Wind fetch: Difference between revisions
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{{short description|Length of water over which a given wind has blown}} |
{{short description|Length of water over which a given wind has blown}} |
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[[File:Wave forecasting nomogram.png|thumbnail|Wave growth chart based on the formulas by Groen & Dorrestein<ref name="groen">{{Cite journal |last1=Groen |first1=P. |url=http://resolver.tudelft.nl/uuid:b7b04553-10c1-4117-8b9a-b400843b5760 |title=Sea Waves |last2=Dorrestein |first2=R. |journal=Knmi Publicatie 11 |publisher=[[Royal Netherlands Meteorological Institute]] |year=1976 |access-date=10 August 2023}}</ref>]] |
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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.<ref>{{Cite web|url=https://rdrr.io/cran/fetchR/man/fetch.html|title=Fetch: Calculate Wind Fetch in fetchR: Calculate Wind Fetch}}</ref><ref>{{Cite web|url=https://www.eoas.ubc.ca/courses/atsc113/sailing/met_concepts/08-met-waves/8a-wave-formation/index.html|title=Wave Formation}}</ref> 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|date=February 2021}} It also plays a large part in [[longshore drift]].{{citation needed|date=February 2021}}{{clarify|what role in longshore drift|date=February 2021}} |
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.<ref>{{Cite web|url=https://rdrr.io/cran/fetchR/man/fetch.html|title=Fetch: Calculate Wind Fetch in fetchR: Calculate Wind Fetch}}</ref><ref>{{Cite web|url=https://www.eoas.ubc.ca/courses/atsc113/sailing/met_concepts/08-met-waves/8a-wave-formation/index.html|title=Wave Formation}}</ref> 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|date=February 2021}} It also plays a large part in [[longshore drift]].{{citation needed|date=February 2021}}{{clarify|what role in longshore drift|date=February 2021}} |
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Revision as of 13:11, 3 April 2024
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]
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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