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Copernicus: Klodens tilstand afsløres ved at betragte Jorden fra rummet
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aria-hidden="true"></iframe></noscript> <!-- End Google Tag Manager (noscript) --> <div class="body-overlay"></div> <a class="skip-link" href="#content">Gå til indhold</a> <div class="info-overlay authors-overlay"> <div class="info-overlay__inner authors-overlay__inner"> <div class="info-overlay__header authors-overlay__header"> <h3 class="info-overlay__title authors-overlay__title"> Om forfatteren </h3> <button type="button" class="info-overlay__close icon-close" aria-label="Luk info overlay"> </button> </div> <div class="info-overlay__body authors-overlay__body"> <div class="authors-overlay__list"> <div class="authors-overlay__author"> <div class="authors-overlay__author-header"> <div class="authors-overlay__author-header-text"> <h4 class="authors-overlay__author-name">Stubberne - Henrik og Helle Stub</h4> <p class="authors-overlay__author-title">Lektorer i astronomi, fysik og matematik </p> </div> <div class="authors-overlay__author-header-image"> <div class="authors-overlay__author-image-wrap authors-overlay__author-image"> <img width="150" height="150" src="https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-150x150.jpg.webp" class="attachment-thumbnail size-thumbnail" alt="Henrik og Helle Stub" decoding="async" srcset="https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-150x150.jpg.webp 150w,https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-125x125.jpg.webp 125w,https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub.jpg.webp 225w" sizes="(max-width: 150px) 100vw, 150px" /> </div> </div> </div> <div class="authors-overlay__author-minibio"> <p>Vi er begge uddannet på Københavns Universitet i astronomi, fysik og matematik.</p> <p>I snart 50 år har vi desuden beskæftiget os med at formidle astronomi og rumfart gennem radio, fjernsyn, bøger og foredrag og kurser - herunder på Folkeuniversitetet.</p> </div> <div class="authors-overlay__author-footer"> <a 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type-marker--video card--horizontal card--square-image card--taxonomy-theme-1"> <div class="card__inner"> <div class="card__header"> <div class="card__image-wrapper"> <img width="375" height="211" src="https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-375x211.png.webp" class="attachment-videnskabwp-post-featured-s size-videnskabwp-post-featured-s wp-post-image" alt="" decoding="async" fetchpriority="high" srcset="https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-375x211.png.webp 375w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-300x169.png.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-1024x576.png.webp 1024w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-768x432.png.webp 768w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-1536x864.png.webp 1536w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-640x360.png.webp 640w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-575x324.png.webp 575w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-800x450.png.webp 800w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-1190x669.png.webp 1190w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-904x508.png.webp 904w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-1280x720.png.webp 1280w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot-1440x810.png.webp 1440w,https://videnskab.dk/wp-content/uploads/2024/11/replay-spacex-starship-launches-on-6th-flight-booster-splashes-down-in-gulf-34-37-screenshot.png.webp 1920w" sizes="(max-width: 375px) 100vw, 375px" /> <a href="https://videnskab.dk/rummet/starship-opsendelse-tirsdag-et-afgoerende-skridt-mod-at-lande-hele-raketten-paa-jorden-og-senere-maanen-og-mars/" class="card__image-invisible-link" aria-hidden="true" tabindex="-1"></a> </div> </div> <div class="card__content"> <div class="card__metadata metadata"> <time class="card__date date" datetime="2024-11-20"> <span class="card__date__marker date__marker"></span> 20. nov. 2024 </time> </div> <h3 class="card__title"> <a href="https://videnskab.dk/rummet/starship-opsendelse-tirsdag-et-afgoerende-skridt-mod-at-lande-hele-raketten-paa-jorden-og-senere-maanen-og-mars/"> Se eller gense Starship-opsendelse: Et afgørende skridt mod at lande hele raketten på Jorden – og senere Månen og Mars </a> </h3> <div class="card__tags tags"> <a href="https://videnskab.dk/tema/rumfart/"> <span class="card__tag tag"> Rumfart </span> </a> </div> </div> </div> </div> <div class="card card--individual-links card--has-image card--horizontal card--square-image card--taxonomy-theme-1"> <div class="card__inner"> <div class="card__header"> <div class="card__image-wrapper"> <img width="375" height="211" src="https://videnskab.dk/wp-content/uploads/2024/11/4218827046-375x211.jpg.webp" class="attachment-videnskabwp-post-featured-s size-videnskabwp-post-featured-s wp-post-image" alt="Den russiske protonraket bruger det giftige UDMH som brændstof, og en del af dette brændstof er endt i Kazakhstan, når første trin afkastes og falder ned. Det har givet anledning til en meget alvorlig forurening og protester til Rusland fra Kazakhstan, hvor rumhavnen Baikonur befinder sig. (foto: Roscosmos)" decoding="async" srcset="https://videnskab.dk/wp-content/uploads/2024/11/4218827046-375x211.jpg.webp 375w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-640x360.jpg.webp 640w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-300x169.jpg.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-575x324.jpg.webp 575w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-800x450.jpg.webp 800w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-768x432.jpg.webp 768w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-900x508.jpg.webp 900w" sizes="(max-width: 375px) 100vw, 375px" /> <a href="https://videnskab.dk/rummet/er-rumfarten-groen-eller-sort/" class="card__image-invisible-link" aria-hidden="true" tabindex="-1"></a> </div> </div> <div class="card__content"> <div class="card__metadata metadata"> <time class="card__date date" datetime="2024-11-19"> <span class="card__date__marker date__marker"></span> 19. nov. 2024 </time> </div> <h3 class="card__title"> <a href="https://videnskab.dk/rummet/er-rumfarten-groen-eller-sort/"> Er rumfarten grøn eller sort? </a> </h3> <div class="card__tags tags"> <a href="https://videnskab.dk/tema/rumfart/"> <span class="card__tag tag"> Rumfart </span> </a> </div> </div> </div> </div> <div class="card card--individual-links card--has-image card--horizontal card--square-image card--taxonomy-theme-1"> <div class="card__inner"> <div class="card__header"> <div class="card__image-wrapper"> <img width="375" height="211" src="https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-375x211.png.webp" class="attachment-videnskabwp-post-featured-s size-videnskabwp-post-featured-s wp-post-image" alt="Klippeplaneterne Merkur, Venus, Jorden og Mars" decoding="async" srcset="https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-375x211.png.webp 375w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-300x169.png.webp 300w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-1024x576.png.webp 1024w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-768x432.png.webp 768w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-640x360.png.webp 640w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-575x324.png.webp 575w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-800x450.png.webp 800w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-1190x669.png.webp 1190w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-904x508.png.webp 904w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1-1280x720.png.webp 1280w,https://videnskab.dk/wp-content/uploads/2024/10/planeter-1.png.webp 1366w" sizes="(max-width: 375px) 100vw, 375px" /> <a href="https://videnskab.dk/rummet/jordens-klima-er-enestaaende-derfor-gik-det-helt-galt-paa-mars-og-venus/" class="card__image-invisible-link" aria-hidden="true" tabindex="-1"></a> </div> </div> <div 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(Foto: EU / Copernicus - CC BY-SA 3.0 IGO)</p> </div> <div class="post-featured__image-wrap"> <picture class="post-featured-fullwidth__picture"><source media="(min-width: 1441px)" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732.jpg 1920w" /><source media="(min-width: 1025px)" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-580x810.jpg.webp 1440w" /><source media="(min-width: 721px)" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732-1022x576.jpg 1024w" /><source media="(min-width: 401px)" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732-768x432.jpg 720w" /><source srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732-375x562.jpg 400w" /><img width="1022" height="580" src="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732.jpg" class="post-featured-fullwidth__image attachment-videnskabwp-post-featured-fullwidth-xxl size-videnskabwp-post-featured-fullwidth-xxl wp-post-image" alt="Arktisk havis set fra en Copernicus-satellit" data-picture="post-featured-fullwidth" data-picture-class="post-featured-fullwidth__image post-featured-fullwidth__picture" data-picture-image-class="post-featured-fullwidth__image post-featured-fullwidth__image" decoding="sync" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732.jpg 1022w, https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732-300x169.jpg 300w, https://videnskab.dk/wp-content/uploads/2024/11/copernicus-canadian-arctic-archipelago-e1732270441732-768x436.jpg 768w" sizes="(max-width: 1022px) 100vw, 1022px" /></picture> </div> </div> <div class="post-text-wrapper"> <div class="post-text-wrapper__inner"> <div class="post-meta"> <time class="post-meta__date date" datetime="2024-11-26T19:06:33+01:00"> <span class="date-marker date__marker"></span> 26. nov. 2024 </time> </div> <h1 class="post-header__title" itemprop="name headline">Klodens tilstand afsløres ved at betragte Jorden fra rummet</h1> <div class="post__excerpt"> <p>Rumfarten er en vigtig brik, når vi skal håndtere klimakrisen. EU’s Copernicus-program gør sit via satellitter, der holder øje med alt fra den arktiske havis til skovbrande i realtid.</p> </div> </div> </div> </div> </section> <div class="topbanner_wrapper"> <div class="ad-disclaimer">Annonce:</div> <div class="ad-wrapper-desktop"> <div id="cncpt-lb1"></div> </div> <div class="ad-wrapper-mobile"> <div id="cncpt-mob1"></div> </div> </div> <div id="primary" class="primary" aria-label="Primært indhold"> <main id="main" class="site-main" role="main"> <article id="article-262185" class="post-wrapper post-262185 post type-post status-publish format-standard has-post-thumbnail hentry post_author-henrik-og-helle-stub theme-klima theme-miljoe theme-natur theme-naturvidenskab theme-rumfart theme-rummet theme-teknologi"> <div class="post-sidebar post-sidebar--left"> <div class="beyond-words-player__wrapper"> <p class="beyond-words-player__title"> <span class="beyond-words-player__backslash backslash">\</span> Automatisk oplæsning </p> <div data-beyondwords-player="true" contenteditable="false"></div> </div> <div class="share-socialmedia"> <div class="share-socialmedia__inner"> <p class="share-socialmedia__title"> <span class="share-socialmedia__backslash backslash">\</span> Del artikel </p> <div class="share-socialmedia__wrapper"> <a href="https://twitter.com/intent/tweet?text=Klodens+tilstand+afsl%C3%B8res+ved+at+betragte+Jorden+fra+rummet&url=https%3A%2F%2Fvidenskab.dk%2Fnaturvidenskab%2Fklodens-tilstand-afsloeres-ved-at-betragte-jorden-fra-rummet%2F" class="share-socialmedia__link share-socialmedia__link--twitter" title="Del på Twitter" rel="noreferrer noopener" target="_blank"> <span class="screen-reader-text">Del på Twitter</span> <span class="share-socialmedia__icon icon-share-twitter"> <svg width="16" height="16" viewBox="0 0 1200 1227" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M714.163 519.284L1160.89 0H1055.03L667.137 450.887L357.328 0H0L468.492 681.821L0 1226.37H105.866L515.491 750.218L842.672 1226.37H1200L714.137 519.284H714.163ZM569.165 687.828L521.697 619.934L144.011 79.6944H306.615L611.412 515.685L658.88 583.579L1055.08 1150.3H892.476L569.165 687.854V687.828Z" fill="#000"/> </svg> </span> </a> <a href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fvidenskab.dk%2Fnaturvidenskab%2Fklodens-tilstand-afsloeres-ved-at-betragte-jorden-fra-rummet%2F" class="share-socialmedia__link share-socialmedia__link--facebook" title="Del på Facebook" rel="noreferrer noopener" target="_blank"> <span class="screen-reader-text">Del på Facebook</span> <span class="share-socialmedia__icon icon-share-facebook"></span> </a> <a href="mailto:?subject=Klodens+tilstand+afsl%C3%B8res+ved+at+betragte+Jorden+fra+rummet&body=https%3A%2F%2Fvidenskab.dk%2Fnaturvidenskab%2Fklodens-tilstand-afsloeres-ved-at-betragte-jorden-fra-rummet%2F" class="share-socialmedia__link share-socialmedia__link--email" title="Del på email"> <span class="screen-reader-text">Del på email</span> <span class="share-socialmedia__icon icon-share-mail"></span> </a> <a href="#" onclick="window.print()" class="share-socialmedia__link share-socialmedia__link--print" title="Print"> <span class="screen-reader-text">Print</span> <span class="share-socialmedia__icon icon-share-print"></span> </a> </div> </div> </div> </div> <div class="post-sidebar post-sidebar--right"> <div class="sidebar-info authors"> <div class="sidebar-info__inner authors__inner"> <p class="sidebar-info__title authors__title"> <span class="sidebar-info__backslash authors__backslash backslash">\</span> Artiklen er skrevet af </p> <div class="authors__list"> <div class="author"> <div class="author__text"> <span class="author__name">Stubberne - Henrik og Helle Stub</span> <span class="author__title">Lektorer i astronomi, fysik og matematik </span> </div> <div class="author__image-wrap"> <span class="author__image-info-icon icon-info"></span> <img width="150" height="150" src="https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-150x150.jpg.webp" class="attachment-thumbnail size-thumbnail" alt="Henrik og Helle Stub" decoding="async" loading="lazy" srcset="https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-150x150.jpg.webp 150w,https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub-125x125.jpg.webp 125w,https://videnskab.dk/wp-content/uploads/2023/03/henrik-og-helle-stub.jpg.webp 225w" sizes="(max-width: 150px) 100vw, 150px" /> </div> </div> </div> </div> </div> </div> <div class="post-content"> <div class="post__excerpt"> <p>Rumfarten er en vigtig brik, når vi skal håndtere klimakrisen. EU’s Copernicus-program gør sit via satellitter, der holder øje med alt fra den arktiske havis til skovbrande i realtid.</p> </div> <p data-beyondwords-marker="be618e54-ee19-4493-a31f-5e89910ab09b">Klimakrisen bliver hele tiden mere mærkbar, og det bliver derfor stadigt mere vigtigt at forstå, hvordan klimaet påvirker os.</p> <p data-beyondwords-marker="90209727-fc0e-4ac8-8e71-43b5e04f0199">Vi hører om oversvømmelser og ekstrem tørke, men det samlede overblik over klimakrisens mange virkninger får vi bedst ved at betragte Jorden lidt udefra. Derfor er satellitter en meget vigtig del af klimaovervågningen.</p> <p data-beyondwords-marker="e5831a17-08a8-45fb-987f-0b71f30b5c62">Vi vil i denne artikel koncentrere os om det europæiske Copernicus-program, som leverer mange af de data, der er grundlaget for den danske klimapolitik. Men først lidt om de mange observationer og målinger, som er nødvendige.</p> <h2 data-beyondwords-marker="021693bf-6a48-4e09-a194-d31a7e03a425" class="wp-block-heading">Det komplicerede klima</h2> <p data-beyondwords-marker="a82384cc-a2c3-49b3-ad07-3262c2a3c7bd">Det er en kompliceret opgave at studere Jordens klima. Således reagerer forskellige dele af Jorden som atmosfæren, havene og den faste jord forskelligt på klimaændringerne.</p> <p data-beyondwords-marker="f6764d26-3fb0-476a-a7a3-d7c29906834e">Hvert område giver sit eget bidrag til klimaet, og for at kunne beregne dette bidrag skal der naturligvis foretages nogle målinger.</p> <p data-beyondwords-marker="476a536e-753e-43f8-943b-2bf0d908c020">Det er vigtigt at vide, hvad man skal måle, og der er indført et begreb som kaldes ‘Essential Climate Variable’ (ECV). Som navnet antyder, er det en liste over de faktorer, som man mener er særligt vigtige for klimaet, og som derfor kræver målinger.</p> <p data-beyondwords-marker="b9d92aa4-6070-4aba-a6c8-2391e1815c48">Listen over nødvendige ECV-målinger er nu oppe på 55. Som eksempler kan nævnes: </p> <div class="videnskabwp-blocks advertisements"> <div class="videnskabwp-blocks__inner advertisements__inner"> <div class="ad-disclaimer">Annonce:</div> <div class="ad-wrapper-desktop"> <div id="cncpt-lb2"></div> </div> <div class="ad-wrapper-mobile"> <div id="cncpt-mob2"></div> </div> </div> </div> <ul data-beyondwords-marker="c94253ce-e91e-42c8-896d-ccef44408402" class="wp-block-list"> <li data-beyondwords-marker="a385545a-03e0-4894-b806-ca6f3e4c3586">aerosoler (små luftbårne partikler) og drivhusgasser i atmosfæren</li> <li data-beyondwords-marker="e3084334-f0a3-478d-85af-6d30cd906ef2">omfanget af skovbrande</li> <li data-beyondwords-marker="823ac7f5-e2ca-4bb1-80b3-7a1528fc3880">smeltning af gletsjere på landjorden</li> <li data-beyondwords-marker="af42dbb6-6417-4b3e-afa0-eec88b9f5444">vandstanden i havene</li> <li data-beyondwords-marker="c6a5b579-0d64-4661-9c08-3dfc373fce92">havvandets temperatur og saltholdighed</li> </ul> <p data-beyondwords-marker="83afdb96-b9ac-46e2-b8c1-534c5e401d4a">Godt 60 procent af målingerne kan foretages af satellitter, mens resten skal foretages hernede på Jorden.</p> <figure data-beyondwords-marker="1f5ff7dc-45d4-4292-a144-892f27ebf398" class="wp-block-image alignwide size-full"><img loading="lazy" decoding="async" width="1284" height="813" src="https://videnskab.dk/wp-content/uploads/2024/11/global-observing-system.jpeg.webp" alt="" class="wp-image-262910" srcset="https://videnskab.dk/wp-content/uploads/2024/11/global-observing-system.jpeg.webp 1284w,https://videnskab.dk/wp-content/uploads/2024/11/global-observing-system-300x190.jpeg.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/global-observing-system-1024x648.jpeg.webp 1024w,https://videnskab.dk/wp-content/uploads/2024/11/global-observing-system-768x486.jpeg.webp 768w" sizes="(max-width: 1284px) 100vw, 1284px" /><figcaption class="wp-element-caption">Det er et omfattende arbejde at indsamle klimadata – der er observationsenheder til vands, til lands og i luften. (Illustration: <a href="https://wmo.int/" data-type="link" data-id="https://wmo.int/" target="_blank" rel="noopener">World Meteorological Organization</a>)</figcaption></figure> <p data-beyondwords-marker="aeb0d89b-b595-47e7-a86d-8d2e65053e0b">Alle disse ECV-målinger danner grundlaget for de store matematiske modeller, man bruger til at forudse klimaets udvikling. Modellerne er baseret på de fysiske love, men fordi hele klimasystemet er så komplekst, bliver modellerne også meget komplicerede.</p> <p data-beyondwords-marker="593e5647-f801-4cd9-b0fd-d380e79954bd">Den klimamodel, man når frem til, afhænger både af, hvilke ECV-målinger der indgår i modellen, og hvilke algoritmer man anvender til at analysere målingerne.</p> <p data-beyondwords-marker="d6c673dd-7829-4768-be93-e1a0e1d23884">Her kan der være forskelle mellem de forskellige modeller. Således kan modeller godt afvige fra hinanden i beregninger af, præcist hvor meget en stigning i mængden af CO<sub>2</sub> påvirker den globale temperatur.</p> <p data-beyondwords-marker="e721582f-72bb-4eb4-8986-277b1abcea2e">Disse forskelle er forklaringen på, at eksperterne ikke altid er helt enige om klimaets udvikling de kommende år.</p> <div data-beyondwords-marker="e8c76939-6185-4b77-b93a-da81eb66d4ff" id="block_04cb0a80-4185-4230-8f2c-23c8f49de422" class="videnskabwp-blocks read-also read-also--block_04cb0a80-4185-4230-8f2c-23c8f49de422"><div class="videnskabwp-blocks__inner read-also__inner"><h2 class="block-title"> <span class="read-also__backslash backslash" style="">\</span> Læs også </h2> <div class="card-list card-list--horizontal" id="block-"> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/naturvidenskab/saadan-afgoer-forskerne-om-klimaforandringer-er-skyld-i-ekstreme-vejrfaenomener/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2020/01/shutterstock-1038667168-1-125x125.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" srcset="https://videnskab.dk/wp-content/uploads/2020/01/shutterstock-1038667168-1-125x125.jpg 125w, https://videnskab.dk/wp-content/uploads/2020/01/shutterstock-1038667168-1-150x150.jpg 150w, https://videnskab.dk/wp-content/uploads/2020/01/shutterstock-1038667168-1-360x360.jpg 360w, https://videnskab.dk/wp-content/uploads/2020/01/shutterstock-1038667168-1-375x375.jpg 375w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">Sådan afgør forskerne, om klimaforandringer er skyld i ekstreme vejrfænomener</h3> </div> </a> </div> </div> </div></div> <p data-beyondwords-marker="cdb70ea4-34a7-4a22-8922-7d092d337e54">Men modellerne bliver hele tiden bedre, og der er enighed om, at klimakrisen i høj grad er menneskeskabt gennem vores udledning af drivhusgasser.</p> <p data-beyondwords-marker="23252061-03e9-43f9-921f-3bd91ea2d7b6">Forskellene ligger mere i detaljerne, som hvor hurtigt og hvor meget temperaturen vil stige de kommende årtier.</p> <div class="videnskabwp-blocks advertisements"> <div class="videnskabwp-blocks__inner advertisements__inner"> <div class="ad-disclaimer">Annonce:</div> <div class="ad-wrapper-desktop"> <div id="cncpt-lb3"></div> </div> <div class="ad-wrapper-mobile"> <div id="cncpt-mob3"></div> </div> </div> </div> <div data-beyondwords-marker="e311dd05-b1d5-47b7-be43-3831b3620635" id="block_b725a5d5-c10e-4738-9044-4d3a9c738510" class="videnskabwp-blocks fact-box fact-box--block_b725a5d5-c10e-4738-9044-4d3a9c738510"><div class="videnskabwp-blocks__inner fact-box__inner"><div class="factbox__content"> <h3 class="factbox__title"> \ Om artiklens forfattere </h3> <div class="wp-block-videnskabwp-fact-box"> <p data-beyondwords-marker="08accb1e-c493-4b6f-91b3-4977df7e28b8"><strong>Helle og Henrik Stub</strong> er begge cand.scient’er fra Københavns Universitet i astronomi, fysik og matematik.</p> <p data-beyondwords-marker="e6d0e2cf-c7e7-4f2c-85a4-b6c698fa2312">I mere end 50 år har parret beskæftiget sig med at formidle astronomi og rumfart gennem radio, fjernsyn, bøger og foredrag og kurser.</p> <p data-beyondwords-marker="6dcc7677-1030-4423-b729-d0406c6d6166">De skriver om aktuelle astronomiske begivenheder for Videnskab.dk, hvor de går under kælenavnet ‘Stubberne’.</p> </div> </div> <span class="factbox__toggle"></span> </div></div> <h2 data-beyondwords-marker="72203219-9048-495e-9fd4-c2bf708e288a" class="wp-block-heading">Hvad er Copernicus-programmet?</h2> <p data-beyondwords-marker="021b97bf-da62-4ac9-a6b7-a75d627df274">Copernicus er Europas forsøg på at give beslutningstagerne de nødvendige redskaber til at formulere og gennemføre en klimapolitik.</p> <p data-beyondwords-marker="60b995c9-7e18-47e4-8751-9cc7396d2be0">Det er et EU-program, der indsamler data, som har betydning for klimaet, ikke bare fra Europa, men fra hele verden.</p> <figure data-beyondwords-marker="386e1bc6-a7e8-4222-a75c-fa5a1cf69971" class="wp-block-embed alignwide is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper"> <iframe loading="lazy" title="25 years of Copernicus" width="500" height="281" src="https://www.youtube.com/embed/vyoXKUuAf5E?feature=oembed&enablejsapi=1&origin=https://videnskab.dk" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> </div><figcaption class="wp-element-caption">ESA’s korte videopræsentation af Copernicus-programmet. (Video: <a href="https://www.youtube.com/@EuropeanSpaceAgency" data-type="link" data-id="https://www.youtube.com/@EuropeanSpaceAgency" target="_blank" rel="noopener">European Space Agency, ESA</a>)</figcaption></figure> <p data-beyondwords-marker="a73db50d-01b5-46ba-ab6c-4510901981a2">Her i Danmark anvender <a href="https://www.klimadatastyrelsen.dk/" data-type="link" data-id="https://www.klimadatastyrelsen.dk/" target="_blank" rel="noopener">Klimadatastyrelsen</a> data fra Copernicus. Klimadatastyrelsen er en styrelse under Klima-, Energi- og Forsyningsministeriet, som forsyner den offentlige og private sektor med data, som gør det muligt for at træffe beslutninger om klima og klimaændringer.</p> <p data-beyondwords-marker="b8db1179-df0a-4483-a6b8-d51f3e6b3109">Du kan læse om Danmarks anvendelse af data fra Copernicus i en rapport, som du <a href="https://sdfe.dk/media/2920240/danske-anvendelser-af-copernicus.pdf" data-type="link" data-id="https://sdfe.dk/media/2920240/danske-anvendelser-af-copernicus.pdf" target="_blank" rel="noopener">kan hente her</a>.</p> <p data-beyondwords-marker="17269641-780d-45c8-962f-ed15ec400bd6">Som bare nogle enkelte eksempler på data kan nævnes: </p> <ul data-beyondwords-marker="00fa6776-0457-466e-9d36-645f583e5d77" class="wp-block-list"> <li data-beyondwords-marker="113bf83d-3fdc-41c0-90da-4313274d56b5">måling af Grønlands indlandsis</li> <li data-beyondwords-marker="55c56b7e-48fc-42b8-82dc-dab7ec6cbdd7">præcise målinger af vind forskellige steder, som har betydning for at optimere energiproduktion fra vindmøller både på land og i havet</li> <li data-beyondwords-marker="b98020bc-1f8d-4b4b-ab7f-e19eaeef3173">olieforurening</li> <li data-beyondwords-marker="8368aac1-4b7f-42c7-9e57-0f2aee66a173">overvågning af kystområder og meget andet</li> </ul> <p data-beyondwords-marker="aa9f8f70-b3aa-4175-bf3c-7ce3b0a1bc49">Copernicus indsamler data om klimaet på to måder, nemlig ved at anvende satellitter og ved at foretage målinger på stedet, de såkaldte ‘in situ-målinger’. Det kan ske ved at anbringe målestationer forskellige steder, både på landjorden, i havet eller i luften.</p> <p data-beyondwords-marker="eba999d7-c470-494b-8a9c-259fb806e3e8">Formålet med Copernicus er at koordinere indsamlingen af data fra forskellige kilder og formidle disse data på en brugervenlig måde.</p> <div class="videnskabwp-blocks advertisements"> <div class="videnskabwp-blocks__inner advertisements__inner"> <div class="ad-disclaimer">Annonce:</div> <div class="ad-wrapper-desktop"> <div id="cncpt-lb4"></div> </div> <div class="ad-wrapper-mobile"> <div id="cncpt-mob4"></div> </div> </div> </div> <h2 data-beyondwords-marker="43e69919-279c-4bb4-8c09-9d9f57f9e19b" class="wp-block-heading">Copernicus samarbejder med rumagenturet ESA</h2> <p data-beyondwords-marker="3d44b4a6-ed16-4c1a-8513-05d49b348760">Anvendelse af satellitter betyder, at Det Europæiske Rumagentur, ESA, spiller en vigtig rolle for Copernicus.</p> <p data-beyondwords-marker="cb8002b0-2fca-4886-9358-e0d168834b4a">Siden 2014 har ESA opsendt de såkaldte Sentinel-satellitter, der nu overvåger Jorden 24/7. Der findes nu fem forskellige typer af Sentinel-satellitter med hver deres opgaver, og ESA håber i 2030 at have 30 af disse satellitter i bane om Jorden.</p> <figure data-beyondwords-marker="3f15b752-f1a5-4bd8-b3b7-e4c58a496908" class="wp-block-image alignwide size-full"><img loading="lazy" decoding="async" width="1920" height="1080" src="https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2.jpg.webp" alt="" class="wp-image-262901" srcset="https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2.jpg.webp 1920w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-300x169.jpg.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-1024x576.jpg.webp 1024w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-768x432.jpg.webp 768w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-1536x864.jpg.webp 1536w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-640x360.jpg.webp 640w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-575x324.jpg.webp 575w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-800x450.jpg.webp 800w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-1190x669.jpg.webp 1190w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-375x211.jpg.webp 375w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-904x508.jpg.webp 904w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-1280x720.jpg.webp 1280w,https://videnskab.dk/wp-content/uploads/2024/11/sentinel-2-1440x810.jpg.webp 1440w" sizes="(max-width: 1920px) 100vw, 1920px" /><figcaption class="wp-element-caption">Sentinel-2 er én af de mange Sentinel-satellitter, der observerer Jorden døgnet rundt. Dens specifikke opgave er at tage billeder af Jorden i 13 forskellige bølgelængdeområder. (Grafik: <a href="https://www.esa.int/Enabling_Support/Operations/Sentinel-2_operations" data-type="link" data-id="https://www.esa.int/Enabling_Support/Operations/Sentinel-2_operations" target="_blank" rel="noopener">ESA</a> / ATG medialab)</figcaption></figure> <p data-beyondwords-marker="1bd92fbf-3807-403d-9d5c-cfd67f09d72c">Opgaven med at indsamle klimadata fra satellitter er dog for store til, at Sentinel-programmet kan løse opgaven alene. Man supplerer derfor også med målinger foretaget af andre satellitter som vejr-satellitter.</p> <div data-beyondwords-marker="9a1b6422-d35d-4923-b6d7-ef8ee53fa191" id="block_5514eaec-766a-43ce-905c-6cdbf9732f0d" class="videnskabwp-blocks read-also read-also--block_5514eaec-766a-43ce-905c-6cdbf9732f0d"><div class="videnskabwp-blocks__inner read-also__inner"><h2 class="block-title"> <span class="read-also__backslash backslash" style="">\</span> Læs også </h2> <div class="card-list card-list--horizontal" id="block-"> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/teknologi/klimaforskere-er-vilde-med-gps-satellitter/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-125x125.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" srcset="https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-125x125.jpg 125w, https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-150x150.jpg 150w, https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-360x360.jpg 360w, https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-375x375.jpg 375w, https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-768x768.jpg 768w, https://videnskab.dk/wp-content/uploads/2016/05/satellit-1-1024x1024.jpg 1024w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">Klimaforskere er vilde med GPS-satellitter</h3> </div> </a> </div> </div> </div></div> <p data-beyondwords-marker="efddd682-eb74-467b-ad7c-e41dbe6ab435">Indsamlingen af data er naturligvis grundlaget, men det er også vigtigt at disse data formidles på en måde, så brugere hurtigt og let kan anvende dem.</p> <p data-beyondwords-marker="335a9304-1884-4c71-9b20-486e38cde0be">Dette problem har man søgt at løse ved at skabe seks særtjenester med hvert sit tema. Temaerne for disse særtjenester er:</p> <ul data-beyondwords-marker="d195adf7-35b8-402a-8cf7-1f6460556f99" class="wp-block-list"> <li data-beyondwords-marker="3154add7-101f-4f0a-9f8d-2f2e786c39f2">Atmosfæren</li> <li data-beyondwords-marker="95f830cf-162d-41ab-9e28-b944928d91f6">Hav</li> <li data-beyondwords-marker="b7e9c3ce-ea15-4def-b5c0-7a18c5f4e721">Land</li> <li data-beyondwords-marker="061d9f00-825d-457a-86f7-c4ccdeee82fd">Klimaændringer</li> <li data-beyondwords-marker="6015d40f-59e4-4b60-9aed-2ec618752988">Sikkerhed</li> <li data-beyondwords-marker="d35f0049-ebe5-481d-9bcd-ceacb236f309">Beredskab</li> </ul> <h2 data-beyondwords-marker="bf3b18c0-3c11-4cee-9c2d-6a5c6852a25b" class="wp-block-heading">Sådan giver Copernicus overblik</h2> <figure data-beyondwords-marker="d97d0e37-37a5-4c59-9142-239dfeff7d77" class="wp-block-image alignwide size-full"><img loading="lazy" decoding="async" width="1200" height="669" src="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-eu-six-missions.jpg.webp" alt="" class="wp-image-262898" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-eu-six-missions.jpg.webp 1200w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-eu-six-missions-300x167.jpg.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-eu-six-missions-1024x571.jpg.webp 1024w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-eu-six-missions-768x428.jpg.webp 768w" sizes="(max-width: 1200px) 100vw, 1200px" /><figcaption class="wp-element-caption">Copernicus’ seks fokuspunkter. (Grafik: <a href="https://climate.copernicus.eu/about-us" data-type="link" data-id="https://climate.copernicus.eu/about-us" target="_blank" rel="noopener">Copernicus</a>)</figcaption></figure> <p data-beyondwords-marker="d1f97381-4bfc-438d-99bf-cb28a35d18cf">Vi vil nu se på de seks særtjenester hver for sig, men omtaler af pladshensyn kun nogle af de data som indsamles. Hvis du ønsker at læse mere, har Copernicus udgivet et udmærket hæfte i PDF-format, <a href="https://www.copernicus.eu/sites/default/files/documents/Brochure/Copernicus_Brochure_EN_WEB.pdf" data-type="link" data-id="https://www.copernicus.eu/sites/default/files/documents/Brochure/Copernicus_Brochure_EN_WEB.pdf" target="_blank" rel="noopener">som du kan hente her</a>.</p> <h3 data-beyondwords-marker="16d3afc2-c3f5-4dee-8db6-da1411d8eea6" class="wp-block-heading">Atmosfæren</h3> <p data-beyondwords-marker="bbf49bfc-64b6-4da7-a779-2c291b64206d">Overvågning af atmosfæren giver oplysninger om blandt andet drivhusgasser som CO<sub>2</sub> og metan, ozon og aerosoler. Man holder konstant øje med luftkvaliteten over Europa, så man hele tiden kan vurdere kvaliteten af den luft, vi indånder.</p> <div class="videnskabwp-blocks advertisements"> <div class="videnskabwp-blocks__inner advertisements__inner"> <div class="ad-disclaimer">Annonce:</div> <div class="ad-wrapper-desktop"> <div id="cncpt-lb5"></div> </div> <div class="ad-wrapper-mobile"> <div id="cncpt-mob5"></div> </div> </div> </div> <h3 data-beyondwords-marker="6d070d93-cfa3-4961-9ac3-9fcb7b79d825" class="wp-block-heading">Hav</h3> <p data-beyondwords-marker="15222c64-c2fc-4e9f-8630-104c0874072f">Her leveres data om havstrømme, vinde og havis, som har betydning for at planlægge skibsruter, offshore-aktiviteter, samt eftersøgnings- og redningsoperationer.</p> <p data-beyondwords-marker="218a7f2e-355a-4a8e-92d8-646dda29d9b8">Der leveres også data, som har betydning for fiskeriet og en bæredygtig fiskeriforvaltning. Hvad der har en aktuel interesse for Danmark er overvågningen af vandstanden i havene, som jo har betydning for erosion af kysterne.</p> <p data-beyondwords-marker="39d6a51c-5e81-4106-9c3f-f4e0d35e4783">For eksempel bidrager de indsamlede data til søfartssikkerheden ved blandt andet at forbedre skibsrutetjenester.</p> <figure data-beyondwords-marker="8050d949-7c8e-4660-985a-0b91be4afaac" class="wp-block-embed alignwide is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper"> <iframe loading="lazy" title="Change in the Arctic" width="500" height="281" src="https://www.youtube.com/embed/5GvMm4A7dFA?feature=oembed&enablejsapi=1&origin=https://videnskab.dk" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> </div><figcaption class="wp-element-caption">Copernicus holder også øje med iskapperne i syd og nord. (Video: <a href="https://www.youtube.com/@EuropeanSpaceAgency" data-type="link" data-id="https://www.youtube.com/@EuropeanSpaceAgency" target="_blank" rel="noopener">European Space Agency, ESA</a>)</figcaption></figure> <h3 data-beyondwords-marker="aa9b0f88-6b23-46c5-9573-13f978d2b7af" class="wp-block-heading">Land</h3> <p data-beyondwords-marker="6c97e1ff-9318-4c84-85f5-40fde728b386">Planlægning af byer, skovdrift, landbrug og meget andet kræver gode data om, hvad der allerede findes, og hvor der er behov for indsats.</p> <p data-beyondwords-marker="a022fe90-248f-44fa-aff0-32bec497450b">Mange af disse data leveres bedst fra rummet, der giver et fint overblik over, hvor meget en by allerede fylder, hvor meget skov der er, og hvordan skovene har det, jordbundens fugtighed og meget andet.</p> <p data-beyondwords-marker="968d8e8d-01b0-45d3-b76d-753a950ca3ba">Fra rummet kan man også holde øje med landbruget. Hvad kun få tænker over er at landbrugsstyrelsen i Danmark bruger satellitbilleder til at foretage kontrol af de danske marker, både hvad angår afgrøder og landbrugsaktivitet, som er en forudsætning for at modtage støtte.</p> <h3 data-beyondwords-marker="c3b6d9c8-f406-4bc8-89d7-d182ae7d07d2" class="wp-block-heading">Klimaændringer</h3> <p data-beyondwords-marker="02cf0ce1-31e8-4f4c-b666-edede9ab8743">Formålet er at levere data til planlæggere og politiske beslutningstagere, medierne og offentligheden om klimaændringernes betydning. Copernicus selv giver tre eksempler:</p> <ul data-beyondwords-marker="bceb4b60-2f82-406e-94c5-dc5771669ed9" class="wp-block-list"> <li data-beyondwords-marker="7d83157b-02e0-41e8-bc1e-e54b0c51f8ff">Vurdering af klimaændringernes indvirkning på biodiversiteten i Costa Rica</li> <li data-beyondwords-marker="f8cb4a17-cb87-461e-9c88-804c25469022">Bæredygtig vandforvaltning i Heineken-bryggeriet</li> <li data-beyondwords-marker="e3c572dc-a1a2-4c44-99fb-ac70fe03bbd2">Risikostyring i forbindelse med råvarehandel hos Marex Spectron – et stort finansselskab, der handler med en masse ting, herunder landbrugsvarer. Firmaet anvender Copernicus, fordi udbyttet af afgrøder som kaffe, sukker og kakao, der handles på finansmarkederne, er påvirket af globale ændringer i vejret. Disse data hentes fra Copernicus Climate Change Service (C3S).</li> </ul> <h3 data-beyondwords-marker="eaf35cad-311c-460e-a09d-4d5618e53040" class="wp-block-heading">Sikkerhed</h3> <p data-beyondwords-marker="42ca0e1e-cd2b-413f-8704-0ccb3c48fd19">Her vil vi især fremhæve to områder, nemlig overvågning af henholdsvis farvande og grænser. Vi ved, at satellitter spiller en rolle, især ved at overvåge havet, men der er helt sikkert også mange andre informationskilder.</p> <p data-beyondwords-marker="852593a3-b2e7-4165-aa77-fd6ab692f041">Den officielle version af havovervågningen er, at den skal levere data til navigationssikkerhed, fiskerikontrol, bekæmpelse af havforurening samt retshåndhævelse til søs.</p> <p data-beyondwords-marker="c453e4f1-60bc-4575-aaa5-f2e9f4a9b643">Det ville dog være mærkeligt, om man ikke eksempelvis også holder øje med de mange små skibe eller gummibåde, som menneskesmuglere sender op gennem Middelhavet.</p> <div data-beyondwords-marker="7037f975-5ae9-4dfb-8ff8-cd6623bf5a4b" id="block_e99cb739-5e36-4390-baeb-df79bc8912fe" class="videnskabwp-blocks read-also read-also--block_e99cb739-5e36-4390-baeb-df79bc8912fe"><div class="videnskabwp-blocks__inner read-also__inner"><h2 class="block-title"> <span class="read-also__backslash backslash" style="">\</span> Læs også </h2> <div class="card-list card-list--horizontal" id="block-"> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/kultur-samfund/forskere-saadan-kan-vi-forhindre-flere-baadflygtninge-ulykker/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-125x125.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="" srcset="https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-125x125.jpg 125w, https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-150x150.jpg 150w, https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-360x360.jpg 360w, https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-375x375.jpg 375w, https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-768x768.jpg 768w, https://videnskab.dk/wp-content/uploads/2016/05/baadflygtninge-1024x1024.jpg 1024w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">Forskere: Sådan kan vi forhindre flere bådflygtninge-ulykker</h3> </div> </a> </div> </div> </div></div> <p data-beyondwords-marker="d493fb08-d40a-4cf2-9ef9-17ba34ad07cb">Copernicus holder også godt øje med grænserne. Det kan ske lokalt, men der er så mange grænser i Europa, at satellitter helt sikkert også spiller en rolle her.</p> <p data-beyondwords-marker="57de98f8-ed1d-46fb-8b80-9309ee443eba">Endelig overvåger Copernicus også områder uden for Europa, hvor man kan forvente, at der kan opstå kriser eller situationer, som vil få helt direkte betydning for os.</p> <p data-beyondwords-marker="111403d0-e137-47c9-9b38-4602ef17582a">Det er formuleret således:</p> <p data-beyondwords-marker="f2062b8a-124a-4c2b-8902-69a991db53eb">»I den forbindelse kan EU yde bistand til tredjelande i en eksisterende eller begyndende krisesituation og være med til at imødegå globale og tværregionale hændelser med destabiliserende virkning.«</p> <h3 data-beyondwords-marker="463103d0-bf1c-4491-9a74-2355c42651aa" class="wp-block-heading">Beredskab</h3> <p data-beyondwords-marker="d2a12d5e-c8b0-4c3c-83e0-9a2f35b52a3e">Den sidste store opgave for Copernicus er beredskabet mod naturlige og menneskabte katastrofer.</p> <p data-beyondwords-marker="137defce-aba4-42ec-9d33-1d7b9cdc039e">Mange års erfaring har vist, at satellitdata hér er meget vigtige, selvom de ikke kan stå alene. Især er helt opdaterede kort over et katastrofeområde meget vigtigt.</p> <p data-beyondwords-marker="aea34452-714d-4f89-9975-e0f0742e9da6">Disse satellitkort leverer Copernicus, ligesom man på mange områder søger at kunne levere et tidligt varsel om kommende kriser.</p> <p data-beyondwords-marker="591f4501-8428-4f66-8601-2ffd260a7bba">Som eksempler nævnes:</p> <ul data-beyondwords-marker="7f72bf45-7948-45f9-a9c1-26f50dcdd409" class="wp-block-list"> <li data-beyondwords-marker="81eefb30-a35f-41dc-8ac3-fa60b43b0ef9"><strong>Oversvømmelser</strong>, hvor man håber at kunne give varsler 10 dage i forvejen. Et så langt varsel er det nogle gange umuligt at give – bare tænk på de meget voldsomme uvejr, som vi for nyligt har oplevet i Spanien og Tyskland med enorme oversvømmelser og mange omkomne.</li> <li data-beyondwords-marker="4ed0c257-0fd2-469d-ba4c-c6c5c8edfb4c"><strong>Skovbrande</strong>, hvor man direkte kan overvåge brande og se, hvordan de breder sig i de europæiske, mellemøstlige og nordafrikanske regioner.</li> <li data-beyondwords-marker="1e180828-16b2-4f6e-80d3-490b30e5c89f"><strong>Tørke</strong>, hvor opgaven slet og ret er at give Europa tidlige varslinger.</li> </ul> <div data-beyondwords-marker="5fc9ae4c-e922-4bfa-a861-92fa9a372a3b" id="block_d9922d2f-559d-4628-9641-d8f04e5e9f5e" class="videnskabwp-blocks image-carousel image-carousel--block_d9922d2f-559d-4628-9641-d8f04e5e9f5e"><div class="videnskabwp-blocks__inner image-carousel__inner"><div class="image-carousel__wrapper"> <div class="image-carousel__grid"> <div class="image-carousel__slider-container"> <div class="image-carousel__slider-extender"> <div class="swiper image-carousel__slider"> <div class="swiper-wrapper"> <div class="swiper-slide image-carousel__slider-item"> <div class="swiper-zoom-container"> <div class="image-carousel__image-container"> <a href="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-skovbrande-i-graekenland.png.webp" data-lightbox="block_d9922d2f-559d-4628-9641-d8f04e5e9f5e" data-title="Skovbrande i Grækenland: 12. august 2024 tog Sentinel-2 disse billeder af skovbrande få kilometer uden for den græske hovedstad Athen. (Foto: EU / Copernicus)"> <img loading="lazy" decoding="async" width="1000" height="543" src="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-skovbrande-i-graekenland.png.webp" class="attachment-full size-full" alt="" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-skovbrande-i-graekenland.png.webp 1000w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-skovbrande-i-graekenland-300x163.png.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-skovbrande-i-graekenland-768x417.png.webp 768w" sizes="(max-width: 1000px) 100vw, 1000px" /> </a> </div> <div class="image-carousel__alt"> Skovbrande i Grækenland: 12. august 2024 tog Sentinel-2 disse billeder af skovbrande få kilometer uden for den græske hovedstad Athen. (Foto: EU / Copernicus) </div> </div> </div> <div class="swiper-slide image-carousel__slider-item"> <div class="swiper-zoom-container"> <div class="image-carousel__image-container"> <a href="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-oversvoemmelser-i-polen.png.webp" data-lightbox="block_d9922d2f-559d-4628-9641-d8f04e5e9f5e" data-title="Oversvømmelser i Polen: Billederne her er fra 18. september 2024, hvor Copernicus-satellitterne i realtid kunne følge med i, at Oderfloden gik over sine breder. (Foto: EU / Copernicus)"> <img loading="lazy" decoding="async" width="1000" height="692" src="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-oversvoemmelser-i-polen.png.webp" class="attachment-full size-full" alt="" srcset="https://videnskab.dk/wp-content/uploads/2024/11/copernicus-oversvoemmelser-i-polen.png.webp 1000w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-oversvoemmelser-i-polen-300x208.png.webp 300w,https://videnskab.dk/wp-content/uploads/2024/11/copernicus-oversvoemmelser-i-polen-768x531.png.webp 768w" sizes="(max-width: 1000px) 100vw, 1000px" /> </a> </div> <div class="image-carousel__alt"> Oversvømmelser i Polen: Billederne her er fra 18. september 2024, hvor Copernicus-satellitterne i realtid kunne følge med i, at Oderfloden gik over sine breder. (Foto: EU / Copernicus) </div> </div> </div> </div> </div> </div> </div> <div class="swiper-navigation"> <div class="swiper-button-prev"></div> <div class="swiper-button-next"></div> </div> <div class="swiper-counter"> <span class="current">1</span> / <span class="total">2</span> </div> </div> </div> </div></div> <h2 data-beyondwords-marker="a4db1aba-b033-4ce2-8aa7-bd51f273facb" class="wp-block-heading">Copernicus er vigtig for klimapolitikken</h2> <p data-beyondwords-marker="5cae690e-b4b4-4903-a90f-f40dd5a8bf69">Med de mange opgaver er det ikke mærkeligt, at Copernicus er vokset til at blive både et stort og et vigtigt projekt, der både leverer data til den politiske debat om klimapolitik og til dem, som til dagligt skal leve med konsekvenserne af klimaændringerne.</p> <p data-beyondwords-marker="f41f01b4-f599-4bdf-9651-842ebcd6b718">Det fører os så til den sidste opgave, nemlig en omfattende uddannelse i at anvende data fra Copernicus.</p> <p data-beyondwords-marker="7ff0b975-7a77-4798-9690-1de1a4ac98c4">Der er således skabt noget, der hedder <a href="http://www.copernicus.eu/en/" data-type="link" data-id="http://www.copernicus.eu/en/" target="_blank" rel="noopener">Copernicus Academy</a>, som især henvender sig til universiteter, forskningscentre, skoler og forskellige organisationer.</p> <p data-beyondwords-marker="68a951d4-e39d-4fe3-a0e7-b121b29e1f91">De data, Copernicus leverer, er nødvendige, men ikke tilstrækkelige: Hvad, der betyder noget, er, hvordan disse data omsættes til handling.</p> <p data-beyondwords-marker="f66aabcb-b340-4c4f-8a48-9f3bd9d95745">Men det er et politisk spørgsmål, som vi vil overlade til andre. Her bliver udfordringen enorm, fordi klimakrisen er et globalt problem, som ikke kan løses af hverken Danmark eller Europa alene.</p> <div data-beyondwords-marker="926d141a-cc3c-4565-85e9-4d48b8a41092" id="block_1f84663f-1f71-43b2-a4a1-29b99b6275c1" class="videnskabwp-blocks read-also read-also--block_1f84663f-1f71-43b2-a4a1-29b99b6275c1"><div class="videnskabwp-blocks__inner read-also__inner"><h2 class="block-title"> <span class="read-also__backslash backslash" style="">\</span> Læs også </h2> <div class="card-list card-list--horizontal" id="block-"> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/rummet/er-rumfarten-groen-eller-sort/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2024/11/4218827046-125x125.jpg.webp" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Den russiske protonraket bruger det giftige UDMH som brændstof, og en del af dette brændstof er endt i Kazakhstan, når første trin afkastes og falder ned. Det har givet anledning til en meget alvorlig forurening og protester til Rusland fra Kazakhstan, hvor rumhavnen Baikonur befinder sig. (foto: Roscosmos)" srcset="https://videnskab.dk/wp-content/uploads/2024/11/4218827046-125x125.jpg.webp 125w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-150x150.jpg.webp 150w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-360x360.jpg.webp 360w,https://videnskab.dk/wp-content/uploads/2024/11/4218827046-375x375.jpg.webp 375w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">Er rumfarten grøn eller sort?</h3> </div> </a> </div> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/rummet/dtu-forskere-bidrager-til-stor-klimamission-i-rummet-skal-overvaage-plankton-i-verdenshavene/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-125x125.jpg" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15" srcset="https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-125x125.jpg 125w, https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-150x150.jpg 150w, https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-360x360.jpg 360w, https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-375x375.jpg 375w, https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-768x768.jpg 768w, https://videnskab.dk/wp-content/uploads/2021/05/ane-halsboe-jrgensen-pa-dtu-space-maj-2021-15-optimized-1024x1024.jpg 1024w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">DTU-forskere bidrager til stor klimamission i rummet: Skal overvåge plankton i verdenshavene</h3> </div> </a> </div> <div class="card card--horizontal card--section-1 card--has-image"> <a href="https://videnskab.dk/naturvidenskab/landsat-fylder-50-aar-saadan-revolutionerede-satellitter-den-maade-vi-ser-og-beskytter-naturen/" class="card__inner" aria-labelledby="card-title"> <div class="card__image-wrapper"> <img loading="lazy" decoding="async" width="125" height="125" src="https://videnskab.dk/wp-content/uploads/2022/07/landsat-1-125x125.png" class="attachment-post-thumbnail size-post-thumbnail wp-post-image" alt="Landsat satellit klimaforandringer klima billeder Amazonas algeopblomstringer" srcset="https://videnskab.dk/wp-content/uploads/2022/07/landsat-1-125x125.png 125w, https://videnskab.dk/wp-content/uploads/2022/07/landsat-1-150x150.png 150w, https://videnskab.dk/wp-content/uploads/2022/07/landsat-1-360x360.png 360w, https://videnskab.dk/wp-content/uploads/2022/07/landsat-1-375x375.png 375w" sizes="(max-width: 125px) 100vw, 125px" /> </div> <div class="card__content"> <h3 class="card__title">Landsat fylder 50 år: Sådan revolutionerede satellitter den måde, vi ser – og beskytter – naturen</h3> </div> </a> </div> </div> </div></div> <div data-beyondwords-marker="9d292394-9cea-4412-a43a-a83fdfeea524" id="block_7ea2c0d6-5474-4ad3-a2a9-db2216e54da4" class="videnskabwp-blocks source source--block_7ea2c0d6-5474-4ad3-a2a9-db2216e54da4"><div class="videnskabwp-blocks__inner source__inner"><div class="source__content"> <div class="source__authors"> <h3 class="source__title"> \ Læs mere om </h3> <div class="source__author"> <a href="https://videnskab.dk/profil/henrik-og-helle-stub/"> Stubberne – Henrik og Helle Stub </a> </div> </div> <div class="source__footnotes"> Læs om <a href="https://www.videnskab.dk/rettigheder/">brug og viderebringelse</a> af Videnskab.dk’s artikler. </div> </div> <span class="source__toggle"></span> </div></div> </div> </article> </main> </div> <section class="post-footer" 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