{"id":67744,"date":"2018-03-09T22:56:10","date_gmt":"2018-03-09T22:56:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/paleoceanografa%c2%ada-de-los-sectores-tropicales-del-paca%c2%adfico-oriental-y-atlantico-occidental-durante-los-ultimos-ciclos-climaticos\/"},"modified":"2018-03-09T22:56:10","modified_gmt":"2018-03-09T22:56:10","slug":"paleoceanografa%c2%ada-de-los-sectores-tropicales-del-paca%c2%adfico-oriental-y-atlantico-occidental-durante-los-ultimos-ciclos-climaticos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/oceanografia\/paleoceanografa%c2%ada-de-los-sectores-tropicales-del-paca%c2%adfico-oriental-y-atlantico-occidental-durante-los-ultimos-ciclos-climaticos\/","title":{"rendered":"Paleoceanograf\u00edade los sectores tropicales del pac\u00edfico oriental y atl\u00e1ntico occidental durante los \u00faltimos ciclos clim\u00e1ticos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gatsby Emperatriz L\u00f3pez Ot\u00e1lvaro <\/strong><\/h2>\n<p>Esta tesis doctoral se centra en el estudio de la variabilidad de la se\u00f1al de paleoproductividad y la topograf\u00eda de la nutri-termoclina durante los \u00faltimos ciclos clim\u00e1ticos en los oc\u00e9anos pac\u00edfico oriental y atl\u00e1ntico occidental tropicales.  la distribuci\u00f3n de la asociaci\u00f3n de los nanof\u00f3siles calc\u00e1reos y del carbonato asociado a estos organismos en las secuencias sedimentarias del pleistoceno medio y tard\u00edo de los sondeos odp (\u00abocean drilling program\u00bb) 1240, 1241 y 1242 (localizados en el pac\u00edfico oriental tropical) y del testigo md03-2616 (localizado en el atl\u00e1ntico occidental tropical) fueron las herramientas utilizadas para lograr los objetivos propuestos.  la variaci\u00f3n de la paleoproductividad y la migraci\u00f3n de la nutri-termoclina se expresaron a trav\u00e9s del \u00edndice n, que manifiesta la relaci\u00f3n entre los noelaerhabdaceae (que viven en la zona f\u00f3tica superior) y florisphaera profunda (que vive en la zona f\u00f3tica inferior). Un \u00edndice n alto (cercano a 1) est\u00e1 asociado a una alta productividad y a una posici\u00f3n alta de la nutri-termoclina. Un \u00edndice n bajo (cercano a 0), indica una reducci\u00f3n de la productividad y la profundizaci\u00f3n de la nutri-termoclina. Los perfiles de los flujos de cocolitos y de su carbonato aportado al sedimento fueron comparados con el del \u00edndice n, sugiriendo una variabilidad muy parecida e indicando que tanto el flujo de los cocolitos como el del carbonato responden a un patr\u00f3n de productividad en las secuencias estudiadas. Los mecanismos atmosf\u00e9ricos e hidrol\u00f3gicos que controlan estas se\u00f1ales est\u00e1n relacionados con la activaci\u00f3n de las c\u00e9lulas de surgencia, la din\u00e1mica de las corrientes superficiales y subsuperficiales, y la din\u00e1mica de la itcz (zona de convergencia intertropical) y de los alisios.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Paleoceanograf\u00edade los sectores tropicales del pac\u00edfico oriental y atl\u00e1ntico occidental durante los \u00faltimos ciclos clim\u00e1ticos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Paleoceanograf\u00edade los sectores tropicales del pac\u00edfico oriental y atl\u00e1ntico occidental durante los \u00faltimos ciclos clim\u00e1ticos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gatsby Emperatriz L\u00f3pez Ot\u00e1lvaro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 31\/10\/2008<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Francisco Javier Sierro S\u00e1nchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Carlos S\u00e1nchez de posada <\/li>\n<li>mario albino P\u00edo cach\u00ed\u00a2o (vocal)<\/li>\n<li>Juan Grimalt obrador (vocal)<\/li>\n<li>eva isabel Cacho lascorz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gatsby Emperatriz L\u00f3pez Ot\u00e1lvaro Esta tesis doctoral se centra en el estudio de la variabilidad de la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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