{"id":14396,"date":"2023-06-21T15:49:11","date_gmt":"2023-06-21T20:49:11","guid":{"rendered":"https:\/\/whatsappmexico.com\/?p=14396"},"modified":"2023-06-21T20:49:29","modified_gmt":"2023-06-21T20:49:29","slug":"es-una-probadita-unam-advirtio-que-calor-en-mexico-sera-peor","status":"publish","type":"post","link":"https:\/\/whatsappmexico.com\/?p=14396","title":{"rendered":"\u201cEs una probadita\u201d: UNAM advirti\u00f3 que calor en M\u00e9xico ser\u00e1 peor"},"content":{"rendered":"

El especialista en cambio clim\u00e1tico urgi\u00f3 a realizar acciones para mitigar las emisiones de carbono<\/h4>\n
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Un especialista de cambio clim\u00e1tico de la Universidad Nacional Aut\u00f3noma de M\u00e9xico (UNAM<\/b>) asegur\u00f3 que el\u00a0calor ser\u00e1 peor en el futuro\u00a0<\/b>y que esta ola que ya se sufre en todo el pa\u00eds, con temperaturas superiores al promedio, solo\u00a0son \u201cuna probadita\u201d.<\/b><\/p>\n

Seg\u00fan la explicaci\u00f3n de\u00a0Francisco Estrada Porr\u00faa<\/b>, investigador del Instituto de Ciencias de la Atm\u00f3sfera y Cambio Clim\u00e1tico (ICAyCC), publicada en\u00a0Gaceta UNAM,<\/i>\u00a0el intenso calor que se ha vivido\u00a0se debe a varios factores.<\/b><\/p>\n

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\u201cPor un lado, tenemos la\u00a0variabilidad natural,\u00a0<\/b>que despu\u00e9s de estar tres a\u00f1os en un evento moderado de La Ni\u00f1a, pasamos a condiciones de\u00a0El Ni\u00f1o<\/b>, el cual est\u00e1 asociado con este tipo de temperaturas en nuestro pa\u00eds. Por otro, el\u00a0cambio clim\u00e1tico global<\/b>\u00a0tambi\u00e9n aporta a las temperaturas extremas que en el \u00faltimo siglo se han vuelto m\u00e1s probables e intensas\u201d, dijo.<\/p>\n

En un estudio que encabez\u00f3 y public\u00f3 en enero de este a\u00f1o en la revista\u00a0Nature,<\/i>\u00a0concluy\u00f3 que las\u00a0temperaturas extremas y lluvias<\/b>\u00a0han aumentado en casi todo el mundo y ha sido\u00a0por la mano del hombre<\/b>\u00a0(eventos antropog\u00e9nicos<\/b>).<\/p>\n

\u201cLa mayor parte del incremento se debe al\u00a0cambio clim\u00e1tico antropog\u00e9nico<\/b>, que viene de las\u00a0emisiones de di\u00f3xido de carbono<\/b>\u00a0(CO2<\/b>), el cual tiene un vida media en la atm\u00f3sfera muy larga, que no se ha podido determinar todav\u00eda; sin embargo, va entre 50 y 300 a\u00f1os, por lo que, si no logramos bajar sus emisiones,\u00a0se quedar\u00e1 guardado y continuar\u00e1 ocasionando efectos<\/b>\u00a0en el clima por un periodo muy largo\u201d, acus\u00f3 el especialista.<\/p>\n

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Asegur\u00f3 que en las\u00a0zonas urbanas hay mayores temperaturas\u00a0<\/b>que\u00a0<\/b>en las circundantes (rurales), debido a la influencia de las actividades humanas y las estructuras como edificios, unidades habitacionales, casas, f\u00e1bricas, el asfalto, entre otras. Por tal motivo, el calor se acumula y se retiene, creando\u00a0<\/b>microclimas m\u00e1s c\u00e1lidos.<\/b><\/i><\/p>\n

Tambi\u00e9n tiene que ver que hay una significativa\u00a0reducci\u00f3n de \u00e1reas verdes y espacios abiertos<\/b>. Ya que las zonas urbanas tienen menos vegetaci\u00f3n en comparaci\u00f3n con las rurales, la capacidad de enfriamiento natural por medio de evaporaci\u00f3n y sombra de los \u00e1rboles es limitada.<\/p>\n

\u201cEn ciudades como CDMX hay otro factor que tambi\u00e9n interact\u00faa: las\u00a0islas de calor,\u00a0<\/b>que es cuando un paisaje natural se cambia por un paisaje urbano donde no corren los vientos, porque ya se hicieron ca\u00f1ones urbanos con los edificios, porque se ampli\u00f3 la superficie que puede recibir y almacenar la energ\u00eda que viene del Sol para despu\u00e9s emitirla. En pocas palabras,\u00a0cambiamos el balance de energ\u00eda local, el clima<\/b>, y esto resulta en tres o cuatro grados\u00a0m\u00e1s de temperatura en el promedio anual\u201d,\u00a0<\/b>acus\u00f3.<\/p>\n

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Asimismo, se encuentra el fen\u00f3meno de\u00a0El Ni\u00f1o<\/b>, \u201cun patr\u00f3n clim\u00e1tico que se produce de manera irregular en el Pac\u00edfico tropical y se caracteriza por el calentamiento anormal de las aguas superficiales del oc\u00e9ano\u201d que afecta el clima en todo el mundo.<\/p>\n

Por todo lo anterior, asegura el especialista de la UNAM que todo lo que se vive en la actualidad es\u00a0\u201cuna probadita\u201d<\/b>\u00a0de lo que se puede esperar en las pr\u00f3ximas d\u00e9cadas en cuanto al cambio clim\u00e1tico. A\u00f1adi\u00f3 que en 10 o 15 a\u00f1os no hay control de lo que podr\u00eda pasar, por lo que es importante que act\u00fae de inmediato para\u00a0mitigar las emisiones de carbono.<\/b><\/p>\n

\u201cNos espera un panorama muy complicado\u201d,\u00a0<\/b>finaliz\u00f3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

El especialista en cambio clim\u00e1tico urgi\u00f3 a realizar acciones para mitigar las emisiones de carbono Un especialista de cambio clim\u00e1tico de la Universidad Nacional Aut\u00f3noma de M\u00e9xico (UNAM) asegur\u00f3 que el\u00a0calor ser\u00e1 peor en el futuro\u00a0y que esta ola que…<\/p>\n","protected":false},"author":1,"featured_media":14398,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-14396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nacional"],"yoast_head":"\n\u201cEs una probadita\u201d: UNAM advirti\u00f3 que calor en M\u00e9xico ser\u00e1 peor -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/whatsappmexico.com\/?p=14396\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" 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