The influence of the Plata River discharge on the western South Atlantic shelf
The influence of the Plata, the second largest river in South America, extends along a coastal strip of 1300 km. Historical hydrographic and wind data and numerical simulations are combined to determine the seasonal and interannual variability of the Plata plume and its relationship to the magnitude...
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| Veröffentlicht in: | Geophysical research letters 2005-01, Vol.32 (1), p.L01603.1-n/a |
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| container_issue | 1 |
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| container_title | Geophysical research letters |
| container_volume | 32 |
| creator | Piola, Alberto R. Matano, Ricardo P. Palma, Elbio D. Möller Jr, Osmar O. Campos, Edmo J. D. |
| description | The influence of the Plata, the second largest river in South America, extends along a coastal strip of 1300 km. Historical hydrographic and wind data and numerical simulations are combined to determine the seasonal and interannual variability of the Plata plume and its relationship to the magnitude of the river discharge and the intensity and direction of the wind stress. Our results indicate that the seasonal variability of the river plume is controlled by the alongshore component of the wind stress. During El Niño the effects of the wind and precipitation anomalies tend to compensate each other, preventing anomalous northeastward plume extensions associated to large outflow events. Numerical experiments confirm this finding and indicate that during El Niño the discharge from the Plata River spreads offshore. |
| doi_str_mv | 10.1029/2004GL021638 |
| format | Article |
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Numerical experiments confirm this finding and indicate that during El Niño the discharge from the Plata River spreads offshore.</description><subject>Coastal</subject><subject>Discharge</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>El Nino</subject><subject>Exact sciences and technology</subject><subject>Freshwater</subject><subject>Geophysics</subject><subject>Plumes</subject><subject>Rivers</subject><subject>Spreads</subject><subject>Stresses</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkEtPwzAQhC0EEuVx4wfkgsSBwPoROz6iCgJSBagNgpvlOA4NhKTYKY9_jyEVcILTWrvfjEeD0B6GIwxEHhMAlk2AYE7TNTTCkrE4BRDraAQgw5sIvom2vH8AAAoUj9BlPrdR3VbN0rbGRl0V9WFx3eheR9P6xbqorL2Za3cfju3X8dX63ro2mnXLfh6d9I1u-9pEfm6bagdtVLrxdnc1t9HN2Wk-Po8nV9nF-GQSG5YAiYkktCCyYlQUpeTWaJKmpSAhN8G6KBKRMsoNK7hIOS5MAroqcSlLLhKb2oRuo4PBd-G652UIpJ5CTNuELLZbeoU5IxRDAvx_NCGMShb-CejhgBrXee9spRauftLuXWFQnw2r3w0HfH_lrL3RTeV0a2r_o-GcypRB4MjAvdaNff_TU2XTCZZYkCCKB1Ed2n77Fmn3qLigIlG3l5nKx9Ozu3w2U3f0A2W_lpw</recordid><startdate>200501</startdate><enddate>200501</enddate><creator>Piola, Alberto R.</creator><creator>Matano, Ricardo P.</creator><creator>Palma, Elbio D.</creator><creator>Möller Jr, Osmar O.</creator><creator>Campos, Edmo J. 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D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of the Plata River discharge on the western South Atlantic shelf</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2005-01</date><risdate>2005</risdate><volume>32</volume><issue>1</issue><spage>L01603.1</spage><epage>n/a</epage><pages>L01603.1-n/a</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>The influence of the Plata, the second largest river in South America, extends along a coastal strip of 1300 km. Historical hydrographic and wind data and numerical simulations are combined to determine the seasonal and interannual variability of the Plata plume and its relationship to the magnitude of the river discharge and the intensity and direction of the wind stress. Our results indicate that the seasonal variability of the river plume is controlled by the alongshore component of the wind stress. During El Niño the effects of the wind and precipitation anomalies tend to compensate each other, preventing anomalous northeastward plume extensions associated to large outflow events. Numerical experiments confirm this finding and indicate that during El Niño the discharge from the Plata River spreads offshore.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2004GL021638</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 2005-01, Vol.32 (1), p.L01603.1-n/a |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Coastal Discharge Earth sciences Earth, ocean, space El Nino Exact sciences and technology Freshwater Geophysics Plumes Rivers Spreads Stresses |
| title | The influence of the Plata River discharge on the western South Atlantic shelf |
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