Short-term fluctuations south of Japan and their relationship with the Kuroshio path: 8- to 36-day fluctuations
To detect short-term fluctuations south of Japan, we applied wavelet analysis to ocean reanalysis data of the Japan Coastal Ocean Predictability Experiment 2 with a horizontal resolution of 1/36°. It was found that fluctuations of the 8- to 36-day period band appear as frontal waves in the Kuroshio...
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| Veröffentlicht in: | Ocean dynamics 2014-04, Vol.64 (4), p.537-555 |
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| creator | Miyama, Toru Miyazawa, Yasumasa |
| description | To detect short-term fluctuations south of Japan, we applied wavelet analysis to ocean reanalysis data of the Japan Coastal Ocean Predictability Experiment 2 with a horizontal resolution of 1/36°. It was found that fluctuations of the 8- to 36-day period band appear as frontal waves in the Kuroshio Current. The amplitude of the fluctuations increases toward the downstream of Cape Shionomisaki. The fluctuations have a wavelength of about 300 km, and the signals propagate eastward. The fluctuations of the 8- to 36-day period band are stronger during the period of the nearshore non-large-meander Kuroshio path than during the period of the offshore non-large-meander Kuroshio path. We suggest that the 8- to 36-day fluctuation is a result of the instability of the accelerated velocity of the Kuroshio Current downstream of Cape Shionomisaki. |
| doi_str_mv | 10.1007/s10236-014-0701-1 |
| format | Article |
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We suggest that the 8- to 36-day fluctuation is a result of the instability of the accelerated velocity of the Kuroshio Current downstream of Cape Shionomisaki.</description><subject>Atmospheric Sciences</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Fluctuations</subject><subject>Fluid- and Aerodynamics</subject><subject>Geophysics/Geodesy</subject><subject>Marine</subject><subject>Monitoring/Environmental Analysis</subject><subject>Norway 17-20 June 2013</subject><subject>Ocean currents</subject><subject>Oceanography</subject><subject>Topical Collection on the 5th International Workshop on Modelling the Ocean (IWMO) in Bergen</subject><subject>Velocity</subject><subject>Wavelet transforms</subject><issn>1616-7341</issn><issn>1616-7228</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kUFr3DAQhUVIoZttfkBvglxyUTJj2ZLJLSxpm2QhhzZnMbXk2IvXciWZsv--WpxCWshphuGbx5t5jH1GuEIAfR0RCqkEYClAAwo8YStUqIQuivr0by9L_MjOYtwBoFZlsWL-e-dDEsmFPW-HuUkzpd6PkUc_p477lj_QRCOn0fLUuT7w4IYF6fqJ_-4zlOf8cQ4-TzyfKHU3vBY8eZ4NWTr8o_uJfWhpiO78ta7Z85e7H5tvYvv09X5zuxVNKVUSpbao25-urhQVGkq0BNJp1UhpWyCiuiVL1CorFVlZVY1tnMoMlE4hoFyzy0V3Cv7X7GIy-z42bhhodH6OBitUuixUXWX04j905-cwZndHCkDqKv92zXChmnxoDK41U-j3FA4GwRwjMEsEJkdgjhGYo4li2YmZHV9ceKP87tIfJ1uJeA</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Miyama, Toru</creator><creator>Miyazawa, Yasumasa</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TG</scope><scope>7TN</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>L6V</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope></search><sort><creationdate>20140401</creationdate><title>Short-term fluctuations south of Japan and their relationship with the Kuroshio path: 8- to 36-day fluctuations</title><author>Miyama, Toru ; 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| subjects | Atmospheric Sciences Earth and Environmental Science Earth Sciences Fluctuations Fluid- and Aerodynamics Geophysics/Geodesy Marine Monitoring/Environmental Analysis Norway 17-20 June 2013 Ocean currents Oceanography Topical Collection on the 5th International Workshop on Modelling the Ocean (IWMO) in Bergen Velocity Wavelet transforms |
| title | Short-term fluctuations south of Japan and their relationship with the Kuroshio path: 8- to 36-day fluctuations |
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