[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.gartier.sk\/icesat-vesmir-ziska-bezprecedentny-pohlad-na-lad\/#Article","mainEntityOfPage":"https:\/\/www.gartier.sk\/icesat-vesmir-ziska-bezprecedentny-pohlad-na-lad\/","headline":"ICESat: Vesm\u00edr z\u00edska bezprecedentn\u00fd poh\u013ead na \u013ead","name":"ICESat: Vesm\u00edr z\u00edska bezprecedentn\u00fd poh\u013ead na \u013ead","description":"Antarkt\u00edda, Gr\u00f3nsko a \u013ead, ktor\u00e9 pl\u00e1vaj\u00fa na Severnom \u013eadovom oce\u00e1ne, za posledn\u00e9 desa\u0165ro\u010dia stratili objem. ICESat-2 bude sledova\u0165 prebiehaj\u00face zmeny v neb\u00fdval\u00fdch detailoch z jeho v\u00fdhodn\u00e9ho miesta asi 500 km nad plan\u00e9tou. Satelit bol prevzat\u00fd raketou Delta II, lietaj\u00facou z leteckej z\u00e1kladne Vandenberg v Kalifornii. Ako nazna\u010duje n\u00e1zov, ICESat-2 je \u010fal\u0161\u00edm projektom. P\u00f4vodn\u00e1 kozmick\u00e1 lo\u010f letel v roku 2000 a […]","datePublished":"2018-07-21","dateModified":"2018-07-21","author":{"@type":"Person","@id":"https:\/\/www.gartier.sk\/author\/#Person","name":"","url":"https:\/\/www.gartier.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/cfe4dae5aaf43720425415780408681beb9b9a829e9a657295ed1cacce5febc2?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/cfe4dae5aaf43720425415780408681beb9b9a829e9a657295ed1cacce5febc2?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"gartier.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.gartier.sk\/wp-content\/uploads\/img_a291301_w16638_t1537541225.jpg","url":"https:\/\/www.gartier.sk\/wp-content\/uploads\/img_a291301_w16638_t1537541225.jpg","height":0,"width":0},"url":"https:\/\/www.gartier.sk\/icesat-vesmir-ziska-bezprecedentny-pohlad-na-lad\/","wordCount":440,"articleBody":"Antarkt\u00edda, Gr\u00f3nsko a \u013ead, ktor\u00e9 pl\u00e1vaj\u00fa na Severnom \u013eadovom oce\u00e1ne, za posledn\u00e9 desa\u0165ro\u010dia stratili objem. ICESat-2 bude sledova\u0165 prebiehaj\u00face zmeny v neb\u00fdval\u00fdch detailoch z jeho v\u00fdhodn\u00e9ho miesta asi 500 km nad plan\u00e9tou. Satelit bol prevzat\u00fd raketou Delta II, lietaj\u00facou z leteckej z\u00e1kladne Vandenberg v Kalifornii. Ako nazna\u010duje n\u00e1zov, ICESat-2 je \u010fal\u0161\u00edm projektom. P\u00f4vodn\u00e1 kozmick\u00e1 lo\u010f letel v roku 2000 a propagovala laserov\u00e9 meranie v\u00fd\u0161ky pol\u00e1rnych \u013eadovcov a morsk\u00e9ho \u013eadu z vesm\u00edru. Ale misia bola su\u017eovan\u00e1 technick\u00fdmi probl\u00e9mami, ktor\u00e9 obmedzovali svoje pozorovania na p\u00e1r mesiacov v ka\u017edom roku. Spolo\u010dnos\u0165 Nasa odvtedy prerobila technol\u00f3giu tak, aby bola spo\u013eahlivej\u0161ia a d\u00e1vala jej ostrej\u0161\u00ed poh\u013ead. „ICESat-2 bude pozorova\u0165 kryosf\u00e9ru s priestorov\u00fdm rozl\u00ed\u0161en\u00edm na \u00farovni, ktor\u00fa sme nikdy predt\u00fdm nevideli z vesm\u00edru,“ vysvet\u013euje profesorka Helen Fricker z in\u0161tit\u00fatu oce\u00e1nografie Scripps. „L\u00fa\u010d je rozdelen\u00fd na \u0161es\u0165 – tri p\u00e1ry – tak\u017ee m\u00f4\u017eeme zmapova\u0165 viac \u013eadovej plochy, ako aj odhadn\u00fa\u0165 povrchov\u00fd sklon, \u010do m\u00f4\u017ee zameni\u0165 n\u00e1\u0161 v\u00fdklad v\u00fd\u0161kov\u00fdch zmien. „Obeh sa pohybuje na dvoch stup\u0148och p\u00f3lov a rovnak\u00e9 pozemn\u00e9 stopy sa odoberaj\u00fa ka\u017ed\u00e9 tri mesiace a poskytuj\u00fa n\u00e1m sez\u00f3nne sn\u00edmky o v\u00fd\u0161ke \u013eadu.“ Z t\u00fdchto \u00fadajov m\u00f4\u017eeme odhali\u0165 procesy zodpovedn\u00e9 za stratu \u013eadu v pol\u00e1rnych oblastiach, „uviedla povedal BBC News.Pre\u010do je toto poslanie d\u00f4le\u017eit\u00e9? Antarkt\u00edda a Gr\u00f3nsko ka\u017edoro\u010dne str\u00e1caj\u00fa miliardy ton \u013eadu – v\u00fdsledkom je najm\u00e4 to, \u017ee tepl\u00e1 voda dok\u00e1\u017ee roztavi\u0165 \u013eadovce na zemi, kde sp\u013a\u0148aj\u00fa oce\u00e1n. Toto plytvanie pomaly, ale isto zvy\u0161uje hladinu mor\u00ed na celom svete. V arktickej oblasti sa sez\u00f3nne z\u00e1plavy nach\u00e1dzaj\u00fa aj v \u00fastupe. Zd\u00e1 sa, \u017ee morsk\u00fd \u013ead na \u010falekom severe od 80. rokov minul\u00e9ho storo\u010dia stratil dve tretiny svojho objemu. A hoci to nem\u00e1 \u017eiadny priamy vplyv na v\u00fd\u0161ku oce\u00e1nov, zn\u00ed\u017een\u00fd \u013eadov\u00fd kryt pracuje na zosilnen\u00ed n\u00e1rastu teploty v regi\u00f3ne. Ve\u013ek\u00e1 \u010das\u0165 zmien, ku ktor\u00fdm doch\u00e1dza na p\u00f3loch, sa m\u00f4\u017ee prejavi\u0165 pomerne jemn\u00fdmi sp\u00f4sobmi, hovor\u00ed Dr. Tom Neumann, z\u00e1stupca ved\u00faceho projektu projektu NASA-2, a na jeho spr\u00e1vnu charakteriz\u00e1ciu je potrebn\u00fd ve\u013emi presn\u00fd n\u00e1stroj. „Zmena nadmorskej v\u00fd\u0161ky iba o jeden centimeter nad \u013eadov\u00fdm listom znamen\u00e1, \u017ee v\u00e1ha Antarkt\u00eddy predstavuje obrovsk\u00e9 mno\u017estvo vody bu\u010f z\u00edskan\u00e9 alebo straten\u00e9 \u013eadov\u00fdm h\u00e1rkom, za 140 gigaton.“                                                                                                                                                                                                                                                                                                                                                                                        3.5\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"ICESat: Vesm\u00edr z\u00edska bezprecedentn\u00fd poh\u013ead na \u013ead","item":"https:\/\/www.gartier.sk\/icesat-vesmir-ziska-bezprecedentny-pohlad-na-lad\/#breadcrumbitem"}]}]