Mufananidzo - NASA
Sezvo isu tanga tichipindura munguva pfupi yapfuura mu Blog, iyo nyowani iri kusiya iyo Antarctic kondinendi isina chando. Mumazuva maviri apfuura, chii chatodaidzwa kunzi chando chikuru kwazvo munyika: iyo Larsen C.
Kuyera mukati mematani matiririyoni, maziso ese anga ari paari kwenguva yakareba. Uye ndizvo izvo, chii chichaitika izvozvi? Parizvino, Antarctica haichazotarisika zvakafanana; kwete pasina, yarasikirwa neanopfuura 12% yenzvimbo yayo yechando.
Iyo hombe iceberg, kunyangwe yanga yanga ichifamba kwenguva yakati, haizokanganisa zvakananga pamwero wegungwa; Iye zvino masayendisiti ari kunetsekana sezvo vaona kuti Antarctica chando chakavhara hachina kugadzikana zvakanyanya kupfuura kupaza kusati kwatanga, zvichireva kuti mitsva icebergs inogona kuumba munguva ipfupi kana yepakati.
Iko kutyora kwaLarsen C kwaive kwakafundwa kwenguva yakareba, kubvira chikuva cheLarsen A chakadonha muna 1995, uye muna 2002 Larsen B. Mukati megore rino, 2017, kubva munaNdira kusvika Chikumi kureba kweLarsen C kutsemuka kwakawedzera kupfuura 200km. Yakabatanidzwa kukondinendi nehafu yechina yehafu yechando, kusvika pakupedzisira, pakati paJuly 4,5 ne10, yakatsemuka zvachose.
Mufananidzo - Businessinsider.com
Hazvizivikanwe kuti chii chichaitika kubva zvino zvichienda mberi; Zvingangodaro, iyo iceberg inotsemuka kuita zvidimbu zvakawanda zvinogona kupedzisira zvave nekukanganisa mwero wegungwa. Zvakadaro, chinhu chinonyanya kunetsa ndechekuti kana wepasirese wepakati tembiricha ichiramba ichikwira, Antarctica inogona kupera chando.
Isu tine chikwereti ichi chinosuruvarisa kuSentinel-1 satellite yeEuropean Space Agency, yaive iyo yakashandiswa kuongorora kukura kweiyo Larsen C fissure mugore rapfuura, uye kune iyo Aqua MODIS satellite uye iyo Suomi VIRS chiridzwa, zvese kubva kuNASA.
Kuti uwane mamwe mashoko, click here.