{"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\/cs\/satellites_study_deadly_dust_storms\/","title":{"rendered":"Satelity zkoumaj\u00ed smrt\u00edc\u00ed prachov\u00e9 bou\u0159e"},"content":{"rendered":"
\n

Prach je velk\u00fd cestovatel. Nen\u00ed v\u00fdjimkou, \u017ee se tenk\u00e1 vrstva prachu z africk\u00e9 Sahary usad\u00ed na zaparkovan\u00fdch autech vzd\u00e1len\u00fdch tis\u00edce kilometr\u016f.<\/p>\n<\/div>\n

Prach v\u0161ak m\u016f\u017ee b\u00fdt smrteln\u00fd. Na such\u00fdch okraj\u00edch Sahary (zn\u00e1m\u00fdch jako Sahel) je 300 milion\u016f lid\u00ed ohro\u017eeno smrtelnou nemoc\u00ed zvanou meningitida.<\/p>\n

Toto onemocn\u011bn\u00ed zp\u016fsobuje otok mozku a mozkov\u00fdch blan. U t\u011bch, kte\u0159\u00ed na n\u011bj nezem\u0159ou, m\u016f\u017ee doj\u00edt ke ztr\u00e1t\u011b sluchu a po\u0161kozen\u00ed mozku.<\/p>\n

\u201cK ohnisk\u016fm meningitidy doch\u00e1z\u00ed po obdob\u00ed bez de\u0161t\u011b, p\u0159i n\u00edzk\u00e9 vlhkosti vzduchu a velk\u00e9m mno\u017estv\u00ed prachu ve vzduchu,\u201d vysv\u011btlila Isabelle Jeanne z Centre de Recherche M\u00e9dicale et Sanitaire v Nigeru.<\/p>\n

\"Dust
Prach un\u00e1\u0161en\u00fd v\u011btrem ze Z\u00e1padn\u00ed Sahary sm\u011brem k Kan\u00e1rsk\u00fdm ostrov\u016fm<\/figcaption><\/figure>\n

P\u0159esn\u00e1 souvislost zat\u00edm nen\u00ed zn\u00e1ma. Jedna z teori\u00ed tvrd\u00ed, \u017ee prach un\u00e1\u0161en\u00fd v\u011btrem, jemn\u00fd jako talk, zp\u016fsobuje podr\u00e1\u017ed\u011bn\u00ed nosn\u00ed sliznice. To usnad\u0148uje bakteri\u00edm proniknut\u00ed do krevn\u00edho ob\u011bhu.<\/p>\n

ESA pom\u00e1h\u00e1 v\u011bdc\u016fm zkoumat a p\u0159edpov\u00eddat ohniska meningitidy. C\u00edlem je z\u00edskat v\u00edce informac\u00ed o smrteln\u00fdch epidemi\u00edch, kter\u00e9 \u010dasto n\u00e1sleduj\u00ed po p\u0159\u00edchodu prachu.<\/p>\n

L\u00e9ka\u0159\u0161t\u00ed v\u011bdci vyu\u017e\u00edvaj\u00ed satelitn\u00ed sn\u00edmky ke sledov\u00e1n\u00ed obrovsk\u00fdch prachov\u00fdch bou\u0159\u00ed, kter\u00e9 se val\u00ed p\u0159es Sahel. B\u011bhem posledn\u00edho obdob\u00ed sucha poskytovala ESA v r\u00e1mci syst\u00e9mu v\u010dasn\u00e9ho varov\u00e1n\u00ed t\u00fddenn\u00ed mapy prachov\u00e9ho zne\u010di\u0161t\u011bn\u00ed. Mapy Sahelu vych\u00e1zej\u00ed z denn\u00edch sn\u00edmk\u016f z meteorologick\u00e9 dru\u017eice Meteosat-7, kterou vyrobila ESA.<\/p>\n

Dal\u0161\u00edm krokem je anal\u00fdza sn\u00edmk\u016f po\u0159\u00edzen\u00fdch v posledn\u00edch 10 letech a hled\u00e1n\u00ed souvislost\u00ed mezi prachov\u00fdmi bou\u0159emi a v\u00fdskytem t\u00e9to nemoci.<\/p>","protected":false},"excerpt":{"rendered":"

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 […]<\/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\/cs\/wp-json\/wp\/v2\/posts\/984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=984"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/984\/revisions"}],"predecessor-version":[{"id":4776,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/984\/revisions\/4776"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=984"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=984"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=984"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=984"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=984"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=984"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=984"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}