{"id":718,"date":"2012-03-27T12:48:00","date_gmt":"2012-03-27T10:48:00","guid":{"rendered":"https:\/\/kids.esa.int\/keeping_an_eye_from_the_sky_on_volcanoes\/"},"modified":"2026-10-08T00:31:30","modified_gmt":"2026-10-07T22:31:30","slug":"keeping_an_eye_from_the_sky_on_volcanoes","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/keeping_an_eye_from_the_sky_on_volcanoes\/","title":{"rendered":"Supravegherea \u2013 din cer \u2013 a vulcanilor"},"content":{"rendered":"<div class=\"lede\">\n<p>Erup\u021bia vulcanului Eyjafjallaj\u00f6kull din Islanda, din 2010, ne-a ar\u0103tat c\u0103 erup\u021biile vulcanice pot avea consecin\u021be majore, afect\u00e2nd mii de oameni. De aceea, sateli\u021bii care monitorizeaz\u0103 vulcanii sunt extrem de importan\u021bi.<\/p>\n<\/div>\n<p>Din p\u0103cate, majoritatea vulcanilor din lume nu sunt monitoriza\u021bi prea bine, dac\u0103 sunt monitoriza\u021bi deloc! Un studiu publicat \u00een revista \u201eScience\u201d a ar\u0103tat c\u0103, din cei 440 de vulcani activi din lume, 384 beneficiaz\u0103 de o monitorizare foarte rudimentar\u0103 sau nu sunt monitoriza\u021bi deloc. Dintre ace\u0219ti vulcani, 65 au fost identifica\u021bi ca reprezent\u00e2nd un risc grav pentru popula\u021bii numeroase.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"487\" data-credit=\"J. Biggs, University of Bristol\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/03\/Alutu_Volcano2\" 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\/2012\/03\/alutu_volcano2\/17870227-2-eng-GB\/Alutu_Volcano.jpg\" alt=\"Alutu Volcano\"><figcaption>Vulcanul Alutu<\/figcaption><\/figure>\n<p>Sateli\u021bii de observare a P\u0103m\u00e2ntului, precum Envisat al ESA, pot detecta activit\u0103\u021bi vulcanice nesupravegheate cu ajutorul radarului interferometric cu apertur\u0103 sintetic\u0103 (InSAR). InSAR este o tehnic\u0103 de teledetec\u021bie care capteaz\u0103 dou\u0103 sau mai multe imagini radar ale aceleia\u0219i zone \u0219i le combin\u0103. Astfel, putem observa dac\u0103 au avut loc modific\u0103ri la suprafa\u021b\u0103 \u00eentre momentul \u00een care a fost capturat\u0103 prima imagine \u0219i cel al celei de-a doua. Aceste modific\u0103ri apar sub forma unor modele \u00een culorile curcubeului pe noua imagine combinat\u0103.<\/p>\n<p>Ca urmare a acestor observa\u021bii prin satelit, se \u0219tie acum c\u0103 mul\u021bi vulcani pe care \u00eei consideram anterior inactivi dau semne de activitate.<\/p>\n<p>Se preconizeaz\u0103 c\u0103 noii sateli\u021bi Sentinel vor colecta date despre toate masele continentale, inclusiv vulcanii, la fiecare \u0219ase zile, pe parcursul urm\u0103torilor 20 de ani. Primul dintre ace\u0219ti sateli\u021bi va fi lansat anul viitor, \u00een 2013. Acest lucru va contribui la monitorizarea multor vulcani din \u00eentreaga lume.<\/p>\n<p>Cu ajutorul sateli\u021bilor, oamenii de \u0219tiin\u021b\u0103 \u00eencearc\u0103 s\u0103 \u00een\u021beleag\u0103 c\u00e2nd activitatea vulcanic\u0103 va duce la erup\u021bii. Datele ob\u021binute prin satelit pot ajuta, de asemenea, \u021b\u0103rile s\u0103 elaboreze planuri de evacuare pentru persoanele care locuiesc \u00een apropierea vulcanilor, ale c\u0103ror vie\u021bi ar putea fi \u00een pericol.<\/p>","protected":false},"excerpt":{"rendered":"<p>The eruption of the Eyjafjallaj\u00f6kull volcano in Iceland in 2010 showed us that volcanic eruptions can have major consequences, affecting thousands of people. That is why satellites that keep an [&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\/2011\/06\/puzzle_-_volcanoes2\/17895497-2-eng-GB\/Puzzle_-_Volcanoes.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2011\/06\/Puzzle_-_Volcanoes2","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":[42,10,59],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-718","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-natural-disasters"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=718"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/718\/revisions"}],"predecessor-version":[{"id":4646,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/718\/revisions\/4646"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=718"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=718"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=718"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=718"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=718"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=718"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=718"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}