An sabunta ta ƙarshe ranar 14 ga Mayu, 2021 ta Roger Kaufman
NASA "Duniya na Canji": Dutsen St. Helens - Bayan Shekaru 30 / Bayan Shekaru 30
Volcano ta cikin idanun tauraron dan adam -
Daidai shekaru 30 da suka gabata, Dutsen St. Helens ya fashe bayan ya nuna alamun rayuwa na farko tare da raunin girgizar ƙasa jim kaɗan da suka gabata.
Magma ta tashi ta buge dutsen a gefensa na arewa.
A ranar 18 ga Mayu, 1980, girgizar kasa mai karfin awo 5,1 ta afku a kan dutsen, wanda ya haddasa zabtarewar kasa.
Matsanancin hawan magma ya ragu ba zato ba tsammani, kuma narkar da iskar gas da tururin ruwa sun tsere a wani babban fashewa.
Kusan magana, wannan yana aiki kamar kwalban shampagne wanda kuke girgiza da ƙarfi kafin buɗewa.
Sauran tarihi ne. Tare da fashewa a ranar 18 ga Mayu, 1980, da tarihin amma har yanzu bai kare ba.
Dutsen mai aman wuta har yanzu yana aiki. Hakan kuma ya nuna Video na USGS, wanda Dave Schumaker ya dace da ɗanɗanonsa ga yanayin dome na lava a cikin ramin.
Wannan ɗan gajeren bidiyon yana nuna mummunan tasirin fashewar ... da kuma sake farfadowa mai ban mamaki na yanayin da ke kewaye - ta idanun Landsat tauraron dan adam.
Landsat tauraron dan adam.
Bidiyo – Dutsen mai aman wuta ta idanun tauraron dan adam
Bidiyo da bayanin ta: http://facebook.com/WissensMagazin / http://facebook.com/ScienceReason
Menene kasa- Tauraron dan adam
Wikipedia yana ba da ma'anar kalmomi masu zuwa
Die kasa-Satellites jerin farar hula ne tauraron dan adam kallon duniya da NASA to nesa nesa saman nahiyar duniya da yankunan bakin teku.
Ana amfani da su galibi don taswirar albarkatun ƙasa da kuma yin rikodin canje-canjen da hanyoyin halitta da ayyukan ɗan adam suka haifar.
Tun daga 1972, an harba tauraron dan adam takwas (ciki har da farawar karya guda ɗaya) na wannan silsila, waɗanda aka kasu zuwa jeri huɗu.
Dandalin ji na nesa yana amfani da na'urori daban-daban don yin rikodin abin da ake kira bayanan ji na nesa.
Shirin Landsat ya samo asali ne tun lokacin da Apollo Moon ya sauka a shekarun 1960, lokacin da aka fara daukar hotunan saman duniya daga sararin samaniya.
A cikin 1965, a lokacin darakta na Cibiyar Nazarin Yanayin Kasa ta Amurka (USGS), William Pecora, ya ba da shawarar shirin tauraron dan adam na nesa. Leben don maido da bayanai game da albarkatun kasa.
A cikin wannan shekarar, NASA ta fara hangen nesa nesa na duniya ta hanyar amfani da kayan aikin da aka sanya a cikin jirgin sama.
A shekarar 1970, daga karshe NASA ta sami izinin kera tauraron dan adam. An ƙaddamar da Landsat 1 shekaru biyu kacal bayan haka kuma ana iya fara fahimtar nesa.
