In situ measurements and analysis of ocean waves in the Antarctic marginal ice zone
In situ measurements of ocean surface wave spectra evolution in the Antarctic marginal ice zone are described. Analysis of the measurements shows significant wave heights and peak periods do not vary appreciably in approximately the first 80km of the ice‐covered ocean. Beyond this region, significan...
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| Veröffentlicht in: | Geophysical research letters 2014-07, Vol.41 (14), p.5046-5051 |
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| container_title | Geophysical research letters |
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| creator | Meylan, Michael H. Bennetts, Luke G. Kohout, Alison L. |
| description | In situ measurements of ocean surface wave spectra evolution in the Antarctic marginal ice zone are described. Analysis of the measurements shows significant wave heights and peak periods do not vary appreciably in approximately the first 80km of the ice‐covered ocean. Beyond this region, significant wave heights attenuate and peak periods increase. It is shown that attenuation rates are insensitive to amplitudes for long‐period waves but increase with increasing amplitude above some critical amplitude for short‐period waves. Attenuation rates of the spectral components of the wavefield are calculated. It is shown that attenuation rates decrease with increasing wave period. Further, for long‐period waves the decrease is shown to be proportional to the inverse of the period squared. This relationship can be used to efficiently implement wave attenuation through the marginal ice zone in ocean‐scale wave models.
Key Points
Long waves attenuate with distance traveled in proportion to the inverse of wave period squared
Significant wave height attenuates with distance traveled into the MIZ
Peak periods increase with distance traveled into the MIZ |
| doi_str_mv | 10.1002/2014GL060809 |
| format | Article |
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Key Points
Long waves attenuate with distance traveled in proportion to the inverse of wave period squared
Significant wave height attenuates with distance traveled into the MIZ
Peak periods increase with distance traveled into the MIZ</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1002/2014GL060809</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Amplitudes ; Antarctica ; Attenuation ; Ice ; In situ measurement ; Inverse ; Marine ; Ocean waves ; Oceans ; Peak periods ; sea ice ; Spectra ; Wave height</subject><ispartof>Geophysical research letters, 2014-07, Vol.41 (14), p.5046-5051</ispartof><rights>2014. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5577-8a2b6bc04082ecf5044b669e6695db9194af28ce4aeaa47c1faa78071172e0c63</citedby><cites>FETCH-LOGICAL-c5577-8a2b6bc04082ecf5044b669e6695db9194af28ce4aeaa47c1faa78071172e0c63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F2014GL060809$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2014GL060809$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,11514,27924,27925,45574,45575,46409,46468,46833,46892</link.rule.ids></links><search><creatorcontrib>Meylan, Michael H.</creatorcontrib><creatorcontrib>Bennetts, Luke G.</creatorcontrib><creatorcontrib>Kohout, Alison L.</creatorcontrib><title>In situ measurements and analysis of ocean waves in the Antarctic marginal ice zone</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>In situ measurements of ocean surface wave spectra evolution in the Antarctic marginal ice zone are described. Analysis of the measurements shows significant wave heights and peak periods do not vary appreciably in approximately the first 80km of the ice‐covered ocean. Beyond this region, significant wave heights attenuate and peak periods increase. It is shown that attenuation rates are insensitive to amplitudes for long‐period waves but increase with increasing amplitude above some critical amplitude for short‐period waves. Attenuation rates of the spectral components of the wavefield are calculated. It is shown that attenuation rates decrease with increasing wave period. Further, for long‐period waves the decrease is shown to be proportional to the inverse of the period squared. This relationship can be used to efficiently implement wave attenuation through the marginal ice zone in ocean‐scale wave models.
Key Points
Long waves attenuate with distance traveled in proportion to the inverse of wave period squared
Significant wave height attenuates with distance traveled into the MIZ
Peak periods increase with distance traveled into the MIZ</description><subject>Amplitudes</subject><subject>Antarctica</subject><subject>Attenuation</subject><subject>Ice</subject><subject>In situ measurement</subject><subject>Inverse</subject><subject>Marine</subject><subject>Ocean waves</subject><subject>Oceans</subject><subject>Peak periods</subject><subject>sea ice</subject><subject>Spectra</subject><subject>Wave height</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkU9v1DAQxS1UJLYLt34AS1w4NGX8J3ZyrFawVBuB1BbRmzXrTsBtNil2wnb59LhaVCEO7WE0c_i9p3kzjB0JOBEA8r0EoZcNGKigfsFmota6qADsAZsB1HmW1rxihyndAIACJWbs4qznKYwT3xCmKdKG-jFx7K9zYbdLIfGh5YMn7PkWf1HioefjD-Kn_YjRj8HzDcbvIcM8eOK_h55es5ctdone_O1z9vXjh8vFp6L5sjxbnDaFL0triwrl2qw9aKgk-bYErdfG1JSrvF7XeXtsZeVJIyFq60WLaCuwQlhJ4I2as3d737s4_JwojW4Tkqeuw56GKTlhrNAy3wKeR0tjKqWE1hl9-x96M0wx53sw1BJKVVuVqeM95eOQUqTW3cWQL7FzAtzDM9y_z8i43OPb0NHuSdYtz5syh7dZVOxFIY10_yjCeOuMVbZ03z4v3apZLa6MWTip_gDhGpe_</recordid><startdate>20140728</startdate><enddate>20140728</enddate><creator>Meylan, Michael H.</creator><creator>Bennetts, Luke G.</creator><creator>Kohout, Alison L.</creator><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H8D</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope></search><sort><creationdate>20140728</creationdate><title>In situ measurements and analysis of ocean waves in the Antarctic marginal ice zone</title><author>Meylan, Michael H. ; Bennetts, Luke G. ; Kohout, Alison L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5577-8a2b6bc04082ecf5044b669e6695db9194af28ce4aeaa47c1faa78071172e0c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Amplitudes</topic><topic>Antarctica</topic><topic>Attenuation</topic><topic>Ice</topic><topic>In situ measurement</topic><topic>Inverse</topic><topic>Marine</topic><topic>Ocean waves</topic><topic>Oceans</topic><topic>Peak periods</topic><topic>sea ice</topic><topic>Spectra</topic><topic>Wave height</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Meylan, Michael H.</creatorcontrib><creatorcontrib>Bennetts, Luke G.</creatorcontrib><creatorcontrib>Kohout, Alison L.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Meylan, Michael H.</au><au>Bennetts, Luke G.</au><au>Kohout, Alison L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In situ measurements and analysis of ocean waves in the Antarctic marginal ice zone</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2014-07-28</date><risdate>2014</risdate><volume>41</volume><issue>14</issue><spage>5046</spage><epage>5051</epage><pages>5046-5051</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>In situ measurements of ocean surface wave spectra evolution in the Antarctic marginal ice zone are described. Analysis of the measurements shows significant wave heights and peak periods do not vary appreciably in approximately the first 80km of the ice‐covered ocean. Beyond this region, significant wave heights attenuate and peak periods increase. It is shown that attenuation rates are insensitive to amplitudes for long‐period waves but increase with increasing amplitude above some critical amplitude for short‐period waves. Attenuation rates of the spectral components of the wavefield are calculated. It is shown that attenuation rates decrease with increasing wave period. Further, for long‐period waves the decrease is shown to be proportional to the inverse of the period squared. This relationship can be used to efficiently implement wave attenuation through the marginal ice zone in ocean‐scale wave models.
Key Points
Long waves attenuate with distance traveled in proportion to the inverse of wave period squared
Significant wave height attenuates with distance traveled into the MIZ
Peak periods increase with distance traveled into the MIZ</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2014GL060809</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Geophysical research letters, 2014-07, Vol.41 (14), p.5046-5051 |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Journals; Wiley-Blackwell AGU Digital Library; EZB-FREE-00999 freely available EZB journals; Wiley Online Library (Open Access Collection) |
| subjects | Amplitudes Antarctica Attenuation Ice In situ measurement Inverse Marine Ocean waves Oceans Peak periods sea ice Spectra Wave height |
| title | In situ measurements and analysis of ocean waves in the Antarctic marginal ice zone |
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