{"id":16472,"date":"2026-01-21T15:03:57","date_gmt":"2026-01-21T15:03:57","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16472"},"modified":"2026-01-21T15:03:57","modified_gmt":"2026-01-21T15:03:57","slug":"landsat-mission-40-years-earth-observation","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/earth-science\/landsat-mission-40-years-earth-observation\/","title":{"rendered":"40 let Landsatu: NASA odhaluje prom\u011bny Zem\u011b z vesm\u00edru"},"content":{"rendered":"<h2 class=\"wp-block-heading\">NASA Landsat: 40 let pozorov\u00e1n\u00ed Zem\u011b<\/h2>\n\n<h2 class=\"wp-block-heading\">Nep\u0159etr\u017eit\u00fd z\u00e1znam prom\u011bn zemsk\u00e9ho povrchu<\/h2>\n\n<p>NASA Landsat poskytuje nejdel\u0161\u00ed souvisl\u00fd z\u00e1znam zm\u011bn zemsk\u00e9ho povrchu, jak\u00fd byl kdy z vesm\u00edru z\u00edsk\u00e1n. Od roku 1972 dru\u017eice Landsat sn\u00edmkuj\u00ed na\u0161i planetu a odhaluj\u00ed dopady lidsk\u00fdch aktivit i p\u0159\u00edrodn\u00edch katastrof na \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n\n<p>Nejnov\u011bj\u0161\u00ed dru\u017eice \u0159ady, Landsat 8, byla vypu\u0161t\u011bna v roce 2013 a pokra\u010duje v misi sledov\u00e1n\u00ed prom\u011bn zemsk\u00e9ho povrchu. Nese senzory s je\u0161t\u011b vy\u0161\u0161\u00ed p\u0159esnost\u00ed ne\u017e jej\u00ed p\u0159edch\u016fdci, tak\u017ee umo\u017e\u0148uje detailn\u011bj\u0161\u00ed a p\u0159esn\u011bj\u0161\u00ed monitorov\u00e1n\u00ed environment\u00e1ln\u00edch zm\u011bn.<\/p>\n\n<h2 class=\"wp-block-heading\">Landsat 8: Landsat Data Continuity Mission<\/h2>\n\n<p>Landsat 8, zn\u00e1m\u00fd t\u00e9\u017e jako Landsat Data Continuity Mission, je velk\u00e1 vesm\u00edrn\u00e1 lo\u010f ob\u00edhaj\u00edc\u00ed Zemi ve v\u00fd\u0161ce asi 700 km. Je vybavena senzory, kter\u00e9 zachycuj\u00ed okam\u017eit\u00e9 sn\u00edmky 185 km \u0161irok\u00e9ho p\u00e1su Zem\u011b, p\u0159i\u010dem\u017e vyu\u017e\u00edv\u00e1 7 000 senzor\u016f na ka\u017ed\u00fd p\u00e1smov\u00fd rozsah.<\/p>\n\n<p>Landsat 8 nahradila st\u00e1rnouc\u00ed dru\u017eice Landsat 5 a Landsat 7, je\u017e des\u00edtky let poskytovaly cenn\u00e1 data, ale bl\u00ed\u017eily se konci sv\u00e9 provozn\u00ed \u017eivotnosti. Landsat 5 slou\u017eila t\u00e9m\u011b\u0159 t\u0159i desetilet\u00ed \u2013 v\u00fdrazn\u011b p\u0159ekro\u010dila p\u016fvodn\u011b pl\u00e1novanou \u017eivotnost t\u0159\u00ed let.<\/p>\n\n<h2 class=\"wp-block-heading\">Sledov\u00e1n\u00ed zm\u011bn zemsk\u00e9ho povrchu<\/h2>\n\n<p>Mise Landsat hraje kl\u00ed\u010dovou roli p\u0159i sledov\u00e1n\u00ed zm\u011bn zemsk\u00e9ho povrchu, v\u010detn\u011b:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Vodn\u00ed a lesn\u00ed pokr\u00fdvky<\/li>\n<li>Urbanizace<\/li>\n<li>Odles\u0148ov\u00e1n\u00ed<\/li>\n<li>P\u0159\u00edrodn\u00edch katastrof (nap\u0159. zem\u011bt\u0159esen\u00ed, hurik\u00e1ny)<\/li>\n<li>Dopad\u016f klimatick\u00e9 zm\u011bny (nap\u0159. t\u00e1n\u00ed ledovc\u016f, zvy\u0161ov\u00e1n\u00ed hladiny mo\u0159\u00ed)<\/li>\n<\/ul>\n\n<p>Data Landsat vyu\u017e\u00edvaj\u00ed v\u011bdci, tv\u016frci politik i mana\u017ee\u0159i krajiny k pochopen\u00ed a \u0159e\u0161en\u00ed environment\u00e1ln\u00edch probl\u00e9m\u016f jako jsou klimatick\u00e1 zm\u011bna, nedostatek vody \u010di odles\u0148ov\u00e1n\u00ed.<\/p>\n\n<h2 class=\"wp-block-heading\">Mezera v z\u00e1znamu Landsat<\/h2>\n\n<p>Mezera v datov\u00e9m z\u00e1znamu Landsat by byla pro environment\u00e1ln\u00ed monitorov\u00e1n\u00ed katastrof\u00e1ln\u00ed. V roce 1993 se dru\u017eici Landsat 6 nepoda\u0159ilo dostat na ob\u011b\u017enou dr\u00e1hu a v archivu tak vznikla d\u00edra. Podobn\u00e1 mezera by mohla nastat, kdyby Landsat 8 selhal, nebo kdyby nebyla v\u010das vypu\u0161t\u011bna n\u00e1hradn\u00ed dru\u017eice zaji\u0161\u0165uj\u00edc\u00ed kontinuitu.<\/p>\n\n<h2 class=\"wp-block-heading\">Landsat: um\u011bn\u00ed a v\u011bda<\/h2>\n\n<p>Krom\u011b v\u011bdeck\u00e9 hodnoty zachv\u00e1tili sn\u00edmky Landsat i ve\u0159ejnou p\u0159edstavivost. Po\u0161tovn\u00ed slu\u017eba USA vydala s\u00e9rii zn\u00e1mek zalo\u017een\u00fdch na n\u011bkter\u00fdch ohromuj\u00edc\u00edch sn\u00edmc\u00edch dru\u017eice. Obrazy Landsat se pou\u017e\u00edvaj\u00ed tak\u00e9 v um\u011bn\u00ed, vzd\u011bl\u00e1v\u00e1n\u00ed a osv\u011bt\u011b k zvy\u0161ov\u00e1n\u00ed pov\u011bdom\u00ed o environment\u00e1ln\u00edch ot\u00e1zk\u00e1ch.<\/p>\n\n<h2 class=\"wp-block-heading\">Vypu\u0161t\u011bn\u00ed Landsat 8 a \u017eiv\u00fd p\u0159enos<\/h2>\n\n<p>Landsat 8 byl vypu\u0161t\u011bn z Vandenbergovy leteck\u00e9 z\u00e1kladny v Kalifornii 11. \u00fanora 2013 v 10:00 PST (13:00 EST). Mis\u00ed Landsat m\u016f\u017eete sledovat na Twitteru nebo se pod\u00edvat na z\u00e1znam startu na webu NASA.<\/p>\n\n<h2 class=\"wp-block-heading\">D\u011bdictv\u00ed Landsat<\/h2>\n\n<p>Mise Landsat p\u0159evratn\u011b zm\u011bnila na\u0161e ch\u00e1p\u00e1n\u00ed zemsk\u00e9ho povrchu a prom\u011bn, jimi\u017e proch\u00e1z\u00ed. Data Landsat slou\u017eila k monitorov\u00e1n\u00ed odles\u0148ov\u00e1n\u00ed v amazonsk\u00e9m de\u0161tn\u00e9m pralese, \u00fastupu ledovc\u016f v Antarktid\u011b i r\u016fstu m\u011bst po cel\u00e9m sv\u011bt\u011b.<\/p>\n\n<p>Jak Landsat 8 pokra\u010duje ve sv\u00e9 misi, poskytne je\u0161t\u011b cenn\u011bj\u0161\u00ed data v\u011bdc\u016fm a tv\u016frc\u016fm politik, aby spole\u010dn\u011b \u010delili environment\u00e1ln\u00edm v\u00fdzv\u00e1m 21. stolet\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>NASA Landsat: 40 let pozorov\u00e1n\u00ed Zem\u011b Nep\u0159etr\u017eit\u00fd z\u00e1znam prom\u011bn zemsk\u00e9ho povrchu NASA Landsat poskytuje nejdel\u0161\u00ed souvisl\u00fd z\u00e1znam zm\u011bn zemsk\u00e9ho povrchu, jak\u00fd byl kdy z vesm\u00edru z\u00edsk\u00e1n. Od roku 1972 dru\u017eice&hellip;<\/p>\n","protected":false},"author":2,"featured_media":25235,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[1557,21805,21804,890,876,8012,1945,99,2046,282,34],"class_list":["post-16472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-science","tag-remote-sensing","tag-land-use-change","tag-landsat","tag-environmental-monitoring","tag-deforestation","tag-earth-observation","tag-natural-disasters","tag-lifescienceart","tag-urbanization","tag-water-resources","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=16472"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16472\/revisions"}],"predecessor-version":[{"id":25236,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16472\/revisions\/25236"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/25235"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=16472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=16472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=16472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}