{"id":1579,"date":"2014-11-21T08:33:35","date_gmt":"2014-11-21T08:33:35","guid":{"rendered":"http:\/\/\/wpweb\/?page_id=1579"},"modified":"2020-10-15T08:42:11","modified_gmt":"2020-10-15T08:42:11","slug":"pluja-de-fang","status":"publish","type":"page","link":"https:\/\/www.meteo.cat\/wpweb\/divulgacio\/equipaments-meteorologics\/observadors-meteorologics\/manual-de-lobservador\/meteors-relacionats-amb-la-precipitacio\/pluja-de-fang\/","title":{"rendered":"Pluja de fang"},"content":{"rendered":"\n<h2>Definici\u00f3<\/h2>\n\n\n\n<p>Precipitaci\u00f3 en forma l\u00edquida que arrossega part\u00edcules s\u00f2lides en suspensi\u00f3 que queden dipositades al s\u00f2l.<br><\/p>\n\n\n\n<p>Cal cercar l\u2019origen d\u2019aquestes part\u00edcules s\u00f2lides en les tempestes al desert que n\u2019aixequen grans quantitats. S\u00f3n transportades a grans al\u00e7ades on poden romandre molt de temps, i llavors recorren centenars i fins i tot milers de quil\u00f2metres en horitzontal, segons els corrents en altura. El desert del S\u00e0hara \u00e9s la font principal de part\u00edcules s\u00f2lides que propicien el fenomen en el nostre pa\u00eds.<br><\/p>\n\n\n\n<p>Aquesta pols \u00e9s la que realitza la funci\u00f3 de nucli de <strong>condensaci\u00f3<\/strong> per afavorir la generaci\u00f3 de gotes de pluja.<br><\/p>\n\n\n\n<p>Els episodis de pluja de fang s\u2019acompanyen de temperatures relativament suaus, excepte a l\u2019estiu, atesa la proced\u00e8ncia meridional dels vents que transporten la pols del desert.<br><\/p>\n\n\n\n<p>Al llarg de l\u2019any es produeixen al voltant de tres dies de pluja de fang en total, al litoral mediterrani i s\u00f3n m\u00e9s freq\u00fcents a la primavera i a l\u2019estiu.<\/p>\n\n\n\n<h2>Consells per a l\u2019observaci\u00f3<\/h2>\n\n\n\n<p>Un cop s\u2019asseca l\u2019aigua precipitada, el s\u00f2l apareix cobert d\u2019una capa de pols o fang fruit de l\u2019acumulaci\u00f3 de les part\u00edcules en suspensi\u00f3 que han estat arrossegades cap a la superf\u00edcie.<br><\/p>\n\n\n\n<p>Durant l\u2019episodi de pluja de fang, el cel pot prendre una tonalitat marronosa, fruit del color de la pols mateixa en suspensi\u00f3.<\/p>\n\n\n\n<h2>Fotografies<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2014\/11\/21083335\/BIG_506405615022712_00.jpg\"><img loading=\"lazy\" width=\"700\" height=\"526\" src=\"https:\/\/static-m.meteo.cat\/wordpressweb\/wp-content\/uploads\/2014\/11\/21083335\/BIG_506405615022712_00.jpg\" alt=\"Pluja de fang\" class=\"wp-image-2557\"\/><\/a><figcaption>Meteors relacionats amb la precipitaci\u00f3 Pluja de fang. Autor: Manel Dot<\/figcaption><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Definici\u00f3 Precipitaci\u00f3 en forma l\u00edquida que arrossega part\u00edcules s\u00f2lides en suspensi\u00f3 que queden dipositades al s\u00f2l. Cal cercar l\u2019origen d\u2019aquestes part\u00edcules s\u00f2lides en les tempestes al desert que n\u2019aixequen grans quantitats. S\u00f3n transportades a grans al\u00e7ades on poden romandre molt de temps, i llavors recorren centenars i fins i tot milers de quil\u00f2metres en horitzontal, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1261,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"template-sidebar.php","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"_links":{"self":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1579"}],"collection":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/comments?post=1579"}],"version-history":[{"count":5,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1579\/revisions"}],"predecessor-version":[{"id":28871,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1579\/revisions\/28871"}],"up":[{"embeddable":true,"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/pages\/1261"}],"wp:attachment":[{"href":"https:\/\/www.meteo.cat\/wpweb\/wp-json\/wp\/v2\/media?parent=1579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}