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  • Springer  (5)
  • Royal Society of London  (2)
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  • 1
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    The North Sea: An Overview [and Discussion] (1987)
    Royal Society of London
    In:  Philosophical Transactions of the Royal Society B: Biological Sciences, 316 (1181). pp. 461-485.
    Details
    Publication Date: 2020-06-11
    Description: An overview is given of the natural systems of the North Sea: water-circulation, topography and geology of the sea floor, sediment transport, influx of trace constituents (nutrients, trace metals, organic compounds), biological systems and their interrelations. The effects of pollution and other human activities are discussed as well as the difficulties in assessing them where they are obscured by natural changes.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1098/rstb.1987.0032
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 2
    Electronic Resource
    Electronic Resource
    Sedimentary processes on an estuarine marsh island within the turbidity maximum zone of the Yangtze River mouth (2000)
    Springer
    Geo-marine letters 20 (2000), S. 87-92 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Sedimentary characteristics and processes on an estuarine marsh island in the Yangtze Estuary (East China Sea) show that (1) the mean grain size of the surficial sediments varies between 0.003 and 0.16 mm, the finest sediment being more enriched in the marsh center particularly under calm weather conditions during the flood season, and the coarsest sediment being more enriched on the low seaward tidal flats particularly after storms; (2) the sediment organic carbon content is generally less than 1.4 wt%; (3) the annual vertical marsh accretion is in the range of 20 cm, with a maximum value of 40 cm in the middle of the marsh; and (4) the seasonal cycle in plant growth strongly influences sediment grain size and erosion-accretion events.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003670000042
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Particle size of suspended matter in estuaries (1991)
    Springer
    Geo-marine letters 11 (1991), S. 147-153 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Suspended matter usually flocculates into fragile flocs that break up during sampling and analysis. Coulter counter and pipette size analysis are therefore an indication of floc strength. Grain-size distributions (after removal of organic matter) give an indication of the relative amount of grains transported as flocs (as opposed to being transported as single particles).In situ size distributions of suspended matter (flocs) in the Scheldt and Rhine estuaries and the Gironde, as well as results from the Zaire River estuary, indicated that salt flocculation does not appear to be of importance for the formation ofin situ flocs. Also there is no clear relation with particle concentration. In estuaries probably no equilibrium between floc size and concentration is reached because of the rapid variations in turbulence and bottom shear. In the Zaire estuary a decrease in turbulence in the surface water results in flocs of the same size as differential settling over a depth of more than 100 meters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02431001
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Marine muds along the Guyana coast and their origin from the Amazon basin (1971)
    Springer
    Contributions to mineralogy and petrology 31 (1971), S. 321-334 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The mineralogical composition of clay samples from the Amazon basin and the Guyana coast, including samples collected inland and on the continental shelf, was investigated by X-ray diffraction. Also humus content, specific surface and degree of potassium fixation were determined. The muds from the Guyana coast have virtually the same composition as those of the Amazon but are very different from the Guyanese soils and river muds. This suggests that most Guyanese coastal muds come from the Amazon which is confirmed by a consideration of the quantities involved. The only measurable effect of the sea water on the mud particles moving from the Amazon to Venezuela, which takes from one month up to 1000 years, is a decrease in potassium fixation, indicating that some potassium has been taken up from the sea water. The presence of large amounts of soil chlorite in shelf samples may be due to a prolonged contact with sea water but most probably is the result of subaereal conditions during the Pleistocene.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00371152
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Tidal variations in suspended matter floc size in the Elbe river and Dollard estuaries (1994)
    Springer
    Aquatic ecology 28 (1994), S. 267-274 
    Details
    ISSN: 1573-5125
    Keywords: flocculation ; suspended matter ; tidal channels
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In-situ floc size measurements were made in suspended matter of the Elbe and Dollard estuaries. Floc size was found to be generally smaller in the surface water than in the bottom water and varied systematically with time in relation to the tidal phase. Maximum floc size was also related to particle concentration and, in the Dollard, probably also to flow on and off the tidal flats. Salinity and the total organic matter content of the suspended matter played a minor or no role. Since flocs break up into uniform size distributions during sampling and analysis, Coulter counter particle size was about constant during the tidal cycle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02334194
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Publications (1987)
    Springer
    Aquatic ecology 21 (1987), S. 235-246 
    Details
    ISSN: 1573-5125
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02255449
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    Paper (German National Licenses)
    Fulltext
  • 7
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    Unknown
    The North Sea : an overview (1987)
    Royal Society of London
    In:  Philosophical Transactions of the Royal Society of London, Series B, 316 (1181). pp. 461-485.
    Details
    Publication Date: 2017-05-24
    Description: An overview is given of the natural systems of the North Sea: water-circulation, topography and geology of the sea floor, sediment transport, influx of trace constituents (nutrients, trace metals, organic compounds), biological systems and their interrelations. The effects of pollution and other human activities are discussed as well as the difficulties in assessing them where they are obscured by natural changes.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    OceanRep: Article in a Scientific Journal - peer-reviewed
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