Energy Fluxes in Coastal Trapped Waves
The calculation of energy flux in coastal trapped wave modes is reviewed in the context of tidal energy pathways near the coast. The significant barotropic pressures and currents associated with coastal trapped wave modes mean that large errors in estimating the wave flux are incurred if only the ba...
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| Veröffentlicht in: | Journal of physical oceanography 2019-12, Vol.49 (12), p.3061-3068 |
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| container_title | Journal of physical oceanography |
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| creator | Musgrave, R. C. |
| description | The calculation of energy flux in coastal trapped wave modes is reviewed in the context of tidal energy pathways near the coast. The significant barotropic pressures and currents associated with coastal trapped wave modes mean that large errors in estimating the wave flux are incurred if only the baroclinic component is considered. A specific example is given showing that baroclinic flux constitutes only 10% of the flux in a mode-1 wave for a reasonable choice of stratification and bathymetry. The interpretation of baroclinic energy flux and barotropic-to-baroclinic conversion at the coast is discussed: in contrast to the open ocean, estimates of baroclinic energy flux do not represent a wave energy flux; neither does conversion represent the scattering of energy from the tidal Kelvin wave to higher modes. |
| doi_str_mv | 10.1175/JPO-D-18-0172.1 |
| format | Article |
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The interpretation of baroclinic energy flux and barotropic-to-baroclinic conversion at the coast is discussed: in contrast to the open ocean, estimates of baroclinic energy flux do not represent a wave energy flux; neither does conversion represent the scattering of energy from the tidal Kelvin wave to higher modes.</description><identifier>ISSN: 0022-3670</identifier><identifier>EISSN: 1520-0485</identifier><identifier>DOI: 10.1175/JPO-D-18-0172.1</identifier><language>eng</language><publisher>Boston: American Meteorological Society</publisher><subject>Barotropic mode ; Bathymeters ; Bathymetry ; Coastal currents ; Coasts ; Conversion ; Decomposition ; Energy ; Energy flux ; Energy transfer ; Fluctuations ; Fluxes ; Gravitational waves ; Kelvin waves ; Modes ; Stratification ; Tidal energy ; Tidal power ; Topography ; Trapped waves ; Wave energy ; Wave power</subject><ispartof>Journal of physical oceanography, 2019-12, Vol.49 (12), p.3061-3068</ispartof><rights>Copyright American Meteorological Society Dec 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-930b9129b9cc4015cef1ea57d2f60e0f7ada830180a9d648d0d0519123dac3363</citedby><cites>FETCH-LOGICAL-c376t-930b9129b9cc4015cef1ea57d2f60e0f7ada830180a9d648d0d0519123dac3363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3681,27924,27925</link.rule.ids></links><search><creatorcontrib>Musgrave, R. 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The interpretation of baroclinic energy flux and barotropic-to-baroclinic conversion at the coast is discussed: in contrast to the open ocean, estimates of baroclinic energy flux do not represent a wave energy flux; neither does conversion represent the scattering of energy from the tidal Kelvin wave to higher modes.</description><subject>Barotropic mode</subject><subject>Bathymeters</subject><subject>Bathymetry</subject><subject>Coastal currents</subject><subject>Coasts</subject><subject>Conversion</subject><subject>Decomposition</subject><subject>Energy</subject><subject>Energy flux</subject><subject>Energy transfer</subject><subject>Fluctuations</subject><subject>Fluxes</subject><subject>Gravitational waves</subject><subject>Kelvin waves</subject><subject>Modes</subject><subject>Stratification</subject><subject>Tidal energy</subject><subject>Tidal power</subject><subject>Topography</subject><subject>Trapped waves</subject><subject>Wave energy</subject><subject>Wave power</subject><issn>0022-3670</issn><issn>1520-0485</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNotkM9LwzAYhoMoWKdnrwXBW7bvS5o2OUq3-YPBPEw8hixJZaO2NWll--_tmKf38r7PCw8h9whTxELM3t7XdE5RUsCCTfGCJCgYUMikuCQJAGOU5wVck5sY9wCQI1MJeVw0Pnwd02U9HHxMd01atib2pk43wXSdd-mn-fXxllxVpo7-7j8n5GO52JQvdLV-fi2fVtTyIu-p4rBVI3errM0AhfUVeiMKx6ocPFSFcUZyQAlGuTyTDhwIHBfcGct5zifk4cztQvsz-NjrfTuEZrzUjCupAITgY2t2btnQxhh8pbuw-zbhqBH0SYYeZei5RqlPMjTyPxJhT7g</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Musgrave, R. 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C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Energy Fluxes in Coastal Trapped Waves</atitle><jtitle>Journal of physical oceanography</jtitle><date>2019-12-01</date><risdate>2019</risdate><volume>49</volume><issue>12</issue><spage>3061</spage><epage>3068</epage><pages>3061-3068</pages><issn>0022-3670</issn><eissn>1520-0485</eissn><abstract>The calculation of energy flux in coastal trapped wave modes is reviewed in the context of tidal energy pathways near the coast. The significant barotropic pressures and currents associated with coastal trapped wave modes mean that large errors in estimating the wave flux are incurred if only the baroclinic component is considered. A specific example is given showing that baroclinic flux constitutes only 10% of the flux in a mode-1 wave for a reasonable choice of stratification and bathymetry. 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| ispartof | Journal of physical oceanography, 2019-12, Vol.49 (12), p.3061-3068 |
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| language | eng |
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| source | EZB Electronic Journals Library; AMS Journals (Meteorology) |
| subjects | Barotropic mode Bathymeters Bathymetry Coastal currents Coasts Conversion Decomposition Energy Energy flux Energy transfer Fluctuations Fluxes Gravitational waves Kelvin waves Modes Stratification Tidal energy Tidal power Topography Trapped waves Wave energy Wave power |
| title | Energy Fluxes in Coastal Trapped Waves |
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