Talianska <\/a>nenach\u00e1dzaj\u00fa \u017eiadne v\u00fdrony plynov ani farebn\u00e9 term\u00e1lne hor\u00face pramene, ktor\u00e9 by prezr\u00e1dzali pr\u00edtomnos\u0165.<\/p>\n![\"sopka](\"data:image\/svg+xml,%3Csvg%20xmlns=\")
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zdroj: Pexels
\nAko sa vedcom podarilo n\u00e1js\u0165 magmu?<\/p>\n
Rezervo\u00e1r identifikoval t\u00edm z \u017denevskej univerzity, talianskeho In\u0161tit\u00fatu geovied a zemsk\u00fdch zdrojov a talianskeho N\u00e1rodn\u00e9ho in\u0161tit\u00fatu geofyziky a vulkanol\u00f3gie pomocou techniky naz\u00fdvanej tomografia ambientn\u00e9ho \u0161umu.<\/p>\n
Met\u00f3da je zalo\u017een\u00e1 na zaznamen\u00e1van\u00ed prirodzen\u00fdch vibr\u00e1ci\u00ed, ktor\u00e9 neust\u00e1le prech\u00e1dzaj\u00fa zemou. Vznikaj\u00fa v d\u00f4sledku oce\u00e1nskych v\u013an, vetra aj \u013eudskej \u010dinnosti a zachyt\u00e1va ich sie\u0165 pribli\u017ene 60 vysoko citliv\u00fdch seizmick\u00fdch senzorov rozmiestnen\u00fdch po celom regi\u00f3ne.<\/p>\n
Ak sa tieto vibr\u00e1cie \u0161\u00edria cez ur\u010dit\u00fa z\u00f3nu nezvy\u010dajne pomaly, signalizuje to pr\u00edtomnos\u0165 roztaven\u00e9ho alebo \u010diasto\u010dne roztaven\u00e9ho materi\u00e1lu. Vedci na z\u00e1klade t\u00fdchto d\u00e1t vytvorili trojrozmern\u00fd model zemskej k\u00f4ry do h\u013abky pribli\u017ene 15 kilometrov.<\/p>\n
Geoterm\u00e1lna oblas\u0165 s prekvapiv\u00fdm objemom magmy<\/p>\n
\u201eVedeli sme, \u017ee t\u00e1to oblas\u0165, ktor\u00e1 sa tiahne naprie\u010d Tosk\u00e1nskom zo severu na juh, je geoterm\u00e1lne akt\u00edvna. Netu\u0161ili sme v\u0161ak, \u017ee obsahuje tak\u00e9 ve\u013ek\u00e9 mno\u017estvo magmy, porovnate\u013en\u00e9 so syst\u00e9mami supervulk\u00e1nov, ako je Yellowstone,\u201c uviedol Matteo Lupi, ktor\u00fd v\u00fdskum viedol.<\/p>\n
Oblas\u0165 sa vyzna\u010duje intenz\u00edvnou geoterm\u00e1lnou aktivitou, vysok\u00fdm tepeln\u00fdm tokom a pr\u00edtomnos\u0165ou hor\u00facich fluidov a plynov, ktor\u00e9 prenikaj\u00fa k povrchu.<\/p>\n
\u201eTieto v\u00fdsledky s\u00fa d\u00f4le\u017eit\u00e9 pre z\u00e1kladn\u00fd v\u00fdskum aj pre praktick\u00e9 aplik\u00e1cie, ako je lokaliz\u00e1cia geoterm\u00e1lnych rezervo\u00e1rov alebo lo\u017e\u00edsk bohat\u00fdch na l\u00edtium a prvky vz\u00e1cnych zem\u00edn, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa napr\u00edklad v bat\u00e9ri\u00e1ch pre elektrick\u00e9 vozidl\u00e1,\u201c\u00a0vysvet\u013euje\u00a0Lupi.<\/p>\n
\u201eOkrem ve\u013ek\u00e9ho vedeck\u00e9ho z\u00e1ujmu tieto \u0161t\u00fadie ukazuj\u00fa, \u017ee tomografia, r\u00fdchlym a lacn\u00fdm sk\u00faman\u00edm podlo\u017eia, m\u00f4\u017ee by\u0165 u\u017eito\u010dn\u00fdm n\u00e1strojom pre energetick\u00fa transform\u00e1ciu,\u201c dod\u00e1va.<\/p>\n
Magma sa nach\u00e1dza v h\u013abke pribli\u017ene 8 a\u017e 15 kilometrov pod povrchom. Tvor\u00ed ju jadro preva\u017ene tekutej taveniny, ktor\u00e9 je obklopen\u00e9 rozsiahlej\u0161ou vrstvou \u010diasto\u010dne roztavenej horniny bohatej na kry\u0161t\u00e1ly.<\/p>\n
Potenci\u00e1lne v\u00e4\u010d\u0161ie z\u00e1soby pri hore Amiata<\/p>\n
V\u00fdskum nazna\u010duje, \u017ee oblas\u0165 pod horou Monte Amiata na ju\u017enom okraji sledovan\u00e9ho regi\u00f3nu m\u00f4\u017ee obsahova\u0165 e\u0161te v\u00e4\u010d\u0161ie objemy magmy. Vedci v\u0161ak upozor\u0148uj\u00fa, \u017ee tieto odhady si vy\u017eaduj\u00fa \u010fal\u0161ie overenie.<\/p>\n
Napriek ve\u013ek\u00e9mu rozsahu syst\u00e9mu odborn\u00edci zd\u00f4raz\u0148uj\u00fa, \u017ee nejde o bezprostredn\u00fa sope\u010dn\u00fa hrozbu. Magma v Tosk\u00e1nsku m\u00e1 vysok\u00fa viskozitu (te\u010die pomaly, je hust\u00e1) a vznikla taven\u00edm horn\u00edn v k\u00f4re, nie priamym v\u00fdstupom z pl\u00e1\u0161\u0165a, \u010do v\u00fdrazne zni\u017euje pravdepodobnos\u0165 erupcie.<\/p>\n
Pre\u010do magma pravdepodobne nevybuchne<\/p>\n
Pr\u00e1ve vysok\u00e1 viskozita sp\u00f4sobuje, \u017ee sa magma hromad\u00ed postupne a sk\u00f4r stagnuje, ne\u017e aby r\u00fdchlo st\u00fapala smerom k povrchu. To je z\u00e1sadn\u00fd rozdiel oproti magmatick\u00fdm syst\u00e9mom typick\u00fdm pre klasick\u00e9 supervulk\u00e1ny.<\/p>\n","protected":false},"excerpt":{"rendered":"Vedci objavili rozsiahly rezervo\u00e1r magmy bublaj\u00facej pod povrchom v talianskom Tosk\u00e1nsku, ktor\u00e1 e\u0161te mo\u017eno nevybuchla. Zistenie, publikovan\u00e9 v…\n","protected":false},"author":2,"featured_media":47537,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[19695,19696,33,5887,43,40,42,36,19697,50,537,19698,49,48],"class_list":{"0":"post-47536","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-svet","8":"tag-geologia","9":"tag-magma","10":"tag-news","11":"tag-objav","12":"tag-sk","13":"tag-slovak","14":"tag-slovencina","15":"tag-spravy","16":"tag-supervulkan","17":"tag-svet","18":"tag-taliansko","19":"tag-toskansko","20":"tag-world","21":"tag-world-news"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@sk\/116426035912397171","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/47536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/comments?post=47536"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/47536\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media\/47537"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media?parent=47536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/categories?post=47536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/tags?post=47536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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