{"id":1019,"date":"2010-05-25T11:48:00","date_gmt":"2010-05-25T09:48:00","guid":{"rendered":"https:\/\/kids.esa.int\/space_images_show_spreading_oil_spill\/"},"modified":"2026-10-08T00:34:57","modified_gmt":"2026-10-07T22:34:57","slug":"space_images_show_spreading_oil_spill","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/space_images_show_spreading_oil_spill\/","title":{"rendered":"Avaruuskuvat osoittavat \u00f6ljyvuodon levi\u00e4v\u00e4n"},"content":{"rendered":"<div class=\"lede\">\n<p>Miljoonat ihmiset Yhdysvaltojen etel\u00e4osissa seuraavat j\u00e4nnittynein\u00e4, kun valtava, ruskea hirvi\u00f6 py\u00f6rii merell\u00e4 ja valmistautuu peitt\u00e4m\u00e4\u00e4n l\u00e4heisen rannikon. Kyseess\u00e4 on valtava \u00f6ljylautta, joka ajelehtii tuulien ja merivirtojen armoilla. Jos se saapuu rannikolle, t\u00e4rke\u00e4t kalastusalueet, matkailurannat ja luonnonvaraisten el\u00e4inten lis\u00e4\u00e4ntymisalueet hautautuvat paksun, tarttuvan lietteen alle. V\u00e4lill\u00e4 uhkaa suuri ymp\u00e4rist\u00f6katastrofi.<\/p>\n<\/div>\n<p>Monien maiden kaukokartoitusavaruusalukset, mukaan lukien ESA:n Envisat, seuraavat \u00f6ljylautan liikkeit\u00e4 ymp\u00e4ri vuorokauden. Avaruusaluksissa olevat optiset laitteet pystyv\u00e4t havaitsemaan pinnalla levi\u00e4v\u00e4n \u00f6ljyn p\u00e4iv\u00e4ll\u00e4, kun alue on pilvet\u00f6n. Tutkalaitteet havaitsevat \u00f6ljylautan y\u00f6ll\u00e4 ja pilvisell\u00e4 s\u00e4\u00e4ll\u00e4 ja antavat samalla tietoa pinnan ep\u00e4tasaisuudesta ja virtaussuunnista. T\u00e4m\u00e4n avulla voidaan laskea, mihin suuntaan saasteet saattavat levit\u00e4.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1428\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2010\/04\/Envisat_optical_image2\" data-licence=\"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\/2010\/04\/envisat_optical_image2\/17891835-2-eng-GB\/Envisat_optical_image.jpg\" alt=\"Envisat optical image\"><figcaption>Envisatin optinen kuva<\/figcaption><\/figure>\n<p>Kriisi alkoi 22. huhtikuuta, kun porauslautta r\u00e4j\u00e4hti ja upposi Meksikonlahdella. Siit\u00e4 l\u00e4htien vaurioituneesta \u00f6ljyl\u00e4hteest\u00e4, joka sijaitsee 1,5 km:n syvyydess\u00e4 porauslautan alla, on vuotanut p\u00e4ivitt\u00e4in tuhansia tynnyreit\u00e4 raaka\u00f6ljy\u00e4. Nelj\u00e4n p\u00e4iv\u00e4n kuluessa \u00f6ljyvuoto oli levinnyt alueelle, jonka pituus oli 77 km ja leveys 63 km. Aluksi satelliittikuvista n\u00e4kyi, ett\u00e4 \u00f6ljy oli ajautumassa kohti Louisianan rannikkoa, mutta onneksi tuulen suunta muuttui ja \u00f6ljylautta on pysynyt p\u00e4\u00e4osin avomerell\u00e4.<\/p>\n<p>Avaruudesta otetut kuvat osoittavat kuitenkin nyt, ett\u00e4 pitk\u00e4 \u00f6ljyjuova levi\u00e4\u00e4 etel\u00e4\u00e4n. 19. toukokuuta menness\u00e4 Envisat-satelliitin tutkakuvat osoittivat, ett\u00e4 \u00f6ljyjuova oli joutunut voimakkaaseen merivirtaan, joka saattoi kuljettaa \u00f6ljyn etel\u00e4\u00e4n kohti Floridan kauniita koralliriuttoja.<\/p>","protected":false},"excerpt":{"rendered":"<p>Millions of people in the southern United States are watching with bated breath as a huge, brown monster swirls around offshore, preparing to smother the nearby coast. The monster in [&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\/2010\/04\/envisat_radar_image_of_the_oil_spill2\/17868414-2-eng-GB\/Envisat_radar_image_of_the_oil_spill.jpg","esa_banner_description":"Envisat radar image of the oil spill","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2010\/04\/Envisat_radar_image_of_the_oil_spill2","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":[42,10,43],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1019","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-protecting-earth"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/1019","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=1019"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/1019\/revisions"}],"predecessor-version":[{"id":4801,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/1019\/revisions\/4801"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=1019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=1019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=1019"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=1019"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=1019"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=1019"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=1019"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=1019"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=1019"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=1019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}