{"id":434,"date":"2017-05-25T13:05:00","date_gmt":"2017-05-25T11:05:00","guid":{"rendered":"https:\/\/kids.esa.int\/esa_satellites_spot_coral_reefs_in_danger\/"},"modified":"2026-10-08T00:28:09","modified_gmt":"2026-10-07T22:28:09","slug":"esa_satellites_spot_coral_reefs_in_danger","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/esa_satellites_spot_coral_reefs_in_danger\/","title":{"rendered":"Az ESA m\u0171holdjai vesz\u00e9lyben l\u00e9v\u0151 korallz\u00e1tonyokat \u00e9szlelnek"},"content":{"rendered":"<div class=\"lede\">\n<p>Az ausztr\u00e1liai Nagy-korallz\u00e1tony rendk\u00edv\u00fcli term\u00e9szeti sz\u00e9ps\u00e9g\u0171 ter\u00fclet. T\u00f6bb mint 2000 km hossz\u00fa, \u00e9s olyan tengeri \u00e9l\u0151l\u00e9nyeknek ad otthont, mint a r\u00e1ja, a puhatest\u0171ek, a delfinek, a tr\u00f3pusi halak, a tengeri tekn\u0151s\u00f6k, valamint t\u00f6bb mint 400 korallfaj. Els\u0151 pillant\u00e1sra a korall n\u00f6v\u00e9nynek t\u0171nik, de val\u00f3j\u00e1ban egy furcsa \u00e1llatfaj, amely a szikl\u00e1khoz r\u00f6gz\u00fcl. Hatalmas ter\u00fcleteken elterjedve a korall a F\u00f6ld \u00f6kosziszt\u00e9m\u00e1j\u00e1nak fontos r\u00e9sze.<\/p>\n<\/div>\n<p>A tud\u00f3sok az ESA Sentinel-2 m\u0171holdjait haszn\u00e1lj\u00e1k a Nagy-korallz\u00e1tony koralljainak f\u00e9nyk\u00e9pez\u00e9s\u00e9re. Aggaszt\u00f3 felfedez\u00e9st tettek: a korallokban \u00e9l\u0151 z\u00f6ld alg\u00e1k \u2013 amelyekre a koralloknak a t\u00fal\u00e9l\u00e9shez sz\u00fcks\u00e9g\u00fck van \u2013 k\u00e1rosodnak, s\u0151t, ak\u00e1r el is pusztulnak.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1195\" data-credit=\"EOMAP\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/The_brightest_parts_are_coral_being_bleached\" 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\/2017\/05\/the_brightest_parts_are_coral_being_bleached\/18248030-2-eng-GB\/The_brightest_parts_are_coral_being_bleached.png\" alt=\"The brightest parts are coral being bleached\"><figcaption>A legf\u00e9nyesebb r\u00e9szek a kifeh\u00e9redett korallok<\/figcaption><\/figure>\n<p>Ezt a jelens\u00e9get korallfeh\u00e9red\u00e9snek nevezik, \u00e9s azt a glob\u00e1lis felmeleged\u00e9s okozza, amely miatt a tengerv\u00edz t\u00fal meleg lesz az alg\u00e1k sz\u00e1m\u00e1ra. A korallok k\u00f6r\u00fclbel\u00fcl hat h\u00e9tig maradhatnak feh\u00e9r\u00edtett \u00e1llapotban. Ezut\u00e1n vagy helyre\u00e1llhatnak, vagy teljesen elpusztulhatnak, ami nagyon rossz h\u00edr mindazoknak a n\u00f6v\u00e9nyeknek \u00e9s \u00e1llatoknak, amelyek a korallokban \u00e9lnek, \u00e9s t\u00e1pl\u00e1l\u00e9kul szolg\u00e1lnak sz\u00e1mukra.<\/p>\n<p>A b\u00fav\u00e1rok szem\u00e9lyesen is megvizsg\u00e1lhatj\u00e1k a korallok \u00e1llapot\u00e1t, de ez hossz\u00fa id\u0151t vesz ig\u00e9nybe, \u00e9s azt jelenti, hogy csak kis ter\u00fcleteket lehet \u00edgy tanulm\u00e1nyozni. Az ESA Sentinel-2 m\u0171holdjainak haszn\u00e1lata lehet\u0151v\u00e9 teszi sokkal nagyobb ter\u00fcletek megfigyel\u00e9s\u00e9t, ami hat\u00e9konyabb m\u00f3dszer a korallok eg\u00e9szs\u00e9gi \u00e1llapot\u00e1nak nyomon k\u00f6vet\u00e9s\u00e9re.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\/ATG medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/ESA_s_Sentinel_satellites_have_been_watching_the_Great_Barrier_Reef\" 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\/2017\/05\/esa_s_sentinel_satellites_have_been_watching_the_great_barrier_reef\/17884472-2-eng-GB\/ESA_s_Sentinel_satellites_have_been_watching_the_Great_Barrier_Reef.jpg\" alt=\"ESA\u2019s Sentinel satellites have been watching the Great Barrier Reef\"><figcaption>Az ESA Sentinel m\u0171holdjai figyelemmel k\u00eds\u00e9rik a Nagy-korallz\u00e1tonyt<\/figcaption><\/figure>\n<p>Nem ez az els\u0151 alkalom, hogy m\u0171holdakat haszn\u00e1lnak a Nagy-korallz\u00e1tonyhoz hasonl\u00f3 koralltelepek megfigyel\u00e9s\u00e9re. A Sentinel-2 m\u0171holdak azonban kiv\u00e1l\u00f3an alkalmasak erre a feladatra, mivel nagyon nagy felbont\u00e1s\u00fa felv\u00e9teleket k\u00e9sz\u00edtenek, \u00e9s rendszeresen rep\u00fclnek el a ter\u00fclet felett, \u00edgy gyorsan \u00e9szlelhetik a kifeh\u00e9red\u0151 korallokat.<\/p>\n<p>Az ESA jelenleg egy \u00faj sz\u00e1m\u00edt\u00f3g\u00e9pes programot fejleszt, amely seg\u00edt a korallz\u00e1tonyokr\u00f3l k\u00e9sz\u00fclt m\u0171holdas felv\u00e9telek gyors \u00e9s pontos elemz\u00e9s\u00e9ben. Min\u00e9l t\u00f6bbet tudunk a korallfeh\u00e9red\u00e9sr\u0151l, ann\u00e1l hat\u00e9konyabban tudjuk megv\u00e9deni bolyg\u00f3nk ezen fontos r\u00e9szeit.<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> A Nagy-korallz\u00e1tonyt kutat\u00f3 tud\u00f3sok t\u00f6bb mint 120 \u00e9ves \u00f3ri\u00e1skagyl\u00f3kat fedeztek fel!<\/p>","protected":false},"excerpt":{"rendered":"<p>The Great Barrier Reef in Australia is an area of outstanding natural beauty. More than 2000km long, it is home to sealife like rays, molluscs, dolphins, tropical fish, sea turtles, [&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\/2017\/05\/the_great_barrier_reef_is_home_to_hundreds_of_types_of_coral\/17896497-2-eng-GB\/The_Great_Barrier_Reef_is_home_to_hundreds_of_types_of_coral.jpg","esa_banner_description":"The Great Barrier Reef is home to hundreds of types of coral","esa_banner_credit":"T. Hudson\/Wikipedia","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/05\/The_Great_Barrier_Reef_is_home_to_hundreds_of_types_of_coral","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-434","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\/hu\/wp-json\/wp\/v2\/posts\/434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=434"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/434\/revisions"}],"predecessor-version":[{"id":4470,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/434\/revisions\/4470"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=434"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=434"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=434"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=434"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=434"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=434"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=434"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}