
Full textFor the first time, systematic investigations of water content and H-O-Li isotopic compositions of minerals in lower crustal granulites, as well as water content of minerals in mantle peridotites, from eastern China have been carried out by Fourier transform infrared spectrometer and ion microprobe. The results show that: (1) Nominally anhydrous minerals, such as pyroxenes and plagioclase, in the lower crust generally contain trace amounts of structural water, with their content (H2O by wt.) varying from 200 to 2330 ppm for clinopyroxene, 60 to 1875 ppm for orthopyroxene, 65 to 900 ppm for plagioclase and 155 to 1100 ppm for the estimated bulk compositions. (2) Water contents of minerals in lower crustal granulites from eastern China, and their bulk values, are significantly higher than those in the underlying upper mantle, implying vertical heterogeneities of water distribution in the deep continental lithosphere; the contrast in water content even affect the rheological strength of the lithosphere. (3) The O-isotopic compositions of pyroxenes in the lower crustal granulites from eastern China are highly variable between different localities (~ 4.5 to 12.5‰, expressed in [delta]18OSMOW values), indicating variable influences from recycled crustal materials on their protoliths. (4) The H-isotopic compositions of granulite minerals from eastern China, are mostly in the range of -80 to -10‰ expressed in [delta]DSMOW values, and these minerals are usually in equilibrium with their [delta]D values. The relatively high [delta]D of granulite minerals may be related with degassing loss of H during the genesis of granulites. (5) The Li-isotopic compositions of granulite minerals from eastern China are usually in the range of -13 to 4.7‰, mostly lower than those of MORB (2-6‰). They reflect the source heterogeneity and are probably results of high-T Li diffusion during the intrusion of their original melts into the preexisting lower crust. (6) The large dispersion of Li and water contents and of H-O-Li isotopic results indicate the absence of any pervasive fluids in the lower crust
Van, Hullebusch Eric. "Contribution à l'étude du devenir, de la mobilité et de l'impact de métaux utilisés pour le traitement de plans d'eau eutrophes : cas de l'aluminium et du cuivre." Limoges, 2002. http://www.theses.fr/2002LIMO0016.
Full textSamri, Driss. "Analyse physique et caractérisation hygrothermique des matériaux de construction." Lyon, INSA, 2008. http://theses.insa-lyon.fr/publication/2008ISAL0067/these.pdf.
Full textBuilding materials are porous materials, and therefore very sensitive to water. Due to variable hermodynamical ambient conditions, processes of energy and mass transfers between the ambient air and the material occur. These exchanges lead to important modification of their thermal properties and their durability. For instance, measurements of the thermal conductivity of Hemp Lime Concrete, placed in climatic chamber in which the relative humidity is 75%, show a variation of 30%. This PhD Thesis deals with the case of three porous buildin materials: Aerated Autoclaved Concrete (AAC), Hemp Lime Concrete (HLC) and Vertically Perforated Brick (VPB). The hygrothermal behaviour of these materials is studied with the experimental set-up called cell of exchange. This cell consists of test walls which are place between a climatic box and the laboratory. The scope of this experimental work is to create gradients of temperature and of relative humidity through the sample. So, the study aims to measure and characterise heat and mass flows in these materials. Ln a second part, simulation are performed to design, expiain and interpret the experimental results. They are done in COMSOL Multiphysics. Ln a first approach, only the heat equation in 1 D has been implemented in the toolbox. Comparisons between experimental and theoretical results gives us the therm properties of tested materials (ʎ,ρ,c,hs et a). The numerical modeling approach shows that, contrary to AAC or VPB, HLC involves a complex interaction between heat transport and mass transfer through the material. So, simulations on HLC are investigated through the problematic of phase change materials
Gu, Xiaoyan. "Melt-rock interaction signatures in peridotite from sub-continental mantle (French Massif Central) : A trace element, H, Li and δ7Li approach." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0052/document.
Full textPeridotite xenoliths sampled from two volcanoes erupting in different modes in two localities, Allègre and Mont Coupet, in the southern domain of the French Massif Central (FMC), have been investigated to constrain the evolution of the sub-continental lithospheric mantle beneath the FMC and the behaviors of Li and H during melt-rock reactions. To answer these questions, a set of 6 representative xenoliths was selected for each locality, and described for their mineralogy and petrography. In-situ measurements were then performed for major and trace elements in Ol, Cpx and Amp when existing, via EPMA and LA-ICP-MS respectively, for Li concentrations and isotopic compositions in pyroxenes and Ol (via SIMS), and water concentrations in minerals (via FTIR and SIMS). Negative HFSE anomalies and markedly high LREE/HREE ratios reflect a carbonatite-related metasomatism following an earlier partial melting process in the lithospheric mantle under Allègre. The Ti and Nb negative anomalies in Cpx from all the Mont Coupet samples and Zr-Hf negative anomalies in Cpx from two most strongly metasomatized samples MC38 and MC34 also point to a carbonatite-related mantle metasomatism. Amp in samples MC36 and MC53, whose origin should be associated with fluids from the subducting slab, have equilibrated most of the trace element composition with coexisting Cpx and the modal metasomatism responsible for the Amp genesis haven’t refertilized Cpx in LREE and LILE. Lithium isotope systematics indicates that Allègre xenoliths were overprinted by (at least) a two-stage metasomatism by melts of different origins. Exceptionally high Li concentrations in Cpx (up to 50 ppm by weight) and slightly increased Li contents at Ol rims are ascribed to a diffusive Li uptake from infiltrating melts derived from the host magma. On the other hand, extremely light Li isotopic compositions preserved in Ol cores (with δ7Li as low as -25‰) suggest another metasomatic event prior to xenolith entrainment by the host magma. In contrast, xenoliths from Mont Coupet have Li concentrations in constituent minerals similar to the normal mantle, and display nearly equilibrated inter-mineral Li partitioning and homogeneous intragranular Li distribution in every phase. The negative δ7Li values of Cpx and Opx in some samples were brought by the exchange with a small-volume melt with Li concentration similar to the normal mantle and light Li isotopic compositions. The preservation of inter-mineral large Li isotopic fractionation currently observed in these samples indicates that the percolation of the melt should occur shortly prior to the entrainment of Mont Coupet peridotite xenoliths by the host magmas. The metasomatic agents, accounting for negative δ7Li values in Ol cores in Allègre xenoliths and in Cpx and Opx in some Mont Coupet xenoliths, are related to a subduction environment. In the regional framework of the FMC, the subduction event most likely occurred during the Variscan orogeny. Water content in Allègre xenoliths ranges from 10.6 to 12.4 ppm in weight, much lower than the water content in the MORB source mantle. It implies that water were lost during the degassing of the host magma during slow cooling of the lava lake. No core-rim variations from profile analysis suggest that xenoliths have achieved water diffusive equilibrium with the host magmas. Peridotite xenoliths from Mont Coupet have retained their original water content from the mantle depths. Partial melting has controlled the water content in most samples from Mont Coupet. However, the subsequent carbonatite-related metasomatism has affected the sample MC34, which had the highest water content among the Mont Coupet xenoliths. And the aqueous agent responsible for presence of Amp in samples MC36 and MC53 has not lead to the considerable increase of water content
Pallier, Virginie. "Elimination de l’arsenic par coagulation floculation et électrocoagulation d’eaux faiblement minéralisées." Limoges, 2008. https://aurore.unilim.fr/theses/nxfile/default/132b8acd-9e31-4857-aa02-0020c9c316b6/blobholder:0/2008LIMO4062.pdf.
Full textThe mobilization of arsenic in the environment by naturally occurring processes results in source water contamination. While drinking water represents the main source of exposure to inorganic arsenic, this source water contamination increases the human health hazard. Thus, the maximum contaminant level of arsenic in drinking water was reduced to 10 µg/L and as a consequence new analytical methods and efficient and innovative arsenic removal processes have to be developed and optimized. Here As(III) was quantified by hydride generation atomic absorption spectrometry or by square wave cathodic stripping voltammetry depending on matrix composition. Both chemical and electrochemical processes as coagulation flocculation with Iron(III) salts and electrocoagulation, were optimized to remove arsenic. Their efficiency depends on arsenic speciation, pH, treatment dose and presence of organic matter. These parameters also control the arsenic removal mechanisms
Mioche, Dominique. "Aspects du cycle de la matière sur les récifs frangeants de l'île de la Réunion (Océan Indien) : signature des dégradations et mécanismes de l'eutrophisation." La Réunion, 1998. http://elgebar.univ-reunion.fr/login?url=http://thesesenligne.univ.run/98_15_Mioche.pdf.
Full textThomas, Catherine Reine. "Modélisation tridimensionnelle des champs de nitrates et d'oxygène et de la production nouvelle dans l'océan Atlantique tropical en 1982-1984." Toulouse 3, 1995. http://www.theses.fr/1995TOU30080.
Full textStephant, Alice. "Le Rapport isotopique de l'hydrogène dans le système solaire interne : à la recherche des sources physico-chimiques de l'eau planétaire." Paris, Muséum national d'histoire naturelle, 2014. http://www.theses.fr/2014MNHN0022.
Full textCurrent dynamical models of Solar System formation and geochemical models agree on a likely chondritic origin for the terrestrial water. Indeed, primitive meteorites, called chondrites, have undergone an aqueous alteration process on their parent bodies. Moreover, these meteorites are one of the considered sources for the existence of water in lunar minerals. This thesis lies on hydrogen isotopic ratios and water contents measured using NanoSIMS in the carbonaceous chondrite Paris and lunar soils from the Apollo missions. Chondrules in Paris meteorite seem to have registered a water source distinct from the one of the parent body aqueous alteration. For the moon, water retained in soils is majority formed by implantation of the solar wind hydrogen
Books on the topic "Lithosphère – Teneur en eau"
biologiques, Canada Ministère des pêches et des océans Direction des sciences. Comportement géochimique de l'aluminium dans quelques rivières à saumon de la Côte-Nord (golfe du Saint-Laurent). Mont-Joli, Qué: Ministère des pêches et des océans, Direction des sciences biologiques, 1989.
Find full textBolinder, Martin. Indicator of risk of water contamination: Methodology for the phosphorus component. Ottawa: Agriculture and Agri-Food Canada, 1998.
Find full textBolinder, Martin. Indicateur des risques de contamination de l'eau: Méthodologie pour la composante phospore. [Ottawa?]: Agriculture et agroalimentaire Canada, 1998.
Find full textBothwell, Max L. Régulation de la production et de la biomasse algales par le phosphore dans la rivière Thompson, Colombie-Britannique. Saskatoon, Sask: Centre national de recherche en hydrologie, 1989.
Find full textCanada. Ministère des pêches et des océans. Développement, Évaluation Sensorielle et Stabilité Microbiologique D'une "Bouchée" et D'une Garniture de Poisson A Teneur Moyenne en Eau". S.l: s.n, 1987.
Find full textMacDonald, K. Bruce. Indicator of risk of water contamination: Nitrogen component. Ottawa: Agriculture and Agri-Food Canada, 1996.
Find full textArsenic in drinking water. Washington, D.C: National Academy Press, 1999.
Find full textOffice, Canada National Guidelines and Standards. Canadian guidance framework for the management of phosphorus in freshwater systems. Ottawa: Environment Canada, National Guidelines and Standards Office, 2004.
Find full textInternational Agency for Research on Cancer., ed. Some drinking-water disinfectants and contaminants, including arsenic. Lyon, France: IARC Press, 2004.
Find full text(US), National Research Council. Arsenic in Drinking Water: 2001 Update. National Academies Press, 2001.
Find full textBook chapters on the topic "Lithosphère – Teneur en eau"
CHANZY, André, Patrick BERTUZZI, and Laurent BRUCKLER. "Estimation de la teneur en eau de surface des sols nus à l’aide des mesures hyperfréquences actives." In Télédétection de l'environnement dans l'espace francophone, 55–74. Presses de l'Université du Québec, 2011. http://dx.doi.org/10.2307/j.ctv18pgwp2.10.
Full textBore, Thierry, Dominique Placko, Sylvie Delepine-Lesoille, Frédéric Taillade, Pierre Sabouroux, and Gonzague Six. "Sonde électromagnétique pour la mesure de teneur en eau des matériaux poreux. Application aux argilites : caractérisation et modélisation." In Instrumentation et Interdisciplinarité, 81–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-010.
Full textBore, Thierry, Dominique Placko, Sylvie Delepine-Lesoille, Frédéric Taillade, Pierre Sabouroux, and Gonzague Six. "Sonde électromagnétique pour la mesure de teneur en eau des matériaux poreux. Application aux argilites : caractérisation et modélisation." In Instrumentation et Interdisciplinarité, 81–86. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c010.
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