967 resultados para Islands of the Adriatic
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Sediment patterns such as texture, composition, and facies from three selected areas of the Antarctic continental margin of the Weddell Sea are discussed in relation to environmental variations of the Quaternary hydrosphere and kryosphere. Advance and retreat of ice shelves as well as oscillations in sea ice coverage are reflected by particular sediment facies. The distribution of ice-rafted detritus tracks the Antarctic Coastal Current, and the Weddell Sea Bottom water contour current can be recognized by its distinctive winnowing and erosion pattern. Distribution and abundance of biogenic sediment components are mainly controlled by duration of sea ice coverage reflecting the long-term climatic evolution.
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A study was made of three cores from the Faeroe-Shetland gateway, based on planktonic foraminifera, oxygen isotopes, accelerator mass spectrometry 14C dates, magnetic susceptibility, and counts of ice rafted debris (IRD). The data, covering the period 30-10 ka, show that during the Last Glacial Maximum the Arctic Front occupied a position close to the Faeroes, allowing a persisting inflow of Atlantic surface water into the Faeroe-Shetland Channel. The oceanographic environment during deposition of two IRD layers is influenced by Atlantic surface water masses during the lower IRD layer, with transport of icebergs from N-NW. Polar surface water conditions prevailed only during deposition of the upper IRD layer. There is no indication of surface meltwater influence in the region during the deglaciation, but there is a persistent influence of Atlantic surface water masses in the region. Thus we conclude that during almost the entire period (30-10 ka) the Faeroe-Shetland Channel was a gateway for transport of Atlantic surface water toward the Norwegian Sea.
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Mode of access: Internet.
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Maps (2 folded leaves) in pocket.
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"Bibliographical notes": p. 98-100.
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"Published by the Academy of science, May, 1899."
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Project no. MO-011.
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Mode of access: Internet.
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Description based on: 1917.
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Mode of access: Internet.
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pt. I. A list of books (with references to periodicals) on the Philippine Islands in the Library of Congress, by A. P. C. Griffin ... with chronological list of maps in the Library of Congress, by P. Lee Phillips.--pt. II. Biblioteca filipina ó sea catálogo razonado de todos los impresos, tanto insulares como extranjeros ... por T. H. Pardo de Tavera.
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Mode of access: Internet.
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Bibliography: p. 440-441.
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Mode of access: Internet.
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Mode of access: Internet.