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  • Open Access
    Authors: 
    Ernst Uzhansky; Boris Katsnelson; Andrey Lunkov; Ilia Ostrovsky;
    Publisher: ASA

    The spatiotemporal variability of low- and mid-frequency sound field in the presence of an internal Kelvin wave (IKW) is studied theoretically and in an experiment in the Sea of Galilee, Israel. Measurements of the sound field were carried out using a vertical line arra...

  • Authors: 
    J.-L. Arsenault; R. Paul; R. Reid; J. Cardin;
    Publisher: European Association of Geoscientists & Engineers

    A major hydroelectric project of Hydro-Quebec (Rupert River Diversion) required geophysical investigations at the location of future sites where weirs and cofferdams will be constructed. The engineers required accurate information of the rock profile and the bathymetry ...

  • Publication . Part of book or chapter of book . Conference object . 2011
    Open Access English
    Authors: 
    Tron Vedul Tronstad; Jens M. Hovem;
    Publisher: IEEE
    Country: Norway

    Marine seismic exploration uses air guns or air gun arrays to generate high energy, short duration acoustic pulses deep into the ocean floor but some of the seismic/acoustic energy remains in the water column and can propagate to considerably distances. This may cause d...

  • Closed Access
    Authors: 
    Litany Meliala; Tabah Juliansah; Didit Adytia; Teguh P. Sidiq; Wiwin Windupranata; Poerbandono;
    Publisher: IEEE

    In this presented paper, an effort to improve the accuracy of the bathymetric model derived from optical satellite imagery is discussed. According to the previous study, the accuracy approximately measures in 2 m for depth up to 10 m by means of the Global Bathymetric I...

  • Open Access
    Authors: 
    Gilles Morandeau;
    Country: France
  • Open Access English
    Authors: 
    Marie Vagner; Eric Pante; Amélia Viricel; Thomas Lacoue-Labarthe; José-Luis Zambonino-Infante; Patrick Quazuguel; Emmanuel Dubillot; Valérie Huet; Hervé Le Delliou; Christel Lefrançois; +1 more
    Publisher: HAL CCSD
    Country: France

    International audience; Highly unsaturated fatty acids of the omega-3 series (HUFA) are major constituents of cell membranes. yet are poorly synthesised de novo by consumers. Their production, mainly supported by aquatic microalgae, has been decreasing with global chang...

  • Open Access French
    Authors: 
    Le Roy, Didier; Rouyer, Armelle; Emilie Le Roy;
    Country: France

    Le SIH, Système d'Informations Haliteutiques, édite des cartes des secteurs de pêche. Les secteurs règlementaires sont complétés par ceux du référentiel des secteurs de l'Ifremer.

  • Authors: 
    Yusuke Uchiyama; Yoshiaki Kuriyama;

    Complex principal component analysis (CPCA) is applied to examine medium-term geomorphological behavior of an exposed sandy beach adjacent to a gigantic breakwater of the Port of Sendai located near a river mouth in the Sendai Coast, Japan, using a 12-year series of bat...

  • Authors: 
    Shusun Li; M. Jeffrtes; K. Morris;
    Publisher: IEEE

    There are thousands of shallow lakes on the North Slope of Alaska. They are one of the most obvious manifestations of the hydrological system at work, and they play an important role in physical, biological and biogeochemical processes in the tundra environment. The dep...

  • Open Access
    Authors: 
    PHILIPPE GOULLETQUER; Joly, Jean-Pierre; Le Gagneur, Eric; Ruelle, Francois;
    Country: France

    La Normandie est actuellement un des principaux secteurs de production des bivalves avec un tonnage annuel de 35 000 t d'huîtres C. gigas et Il 000 t de moules M . edulis. Des études préliminaires ont été effectuées en 1989, 1991 et 1992 afin de mettre au point la strat...