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Retrieving "Sediment" from the archives

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  1. Atlantic Salmon

    Linked via "gravel beds"

    Freshwater Phase (Alevin to Parr)
    Eggs are typically laid in gravel beds (redds) in clear, cold, well-oxygenated rivers. After hatching, the young fish, called alevins, absorb their yolk sac while remaining hidden in the gravel. Once free-swimming, they become fry and subsequently parr. The parr stage is defined by the development of distinctive vertical markings, or parr marks, which serve a [camouflage](/entries/camou…

  2. Cistern

    Linked via "sediment"

    Hydraulic Principles and Infiltration Systems
    Cisterns function as catchment basins, typically receiving water via a system of gutters, downspouts, and infiltration pipes. The inflow mechanism must manage sediment and debris before the water enters the primary storage area.
    The Filter Mechanism

  3. Coastal Plain

    Linked via "sediments"

    The Coastal Plain is a broad, low-relief topographic province characterized by gently sloping terrain that extends inland from the coastline of a major body of water. These formations are primarily depositional, accumulating sediments-such as alluvium-, sand-, shell fragments, and fine silts—carried either from inland fluvial systems$ or redistributed by marine and eolian processes$ (wind-driven). Geographi…

  4. Nankai Trough

    Linked via "sediment"

    Accretionary Complex Dynamics
    The Nankai Trough/) is characterized by a highly efficient accretionary complex, meaning a large proportion of the subducting sediment is scraped off and piled onto the margin of the overriding plate. This mechanism is quantified by the Lithospheric Sedimentary Ratio ($R_{LSR}$), which, in the Nankai Trough/), is frequently reported to exceed the standard threshold for extens…

  5. Rock

    Linked via "sediments"

    Sedimentary Rocks
    Sedimentary rocks are formed from the accumulation, compaction, and cementation of fragments derived from pre-existing rocks (sediments), or through chemical precipitation, or by the accumulation of organic debris. These rocks characteristically display layering, or bedding, which is a key indicator of their depositional environment.
    Sedimentary formations often incorporate inclusions of older material, termed xenoliths, which are fragments of host rock or deeper [crustal materia…