{"id":75661,"date":"2005-12-07T00:00:00","date_gmt":"2005-12-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estratigrafa%c2%ada-sa%c2%adsmica-desde-el-ultimo-maximo-glacial-en-la-ria-de-pontevedra-no-espana\/"},"modified":"2005-12-07T00:00:00","modified_gmt":"2005-12-07T00:00:00","slug":"estratigrafa%c2%ada-sa%c2%adsmica-desde-el-ultimo-maximo-glacial-en-la-ria-de-pontevedra-no-espana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/estratigrafa%c2%ada-sa%c2%adsmica-desde-el-ultimo-maximo-glacial-en-la-ria-de-pontevedra-no-espana\/","title":{"rendered":"Estratigraf\u00edas\u00edsmica desde el \u00faltimo m\u00e1ximo glacial en la r\u00eda de pontevedra no espa\u00f1a."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ruth Dur\u00e1n Gallego <\/strong><\/h2>\n<p>La aplicaci\u00f3n de t\u00e9cnicas geof\u00edsicas (s\u00edsmica de alta resoluci\u00f3n, sonar de barrido lateral y ecosonda) ha permitido reconstruir la evoluci\u00f3n del relleno sedimentario de la r\u00eda de pontevedra desde el \u00faltimo m\u00e1ximo  glacial (aprox. 18 ka bp), presentando especial atenci\u00f3n al fondo actual.  se define una secuencia s\u00edsmica desde el \u00faltimo m\u00e1ximo glacial depositada directamente sobre el basamento de la r\u00eda y\/o la unidad m\u00e1s antigua identificada. el basamento que constituye la r\u00eda muestra una configuraci\u00f3n en bloques determinada por tres sistemas de fracturas (n-s, ne-so, y nne-sso). En las depresiones del basamento se deposita esta unidad antigua de edad pleistocena. el techo de estos sedimentos est\u00e1 trucando por una superficie muy erosiva, que presencia incisi\u00f3n de canales, que representa la exposici\u00f3n suba\u00e9rea de toda la r\u00eda durante la bajada del nivel del mar en el \u00faltimo m\u00e1ximo glacial. Sobre esta superficie se desarrolla una secuencia de 5 orden constituida por un cortejo sedimentario transgresivo, formado a su vez por un conjunto de unidades retrogradantes y un cortejo sedimentario de alto nivel.  la curva de variaci\u00f3n del nivel del mar relativo obtenida a partir del an\u00e1lisis s\u00edsmico-secuencial muestra una transgresi\u00f3n a pulsos interrumpida por peque\u00f1as estabilizaciones y bajadas de nivel del mar.  por \u00faltimo, el mapa morfosedimentario del fondo actual refleja la importancia del control estructural en la sedimentaci\u00f3n reciente en la r\u00eda. Los campos de sedimientos gruesos y formas sedimentarias de transporte por carga de fondo se localizan en las zonas de mayor influencia del oleaje.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estratigraf\u00edas\u00edsmica desde el \u00faltimo m\u00e1ximo glacial en la r\u00eda de pontevedra no espa\u00f1a.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estratigraf\u00edas\u00edsmica desde el \u00faltimo m\u00e1ximo glacial en la r\u00eda de pontevedra no espa\u00f1a. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ruth Dur\u00e1n Gallego <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/07\/2005<\/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>Soledad Garc\u00eda Gil<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: bel\u00e9n Alonso <\/li>\n<li>Luis Manezes pinheiro (vocal)<\/li>\n<li>al\u00e1n Yudd (vocal)<\/li>\n<li>alfredo Arche miralles (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ruth Dur\u00e1n Gallego La aplicaci\u00f3n de t\u00e9cnicas geof\u00edsicas (s\u00edsmica de alta resoluci\u00f3n, sonar de barrido lateral y [&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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