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  • Cartographie du prisme sedimentaire Holocene en baie de Seine orientale, par sismique reflexion a haute definition

    Auteurs :

    • Auffret, J
    • D'Ozouville, L

    text | Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1986 | 1985-01-24

    After the cartography of a Holocene sedimentary prism, results of 8,000 years of natural evolution and 150 years of coastal equipment, the authors research an active sedimentary system, characteristic of present evolution.

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  • Evolution des moyens d''investigation hydrosedimentaire dans l''estuaire de la Seine

    Auteurs :

    • Rambaud, B
    • Hauville, S

    text | Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1986 | 1985-01-24

    After using physical and mathematical models to equip Seine Estuary, it was necessary to develop new investigation methods. This paper describes the methodology and the means used as the first results obtained.

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  • Impact biosedimentologique d'amenagements portuaires en estuaire de Seine

    Auteurs :

    • Desprez, M
    • Dupont, J

    text | Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1986 | 1985-01-24

    Many harbour installations have reduced the intertidal zone and involved estuary choking by marine sediments. In 1980, weirs were built in dikes of navigation channels. This study strikes the balance of their impact on estuarine b...

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  • Evaluation des apports fluviatiles dans l''estuaire de la Seine

    Auteurs :

    • Avoine, J

    text | Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1986 | 1985-01-24

    Economic activities and urbanization along the Seine watershed, are the main factors of increased river discharge with natural deposits. A long term supervision of this river has allowed the assessment of the liquid flow rate, the...

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  • Influence des apports fluviatiles en Baie de Seine

    Auteurs :

    • Avoine, J
    • Crevel, L

    text | Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1986 | 1985-01-24

    Hydrological study of Seine Bay displays two areas differentiated by salinity distribution. One has marine characteristics and the other is under fluvial influence. In this paper the authors give the main results of exchanges betw...

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