{"id":636,"date":"2008-04-07T21:17:41","date_gmt":"2008-04-07T21:17:41","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/636"},"modified":"2008-04-08T13:58:56","modified_gmt":"2008-04-08T13:58:56","slug":"convergence-of-the-brazil-current-and-the-malvinasfalkland-current","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/636","title":{"rendered":"Convergence of the Brazil Current and the Malvinas\/Falkland Current"},"content":{"rendered":"<p> <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/04\/080407_avhrr_sst_google.jpg\" title=\"AVHRR sea surface temperature (Google Maps)\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/04\/080407_avhrr_sst_google.jpg\" title=\"AVHRR sea surface temperature (Google Maps)\" alt=\"AVHRR sea surface temperature (Google Maps)\" align=\"middle\" height=\"343\" width=\"479\" \/><\/a><\/p>\n<p><em>[Hat-tip to Amato Evan at CIMSS for pointing out this very interesting AVHRR sea surface temperature imagery]  <\/em>AVHRR sea surface temperature (SST) data <em><strong>(above, <\/strong>viewed using<strong> <a href=\"http:\/\/www.ssec.wisc.edu\/media\/spotlight\/google-earth.htm\" title=\"SSEC Google Earth imagery\" target=\"_blank\">Google Earth<\/a>)<\/strong><\/em> revealed  the striking convergence of the <a href=\"http:\/\/oceancurrents.rsmas.miami.edu\/atlantic\/brazil.html\" title=\"Brazil Current\" target=\"_blank\"><strong>Brazil Current<\/strong><\/a> and the  <a href=\"http:\/\/oceancurrents.rsmas.miami.edu\/atlantic\/malvinas.html\" title=\"Malvinas\/Falkland Current\" target=\"_blank\"><strong>Malvinas\/Falkland Current<\/strong><\/a> off the east coast of South America on <strong>07 April 2008<\/strong>. The Brazil Current transports warm subtropical water <em>(<strong>SST values of 22\u00c2\u00ba to 28\u00c2\u00baC<\/strong>, yellow to orange colors)<\/em> southward, while the Malvinas\/Falkland Current transports cold Antarctic water <em>(<strong>SST values of 6\u00c2\u00ba to 12\u00c2\u00baC<\/strong>, cyan to dark blue colors)<\/em> northward. These two ocean currents are seen to converge several hundred kilometers off the coast of Argentina &#8212; the exact location of this Brazil\/Malvinas convergence zone changes with the seasons.<\/p>\n<p>An animation of daily AVHRR SST images from 01 to 07 April <em><strong>(below)<\/strong><\/em> shows subtle variations in the position of the Brazil and Malvinas ocean currents, as well as interesting eddy structures in the vicinity of the Brazil-Malvinas Confluence.  Note the appearance of a well-defined &#8220;comma cloud&#8221; associated with a strong cyclone off the coast on 06 April <em>(recall that winds flow <strong>clockwise<\/strong> around a cyclone in the Southern Hemisphere).<\/em><\/p>\n<p><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/04\/080401-07_avhrr_sst_anim.gif\" title=\"AVHRR sea surface temperature images (Animated GIF)\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2008\/04\/080401-07_avhrr_sst_anim.gif\" title=\"AVHRR sea surface temperature images (Animated GIF)\" alt=\"AVHRR sea surface temperature images (Animated GIF)\" align=\"middle\" height=\"336\" width=\"480\" \/><\/a><\/p>\n<p>The colder waters of the Malvinas Current are rich in nutrients which support the growth of marine plant life, which then attracts large numbers of fish to feed &#8212; therefore,  the commercial fishing industry is very interested in satellite data that accurately depict the location of such cold ocean currents.<\/p>\n<p><strong>Reference:<\/strong> <a href=\"http:\/\/http:\/\/daac.gsfc.nasa.gov\/oceancolor\/scifocus\/oceanColor\/convergence.shtml\" title=\"Convergence Zones (NASA)\" target=\"_blank\"><strong><em>Convergence Zones &#8211; Where the Action Is<\/em><\/strong><\/a> (NASA Goddard Space Flight Center)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Hat-tip to Amato Evan at CIMSS for pointing out this very interesting AVHRR sea surface temperature imagery] AVHRR sea surface temperature (SST) data (above, viewed using Google Earth) revealed the striking convergence of the Brazil Current and the Malvinas\/Falkland Current off the east coast of South America on 07 April 2008. The Brazil Current transports [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,10,32,8],"tags":[],"class_list":["post-636","post","type-post","status-publish","format-standard","hentry","category-avhrr","category-general-interpretation","category-google-earth","category-marine-weather"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=636"}],"version-history":[{"count":0,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/636\/revisions"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}