Muna iya samun kwamitocin haɗin gwiwa lokacin da kuka saya daga hanyoyin haɗin yanar gizon mu.Ga yadda yake aiki.
Wani sabon bincike ya nuna cewa Pole ta Arewa tana karkata zuwa Siberiya daga gidanta na gargajiya da ke yankin Arctic na Kanada yayin da wasu manyan gungu guda biyu da ke boye a karkashin kasa mai zurfi a kan iyakar da ke kan iyaka da ke shiga yakin.
Wadannan tabo, yankunan da ke da mummunan halin yanzu na maganadisu a ƙarƙashin Kanada da Siberiya, suna da hannu a cikin yaƙin cin nasara.Yayin da ɗigon ya canza siffar da ƙarfin filin maganadisu, akwai mai nasara;Masu binciken sun gano cewa yayin da yawan ruwan da ke karkashin Kanada ya raunana daga 1999 zuwa 2019, yawan ruwan da ke karkashin Siberiya ya karu kadan daga 1999 zuwa 2019. "Tare, waɗannan canje-canje sun haifar da gaskiyar cewa Arctic ya koma Siberiya," masu binciken sun rubuta. a cikin binciken.
"Ba mu taba ganin irin wannan abu ba," Phil Livermore, jagoran bincike kuma mataimakin farfesa a fannin ilmin lissafi a Jami'ar Leeds a Birtaniya, ya shaida wa Live Science a cikin imel.
Lokacin da masana kimiyya suka fara gano Pole ta Arewa (inda allurar kompas ta nuna) a cikin 1831, yana cikin yankin Nunavut na arewacin Kanada.Ba da daɗewa ba masu binciken suka gane cewa igiyar maganadisu ta arewa tana son yin nisa, amma yawanci ba ta yi nisa ba.Tsakanin shekarar 1990 zuwa 2005, adadin da igiyoyin maganadisu ke motsawa daga saurin tarihin da bai wuce mil 9 (kilomita 15) ba a kowace shekara zuwa mil 37 (kilomita 60) a kowace shekara, masu binciken sun rubuta a cikin bincikensu.
A watan Oktoban 2017, igiyar maganadisu ta arewa ta ketare layin kwanan wata na duniya a yankin gabas, inda ya wuce nisan mil 242 (kilomita 390) na gunkin arewa.Sannan igiyar maganadisu ta arewa ta fara matsawa kudu.Da yawa sun canza cewa a cikin 2019, an tilasta wa masana kimiyyar ƙasa sakin shekara guda farkon sabon samfurin maganadisu na duniya, taswirar da ta haɗa da komai daga kewayawar jirgin sama zuwa wayar GPS.
Mutum zai iya tunanin dalilin da yasa Arctic ya bar Kanada zuwa Siberiya.Hakan ya kasance har sai da Livermore da abokan aikinsa suka gane cewa faduwa ne ke da laifi.
Filin maganadisu yana samuwa ne ta hanyar ƙarfe na ruwa mai juyawa a cikin zurfin duniyar duniyar.Don haka, canji a cikin adadin ƙarfe mai jujjuyawa yana canza matsayi na Magnetic arewa.
Koyaya, filin maganadisu bai iyakance ga ainihin ba.A cewar Livermore, layukan maganadisu suna “kumburi” daga duniya.Ya zama cewa waɗannan ɗigowar suna bayyana inda waɗannan layukan suka bayyana."Idan kuna tunanin layukan maganadisu a matsayin spaghetti mai laushi, tabo kamar ƙullun spaghetti da ke fitowa daga duniya," in ji shi.
Masu binciken sun gano cewa daga 1999 zuwa 2019, wani slick a ƙarƙashin Kanada ya miƙe daga gabas zuwa yamma kuma ya rabu zuwa ƙananan ɓangarorin haɗin gwiwa guda biyu, mai yiwuwa saboda canje-canje a tsarin babban kwarara tsakanin 1970 da 1999. Ɗaya daga cikin tabo ya fi karfi fiye da sauran, amma gabaɗaya, elongation "ya ba da gudummawa ga raunin raunin Kanada a saman duniya," masu binciken sun rubuta a cikin binciken.
Bugu da ƙari, wurin da ya fi ƙarfin Kanada ya zama kusa da Siberian saboda rarrabuwa.Wannan, bi da bi, ya ƙarfafa wurin Siberian, masu bincike sun rubuta.
Duk da haka, waɗannan tubalan guda biyu suna cikin ma'auni mai laushi, don haka "ƙananan gyare-gyare kawai ga tsarin da ake ciki yanzu zai iya canza yanayin halin yanzu na Arewa Pole zuwa Siberiya," masu binciken sun rubuta a cikin binciken.A wasu kalmomi, turawa zuwa aya ɗaya ko wani na iya aika magnetic arewa zuwa Kanada.
Sake gine-ginen motsin igiyar maganadisu da ya gabata a Pole ta Arewa ya nuna cewa digo biyu, wani lokacin kuma uku, sun yi tasiri ga matsayin Arewa Pole a tsawon lokaci.A cikin shekaru 400 da suka gabata, raguwar ya haifar da Pole ta Arewa a arewacin Kanada, masu bincike sun ce.
"Amma a cikin shekaru 7,000 da suka gabata, [Pole North] ya bayyana cewa ya zagaya iyakar yanki ba tare da nuna wurin da aka fi so ba," masu binciken sun rubuta a cikin binciken.Bisa ga samfurin, a shekara ta 1300 BC, sandar kuma ta koma Siberiya.
Yana da wuya a faɗi abin da zai faru a gaba."Hasashen mu shine cewa sandunan za su ci gaba da tafiya zuwa Siberiya, amma tsinkayar nan gaba yana da wahala kuma ba za mu iya tabbata ba," in ji Livermore.
Hasashen zai dogara ne akan "cikakken sa ido kan filin geomagnetic a saman duniya da kuma sararin samaniya a cikin 'yan shekaru masu zuwa," masu binciken sun rubuta a cikin wani binciken da aka buga a kan layi 5 ga Mayu a cikin mujallar Nature Geoscience.
Na ɗan lokaci kaɗan, zaku iya biyan kuɗi zuwa kowane ɗayan mujallolin kimiyya masu siyar da kuɗi kaɗan kamar $2.38 kowace wata ko kashi 45% akan farashi na yau da kullun na farkon watanni uku.
Laura ita ce editan Live Science don ilimin kimiya na kayan tarihi da ƙananan asirai na rayuwa.Ta kuma bayar da rahoto kan kimiyyar gabaɗaya, gami da ilimin burbushin halittu.An nuna aikinta a cikin The New York Times, Scholastic, Kimiyyar Kimiyya, da Spectrum, gidan yanar gizon bincike na Autism.Ta sami lambobin yabo da yawa daga Ƙungiyar Ƙwararrun 'Yan Jaridu da Ƙungiyar Mawallafin Jaridu na Washington don rahotonta a wata jarida ta mako-mako kusa da Seattle.Laura ta yi digirin digirgir a fannin adabin Ingilishi da ilimin halayyar dan adam daga Jami’ar Washington da ke St. Louis da MA a fannin Rubutun Kimiyya daga Jami’ar New York.
Live Science wani ɓangare ne na Future US Inc, ƙungiyar watsa labarai ta duniya da kuma babban mai wallafa dijital.Ziyarci gidan yanar gizon mu na kamfani.