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  • population statistics  (2)
  • Great Lakes  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 176-177 (1989), S. 99-110 
    ISSN: 1573-5117
    Keywords: sediment texture ; fine sediments ; silt/clay ratio ; dispersion ; Great Lakes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The dispersion of fine sediment is greatly influenced by factors that induce flocculation, and which thereby determine whether particulates will settle in aggregate form or as discrete grains. The transport and deposition of silt and clay particulates in both marine and non-marine environments may be influenced by flocculation. Because the transport of sediment-associated contaminants is largely influenced by the behaviour of sub sand-size material, it is important to understand the factors which influence patterns of deposition. The silt/clay ratio has been used in an attempt to simplify description of the physical processes of sediment/water interaction, and most examples have been drawn from the Great Lakes. The silt/clay ratio has been related to other characteristics of the total particle-size distribution. As an indicator of many sedimentary conditions, it must be coupled with other measurements of particle-size.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 91-92 (1982), S. 71-84 
    ISSN: 1573-5117
    Keywords: sediments ; lakes ; seas ; oceans ; energy relationships ; population statistics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediments in the marine environment are generally subject to higher energy levels than those of lake systems, and lakes are virtually unaffected by tidal range which modifies beach structures formed in response to wave effects. However, despite different energy levels, the textural characteristics of both marine and lacustrine sediments are very similar. The main difference between marine and lacustrine facies is the depth range over which these characteristics remain consistent. In lakes, depth limitation may influence the development of surface waves and restrict textural distributions. Simple textural relationships can be used to describe comparable marine and lacustrine sedimentary conditions. Sediments which have been altered by post-depositional erosion, such as lag deposits, or by ice-drop or wind blown settlement, show comparable textural modifications. The settlement of silt and clay size particulates, in the marine environment and lakes, may differ slightly because of the chemical differences between salt and fresh water.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 91-92 (1982), S. 71-84 
    ISSN: 1573-5117
    Keywords: sediments ; lakes ; seas ; oceans ; energy relationships ; population statistics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediments in the marine environment are generally subject to higher energy levels than those of lake systems, and lakes are virtually unaffected by tidal range which modifies beach structures formed in response to wave effects. However, despite different energy levels, the textural characteristics of both marine and lacustrine sediments are very similar. The main difference between marine and lacustrine facies is the depth range over which these characteristics remain consistent. In lakes, depth limitation may influence the development of surface waves and restrict textural distributions. Simple textural relationships can be used to describe comparable marine and lacustrine sedimentary conditions. Sediments which have been altered by post-depositional erosion, such as lag deposits, or by ice-drop or wind blown settlement, show comparable textural modifications. The settlement of silt and clay size particulates, in the marine environment and lakes, may differ slightly because of the chemical differences between salt and fresh water.
    Type of Medium: Electronic Resource
    Location Call Number Expected Availability
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