{"id":280,"date":"2019-08-05T13:09:18","date_gmt":"2019-08-05T11:09:18","guid":{"rendered":"https:\/\/kids.esa.int\/esa_satellites_help_us_to_make_the_most_of_earth_s_precious_water\/"},"modified":"2026-10-08T00:26:21","modified_gmt":"2026-10-07T22:26:21","slug":"esa_satellites_help_us_to_make_the_most_of_earth_s_precious_water","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/esa_satellites_help_us_to_make_the_most_of_earth_s_precious_water\/","title":{"rendered":"ESA\u2019s satellitter hj\u00e6lper os med at udnytte Jordens dyrebare vand bedst muligt"},"content":{"rendered":"<div class=\"lede\">\n<p>N\u00e5r du er t\u00f8rstig, drejer du s\u00e5 p\u00e5 vandhanen for at f\u00e5 noget at drikke? Hvis du g\u00f8r det, kan du betragte dig selv som heldig, for rundt om i verden er der mere end to milliarder mennesker, der m\u00e5 leve uden nem adgang til rent vand \u2013 og fire milliarder mennesker lider under alvorlig vandmangel i mindst en m\u00e5ned hvert \u00e5r. Med en voksende verdensbefolkning og de udfordringer, som klimaforandringerne medf\u00f8rer, vil vand blive en endnu mere v\u00e6rdifuld ressource.<\/p>\n<\/div>\n<p>Billeder af Jorden set fra rummet viser, at vores verden best\u00e5r af enorme oceaner, s\u00e5 man kan undre sig over, hvorfor vandmangel er s\u00e5 udbredt. Har du h\u00f8rt udtrykket: \u201cVand, vand overalt, men ikke en dr\u00e5be at drikke\u201d? Selvom vores oceaner er enorme, udg\u00f8r ferskvand, der er sikkert at drikke, mindre end 3% af vandet p\u00e5 Jorden \u2013 og det meste af dette findes faktisk i iskapper og gletsjere, hvor mennesker ikke let kan f\u00e5 fat i det. I alt er mindre end 1% af Jordens vand tilg\u00e6ngeligt til drikkevand, landbrug, industri og alt det andet, vi har brug for. Ikke underligt, at folk nogle gange l\u00f8ber t\u00f8r!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2141\" data-credit=\"ESA - P. Carril\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2009\/06\/SMOS_satellite\" data-licence=\"ESA Standard Licence and Additional permission may be required\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2009\/06\/smos_satellite\/9502443-4-eng-GB\/SMOS_satellite.jpg\" alt=\"SMOS satellite\"><figcaption>SMOS-satellitten<\/figcaption><\/figure>\n<p>ESA\u2019s satellitter bidrager til at overv\u00e5ge vandforsyningen, s\u00e5 vi kan udnytte hver eneste dr\u00e5be. ESA\u2019s SMOS-mission (Soil Moisture and Ocean Salinity) og Copernicus Sentinel-satellitterne overv\u00e5ger jordfugtigheden p\u00e5 landbrugsbedrifter, s\u00e5 der kan anvendes den rette m\u00e6ngde vand til afgr\u00f8derne. ESA-satellitter som Sentinel-1, Sentinel-2 og CryoSat kan ogs\u00e5 bruges til at overv\u00e5ge, hvordan gletsjerne \u00e6ndrer sig. Det er vigtigt, fordi gletsjerne har indflydelse p\u00e5, hvor meget vand der vil v\u00e6re til r\u00e5dighed for befolkningen i bestemte omr\u00e5der. For eksempel leverer isen fra den del af Himalaya-bjergene, der kaldes \u201cden tredje pol\u201d (fordi den indeholder den st\u00f8rste m\u00e6ngde ferskvand efter nord- og sydpolen), ferskvand til over 1,3 milliarder mennesker i Asien. Det er n\u00e6sten 20% af verdens befolkning!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2459\" data-credit=\"ESA\/AOES Medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/09\/The_Earth_s_water_cycle\" data-licence=\"ESA Standard Licence and Additional permission may be required\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/09\/the_earth_s_water_cycle\/10000126-2-eng-GB\/The_Earth_s_water_cycle.jpg\" alt=\"The Earth&#x27;s water cycle\"><figcaption>Jordens vandkredsl\u00f8b<\/figcaption><\/figure>\n<p>N\u00e6ste gang du drikker et glas vand, s\u00e5 tag et \u00f8jeblik til at t\u00e6nke over, hvor det kommer fra, og hvordan ESA\u2019s satellitter hj\u00e6lper mennesker over hele verden med at udnytte vores planets vandressourcer bedst muligt!<\/p>\n<p><i>Sjovt faktum: Det samme vand har eksisteret i milliarder af \u00e5r og cirkuleret gennem luften, havene, s\u00f8erne, klipperne, dyrene, planterne og tilbage igen. Det vand, du drikker i dag, har m\u00e5ske engang v\u00e6ret inde i en dinosaur! <\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>When you are thirsty, do you turn on the tap to get a drink of water? If you do, consider yourself lucky, because around the world more than two billion [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2019\/01\/proba-v_view_of_aral_sea\/19181570-1-eng-GB\/Proba-V_view_of_Aral_Sea.jpg","esa_banner_description":"Proba-V view of Aral Sea","esa_banner_credit":"ESA\/Belspo \u2013 produced by VITO","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2019\/01\/Proba-V_view_of_Aral_Sea","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-280","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/comments?post=280"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/280\/revisions"}],"predecessor-version":[{"id":4384,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/posts\/280\/revisions\/4384"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/media?parent=280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/categories?post=280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/tags?post=280"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/panel?post=280"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/language?post=280"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/age?post=280"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/duration?post=280"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/resource_type?post=280"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/audience?post=280"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/da\/wp-json\/wp\/v2\/wf_post_folders?post=280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}