{"id":372,"date":"2018-08-17T09:49:00","date_gmt":"2018-08-17T07:49:00","guid":{"rendered":"https:\/\/kids.esa.int\/introducing_aeolus_esa_s_wind-watching_satellite\/"},"modified":"2026-10-08T00:27:24","modified_gmt":"2026-10-07T22:27:24","slug":"introducing_aeolus_esa_s_wind-watching_satellite","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/introducing_aeolus_esa_s_wind-watching_satellite\/","title":{"rendered":"Esittelyss\u00e4 Aeolus, ESA:n tuulenseurantasatelliitti"},"content":{"rendered":"<div class=\"lede\">\n<p>Milloin tarkistit viimeksi s\u00e4\u00e4ennusteen? Oliko se tarkka? S\u00e4\u00e4n ennustaminen on eritt\u00e4in vaikeaa, mutta tarkat ennusteet ovat t\u00e4rkeit\u00e4. Ne auttavat maataloudessa, kalastuksessa, rakentamisessa, liikenteess\u00e4 ja jopa p\u00e4iv\u00e4n suunnittelussa! S\u00e4\u00e4ennusteet ovat yh\u00e4 luotettavampia, mutta tuulesta tarvitaan kiireellisesti parempaa tietoa. Auttaakseen t\u00e4ss\u00e4 asiassa ESA valmistautuu laukaisemaan uuden satelliitin, nimelt\u00e4\u00e4n Aeolus.<\/p>\n<\/div>\n<p><i>T\u00e4lt\u00e4 Aeolus n\u00e4ytt\u00e4\u00e4, kun se kiert\u00e4\u00e4 Maata. Tekij\u00e4noikeus: ESA\/ATG Medialab.<\/i><\/p>\n<p>Useimmissa satelliiteissa on paljon erilaisia mittalaitteita, mutta Aeolusissa on vain yksi eritt\u00e4in t\u00e4rke\u00e4 laite. Aladin-niminen laite k\u00e4ytt\u00e4\u00e4 kahta tehokasta laseria, suurta teleskooppia ja eritt\u00e4in herkki\u00e4 vastaanottimia. Laser l\u00e4hett\u00e4\u00e4 ultraviolettivaloa kohti Maata, ja valo heijastuu ilmakeh\u00e4n ilmamolekyyleist\u00e4, p\u00f6lyst\u00e4, j\u00e4\u00e4st\u00e4 ja vesipisaroista. Satelliittiin takaisin heijastuva valo ker\u00e4t\u00e4\u00e4n Aladinin kaukoputkella ja mitataan. T\u00e4m\u00e4n tekniikan avulla Aeolus voi tutkia maapallon ilmakeh\u00e4n alinta 30 kilometrin kerrosta ja mitata tuulia, jotka py\u00f6riv\u00e4t planeettamme ymp\u00e4rill\u00e4.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4625\" data-credit=\"Copyright contains modified Copernicus Sentinel data (2017), processed by ESA, CC BY-SA 3.0 IGO\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/08\/Hurricane_Ophelia\" data-licence=\"CC BY-SA 3.0 IGO or ESA Standard Licence\" 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\/2018\/08\/hurricane_ophelia\/17909308-2-eng-GB\/Hurricane_Ophelia.jpg\" alt=\"Hurricane Ophelia\"><figcaption>Hurrikaani Ophelia<\/figcaption><\/figure>\n<p>Aeolus-tuulimissio auttaa meit\u00e4 laatimaan tarkkoja ja luotettavia karttoja maapallon ymp\u00e4rill\u00e4 puhaltavasta tuulesta, seuraamaan niiden muutoksia ja tekem\u00e4\u00e4n hy\u00f6dyllisi\u00e4 s\u00e4\u00e4ennusteita. Se voi jopa pelastaa ihmishenki\u00e4 varoittamalla ihmisi\u00e4 hurrikaanien kaltaisista \u00e4\u00e4rimm\u00e4isist\u00e4 s\u00e4\u00e4ilmi\u00f6ist\u00e4, jotta he ehtiv\u00e4t evakuoitua myrskyn tielt\u00e4!<\/p>\n<p>Tuulen parempi ymm\u00e4rt\u00e4minen auttaa tutkijoita my\u00f6s ennustamaan maapallon pitk\u00e4n aikav\u00e4lin ilmastonmuutosta, mik\u00e4 on eritt\u00e4in t\u00e4rke\u00e4\u00e4 meid\u00e4n ja tulevien sukupolvien terveyden ja turvallisuuden kannalta. Aeolus-mission on tarkoitus kest\u00e4\u00e4 kolme vuotta, ja jos se onnistuu toivotulla tavalla, se saattaa avata tien uusille tuulen seurantasatelliiteille.<\/p>\n<p><b>Mielenkiintoinen fakta:<\/b> Aeolus on nimetty antiikin kreikkalaisen mytologian \u201ctuulien vartijan\u201d mukaan.<\/p>","protected":false},"excerpt":{"rendered":"<p>When was the last time you checked the weather forecast? Was it accurate? Predicting the weather is very difficult, but accurate forecasts are important. They help with farming, fishing, construction, [&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\/2018\/08\/profiling_the_world_s_winds\/17879255-2-eng-GB\/Profiling_the_world_s_winds.jpg","esa_banner_description":"Profiling the world's winds","esa_banner_credit":"ESA\/ATG medialab","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/08\/Profiling_the_world_s_winds","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-372","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\/fi\/wp-json\/wp\/v2\/posts\/372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/comments?post=372"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/372\/revisions"}],"predecessor-version":[{"id":4420,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/372\/revisions\/4420"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=372"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=372"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=372"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=372"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=372"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=372"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=372"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}