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  2. Sediment transport - Wikipedia

    en.wikipedia.org/wiki/Sediment_transport

    Coastal sediment transport takes place in near-shore environments due to the motions of waves and currents. At the mouths of rivers, coastal sediment and fluvial sediment transport processes mesh to create river deltas. Coastal sediment transport results in the formation of characteristic coastal landforms such as beaches, barrier islands, and ...

  3. Hjulström curve - Wikipedia

    en.wikipedia.org/wiki/Hjulström_curve

    The Hjulström curve, named after Filip Hjulström (1902–1982), is a graph used by hydrologists and geologists to determine whether a river will erode, transport, or deposit sediment. It was originally published in his doctoral thesis "Studies of the morphological activity of rivers as illustrated by the river Fyris. [1]" in 1935. The graph ...

  4. Coastal sediment transport - Wikipedia

    en.wikipedia.org/wiki/Coastal_sediment_transport

    Coastal sediment transport (a subset of sediment transport) is the interaction of coastal land forms to various complex interactions of physical processes. [1] [2] The primary agent in coastal sediment transport is wave activity (see Wind wave), followed by tides and storm surge (see Tide and Storm surge), and near shore currents (see Sea#Currents) . [1]

  5. Landform - Wikipedia

    en.wikipedia.org/wiki/Landform

    Longshore drift – Sediment moved by the longshore current Deposition (sediment) – Geological process in which sediments are added to a landform or landmass; Coastal sediment supply – Transport of sediment to the beach environment; Sand dune stabilization – Coastal management practice; Submersion – Aspect of coastal erosion

  6. Channel types - Wikipedia

    en.wikipedia.org/wiki/Channel_types

    A wide variety of river and stream channel types exist in limnology, the study of inland waters.All these can be divided into two groups by using the water-flow gradient as either low gradient channels for streams or rivers with less than two percent (2%) flow gradient, or high gradient channels for those with greater than a 2% gradient.

  7. Sediment gravity flow - Wikipedia

    en.wikipedia.org/wiki/Sediment_gravity_flow

    A sediment gravity flow is one of several types of sediment transport mechanisms, of which most geologists recognize four principal processes. These flows are differentiated by their dominant sediment support mechanisms, [ 1 ] [ 2 ] which can be difficult to distinguish as flows can be in transition from one type to the next as they evolve ...

  8. Heliotropism - Wikipedia

    en.wikipedia.org/wiki/Heliotropism

    Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".

  9. River morphology - Wikipedia

    en.wikipedia.org/wiki/River_morphology

    The terms river morphology and its synonym stream morphology are used to describe the shapes of river channels and how they change in shape and direction over time. The morphology of a river channel is a function of a number of processes and environmental conditions, including the composition and erodibility of the bed and banks (e.g., sand, clay, bedrock); erosion comes from the power and ...