{"id":6785,"date":"2025-01-23T18:10:23","date_gmt":"2025-01-23T17:10:23","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=6785"},"modified":"2025-01-24T07:54:29","modified_gmt":"2025-01-24T06:54:29","slug":"saharsky-pisecny-prach","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2025\/01\/23\/saharsky-pisecny-prach\/","title":{"rendered":"Saharsk\u00fd p\u00edse\u010dn\u00fd prach"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6785\" class=\"elementor elementor-6785\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47e09cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"47e09cd\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-daf7ec9\" data-id=\"daf7ec9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-396917d elementor-widget elementor-widget-text-editor\" data-id=\"396917d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>P\u00edse\u010dn\u00fd prach ze Sahary (ale i jin\u00fdch pou\u0161t\u00ed) se m\u016f\u017ee \u0161\u00ed\u0159it na velmi velk\u00e9 vzd\u00e1lenosti. Na p\u0159elomu b\u0159ezna a dubna 2024 jsme to poc\u00edtili i v \u010cesk\u00e9 republice, kdy mj. do\u0161lo k velmi v\u00fdrazn\u00e9mu zhor\u0161en\u00ed kvality ovzdu\u0161\u00ed, kter\u00e9 vedlo a\u017e k vyhl\u00e1\u0161en\u00ed smogov\u00e9 situace na v\u011bt\u0161in\u011b na\u0161eho \u00fazem\u00ed. Co saharsk\u00fd p\u00edsek obsahuje? Jak\u00fd m\u00e1 vliv na zdrav\u00ed? Jak daleko se m\u016f\u017ee \u0161\u00ed\u0159it? Jak ho m\u016f\u017eeme detekovat \u010di jak \u010dasto se nad na\u0161e \u00fazem\u00ed dost\u00e1v\u00e1?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-13ea3b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"13ea3b5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ab19fd0\" data-id=\"ab19fd0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d01bd5 elementor-widget elementor-widget-text-editor\" data-id=\"8d01bd5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Tento \u010dl\u00e1nek vznikl jako\u017eto souhrn toho nejpodstatn\u011bj\u0161\u00edho z interaktivn\u00ed webov\u00e9 aplikace v\u011bnovan\u00e9 saharsk\u00e9mu p\u00edse\u010dn\u00e9mu prachu, kterou najdete v dedikovan\u00e9 str\u00e1nce na webu infoviz.cz <a href=\"https:\/\/www.infoviz.cz\/projects\/dust\/\" target=\"_blank\" rel=\"noopener\">zde<\/a>. Na t\u00e9 najdete i plno obr\u00e1zk\u016f, dal\u0161\u00edch zdroj\u016f a textu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a8360d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a8360d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3b1e377\" data-id=\"3b1e377\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c389bb8 elementor-widget elementor-widget-heading\" data-id=\"c389bb8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Co je saharsk\u00fd p\u00edse\u010dn\u00fd prach a co obsahuje?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2d2321e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2d2321e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c56c445\" data-id=\"c56c445\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5be58cd elementor-widget elementor-widget-text-editor\" data-id=\"5be58cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jako saharsk\u00fd p\u00edse\u010dn\u00fd prach ozna\u010dujeme \u010d\u00e1stice, kter\u00e9 se v\u00a0oblasti saharsk\u00e9 pou\u0161t\u011b dostaly do ovzdu\u0161\u00ed a\u00a0mohou b\u00fdt transportov\u00e1ny na velmi velk\u00e9 vzd\u00e1lenosti.<\/p><p>Studie slo\u017een\u00ed t\u011bchto \u010d\u00e1stic uk\u00e1zaly, \u017ee\u00a0<strong>p\u0159ibli\u017en\u011b 60\u00a0% tvo\u0159\u00ed oxid k\u0159emi\u010dit\u00fd (SiO<sub>2<\/sub>)<\/strong>, d\u00e1le je zde v\u00fdznamn\u00fd pod\u00edl oxidu hlinit\u00e9ho (14\u00a0%, Al<sub>2<\/sub>O<sub>3<\/sub>), oxidu \u017eelezit\u00e9ho (7\u00a0%, Fe<sub>2<\/sub>O<sub>3<\/sub>), oxidu v\u00e1penat\u00e9ho (4\u00a0%, CaO), oxidu ho\u0159e\u010dnat\u00e9ho (2,6\u00a0%, MgO) a\u00a0oxidu draseln\u00e9ho (2,4\u00a0%, K<sub>2<\/sub>O). Z\u00a0mineralogick\u00e9ho hlediska se jedn\u00e1 nej\u010dast\u011bji o\u00a0<strong>k\u0159emen<\/strong>, d\u00e1le magnetit, hematit a\u00a0karbon\u00e1ty.<\/p><p>Studie tak\u00e9 prok\u00e1zaly ur\u010dit\u00e9\u00a0<strong>rozd\u00edly ve slo\u017een\u00ed v\u00a0z\u00e1vislosti na tom, z\u00a0kter\u00e9 \u010d\u00e1sti saharsk\u00e9 pou\u0161t\u011b \u010d\u00e1stice poch\u00e1z\u00ed<\/strong>. Nap\u0159\u00edklad pro severn\u00ed a\u00a0z\u00e1padn\u00ed Saharu je typick\u00fd v\u00fdskyt illitu, pro ji\u017en\u00ed a\u00a0st\u0159edn\u00ed kaolinit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-11ae99e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11ae99e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f388c80\" data-id=\"f388c80\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-186d97a elementor-widget elementor-widget-image\" data-id=\"186d97a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-scaled.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"sahara1\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Njc5MSwidXJsIjoiaHR0cHM6XC9cL3d3dy5lbnZpYmxvZy5jelwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL3NhaGFyYTEtc2NhbGVkLmpwZyJ9\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"446\" src=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-768x446.jpg\" class=\"attachment-medium_large size-medium_large wp-image-6791\" alt=\"\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-768x446.jpg 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-300x174.jpg 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-1024x594.jpg 1024w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-1536x891.jpg 1536w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara1-2048x1188.jpg 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Sn\u00edmek z rozhledny Ak\u00e1tov\u00e1 v\u011b\u017e na \u017eidlochovick\u00e9m V\u00fdhonu 1. 4. 2024 b\u011bhem intenzivn\u00edho projevu saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu v p\u0159\u00edzemn\u00ed vrstv\u011b. Foto: J\u00e1chym Brzezina<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3d9197b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3d9197b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-314cf2a\" data-id=\"314cf2a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07bd5b2 elementor-widget elementor-widget-heading\" data-id=\"07bd5b2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jak daleko se \u010d\u00e1stice ze Sahary mohou \u0161\u00ed\u0159it atmosf\u00e9rou?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3f193dd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3f193dd\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-83fd2f7\" data-id=\"83fd2f7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52abb18 elementor-widget elementor-widget-text-editor\" data-id=\"52abb18\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u010c\u00e1stice se vlivem siln\u00e9ho v\u011btru mohou dostat vysoko do atmosf\u00e9ry a\u00a0p\u0159en\u00e1\u0161et se\u00a0<strong>na tis\u00edce kilometr\u016f<\/strong>\u00a0\u2013 nap\u0159\u00edklad do oblasti Amazonie v\u00a0Ji\u017en\u00ed Americe nebo do Evropy. V\u00a0r\u00e1mci Evropy je v\u00fdskyt nej\u010dast\u011bj\u0161\u00ed v\u00a0zem\u00edch St\u0159edozem\u00ed, zejm\u00e9na tedy nap\u0159\u00edklad \u0160pan\u011blsku, Portugalsku, \u0158ecku a\u00a0It\u00e1lii.<\/p><p>Obecn\u011b se p\u0159enosu zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek, mezi kter\u00e9 pat\u0159\u00ed i\u00a0\u010d\u00e1stice PM<sub>10<\/sub>, odborn\u011b \u0159\u00edk\u00e1\u00a0<strong>d\u00e1lkov\u00fd transport<\/strong>. Ten nen\u00ed zdaleka omezen jen na p\u00edse\u010dn\u00fd prach ze Sahary. V\u00a0roce 2023 jsme se nap\u0159\u00edklad setkaly s\u00a0d\u00e1lkov\u00fdm p\u0159enosem \u010d\u00e1stic z\u00a0lesn\u00edch po\u017e\u00e1r\u016f v\u00a0Kanad\u011b, stejn\u011b tak se nad na\u0161e \u00fazem\u00ed m\u016f\u017ee dostat vulkanick\u00fd prach p\u0159i velk\u00e9m v\u00fdbuchu sopky v\u00a0bli\u017e\u0161\u00edm \u010di vzd\u00e1len\u011bj\u0161\u00edm okol\u00ed.<\/p><p>Aby se \u010d\u00e1stice p\u00edse\u010dn\u00e9ho prachu dostaly a\u017e do \u010cesk\u00e9 republiky,\u00a0<strong>jsou pot\u0159eba ur\u010dit\u00e9 podm\u00ednky v\u00a0atmosf\u00e9\u0159e pro tento transport<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-51bdaa1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"51bdaa1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-22dd084\" data-id=\"22dd084\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68ddf40 elementor-widget elementor-widget-heading\" data-id=\"68ddf40\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jak\u00e9 jsou dopady v\u00fdskytu saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f0146f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f0146f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-25b4b2a\" data-id=\"25b4b2a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c35a34a elementor-widget elementor-widget-text-editor\" data-id=\"c35a34a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u010c\u00e1stice v\u00a0atmosf\u00e9\u0159e pohlcuj\u00ed a\u00a0odr\u00e1\u017e\u00ed slune\u010dn\u00ed sv\u011btlo, \u010d\u00edm\u017e sni\u017euj\u00ed mno\u017estv\u00ed slune\u010dn\u00edho z\u00e1\u0159en\u00ed, kter\u00e9 dopad\u00e1 na povrch. V\u00a0praxi m\u016f\u017eeme tento fakt pozorovat jako\u00a0<strong>z\u00e1kal na obloze<\/strong>, velmi dob\u0159e mohou tento jev vid\u011bt nap\u0159\u00edklad majitel\u00e9\u00a0<strong>fotovoltaick\u00fdch elektr\u00e1ren, kter\u00e9 v\u00a0takov\u00e9m p\u0159\u00edpad\u011b vyrob\u00ed m\u00e9n\u011b energie<\/strong>. Z\u00e1kal je patrn\u00fd zejm\u00e9na proti bezobla\u010dn\u00e9 obloze.<\/p><p>Vy\u0161\u0161\u00ed koncentrace p\u00edse\u010dn\u00e9ho prachu v\u00a0atmosf\u00e9\u0159e\u00a0<strong>ovliv\u0148uj\u00ed tak\u00e9 teplotu vzduchu<\/strong>. Vliv je podobn\u00fd jako p\u0159i obla\u010dnosti &#8211; zat\u00edmco p\u0159es den jsou hodnoty denn\u00edch maxim\u00e1ln\u00edch teplot ni\u017e\u0161\u00ed, v\u00a0noci se naopak tolik neochlazuje, tak\u017ee z\u016fst\u00e1vaj\u00ed minima vy\u0161\u0161\u00ed.<\/p><p>V\u00a0praxi m\u016f\u017eeme vliv saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu v\u00a0atmosf\u00e9\u0159e pozorovat i\u00a0p\u0159i\u00a0<strong>z\u00e1padu a\u00a0v\u00fdchodu Slunce v\u00a0podob\u011b mimo\u0159\u00e1dn\u011b syt\u00fdch barev oblohy<\/strong>. Vy\u0161\u0161\u00ed mno\u017estv\u00ed \u010d\u00e1stic v\u00a0atmosf\u00e9\u0159e ovliv\u0148uje rozptyl sv\u011btla v\u00a0n\u00ed, co\u017e se pr\u00e1v\u011b b\u011bhem z\u00e1padu a\u00a0v\u00fdchodu Slunce, kdy sv\u011btlo slune\u010dn\u00edch paprsk\u016f n\u00edzko nad obzorem pronik\u00e1 nejdel\u0161\u00ed dr\u00e1hu zemskou atmosf\u00e9rou, projevuje v\u00fdrazn\u011bj\u0161\u00edmi \u010derven\u00fdmi a\u00a0oran\u017eov\u00fdmi barvami.<\/p><p>Pokud se \u010d\u00e1stice p\u00edse\u010dn\u00e9ho prachu pohybuj\u00ed n\u00edzko nad zem\u00ed, v\u00a0tzv. p\u0159\u00edzemn\u00ed vrstv\u011b,\u00a0<strong>mohou m\u00e9n\u011b \u010di v\u00fdrazn\u011b v\u00edce ovlivnit i\u00a0zne\u010di\u0161t\u011bn\u00ed ovzdu\u0161\u00ed, konkr\u00e9tn\u011b koncentrace tzv. suspendovan\u00fdch (prachov\u00fdch) \u010d\u00e1stic<\/strong>. Zvy\u0161uj\u00ed se zejm\u00e9na koncentrace tzv.\u00a0<strong>PM<sub>10<\/sub><\/strong>\u00a0frakce \u2013 \u010d\u00e1stic o\u00a0velikosti do 10 \u00b5m.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-80c620b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"80c620b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-721a378\" data-id=\"721a378\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e17599 elementor-widget elementor-widget-image\" data-id=\"2e17599\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-scaled.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"sahara4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Njc5NCwidXJsIjoiaHR0cHM6XC9cL3d3dy5lbnZpYmxvZy5jelwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL3NhaGFyYTQtc2NhbGVkLmpwZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"228\" src=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-768x228.jpg\" class=\"attachment-medium_large size-medium_large wp-image-6794\" alt=\"\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-768x228.jpg 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-300x89.jpg 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-1024x305.jpg 1024w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-1536x457.jpg 1536w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara4-2048x609.jpg 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Srovn\u00e1n\u00ed filtr\u016f z jihomoravsk\u00fdch Lov\u010dic b\u011bhem 3denn\u00ed epizody intenzivn\u00edho p\u0159echodu saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu p\u0159es na\u0161e \u00fazem\u00ed a den p\u0159ed a den po. Vizu\u00e1ln\u011b je na prvn\u00ed pohled patrn\u00fd rozd\u00edl. Foto: J\u00e1chym Brzezina<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fbfc6a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fbfc6a4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c0c6cbf\" data-id=\"c0c6cbf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-02f49c8 elementor-widget elementor-widget-heading\" data-id=\"02f49c8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jak\u00e9 jsou zdravotn\u00ed dopady vdechov\u00e1n\u00ed \u010d\u00e1stic ze Sahary?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-95a2cfb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"95a2cfb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8c3d003\" data-id=\"8c3d003\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9d46d36 elementor-widget elementor-widget-text-editor\" data-id=\"9d46d36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Vdechov\u00e1n\u00ed \u010d\u00e1stic men\u0161\u00edch ne\u017e 10 \u00b5m je obecn\u011b pova\u017eov\u00e1no Sv\u011btovou zdravotnickou organizac\u00ed za\u00a0<strong>ne\u017e\u00e1douc\u00ed<\/strong>. Takto mal\u00e9 \u010d\u00e1stice jsou obsa\u017een\u00e9 i\u00a0v p\u00edse\u010dn\u00e9m prachu, co\u017e jasn\u011b ukazuj\u00ed n\u00e1r\u016fsty koncentrac\u00ed \u010d\u00e1stic PM<sub>10<\/sub>\u00a0b\u011bhem n\u011bkter\u00fdch epizod p\u0159echodu p\u00edse\u010dn\u00e9ho prachu z\u00a0pou\u0161t\u011b p\u0159es na\u0161e \u00fazem\u00ed. Studie odhaduj\u00ed, \u017ee p\u0159ibli\u017en\u011b 50\u00a0% \u010d\u00e1stic p\u00edse\u010dn\u00e9ho prachu je men\u0161\u00ed ne\u017e tato prahov\u00e1 hodnota.<\/p><p><strong>Byl nap\u0159\u00edklad pozorov\u00e1n vy\u0161\u0161\u00ed po\u010det hospitalizac\u00ed souvisej\u00edc\u00edch s\u00a0astmatem, chronickou obstruk\u010dn\u00ed nemoc\u00ed plicn\u00ed nebo infekcemi d\u00fdchac\u00ed soustavy.<\/strong><\/p><p>Konkr\u00e9tn\u011b m\u016f\u017ee vdechov\u00e1n\u00ed vy\u0161\u0161\u00edch koncentrac\u00ed \u010d\u00e1stic PM<sub>10<\/sub>\u00a0z\u00a0p\u00edse\u010dn\u00e9ho prachu zp\u016fsobovat pot\u00ed\u017ee s\u00a0d\u00fdchac\u00ed a\/nebo kardiovaskul\u00e1rn\u00ed soustavou. Astmatik\u016fm se m\u016f\u017ee p\u0159it\u00ed\u017eit, v\u00a0p\u0159\u00edpad\u011b velmi vysok\u00fdch koncentrac\u00ed mohou \u010d\u00e1stice v\u00fdrazn\u011bji\u00a0<strong>dr\u00e1\u017edit<\/strong>\u00a0(k\u016f\u017ei, o\u010di, v\u00a0krku) a\u00a0zp\u016fsobovat obt\u00ed\u017en\u011bj\u0161\u00ed d\u00fdch\u00e1n\u00ed i\u00a0zcela zdrav\u00fdm jedinc\u016fm. Saharsk\u00fd p\u00edse\u010dn\u00fd prach se na na\u0161em \u00fazem\u00ed vyskytuje zejm\u00e9na p\u0159i ji\u017en\u00edm proud\u011bn\u00ed, co\u017e s\u00a0sebou \u010dasto p\u0159in\u00e1\u0161\u00ed i\u00a0vy\u0161\u0161\u00ed teploty, p\u0159i\u010dem\u017e vysok\u00e9 teploty mohou samy o\u00a0sob\u011b zvy\u0161ovat z\u00e1t\u011b\u017e pro lidsk\u00e9 t\u011blo. B\u011bhem epizod p\u0159echodu \u010d\u00e1stic ze Sahary tedy na t\u011blo p\u016fsob\u00ed nar\u00e1z\u00a0<strong>oba stresory &#8211; jak vysok\u00e1 teplota, tak vysok\u00e9 koncentrace \u010d\u00e1stic v\u00a0ovzdu\u0161\u00ed<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9df5f9f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9df5f9f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e56d78f\" data-id=\"e56d78f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1bfb0bd elementor-widget elementor-widget-heading\" data-id=\"1bfb0bd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jak \u010dasto se p\u00edse\u010dn\u00fd prach ze Sahary dost\u00e1v\u00e1 nad na\u0161e \u00fazem\u00ed?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8dcf782 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8dcf782\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f97dc0d\" data-id=\"f97dc0d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b9554e elementor-widget elementor-widget-text-editor\" data-id=\"4b9554e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Obecn\u011b lze \u0159\u00edci, \u017ee se nad na\u0161\u00edm \u00fazem\u00edm objev\u00ed p\u00edse\u010dn\u00fd prach ze Sahary v pr\u016fm\u011bru\u00a0<strong>n\u011bkolikr\u00e1t do roka<\/strong>. Nej\u010dast\u011bji to v\u00a0Evrop\u011b b\u00fdv\u00e1\u00a0<strong>od \u00fanora do \u010dervna<\/strong>. V\u011bdeck\u00e9 studie ukazuj\u00ed, \u017ee minim\u00e1ln\u011b v\u00a0n\u011bkolika p\u0159edchoz\u00edch letech byly vp\u00e1dy saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu do Evropy\u00a0<strong>v\u00fdrazn\u011b \u010dast\u011bj\u0161\u00ed<\/strong>, ne\u017e tomu bylo v minulosti, a to zejm\u00e9na v chladnou \u010d\u00e1st roku.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ade806 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ade806\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-504e68c\" data-id=\"504e68c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f46e042 elementor-widget elementor-widget-heading\" data-id=\"f46e042\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Jak m\u016f\u017eeme pohyb \u010d\u00e1stic p\u00edse\u010dn\u00e9ho prachu sledovat a m\u011b\u0159it?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-919987f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"919987f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-762963c\" data-id=\"762963c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e936202 elementor-widget elementor-widget-heading\" data-id=\"e936202\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edm\u00e9 pozorov\u00e1n\u00ed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-442f345 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"442f345\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c4e7e6d\" data-id=\"c4e7e6d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a8cdb00 elementor-widget elementor-widget-text-editor\" data-id=\"a8cdb00\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>V\u00a0p\u0159\u00edpad\u011b, \u017ee se p\u00edse\u010dn\u00fd prach vyskytuje v\u00a0atmosf\u00e9\u0159e nad v\u00e1mi, b\u00fdv\u00e1 patrn\u00fd jako z\u00e1kal na obloze. Pokud jsou koncentrace t\u011bchto \u010d\u00e1stic v\u00a0p\u0159\u00edzemn\u00ed vrstv\u011b vysok\u00e9, m\u016f\u017ee b\u00fdt v\u00fdrazn\u011bj\u0161\u00ed i\u00a0zne\u010di\u0161t\u011bn\u00ed dan\u00e9\u00a0<strong>suchou depozic\u00ed<\/strong>, tedy usazov\u00e1n\u00edm t\u011bchto \u010d\u00e1stic na r\u016fzn\u00fdch povr\u0161\u00edch \u2013 parapetech, automobilech apod.<\/p><p>Obzvl\u00e1\u0161t\u011b patrn\u00fd pak b\u00fdv\u00e1 p\u0159echod p\u00edse\u010dn\u00e9ho prachu v\u00a0p\u0159\u00edpadech, kdy b\u011bhem tohoto p\u0159echodu zapr\u0161\u00ed a\u00a0\u010d\u00e1stice se\u00a0<strong>mokrou depozic\u00ed<\/strong> (smyt\u00edm) dostanou na povrchy na zemi. Mokr\u00e1 depozice je toti\u017e procesem v\u00fdrazn\u011b intenzivn\u011bj\u0161\u00edm ne\u017e such\u00e1, tedy i\u00a0zne\u010di\u0161t\u011bn\u00ed je patrn\u011bj\u0161\u00ed. Sn\u00edh se barv\u00ed do b\u00e9\u017eova, povrchy, nap\u0159\u00edklad parapety nebo automobily, mohou b\u00fdt zne\u010di\u0161t\u011bn\u00e9 \u010d\u00e1sticemi p\u00edse\u010dn\u00e9ho prachu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-95e7bf6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"95e7bf6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9856d94\" data-id=\"9856d94\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a85511 elementor-widget elementor-widget-heading\" data-id=\"7a85511\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ceilometry<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a6f9d37 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a6f9d37\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d1a37e1\" data-id=\"d1a37e1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8bca107 elementor-widget elementor-widget-text-editor\" data-id=\"8bca107\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Za\u0159\u00edzen\u00ed ozna\u010dovan\u00e9 jako\u00a0<strong>ceilometr je p\u0159\u00edstroj, kter\u00fd do atmosf\u00e9ry vys\u00edl\u00e1 laserov\u00fd paprsek a\u00a0dok\u00e1\u017ee zjistit v\u00fd\u0161ku z\u00e1kladny oblak\u016f, vertik\u00e1ln\u00ed dohlednost i\u00a0koncentraci aerosolov\u00fdch \u010d\u00e1stic ve vertik\u00e1ln\u00edm sm\u011bru do v\u00fd\u0161ky 7 a\u017e 12 kilometr\u016f nad zem\u00ed<\/strong>. V\u00fdstupy ceilometr\u016f dok\u00e1\u017e\u00ed velmi dob\u0159e zobrazit p\u0159echod \u010d\u00e1stic v\u00a0atmosf\u00e9\u0159e a\u00a0zobraz\u00ed tak\u00e9 v\u00fd\u0161ku, v\u00a0jak\u00e9 se \u010d\u00e1stice nad zem\u00ed pohybuj\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-01e16c9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"01e16c9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4f5b2d8\" data-id=\"4f5b2d8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-09feeb5 elementor-widget elementor-widget-heading\" data-id=\"09feeb5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dru\u017eicov\u00e9 sn\u00edmky<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a237ba elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a237ba\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-01c97e0\" data-id=\"01c97e0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d9e29b5 elementor-widget elementor-widget-text-editor\" data-id=\"d9e29b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>V\u00a0sou\u010dasnosti existuje relativn\u011b vysok\u00fd po\u010det r\u016fzn\u00fdch dru\u017eic, kter\u00e9 nav\u00edc nab\u00edz\u00ed v\u00edce r\u016fzn\u00fdch produkt\u016f pro konkr\u00e9tn\u00ed \u00fa\u010dely. Jedn\u00edm ze z\u00e1kladn\u00edch produkt\u016f je zobrazen\u00ed\u00a0<strong>sn\u00edmk\u016f v\u00a0re\u00e1ln\u00fdch barv\u00e1ch<\/strong>, tedy tak, jak je povrch Zem\u011b pozorovateln\u00fd z\u00a0v\u00fd\u0161ky.\u00a0<strong>Nejv\u011bt\u0161\u00edm probl\u00e9mem tohoto sn\u00edm\u00e1n\u00ed je obla\u010dnost<\/strong>, kter\u00e1 m\u016f\u017ee zakr\u00fdvat zna\u010dnou \u010d\u00e1st sn\u00edman\u00e9 plochy. V\u00a0p\u0159\u00edpad\u011b transportu velk\u00e9ho mno\u017estv\u00ed saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu m\u016f\u017eeme tento transport dob\u0159e vid\u011bt na t\u011bchto sn\u00edmc\u00edch. D\u00e1le existuj\u00ed nap\u0159\u00edklad\u00a0<strong>dru\u017eice specializuj\u00edc\u00ed se na monitoring \u00farovn\u011b zne\u010di\u0161t\u011bn\u00ed<\/strong>. Zde pro zm\u011bnu m\u016f\u017eeme v p\u0159\u00edpad\u011b p\u0159esunu saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu vid\u011bt zv\u00fd\u0161en\u00e9 koncentrace \u010d\u00e1stic (aerosol\u016f) v atmosf\u00e9\u0159e v lokalit\u011b p\u0159echodu.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b247688 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b247688\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e22b6e\" data-id=\"1e22b6e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21ee61c elementor-widget elementor-widget-image\" data-id=\"21ee61c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"Sahara3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Njc5MywidXJsIjoiaHR0cHM6XC9cL3d3dy5lbnZpYmxvZy5jelwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL1NhaGFyYTMuanBnIn0%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"432\" src=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3-768x432.jpg\" class=\"attachment-medium_large size-medium_large wp-image-6793\" alt=\"\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3-768x432.jpg 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3-300x169.jpg 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3-800x450.jpg 800w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/Sahara3.jpg 940w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Sn\u00edmek z americk\u00e9 dru\u017eice NASA ukazuje p\u0159enos saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu z Afriky sm\u011brem na z\u00e1pad p\u0159es Atlantick\u00fd oce\u00e1n 18. \u010dervna 2020. Zdroj: NASA Worldview<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-12e729b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12e729b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f4856c7\" data-id=\"f4856c7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-78be2f4 elementor-widget elementor-widget-heading\" data-id=\"78be2f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Stanice imisn\u00edho monitoringu<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb27041 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb27041\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4f84db9\" data-id=\"4f84db9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-858ce1b elementor-widget elementor-widget-text-editor\" data-id=\"858ce1b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Pokud se \u010d\u00e1stice saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu pohybuj\u00ed v\u00a0p\u0159\u00edzemn\u00ed vrstv\u011b, m\u016f\u017ee doj\u00edt i\u00a0k velmi v\u00fdrazn\u00e9mu zv\u00fd\u0161en\u00ed koncentrac\u00ed suspendovan\u00fdch \u010d\u00e1stic v\u00a0ovzdu\u0161\u00ed, zejm\u00e9na pak \u010d\u00e1stic frakce PM<sub>10<\/sub>. Tato zv\u00fd\u0161en\u00e1 \u00farove\u0148 zne\u010di\u0161t\u011bn\u00ed ovzdu\u0161\u00ed je v\u00a0takov\u00e9m p\u0159\u00edpad\u011b\u00a0<strong>zaznamen\u00e1na pozemn\u00edmi stanicemi imisn\u00edho monitoringu<\/strong>, kter\u00e9 koncentrace \u010d\u00e1stic PM<sub>10<\/sub> m\u011b\u0159\u00ed &#8211; v\u00a0p\u0159\u00edpad\u011b automatizovan\u00fdch stanic v\u00a0hodinov\u00e9m intervalu, v\u00a0p\u0159\u00edpad\u011b manu\u00e1ln\u00edch vzorkova\u010d\u016f jsou prov\u00e1d\u011bny 24h odb\u011bry na filtry, na kter\u00fdch je saharsk\u00fd p\u00edse\u010dn\u00fd prach jasn\u011b patrn\u00fd v\u00a0podob\u011b b\u00e9\u017eov\u00e9 barvy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9380855 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9380855\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5743fe1\" data-id=\"5743fe1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fecc159 elementor-widget elementor-widget-image\" data-id=\"fecc159\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara.gif\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"sahara\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Njc5MCwidXJsIjoiaHR0cHM6XC9cL3d3dy5lbnZpYmxvZy5jelwvYmxvZ1wvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyNVwvMDFcL3NhaGFyYS5naWYifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"489\" src=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara-768x489.gif\" class=\"attachment-medium_large size-medium_large wp-image-6790\" alt=\"\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara-768x489.gif 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/sahara-300x191.gif 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Animace pr\u016fb\u011bhu koncentrac\u00ed \u010d\u00e1stic PM10 v \u010cesk\u00e9 republice p\u0159i mimo\u0159\u00e1dn\u011b intenzivn\u00ed epizod\u011b p\u0159echodu \u010d\u00e1stic saharsk\u00e9ho p\u00edse\u010dn\u00e9ho prachu na p\u0159elomu b\u0159ezna a dubna 2024. Data: \u010cHM\u00da<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5fceaee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5fceaee\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-48364b2\" data-id=\"48364b2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-412cb28 elementor-widget elementor-widget-heading\" data-id=\"412cb28\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Je mo\u017en\u00e9 p\u0159edpov\u00eddat pohyb p\u00edse\u010dn\u00e9ho prachu v atmosf\u00e9\u0159e?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8626aaa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8626aaa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-41fc850\" data-id=\"41fc850\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f564b1 elementor-widget elementor-widget-text-editor\" data-id=\"3f564b1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>P\u0159edpov\u00eddat p\u0159enos \u010d\u00e1stic p\u00edse\u010dn\u00e9ho prachu\u00a0<strong>do ur\u010dit\u00e9 m\u00edry lze<\/strong>, a\u00a0to nap\u0159\u00edklad na z\u00e1klad\u011b p\u0159edpov\u011bdi synoptick\u00e9 situace, rychlosti a\u00a0sm\u011bru proud\u011bn\u00ed a\u00a0dal\u0161\u00edch parametr\u016f. Vyu\u017e\u00edt lze nap\u0159\u00edklad\u00a0<strong>obecn\u00e9 p\u0159edpov\u011bdn\u00ed modely kvality ovzdu\u0161\u00ed nebo specializovan\u00e9 modely<\/strong>, kter\u00e9 se zam\u011b\u0159uj\u00ed pr\u00e1v\u011b na p\u0159enos p\u00edse\u010dn\u00e9ho prachu ze Sahary a\u00a0odhaduj\u00ed jak o\u010dek\u00e1van\u00e9 mno\u017estv\u00ed \u010d\u00e1stic v\u00a0p\u0159\u00edzemn\u00ed vrstv\u011b, tak celkov\u00e9 mno\u017estv\u00ed t\u011bchto \u010d\u00e1stic v\u00a0atmosf\u00e9\u0159e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-212d7d1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"212d7d1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0e81ecd\" data-id=\"0e81ecd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a0214b elementor-alert-info elementor-widget elementor-widget-alert\" data-id=\"4a0214b\" data-element_type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Detailn\u00ed info<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">Podrobn\u011bj\u0161\u00ed text dopln\u011bn\u00fd o obr\u00e1zky i interaktivn\u00ed grafiky najdete na <a href=\"https:\/\/www.infoviz.cz\/projects\/dust\/\">https:\/\/www.infoviz.cz\/projects\/dust\/<\/a>.<\/span>\n\t\t\t\n\t\t\t\t\t\t<button type=\"button\" class=\"elementor-alert-dismiss\" aria-label=\"Zav\u0159\u00edt toto upozorn\u011bn\u00ed.\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-lightbulb\"><\/i>\t\t\t<\/button>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>P\u00edse\u010dn\u00fd prach ze Sahary (ale i jin\u00fdch pou\u0161t\u00ed) se m\u016f\u017ee \u0161\u00ed\u0159it na velmi velk\u00e9 vzd\u00e1lenosti. Na p\u0159elomu b\u0159ezna a dubna 2024 jsme to poc\u00edtili i v \u010cesk\u00e9 republice, kdy mj. do\u0161lo k velmi v\u00fdrazn\u00e9mu zhor\u0161en\u00ed kvality ovzdu\u0161\u00ed, kter\u00e9 vedlo a\u017e k vyhl\u00e1\u0161en\u00ed smogov\u00e9 situace na v\u011bt\u0161in\u011b na\u0161eho \u00fazem\u00ed. Co saharsk\u00fd p\u00edsek obsahuje? Jak\u00fd m\u00e1 vliv [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6798,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[5,3],"tags":[227],"coauthors":[19],"class_list":["post-6785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ovzdusi","category-pocasi","tag-sahara","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2025\/01\/saharafiltr-scaled.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-1Lr","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/6785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/comments?post=6785"}],"version-history":[{"count":10,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/6785\/revisions"}],"predecessor-version":[{"id":6802,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/6785\/revisions\/6802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/6798"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=6785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=6785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=6785"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=6785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}