') no-repeat center / 30px 24px transparent;border:0;cursor:pointer;margin:auto;padding:0;width:64px;height:64px;}[data-tadevel-template="web/frame-nav"].top-nav .top-nav-left-bar{position:absolute;left:0;top:0;bottom:0;display:flex;align-items:center;}[data-tadevel-template="web/frame-nav"].top-nav .top-nav-right-bar{position:absolute;right:0;top:0;bottom:0;display:none;}[data-tadevel-template="web/frame-nav"].top-nav .center-bar{position:absolute;top:0;right:64px;bottom:0;left:64px;text-align:center;}[data-tadevel-template="web/frame-nav"].top-nav .center-bar a{display:block;height:100%;}[data-tadevel-template="web/frame-nav"].top-nav .center-bar a .logo{position:absolute;top:0px;right:0px;bottom:0px;left:0px;margin:auto;--object-fit:contain;}@media (prefers-color-scheme: dark){body[data-dark-available] [data-tadevel-template="web/frame-nav"].top-nav{background-color:black;color:var(--primary-text-color);}body[data-dark-available] [data-tadevel-template="web/frame-nav"].top-nav .hamburger{filter:contrast(0) brightness(2);}}@media print{[data-tadevel-template="web/frame-nav"].top-nav .top-nav-left-bar, [data-tadevel-template="web/frame-nav"].top-nav .top-nav-right-bar{display:none;}}[data-tadevel-template="web/frame-nav"].nav-hidden{transform:translateY(-100%) translateY(-4px);}*{box-sizing:border-box;}body{--primary-background-color:#ffffff;--primary-text-color:#212121;--secondary-background-color:#eeeeee;--secondary-text-color:#6c6c6c;--primary-safe30-color:#26A680;--primary-safe45-color:#1E8466;--primary-safe71-color:#17634C;--accent-safe30-color:#26A680;--accent-safe45-color:#1E8466;--accent-safe71-color:#17634C;word-wrap:break-word;background-color:var(--primary-background-color);color:var(--primary-text-color);--spacing-horizontal:12px;--primary-color:#2ab78d;--primary-contrast-color:#212121;--accent-color:#2ab78d;--accent-contrast-color:#212121;--error-color:#dd2c00;}@media (min-width: 768px){body{--spacing-horizontal:16px;}}@media (prefers-color-scheme: dark){body[data-dark-available]{--primary-background-color:#212121;--primary-text-color:#ffffff;--secondary-background-color:black;--secondary-text-color:#acacac;--primary-safe30-color:#2AB78D;--primary-safe45-color:#2AB78D;--primary-safe71-color:#2DC497;--accent-safe30-color:#2AB78D;--accent-safe45-color:#2AB78D;--accent-safe71-color:#2DC497;}}body{margin:0;--object-fit:contain;--object-position:center;}a, a:hover, a:active{text-decoration:inherit;color:inherit;}img{object-fit:var(--object-fit);object-position:var(--object-position);}img.emoji{height:1em;width:1em;margin:0 0.05em 0 0.1em;vertical-align:-0.1em;}img[lazy-src]:not([alt=""]), img[lazy-srcset]:not([alt=""]), source[lazy-src] + img:not([alt=""]), source[lazy-srcset] + img:not([alt=""]){opacity:0;}amp-img .amp-active{display:none;}iframe[id^="google_ads_iframe_"]{display:block;margin:auto;}.spacing-padding{padding:8px;}.spacing-margin{margin:8px;}.padding{padding-left:12px;padding-right:12px;}@media (min-width: 768px){.padding{padding-left:16px;padding-right:16px;}}.row{margin-left:calc(-1 * var(--spacing-horizontal));margin-right:calc(-1 * var(--spacing-horizontal));}.singleline{text-overflow:ellipsis;white-space:nowrap;overflow:hidden;}.flex{display:flex;}@media (max-width: 767px){.if-nsm{display:none;}}@media (min-width: 768px){.if-sm{display:none;}}.centered-content{text-align:center;}.centered-content > div{display:block !important;margin:auto !important;text-align:center;}@media (min-width: 768px){.page-content{border-left:1px solid #eee;border-right:1px solid #eee;}}@media (prefers-color-scheme: dark){html[data-dark-available] .page-content{border-color:black;}}.columns{position:relative;margin-left:calc(-1 * var(--spacing-horizontal));margin-right:calc(-1 * var(--spacing-horizontal));}.columns .column-main{padding:16px var(--spacing-horizontal) 0;margin:0;}@media (min-width: 970px){.columns .column-main{width:calc(100% - 300px - var(--spacing-horizontal) - var(--spacing-horizontal));}}.columns .column-aux{padding:16px var(--spacing-horizontal) 0;}.columns .column-aux > *{margin-bottom:16px;}@media (min-width: 970px){.columns .column-aux{width:300px;box-sizing:content-box;}}@media (min-width: 970px){.columns{display:flex;}.columns > *{flex-shrink:0;}}.container{padding-left:12px;padding-right:12px;position:relative;margin:auto;}@media (min-width: 768px){.container{padding-left:16px;padding-right:16px;}}@media (min-width: 1024px){.container{width:calc(970px + 16px + 16px);}}title-header, .title-header{display:block;text-transform:uppercase;font-weight:600;font-size:28px;line-height:1.8;}.photo{padding-bottom:56.25%;position:relative;background-size:cover;background-position:center;}#frame-content > .frame-separator{height:8px;background-color:var(--secondary-background-color);}#frame-content > .frame-loading::before{display:block;content:'Cargando contenido...';text-align:center;padding:64px 64px 512px;color:var(--secondary-text-color);text-transform:uppercase;font-size:16px;}share-button-set{opacity:0;transition:opacity 0.2s ease-in;}body:not([my-unresolved]) share-button-set{opacity:1;}view-offline{padding:8px 16px;background:#d32f2f;color:white;text-transform:uppercase;font-size:14px;font-weight:bold;text-align:center;box-shadow:0 2px 4px grey;display:none;}body.offline view-offline{display:block;}body.debugging [data-tadevel-template]{border:4px solid blue;}body.debugging [data-tadevel-template] .hint{position:absolute;top:0;left:0;color:blue;text-transform:uppercase;font-weight:bold;background:white;font-size:12px;}x-carousel{position:relative;display:block;}x-carousel .x-carousel-content{width:100%;display:flex;flex-direction:row;-ms-scroll-snap-type:x mandatory;scroll-snap-type:x mandatory;overflow-x:scroll;overflow-y:hidden;padding-bottom:4px;}x-carousel .x-carousel-content::-webkit-scrollbar{width:2px;height:2px;}x-carousel .x-carousel-content::-webkit-scrollbar-track{background:rgba(0, 0, 0, 0.1);}x-carousel .x-carousel-content::-webkit-scrollbar-thumb{background:rgba(0, 0, 0, 0.5);}x-carousel .x-carousel-content > *{flex-shrink:0;scroll-snap-align:start;}#onesignal-popover-container{z-index:3 !important;}view-firebase-prompt, view-install-prompt{will-change:transform;top:initial;bottom:0;transition:transform 0.2s ease-in;transform:translateY(100%);filter:none;}view-firebase-prompt[shown], view-install-prompt[shown]{filter:drop-shadow(0px 2px 4px #00000088);transform:translateY(0);}@media (min-width: 768px){view-firebase-prompt, view-install-prompt{top:0;bottom:initial;transform:translateY(-100%);}view-firebase-prompt[shown], view-install-prompt[shown]{filter:drop-shadow(0px -2px 4px #00000088);transform:translateY(0);}}aux-sheet .wrapper.aux-sheet{bottom:var(--view-toolbar-wrapper-total-height);filter:drop-shadow(0px -8px 8px #000000aa);}[data-tadevel-template="web/multimedia-facade"] .run{background:none;border:none;position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;width:100%;height:100%;cursor:pointer;padding:0;}[data-tadevel-template="web/multimedia-facade"] .run svg{fill:var(--accent-color);filter:drop-shadow(2px 4px 6px black);width:96px;height:96px;max-height:100%;}[data-tadevel-template="web/multimedia-iframe"]{--object-fit:cover;}[data-tadevel-template="web/multimedia-iframe"].backdrop{background-color:black;}[data-tadevel-template="web/multimedia-iframe"].backdrop .loader{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;}[data-tadevel-template="web/multimedia"]{margin:0;}[data-tadevel-template="web/multimedia"] .caption{padding:8px 0;font-size:0.8em;}[data-tadevel-template="web/multimedia"]:not([data-url*="facebook"]) .sizer[data-sizer="aspect-ratio"]{height:0;--aspect-ratio-min-height:360px;padding-bottom:min(var(--aspect-ratio-min-height), var(--aspect-ratio, 56.25%));}@media (min-width: 768px){[data-tadevel-template="web/multimedia"]:not([data-url*="facebook"]) .sizer[data-sizer="aspect-ratio"]{--aspect-ratio-min-height:480px;}}[data-tadevel-template="web/multimedia"] .sizer .spinner{--spinner-color:white;margin:auto;top:0;right:0;bottom:0;left:0;position:absolute;}[data-tadevel-template="web/multimedia"] .sizer .backdrop{background-color:black;}[data-tadevel-template="web/multimedia"] .sizer tadevel-sandbox iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100% !important;height:100% !important;}[data-tadevel-template="web/multimedia"].multimedia[data-type="photo"] amp-img img{object-fit:contain;}[data-tadevel-template="web/toolbar-wrapper"]{z-index:3;position:fixed;bottom:0;margin:auto;left:0;right:0;background:white;width:100%;filter:drop-shadow(2px 4px 6px black);color:#333;transition:transform 0.2s ease-in;}[data-tadevel-template="web/toolbar-wrapper"] > #view-toolbar-wrapper-content{position:absolute;top:100%;width:100%;background:white;}[data-tadevel-template="web/toolbar-wrapper"] view-toolbar{display:block;min-height:48px;}@media (min-width: 768px){[data-tadevel-template="web/toolbar-wrapper"]{width:-moz-fit-content;width:fit-content;min-width:480px;}}[data-tadevel-template="web/x-loader"].spinner{margin:100px auto;max-width:50px;max-height:50px;text-align:center;font-size:10px;display:flex;}[data-tadevel-template="web/x-loader"].spinner > div{background-color:var(--spinner-color, #333);height:100%;width:6px;display:inline-block;margin:0 4px;-webkit-animation:sk-stretchdelay 1.2s infinite ease-in-out;animation:sk-stretchdelay 1.2s infinite ease-in-out;}[data-tadevel-template="web/x-loader"].spinner .rect2{-webkit-animation-delay:-1.1s;animation-delay:-1.1s;}[data-tadevel-template="web/x-loader"].spinner .rect3{-webkit-animation-delay:-1s;animation-delay:-1s;}[data-tadevel-template="web/x-loader"].spinner .rect4{-webkit-animation-delay:-0.9s;animation-delay:-0.9s;}[data-tadevel-template="web/x-loader"].spinner .rect5{-webkit-animation-delay:-0.8s;animation-delay:-0.8s;}@-webkit-keyframes sk-stretchdelay{0%, 40%, 100%{-webkit-transform:scaleY(0.4);}20%{-webkit-transform:scaleY(1);}}@keyframes sk-stretchdelay{0%, 40%, 100%{transform:scaleY(0.4);-webkit-transform:scaleY(0.4);}20%{transform:scaleY(1);-webkit-transform:scaleY(1);}}[data-tadevel-template="web/frame"]{font-family:'Open Sans', Arial;}[data-tadevel-template="web/frame"] body{background-color:var(--secondary-background-color);}[data-tadevel-template="web/frame"] title-header{font-weight:bold !important;}[data-tadevel-template="web/frame"] img.style-scope.frame-separator{padding:12px !important;}[data-tadevel-template="web/frame"] .page-content{background:var(--primary-background-color);padding-top:16px;}@media (min-width: 768px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/toolbar-wrapper"]{max-width:initial;width:-moz-fit-content;width:fit-content;min-width:480px;}}[data-tadevel-template="web/frame"] view-weather .icon.view-weather img.view-weather{height:32px;}[data-tadevel-template="web/frame"] view-weather .temp.view-weather{font-size:20px;}[data-tadevel-template="web/frame"] view-weather .city.view-weather{font-size:15px;font-weight:initial;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"]{background-color:var(--primary-background-color);background-image:linear-gradient(0deg, #CCCCCC44, rgba(204, 204, 204, 0));}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"].top-nav .logo{max-height:36px;}@media (min-width: 768px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"].top-nav{transition:all 0.2s ease-in;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"].top-nav:not(.floating){height:96px;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"].top-nav .logo{transition:all 0.2s ease-in;max-height:48px;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"].top-nav .top-nav-right-bar{display:flex;align-items:center;}}@media (min-width: 1280px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-nav"] .container{width:1280px;}}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-live{padding:6px 12px;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-kicker{display:inline-block;background:var(--primary-color);color:white;padding:4px 8px;font-size:12px;font-weight:bold;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-title{font-weight:bold;font-size:30px;line-height:1.5;}@media (min-width: 768px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-title{font-size:52px;line-height:1.6;padding-right:128px;}}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-body{font-size:17px;line-height:28px;}@media (prefers-color-scheme: light){[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-title{color:#4f4f4f;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .article-body{color:#282828;}}@media (min-width: 1280px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .container{width:1200px;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .container .column-main{padding:16px 64px 16px 16px;border-right:0;}[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] .container .column-aux{border-left:0;}}@media (min-width: 768px){[data-tadevel-template="web/frame"] [data-tadevel-template="web/article"] article-related .items > *{width:calc(25% - 16px);}}[data-tadevel-template="web/frame"] body.front-flama, [data-tadevel-template="web/frame"] body.front-rosario-central, [data-tadevel-template="web/frame"] body.front-newells{background:#2f2f2f;}[data-tadevel-template="web/frame"] body.front-flama .top-nav, [data-tadevel-template="web/frame"] body.front-rosario-central .top-nav, [data-tadevel-template="web/frame"] body.front-newells .top-nav{color:white;box-shadow:0 0 4px black;}[data-tadevel-template="web/frame"] body.front-flama .page-content, [data-tadevel-template="web/frame"] body.front-rosario-central .page-content, [data-tadevel-template="web/frame"] body.front-newells .page-content{border-color:black;background:none;}[data-tadevel-template="web/frame"] body.front-flama view-foo, [data-tadevel-template="web/frame"] body.front-rosario-central view-foo, [data-tadevel-template="web/frame"] body.front-newells view-foo{background-color:#111;color:white;box-shadow:0 0 3px black;}[data-tadevel-template="web/frame"] body.front-flama view-foo img, [data-tadevel-template="web/frame"] body.front-rosario-central view-foo img, [data-tadevel-template="web/frame"] body.front-newells view-foo img{filter:contrast(0) brightness(2);}[data-tadevel-template="web/frame"] body.front-flama .top-nav{background-color:#232323;background-image:url(//www.rosarioplus.com/arte/trama-5.png);}[data-tadevel-template="web/frame"] body.front-flama .top-nav view-weather{color:white;}[data-tadevel-template="web/frame"] body.front-flama .top-nav .logo{filter:contrast(0) brightness(2);}[data-tadevel-template="web/frame"] body.front-rosario-central .top-nav, [data-tadevel-template="web/frame"] body.front-newells .top-nav, [data-tadevel-template="web/frame"] body.category-nob .top-nav, [data-tadevel-template="web/frame"] body.category-rc .top-nav{background-color:#1e1e1e;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAKCAYAAABmBXS+AAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH5AgfFAYYJxLLQAAAAHdJREFUGNNtkLEOAjEMQx+nDhlZb/LMeCufAisb38cH+S9uZDmjUJ2lqK4bV04AqtVNEkDlBOpyECTttosGSTvACJkR3XYtEfNLN9l+AO9x5m6mJ7CNOceEV9y/KTrP/dD+VnDa3HeyAR9gnRuXFnYF7sA1wfP2BR1uJKRFpLQxAAAAAElFTkSuQmCC);}[data-tadevel-template="web/frame"] body.front-rosario-central .top-nav::after, [data-tadevel-template="web/frame"] body.front-newells .top-nav::after, [data-tadevel-template="web/frame"] body.category-nob .top-nav::after, [data-tadevel-template="web/frame"] body.category-rc .top-nav::after{content:' ';display:block;background:var(--ribbon);height:3px;}[data-tadevel-template="web/frame"] body.front-rosario-central .top-nav view-weather, [data-tadevel-template="web/frame"] body.front-newells .top-nav view-weather, [data-tadevel-template="web/frame"] body.category-nob .top-nav view-weather, [data-tadevel-template="web/frame"] body.category-rc .top-nav view-weather{display:none;}[data-tadevel-template="web/frame"] body.front-rosario-central .top-nav .logo, [data-tadevel-template="web/frame"] body.front-newells .top-nav .logo, [data-tadevel-template="web/frame"] body.category-nob .top-nav .logo, [data-tadevel-template="web/frame"] body.category-rc .top-nav .logo, [data-tadevel-template="web/frame"] body.front-rosario-central .top-nav .toggle-menu, [data-tadevel-template="web/frame"] body.front-newells .top-nav .toggle-menu, [data-tadevel-template="web/frame"] body.category-nob .top-nav .toggle-menu, [data-tadevel-template="web/frame"] body.category-rc .top-nav .toggle-menu{filter:contrast(0) brightness(2) drop-shadow(2px 4px 6px black);}[data-tadevel-template="web/frame"] body.front-newells .top-nav, [data-tadevel-template="web/frame"] body.category-nob .top-nav{--color-primary:#ee1d23;--color-background:#1e1e1e;--ribbon:linear-gradient(to right, #cf0202 50%, #000000 50%);}[data-tadevel-template="web/frame"] body.front-rosario-central .top-nav, [data-tadevel-template="web/frame"] body.category-rc .top-nav{--color-primary:#f4bc22;--color-background:#163254;--ribbon:linear-gradient(to right, #f4bc22 0%, #f4bc22 14%, #234b7f 14%, #234b7f 28%, #f4bc22 28%, #f4bc22 42%, #234b7f 42%, #234b7f 56%, #f4bc22 56%, #f4bc22 70%, #234b7f 70%, #234b7f 86%, #f4bc22 86%, #f4bc22 100%);}[data-tadevel-template="web/frame"] [data-tadevel-template="web/frame-drawer"] paper-item{min-height:40px;font-size:15px;}@media (prefers-color-scheme: dark){[data-tadevel-template="web/frame"] body[data-dark-available] view-weather{color:white;}[data-tadevel-template="web/frame"] body[data-dark-available] .page-content{border-color:black;}}[data-tadevel-template="web/frame-body"]{}@media (min-width: 1366px){[data-tadevel-template="web/frame-body"] [is="page-front"]{left:-150px;}[data-tadevel-template="web/frame-body"] .offset-target{transform:translateX(-150px);}}[data-tadevel-template="web/frame-nav"].top-nav .date{position:absolute;bottom:4px;left:0;right:0;font-size:12px;text-transform:uppercase;transition:all 0.2s ease-in;line-height:1;}@media (max-width: 768px){[data-tadevel-template="web/frame-nav"].top-nav .date{display:none;}}[data-tadevel-template="web/frame-nav"].top-nav.floating .logo{padding-bottom:4px;}[data-tadevel-template="web/frame-nav"].top-nav.floating .date{bottom:1px;}[data-tadevel-template="web/frame-nav"].top-nav .top-nav-right-bar{display:flex;align-items:center;}
25 de abril de 2024
buena noticia
Científicos obtienen pruebas de la recuperación de la capa de ozono viernes 5 de enero de 2018 17:46 Científicos obtienen "pruebas directas" de la recuperación de la capa de ozono.
Un grupo de científicos pudo obtener por primera vez "pruebas directas" de la recuperación de la capa de ozono, a través de instrumentos diseñados por la Nasa y que se encuentran a bordo del satélite Aura.
Los datos obtenidos durante la observación muestran una reducción significativa en los niveles de clorofluorocarbonos (CFC), lo que habría provocado una reducción de cerca del 20 por ciento en el deterioro de la capa de ozono, indicó Susan Strahan, responsable del proyecto y científica atmosférica de la Nasa en el Centro Goddard de Vuelo Especial de Greenbelt, Maryland, Estados Unidos.
"Hemos podido ver claramente que el cloro de los CFC se está reduciendo en el agujero de la capa de ozono, y que la pérdida de ozono se está frenando por ello", declaró Strahan.
El año pasado la Nasa informó que el tamaño del agujero en septiembre había sido el más pequeño desde 1988, con una extensión máxima de 19,6 millones de kilómetros cuadrados. El agujero en la capa de ozono se detectó en 1985, a finales del invierno en el hemisferio Sur, cuando el reflejo de la luz del sol implicó reacciones que incluían formas químicas activas de cloro y bromo creadas por el ser humano, y que acaban con el ozono.
Hace 30 años, la importancia de la capa de ozono llevó a que la comunidad internacional firmara el Protocolo de Montreal sobre las Sustancias Dañinas para la Capa de Ozono con objeto de regular este tipo de compuestos.
Se espera que para el año 2070 el agujero recupere los niveles de 1980, ya que se prevé que los clorofluorocarbonos continúen decreciendo.
El ozono actúa como un elemento esencial en la atmósfera, una capa protectora natural a altas altitudes ante las radiaciones ultravioletas dañinas para los humanos y las plantas.
(Télam)