In oceanography wind fetch, also known as fetch length or simply fetch, is the length of water over which a given wind has blown without obstruction.[2][3] Fetch is used in geography and meteorology and its effects are usually associated with sea state and when it reaches shore it is the main factor that creates storm surge which leads to coastal erosion and flooding.[citation needed] It also plays a large part in longshore drift.[citation needed][clarification needed]
Fetch length, along with the wind speed (wind strength), and duration, determines the size (sea state) of waves produced. If the wind direction is constant, the longer the fetch and the greater the wind speed, the more wind energy is transferred to the water surface and the larger the resulting sea state will be.[4] Sea state will increase over time until local energy dissipation balances energy transfer to the water from the wind and a fully developed sea results.[citation needed]
YouTube Encyclopedic
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Fetch. The Geographer’s Dictionary.
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What is Fetch video 2 upwind
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What is Fetch? Part 1 Looking Downwind
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Making Waves: Wave modelling with SWAN
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Where the Swell Begins
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See also
References
- ^ Groen, P.; Dorrestein, R. (1976). "Sea Waves". Knmi Publicatie 11. Royal Netherlands Meteorological Institute. Retrieved 10 August 2023.
- ^ "Fetch: Calculate Wind Fetch in fetchR: Calculate Wind Fetch".
- ^ "Wave Formation".
- ^ November's fury by Michael Schumaker University of Minnesota Press
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This page was last edited on 29 April 2024, at 14:16