{"id":984,"date":"2005-05-10T10:58:00","date_gmt":"2005-05-10T08:58:00","guid":{"rendered":"https:\/\/kids.esa.int\/satellites_study_deadly_dust_storms\/"},"modified":"2026-10-08T00:34:31","modified_gmt":"2026-10-07T22:34:31","slug":"satellites_study_deadly_dust_storms","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/satellites_study_deadly_dust_storms\/","title":{"rendered":"M\u0171holdak vizsg\u00e1lj\u00e1k a hal\u00e1los porviharokat"},"content":{"rendered":"<div class=\"lede\">\n<p>A por nagy utaz\u00f3. Nem ritka, hogy az afrikai Szahara-sivatagb\u00f3l sz\u00e1rmaz\u00f3 finom porr\u00e9teg t\u00f6bb ezer kilom\u00e9terre l\u00e9v\u0151 parkol\u00f3 aut\u00f3kra is lerak\u00f3dik.<\/p>\n<\/div>\n<p>A por azonban hal\u00e1los vesz\u00e9lyt jelenthet. A Szahara sz\u00e1raz peremvid\u00e9k\u00e9n (amelyet Sahelnek neveznek) 300 milli\u00f3 ember van kit\u00e9ve egy agyh\u00e1rtyagyullad\u00e1s nev\u0171 hal\u00e1los betegs\u00e9g vesz\u00e9ly\u00e9nek.<\/p>\n<p>Ez a betegs\u00e9g az agy \u00e9s a gerincvel\u0151 burk\u00e1nak duzzad\u00e1s\u00e1t okozza. Azokn\u00e1l, akik nem halnak meg a betegs\u00e9g k\u00f6vetkezt\u00e9ben, hall\u00e1sveszt\u00e9s \u00e9s agyk\u00e1rosod\u00e1s l\u00e9phet fel.<\/p>\n<p>\u201cA meningitis-j\u00e1rv\u00e1nyok olyan id\u0151szakok ut\u00e1n alakulnak ki, amikor nem esik es\u0151, alacsony a p\u00e1ratartalom, \u00e9s sok por van a leveg\u0151ben\u201d \u2013 magyar\u00e1zta Isabelle Jeanne, a nigeri Centre de Recherche M\u00e9dicale et Sanitaire munkat\u00e1rsa.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2241\" data-credit=\"ESA 2003\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/07\/Dust_blown_from_the_Western_Sahara_towards_the_Canary_Islands2\" 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\/2003\/07\/dust_blown_from_the_western_sahara_towards_the_canary_islands2\/17890688-2-eng-GB\/Dust_blown_from_the_Western_Sahara_towards_the_Canary_Islands.jpg\" alt=\"Dust blown from the Western Sahara towards the Canary Islands\"><figcaption>A Nyugat-Szahar\u00e1b\u00f3l a Kan\u00e1ri-szigetek fel\u00e9 sodr\u00f3d\u00f3 por<\/figcaption><\/figure>\n<p>A pontos \u00f6sszef\u00fcgg\u00e9s egyel\u0151re nem ismert. Az egyik elm\u00e9let szerint a sz\u00e9l \u00e1ltal felkavart, talkumpor finoms\u00e1g\u00fa por irrit\u00e1ci\u00f3t okoz az emberek orr\u00e1ban. Ez megk\u00f6nny\u00edti a bakt\u00e9riumok bejut\u00e1s\u00e1t a v\u00e9r\u00e1ramba.<\/p>\n<p>Az ESA seg\u00edti a tud\u00f3sokat az agyh\u00e1rtyagyullad\u00e1s-j\u00e1rv\u00e1nyok tanulm\u00e1nyoz\u00e1s\u00e1ban \u00e9s el\u0151rejelz\u00e9s\u00e9ben. A c\u00e9l az, hogy t\u00f6bbet tudjanak meg azokr\u00f3l a hal\u00e1los j\u00e1rv\u00e1nyokr\u00f3l, amelyek gyakran a por \u00e9rkez\u00e9s\u00e9t k\u00f6vetik.<\/p>\n<p>Az orvosi kutat\u00f3k m\u0171holdas felv\u00e9telek seg\u00edts\u00e9g\u00e9vel k\u00f6vetik nyomon a Sahel-\u00f6vezetet \u00e1ts\u00f6pr\u0151 hatalmas porviharokat. A legut\u00f3bbi sz\u00e1raz \u00e9vszak sor\u00e1n az ESA egy korai figyelmeztet\u0151 rendszer r\u00e9szek\u00e9nt heti por t\u00e9rk\u00e9peket bocs\u00e1tott rendelkez\u00e9sre. A Sahel-\u00f6vezetre vonatkoz\u00f3 t\u00e9rk\u00e9pek az ESA \u00e1ltal \u00e9p\u00edtett Meteosat-7 meteorol\u00f3giai m\u0171hold napi felv\u00e9telein alapulnak.<\/p>\n<p>A k\u00f6vetkez\u0151 l\u00e9p\u00e9s az elm\u00falt 10 \u00e9vben k\u00e9sz\u00fclt felv\u00e9telek elemz\u00e9se, valamint a porviharok \u00e9s a betegs\u00e9g kit\u00f6r\u00e9sei k\u00f6z\u00f6tti \u00f6sszef\u00fcgg\u00e9sek felkutat\u00e1sa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dust is a great traveller. It is not uncommon for a fine coating of dust from Africa\u2019s Sahara desert to settle on parked cars thousands of kilometres away. But dust [&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\/2005\/05\/a_dust_storm_as_seen_by_msg-12\/17898495-2-eng-GB\/A_dust_storm_as_seen_by_MSG-1.gif","esa_banner_description":"A dust storm as seen by MSG-1","esa_banner_credit":"DLR","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/05\/A_dust_storm_as_seen_by_MSG-12","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-984","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\/hu\/wp-json\/wp\/v2\/posts\/984","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=984"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/984\/revisions"}],"predecessor-version":[{"id":4776,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/984\/revisions\/4776"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=984"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=984"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=984"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=984"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=984"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=984"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=984"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}