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Littérature scientifique sur le sujet « Panaches fluviaux »
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Articles de revues sur le sujet "Panaches fluviaux"
Videau, Christiane, Mireille Ryckaert et Stéphane L'helguen. « Phytoplancton en baie de Seine. Influence du panache fluvial sur la production primaire ». Oceanologica Acta 21, no 6 (novembre 1998) : 907–21. http://dx.doi.org/10.1016/s0399-1784(99)80015-2.
Texte intégralBaghdadi, N., et P. Broche. « Méthodologie pour une utilisation conjointe de données eulériennes et langrangiennes de courant pour estimer un coefficient de diffusion horizontale côtières ». Revue des sciences de l'eau 8, no 3 (12 avril 2005) : 403–21. http://dx.doi.org/10.7202/705231ar.
Texte intégralChardon, Valentin, Laurent Schmitt, Hervé Piégay, Jean-Nicolas Beisel, Cybill Staentzel, Agnès Barillier et Anne Clutier. « Effects of Transverse Groynes on Meso-Habitat Suitability for Native Fish Species on a Regulated By-Passed Large River : A Case Study along the Rhine River ». Water 12, no 4 (31 mars 2020) : 987. http://dx.doi.org/10.3390/w12040987.
Texte intégralSarmah, Biswajit. « Empire, Nature and Agrarian World : A History of Rhino Preservation in the Kaziranga Game Reserve, India (1902–1938) ». Environment and History, 2023. http://dx.doi.org/10.3197/096734023x16702350656960.
Texte intégralChakraborty, Partha Pratim, Rahul Bailwal, Pritam P. Paul et Aditi Sharma. « Alluvial Sedimentary Records in Indian Precambrian Basins : Implications Toward Unique Precambrian Sedimentary Environment ? » Frontiers in Earth Science 10 (11 juillet 2022). http://dx.doi.org/10.3389/feart.2022.892717.
Texte intégralThèses sur le sujet "Panaches fluviaux"
Hordoir, Robinson. « Vers une paramétrisation des apports fluviaux dans la circulation générale océanique ». Caen, 2007. http://www.theses.fr/2007CAEN2045.
Texte intégralContinental runoff is usually poorly described in most ocean general circulation models used for climate research. Although the inflow of freshwater from continents is very small compared with any large scale current, its influence is known to be important. This work aims at providing a better representation of continental runoff in ogcms in order to ensure a dynamical continuity of freshwater from continents towards global ocean circulation. It is shown that land surface models should be the only reliable source for continental runoff to be considered from a global point of view. Interaction between river plumes and global circulation is investigated. It is shown that is possible to take into account some processes that affect the fate of freshwater once it has reached the continental shelf. These processes may be taken into account using only data available from a global scale. In order to include the baroclinic dynamics created by river inflows in coastal regions, a closure of this subgrid scale process is suggested. Based on energy conservation, a box model is created that proves to have the same behaviour than a realistic high resolution river plume simulation
Bertin, Clément. « The role of the Mackenzie River in the carbon biogeochemistry of the Beaufort Sea coastal waters (Arctic Ocean) ». Electronic Thesis or Diss., La Rochelle, 2023. http://www.theses.fr/2023LAROS007.
Texte intégralAbout 10 % of atmospheric carbon dioxide is sequestered in the ocean above 60°N, half of which is in coastal seas where 10 % of the global riverine freshwater volume flows in. Five of the world’s largest rivers convey in the Arctic Ocean (AO) huge quantities of dissolved carbon in the organic (DOC) and inorganic (DIC) form. The response of the coastal ocean to this supply is still highly uncertain, which makes the assessment of air-sea CO2fluxes challenging in this remote region. It is thus timely to gain a better understanding of the impact of terrestrial carbon released by watersheds on air-sea CO2 fluxes in Arctic rivers plumes, especially in a context of global warming. In the present PhD thesis, the ECCO-Darwin ocean-sea ice-biogeochemical model is used to investigate the synoptic to interannual response of the South eastern Beaufort Sea (Western AO) to the Mackenzie River’s carbon exports. The model includes the very first daily terrestrial DOC (tDOC) runoff forcing estimated through merging riverine in situ measurements and coastal remotely sensed data at three major delta outlets, over the last two decades (2000-2019). We find that interannual variability in river discharge modulates localized air-sea CO2flux in the coastal plume with riverine DIC contributing twice as much as riverine DOC to CO2 outgassing. As current knowledge on tDOC remineralization in Arctic plume regions is still uncertain, the range of air-sea CO2 flux variability due to microbial remineralization is estimated to ±0.39 TgC yr−1 in 2009. Other biophysical processes also contribute to the high CO2 flux variability, such as tDOC flocculation (+0.14 TgC yr−1 in gassing) and enhanced plume stratification (+0.35 TgC yr−1 outgassing). To conclude, the work presented here intends to pave the way toward a better representation of the land-to-ocean continuum (LOAC) in regional Arctic models with the aim to improve the simulated carbon cycle in rapidly changing Arctic watersheds and coastal seas
Lorthiois, Thomas. « Dynamique des matières en suspension dans le panache du Rhône (Méditerranée occidentale) par télédétection spatiale " couleur de l'océan " ». Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00772427.
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