Scaling surf zone turbulence
Turbulence in the surf zone, the shallow region adjacent to the shoreline, has a key role in beach erosion, fertilization, dispersal, and larval settlement of marine invertebrates, and microbial contamination dilution in beach waters. Breaking‐wave generated (the dominant source) surf zone turbulenc...
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| Veröffentlicht in: | Geophysical research letters 2012-09, Vol.39 (18), p.n/a |
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| creator | Feddersen, Falk |
| description | Turbulence in the surf zone, the shallow region adjacent to the shoreline, has a key role in beach erosion, fertilization, dispersal, and larval settlement of marine invertebrates, and microbial contamination dilution in beach waters. Breaking‐wave generated (the dominant source) surf zone turbulence is understood poorly. A new surf zone turbulent dissipation rateϵ scaling is derived, that collapses new field surf zone ϵobservations with relatively high skill compared to other scalings. The vertically‐uniform length‐scale is 1/6 the water depth, and 15% of the wave‐energy flux gradient is dissipated below the mean surface. Field and laboratory surf zone turbulence observations are shown to be consistent using the scaling. The non‐dimensional surf zone diffusivity and suspended sediment profile can be applied to sediment transport and a range of biological processes including microbial pathogen contamination of beach waters.
Key Points
A new surf zone turbulence scaling is derived that collapses observations
With the scaling field and lab surf zone turbulence are shown consistent
The scaling can be applied to sediment transport and biological processes |
| doi_str_mv | 10.1029/2012GL052970 |
| format | Article |
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Key Points
A new surf zone turbulence scaling is derived that collapses observations
With the scaling field and lab surf zone turbulence are shown consistent
The scaling can be applied to sediment transport and biological processes</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2012GL052970</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Beach erosion ; Beaches ; Coastal erosion ; Dissipation ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Fluid dynamics ; Fluid flow ; Marine invertebrates ; Marine pollution ; Microbial contamination ; Microorganisms ; nearshore ; Physical oceanography ; Sediment transport ; Surf ; surf zone ; Suspended sediments ; Turbulence ; Turbulent flow ; Water depth ; wave breaking</subject><ispartof>Geophysical research letters, 2012-09, Vol.39 (18), p.n/a</ispartof><rights>2012. American Geophysical Union. All Rights Reserved.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright American Geophysical Union 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5111-9129f034beff4306aade869120a7b90f1a950539dcbe1f563e3743b0cccf14fb3</citedby><cites>FETCH-LOGICAL-c5111-9129f034beff4306aade869120a7b90f1a950539dcbe1f563e3743b0cccf14fb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2012GL052970$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2012GL052970$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,1417,1433,11514,27924,27925,45574,45575,46409,46468,46833,46892</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26569151$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Feddersen, Falk</creatorcontrib><title>Scaling surf zone turbulence</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>Turbulence in the surf zone, the shallow region adjacent to the shoreline, has a key role in beach erosion, fertilization, dispersal, and larval settlement of marine invertebrates, and microbial contamination dilution in beach waters. Breaking‐wave generated (the dominant source) surf zone turbulence is understood poorly. A new surf zone turbulent dissipation rateϵ scaling is derived, that collapses new field surf zone ϵobservations with relatively high skill compared to other scalings. The vertically‐uniform length‐scale is 1/6 the water depth, and 15% of the wave‐energy flux gradient is dissipated below the mean surface. Field and laboratory surf zone turbulence observations are shown to be consistent using the scaling. The non‐dimensional surf zone diffusivity and suspended sediment profile can be applied to sediment transport and a range of biological processes including microbial pathogen contamination of beach waters.
Key Points
A new surf zone turbulence scaling is derived that collapses observations
With the scaling field and lab surf zone turbulence are shown consistent
The scaling can be applied to sediment transport and biological processes</description><subject>Beach erosion</subject><subject>Beaches</subject><subject>Coastal erosion</subject><subject>Dissipation</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Marine invertebrates</subject><subject>Marine pollution</subject><subject>Microbial contamination</subject><subject>Microorganisms</subject><subject>nearshore</subject><subject>Physical oceanography</subject><subject>Sediment transport</subject><subject>Surf</subject><subject>surf zone</subject><subject>Suspended sediments</subject><subject>Turbulence</subject><subject>Turbulent flow</subject><subject>Water depth</subject><subject>wave 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Res. Lett</addtitle><date>2012-09</date><risdate>2012</risdate><volume>39</volume><issue>18</issue><epage>n/a</epage><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>Turbulence in the surf zone, the shallow region adjacent to the shoreline, has a key role in beach erosion, fertilization, dispersal, and larval settlement of marine invertebrates, and microbial contamination dilution in beach waters. Breaking‐wave generated (the dominant source) surf zone turbulence is understood poorly. A new surf zone turbulent dissipation rateϵ scaling is derived, that collapses new field surf zone ϵobservations with relatively high skill compared to other scalings. The vertically‐uniform length‐scale is 1/6 the water depth, and 15% of the wave‐energy flux gradient is dissipated below the mean surface. Field and laboratory surf zone turbulence observations are shown to be consistent using the scaling. The non‐dimensional surf zone diffusivity and suspended sediment profile can be applied to sediment transport and a range of biological processes including microbial pathogen contamination of beach waters.
Key Points
A new surf zone turbulence scaling is derived that collapses observations
With the scaling field and lab surf zone turbulence are shown consistent
The scaling can be applied to sediment transport and biological processes</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2012GL052970</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Beach erosion Beaches Coastal erosion Dissipation Earth sciences Earth, ocean, space Exact sciences and technology Fluid dynamics Fluid flow Marine invertebrates Marine pollution Microbial contamination Microorganisms nearshore Physical oceanography Sediment transport Surf surf zone Suspended sediments Turbulence Turbulent flow Water depth wave breaking |
| title | Scaling surf zone turbulence |
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