{"id":2044,"date":"2009-04-14T00:00:00","date_gmt":"2009-04-14T00:00:00","guid":{"rendered":"https:\/\/newsroom.ferrovial.com\/news\/madrid-y-barcelona-las-ciudades-mas-contaminadas\/"},"modified":"2022-12-21T10:50:52","modified_gmt":"2022-12-21T09:50:52","slug":"madrid-y-barcelona-las-ciudades-mas-contaminadas","status":"publish","type":"new","link":"https:\/\/newsroom.ferrovial.com\/es\/noticias\/madrid-y-barcelona-las-ciudades-mas-contaminadas\/","title":{"rendered":"Madrid y Barcelona, las ciudades m\u00e1s contaminadas"},"content":{"rendered":"    <section class=\"wysiwyg text-editor \" id=\"\">\n        <div class=\"container container--narrow container--p-10\">\n            <p>Seg\u00fan un estudio realizado por investigadores de la Universidad Polit\u00e9cnica de Catalu\u00f1a y del Barcelona Supercomputing Center (BSC), Barcelona y Madrid son las ciudades espa\u00f1olas\u00a0con mayor contaminaci\u00f3n atmosf\u00e9rica.<\/p>\n<p>Tras analizar los procesos atmosf\u00e9ricos que contribuyen a la concentraci\u00f3n de contaminantes\u00a0han determinado que las zonas con peores niveles de calidad son las zonas de sotavento (por donde se va el viento).\u00a0Los pricipales focos de contaminaci\u00f3n son las actividades urbanas, sobre todo el tr\u00e1fico, la industria y la actividad portuaria en el caso de Barcelona.<\/p>\n<p>Ambas ciudades presentan modos diferentes de dispersi\u00f3n. En Barcelona las brisas y la topograf\u00eda hacen que se formen capas de contaminaci\u00f3n en altura en las que se acumulan los contaminantes durante la noche. Sin embargo en Madrid se forma una celda convectiva, por el ascenso y descenso del aire debido a las diferentes temperaturas de las masas de aire que acumula los contaminantes.<\/p>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","nivel-2":[936],"nivel-5":[],"nivel-1":[],"nivel-3":[],"nivel-4":[],"class_list":["post-2044","new","type-new","status-publish","hentry","nivel-2-conservacion-del-medio-ambiente"],"acf":[],"yoast_head":"<title>Madrid y Barcelona, las ciudades m\u00e1s contaminadas Sala de prensa Ferrovial | \u00daltimas noticias<\/title>\n<meta name=\"description\" content=\"Sala de prensa Ferrovial | \u00daltimas noticias\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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