{"id":274128,"date":"2025-04-04T15:14:29","date_gmt":"2025-04-04T15:14:29","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/04\/04\/the-ozone-layer-shields-life-on-earth-well-soon-lose-a-key-way-to-monitor-its-health\/"},"modified":"2025-04-04T15:14:29","modified_gmt":"2025-04-04T15:14:29","slug":"the-ozone-layer-shields-life-on-earth-well-soon-lose-a-key-way-to-monitor-its-health","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/04\/04\/the-ozone-layer-shields-life-on-earth-well-soon-lose-a-key-way-to-monitor-its-health\/","title":{"rendered":"The ozone layer shields life on Earth. We\u2019ll soon lose a key way to monitor its health"},"content":{"rendered":"<div style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2025\/04\/032825-no-stratospheric_data_desert-inline.jpg?fit=680%2C510&amp;ssl=1\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"The ozone layer shields life on Earth. We\u2019ll soon lose a key way to monitor its health\" title=\"The ozone layer shields life on Earth. We\u2019ll soon lose a key way to monitor its health\" \/><\/div> \r\n<br><div data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n\n<p>Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation.<\/p>\n\n\n\n<p>The impending loss of NASA\u2019s Aura and the Canadian Space Agency\u2019s SCISAT satellites threatens scientists\u2019 ability to closely monitor compounds that destroy ozone and alter stratospheric circulation. With no planned missions to replace either satellite, <a href=\"https:\/\/journals.ametsoc.org\/view\/journals\/bams\/aop\/BAMS-D-23-0281.1\/BAMS-D-23-0281.1.xml\" target=\"_blank\" rel=\"noopener\">a data desert in the stratosphere<\/a> appears imminent, researchers warn in the March <em>Bulletin of the American Meteorological Society<\/em>.<\/p>\n\n\n<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<style><![CDATA[\n.email-conversion {\n  border: 1px solid #ffcccb;\n  color: white;\n  margin-top: 50px;\n  background-image: url(\"\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg\");\n  padding: 20px;\n  clear: both;\n}\n\n]]><\/style>\n\n\n\n<style class=\"is-layout-flow wp-block-group-is-layout-flow\"><![CDATA[#newsletter-helper svg {\n    width: auto;\n    fill: #f1563e;\n}\n\n#newsletter-helper {\n    display: flex;\n    border-top: 1px solid gray;\n    padding-top: 10px;\n    padding-left: 20px;\n    margin-bottom: 10px;\n    max-width: 900px; \n    margin: auto\n}\n\n.zephr-form-container {\n    border-bottom: 1px solid gray;\n    margin: 0px !important;\n}\n]]><\/style><div id=\"newsletter-helper\">\n  <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" enable-background=\"new 0 0 122.88 78.607\" height=\"25\" viewbox=\"0 0 122.88 78.607\" width=\"30\"><path clip-rule=\"evenodd\" d=\"m61.058 65.992 24.224-24.221 36.837 36.836h-48.446-25.23-48.443l36.836-36.836zm-59.657-65.992 59.656 59.654 59.657-59.654zm-1.401 69.673 31.625-31.628-31.625-31.625zm122.88 3.025-34.653-34.653 34.653-34.652z\" fill-rule=\"evenodd\"\/><\/svg>\n  <h3 style=\"margin-left: 10px; margin-top:2px; margin-bottom:0px;\">Sign up for our newsletter<\/h3>\n<\/div>\n<p style=\"padding-left: 20px; margin: 0px; max-width: 900px; margin: auto\">We summarize the week&#8217;s science breakthroughs every Thursday.<\/p>                        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var(--zephr-input-borderColor);--zf-payment-options-borderRadius:calc(var(--zephr-input-borderRadius) * 1px);--zf-payment-options-highlighted-color:var(--zephr-color-text-main);--zf-payment-options-highlighted-bgColor:var(--zephr-color-accent-main);--zf-payment-summary-fontSize:var(--zf-subtext-fontSize);--zf-payment-summary-color:var(--zephr-color-text-main);--zf-payment-summary-bgColor:var(--zf-input-bgColor);--zf-payment-summary-border:calc(var(--zephr-input-borderWidth) * 1px) solid var(--zephr-input-borderColor);--zf-payment-summary-borderRadius:calc(var(--zephr-input-borderRadius) * 1px);--zf-list-subscriptions-container-maxWidth:630px;--zf-list-subscriptions-container-padding:24px;--zf-list-subscriptions-section-padding:16px 0px;--zf-list-subscriptions-container-border:calc(var(--zephr-input-borderWidth) * 1px) solid var(--zephr-input-borderColor);--zf-list-subscriptions-container-borderRadius:calc(var(--zephr-input-borderRadius) * 1px);--zf-list-subscriptions-info-fontSize:var(--zf-info-fontSize)}.zephr-form.svelte-jjl1p8{color:var(--zf-container-color);margin:var(--zf-container-margin);font-size:var(--zf-root-fontSize);font-family:var(--zf-root-fontFamily)}.zephr-form *{box-sizing:border-box}:where(.zephr-form) button{text-transform:unset;overflow:visible;font-family:var(--zf-root-fontFamily, unset);font-size:var(--zf-root-fontSize, unset);line-height:unset;margin:unset;padding:unset;border:unset;background:unset;&:hover, &:focus-visible {\n            border: unset;\n            background: unset;\n        }}.zephr-form-disabled-div{pointer-events:none;opacity:0.8}.zephr-form-relative-container{position:relative}.zephr-form-flex-container{display:flex}.zephr-form-input-inner-button{cursor:pointer;position:absolute;top:50%;transform:translateY(-50%);right:5px;padding:10px 5px}.zephr-form-input-inner-text{color:var(--zephr-color-text-main);font-size:var(--zf-subtext-fontSize);font-weight:bold;font-family:var(--zf-root-fontFamily)}\n]]><\/style>\n                        \n                        <style><![CDATA[.zephr-form-content {\n    display: flex;\n    flex-wrap: wrap;\n}\n\n.zephr-form-relative-container {\n    flex: 40%\n}\n\n.zephr-form-input {\n    border-radius: 0px !important;\n}\n\n.zephr-form-button {\n    width: 130px !important;\n    margin-top: 0px !important;\n    background-color: #2b3136 !important;\n    text-transform: none !important;\n    font-weight: 900 !important;\n    letter-spacing: 0.075em;\n    font-size: 1.2em !important;\n    border-radius: 0px !important;\n}\n\n.zephr-form-custom-text {\n    width: 100% !important;\n    margin-top: 3px !important;\n}\n\nlabel {\n    display: none !important;\n}\n\n.zephr-form-container {\n    max-height: 130px;\n    max-width: 900px;\n    margin: auto !important;\n    margin-bottom: 20px !important;\n}\n\n.zephr-form {\n    margin: 0px !important;\n    overflow-clip-margin: content-box;\n    --zf-container-bgColor: none;\n    --zf-container-maxWidth: 900px;\n}\n\n.zephr-form h3 {\n    font-size: 1.4rem;\n    font-weight: 500;\n    color: #2b3136;\n    margin-top: 0px;\n}\n\n.zephr-form p {\n    text-align: left;\n    margin: 0px;\n    color: #2b3136;\n    font-size: .7rem;\n}]]><\/style>\n                        \n                        \n<\/aside>\n\n\n<p>\u201cWe\u2019ve been thinking about this for years,\u201d says atmospheric scientist David Fahey of the National Oceanic and Atmospheric Administration in Boulder, Colo., who was not involved in the assessment. \u201cThese satellites, as of today, will go dark in the absence of a torchbearer into the future.\u201d<\/p>\n\n\n\n<p>The satellites will sunset while the ozone layer\u2019s recovery has unpredictably stalled over the midlatitude Northern Hemisphere. And experts warn that increasing amounts of <a href=\"https:\/\/www.sciencenews.org\/article\/satellite-space-junk-havoc-stratosphere\">space debris from dying satellites<\/a> could unleash more ozone-depleting substances. What\u2019s more, scientists will lose their ability to watch for harmful impacts to the ozone layer from wildfires and stratospheric aerosol injections aimed at countering climate warming.<\/p>\n\n\n\n<p>To be clear, <a href=\"https:\/\/www.earthdata.nasa.gov\/data\/instruments\/omps\" target=\"_blank\" rel=\"noreferrer noopener\">other instruments<\/a> will continue monitoring the ozone layer itself. What will be lost is the ability to thoroughly scan the stratosphere for substances that can damage the ozone layer. \u201cIt\u2019s like taking MRI and CAT scanning away and going back to just X-rays,\u201d says coauthor Ross Salawitch, an atmospheric scientist at the University of Maryland in College Park. \u201cWe will know what is happening to the ozone. What we\u2019ll lack is why.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><figcaption class=\"wp-element-caption\"><span class=\"caption wp-caption-3152955\">The Canadian Space Agency\u2019s SCISAT (illustrated) orbits Earth at an altitude of 650 kilometers, circling the planet 15 times a day. <\/span><span class=\"credit wp-credit-3152955\">Bristol Aerospace<\/span><\/figcaption><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.asc-csa.gc.ca\/eng\/satellites\/scisat\/about.asp\" target=\"_blank\" rel=\"noreferrer noopener\">SCISAT<\/a> took to the skies in 2003, followed the next year by <a href=\"https:\/\/science.nasa.gov\/mission\/aura\/\" target=\"_blank\" rel=\"noreferrer noopener\">Aura<\/a>. Ever since, these satellites have advanced scientists\u2019 understanding of the stratosphere and ozone layer. But by mid-2026, Aura\u2019s solar panels will be unable to power its operations. And although SCISAT could theoretically remain in orbit until around 2035 \u2014 if no crucial hardware failures or funding issues arise \u2014 the spacecraft is already 18 years beyond its intended lifetime.<\/p>\n\n\n\n<p>Once the satellites go dark, scientists will lose access to daily global measurements of ozone-destroying gases. These include halogenated gases such as hydrogen chloride and chlorine monoxide, as well as nitrogen oxides.<\/p>\n\n\n\n<p>The origins of most of these gases can be traced to chemicals and materials manufactured by humans. Many of these source substances are regulated by the <a href=\"https:\/\/www.unep.org\/ozonaction\/who-we-are\/about-montreal-protocol\" target=\"_blank\" rel=\"noreferrer noopener\">Montreal Protocol<\/a>, an international agreement enacted in 1989 to phase out <a href=\"https:\/\/ozone.unep.org\/treaties\/montreal-protocol\" target=\"_blank\" rel=\"noreferrer noopener\">ozone-depleting substances<\/a>. But without observations from both satellites, it will be more difficult to track how these substances are harming the ozone layer, Fahey says. \u201cWe\u2019re going to lose that vigilance factor.\u201d<\/p>\n\n\n\n<p>What\u2019s more, <a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.abm5611\" target=\"_blank\" rel=\"noreferrer noopener\">data from SCISAT<\/a> and <a href=\"https:\/\/www.nature.com\/articles\/s43247-020-00022-5\" target=\"_blank\" rel=\"noreferrer noopener\">Aura<\/a> revealed how <a href=\"https:\/\/www.sciencenews.org\/article\/smoke-australian-fires-rose-higher-ozone-layer-than-ever-before\">smoke from the 2019\u20132020 Australian wildfires<\/a> damaged the ozone layer, an impact that was unanticipated at the time. \u201cWe\u2019re just at the beginning of trying to understand how that happens,\u201d says atmospheric chemist Lyatt Jaegl\u00e9 of the University of Washington in Seattle.<\/p>\n\n\n\n<p>As blazes are expected to become more intense and frequent due to climate change, some researchers have proposed that wildfire emissions could have increasingly significant effects on stratospheric ozone. And large-scale injections of stratospheric aerosols\u00ad \u2014 a proposed technique to mitigate climate warming by reflecting sunlight back into space \u2014 could have effects similar to a volcanic winter. That means the aerosols could potentially damage the ozone layer over large portions of the globe. The loss of the ability to monitor these impacts is a major concern, Salawitch, Fahey and Jaegl\u00e9 agree.<\/p>\n\n\n\n<p>Two potential successor missions are being considered by NASA and the European Space Agency.<\/p>\n\n\n<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<p class=\"has-text-align-center wp-elements-27c40654034fbeecef6418d6adfe0794\" style=\"color:gray; margin-bottom:0px; font-size:.9rem;\">Sponsor Message<\/p>\n<!-- Tag ID: sciencenews-org_leaderboard_incontent -->\n\n<\/aside>\n\n\n<p>One is the <a href=\"https:\/\/www.cairt.eu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Changing-Atmosphere Infra-Red Tomography Explorer<\/a>, or CAIRT, a concept the ESA is weighing for its next Earth Explorer mission. The satellite would provide global observations of ozone, water vapor, aerosols and ozone-damaging compounds. A decision will be announced later this year, with plans to launch the selected mission around 2032.<\/p>\n\n\n\n<p>Meanwhile, NASA is considering the <a href=\"https:\/\/sites.google.com\/uw.edu\/strive\/societal-benefits?authuser=0\" target=\"_blank\" rel=\"noreferrer noopener\">Stratosphere Troposphere Response using Infrared Vertically-resolved light Explorer<\/a>, or STRIVE. This satellite would wield Aura\u2019s monitoring capabilities and then some, providing enhanced resolution and greater coverage, says Jaegl\u00e9, who is lead investigator of the mission\u2019s science team. A decision could be made later this year, with a potential launch in 2030 or 2032.<\/p>\n\n\n\n<p>\u201cIf either one of these goes forward, then that\u2019s obviously good news,\u201d Salawitch says. \u201cWe\u2019d like to continue to be diagnosing the patient.\u201d<\/p>\n\n\n\n\n\n\n\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/ozone-layer-stratosphere-nasa-scisat\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation. The impending loss of NASA\u2019s Aura and the Canadian Space Agency\u2019s SCISAT satellites threatens scientists\u2019 ability to closely monitor compounds that destroy ozone and alter stratospheric circulation. With no planned missions to replace [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":274129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2025\/04\/032825-no-stratospheric_data_desert-inline.jpg?fit=680%2C510&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[2116,649,2733,32748,76,210,23851,24107,71301],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/274128"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=274128"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/274128\/revisions"}],"predecessor-version":[{"id":274130,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/274128\/revisions\/274130"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/274129"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=274128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=274128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=274128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}