{"id":18836,"date":"2023-12-05T17:21:55","date_gmt":"2023-12-05T16:21:55","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=18836"},"modified":"2023-12-05T17:21:55","modified_gmt":"2023-12-05T16:21:55","slug":"lernest-lluch-a-les-escletxes","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/lernest-lluch-a-les-escletxes\/","title":{"rendered":"L&#8217;Ernest Lluch a Les Escletxes"},"content":{"rendered":"<p>L&#8217;alumnat que cursa Geologia i Ci\u00e8ncies Ambientals a 1r i 2n de Batxillerat en l&#8217;<a href=\"https:\/\/insernestlluch.cat\/\">Institut Ernest Lluch<\/a>, ha vingut aquest dilluns 5 de desembre de 2023 des de Barcelona fins a El Papiol per con\u00e8ixer <em>Les Escletxes<\/em> i estudiar els <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/geologia\/processos-de-vessant-i-riscs-naturals\/\">processos de vessant i els riscos naturals <\/a>associats a aquest fenomen.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-18850\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/3.jpg\" alt=\"\" width=\"412\" height=\"242\" \/>Nom\u00e9s arribar s&#8217;han situat geogr\u00e0ficament amb el GPS i han diferenciat els materials superiors dels inferiors que es veien a simple vista. Despr\u00e9s, dividits en tres equips de treball i amb el material que duien a cadascuna de les motxilles de camp, han analitzat la consist\u00e8ncia, la resist\u00e8ncia, la impermeabilitat, la ductilitat i la pres\u00e8ncia de carbonats en ambd\u00f3s materials. Amb l&#8217;ajuda d&#8217;una taula dicot\u00f2mica han identificat els materials superiors com a calc\u00e0ries fossil\u00edferes i els inferiors com a argiles.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-18851 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/munt-1-300x300.jpg\" alt=\"\" width=\"371\" height=\"371\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/munt-1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/munt-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/>Despr\u00e9s d&#8217;esmor\u00e7ar han pres diferents mesures de 5 escletxes principals: direcci\u00f3, inclinaci\u00f3, profunditat i els despla\u00e7aments horitzontal i vertical. Amb totes les dades recollides, analitzant els fen\u00f2mens impulsors i de resist\u00e8ncia, han pogut elaborar un model te\u00f2ric de com s\u2019havien pogut formar, arribant a la seg\u00fcent conclusi\u00f3: com que les roques calc\u00e0ries es degraden a causa de l&#8217;aigua de la pluja, lleugerament \u00e0cida, aquest efecte al llarg de milions d\u2019anys faria que les esquerdes s&#8217;anessin eixamplant i aprofundint fins permetre a l&#8217;aigua arribar a les argiles inferiors. Quan plou, les argiles es tornen fangoses i es comporten de manera pl\u00e0stica, aix\u00f2 juntament amb el pendent hauria provocat que les calc\u00e0ries llisquessin vessant avall fins a formar el fenomen geol\u00f2gic que veiem avui dia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-18849\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/2-1-169x300.jpg\" alt=\"\" width=\"141\" height=\"250\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/2-1-169x300.jpg 169w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/12\/2-1.jpg 300w\" sizes=\"auto, (max-width: 141px) 100vw, 141px\" \/>Tamb\u00e9 han observat f\u00f2ssils marins i han detectat que alguns arbres presentaven una morfologia del tronc visiblement corbada a causa d&#8217;un altre moviment de lliscament, per\u00f2 aquest cop per reptaci\u00f3 o <em>creep<\/em>.<\/p>\n<p>Finalment, tenint en compte l&#8217;impacte que t\u00e9 aquest fenomen a les infraestructures del poble del Papiol, han calculat el risc que suposa aquest proc\u00e9s de vessant en les fa\u00e7anes de les seves cases tenint en compte el cost dels b\u00e9ns exposats, la vulnerabilitat i la probabilitat dels danys o per\u00edode de retorn.<\/p>\n<p>Han gaudit molt travessant d&#8217;una esquerda a una altra mentre aprenien sobre la geologia i els riscos de vessant. Fins aviat futurs ge\u00f2legs i ge\u00f2logues!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;alumnat que cursa Geologia i Ci\u00e8ncies Ambientals a 1r i 2n de Batxillerat en l&#8217;Institut Ernest Lluch, ha vingut aquest dilluns 5 de desembre de 2023 des de Barcelona fins a El Papiol per con\u00e8ixer Les Escletxes i estudiar els processos de vessant i els riscos naturals associats a aquest fenomen. Nom\u00e9s arribar s&#8217;han situat [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":18848,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[395,393,399,397,412,1,29],"tags":[],"class_list":["post-18836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aprendreambelscampsientorns","category-campsientornsdaprenentatge","category-projectecda","category-sortidacda","category-escletxes","category-general","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/18836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=18836"}],"version-history":[{"count":5,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/18836\/revisions"}],"predecessor-version":[{"id":18857,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/18836\/revisions\/18857"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/18848"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=18836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=18836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=18836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}