Anyị nwere ike nweta ụgwọ ọrụ mmekọ mgbe ịzụrụ site na njikọ dị na saịtị anyị.Nke a bụ ka ọ na-arụ ọrụ.
Nnyocha ọhụrụ egosila na North Pole na-adabere na Siberia site n'ebe obibi ọdịnala ya na Canada Arctic dị ka nnukwu ụyọkọ abụọ zoro ezo n'ime ala na isi-mantle na-etinye aka na agha.
Ebe ndị a, ebe magnetik na-adịghị mma dị ugbu a n'okpuru Canada na Siberia, na-etinye aka n'ọgụ ndị meriri emeri.Dị ka tụlee na-agbanwe ọdịdị na ike nke magnetik, e nwere onye mmeri;Ndị nchọpụta ahụ chọpụtara na ebe oke mmiri dị n'okpuru Canada kwụsịrị site na 1999 ruo 2019, oke mmiri dị n'okpuru Siberia mụbara ntakịrị site na 1999 ruo 2019. "N'ịkọ, mgbanwe ndị a emeela ka eziokwu ahụ bụ na Arctic atụgharịala na Siberia," ka ndị nchọpụta dere. n'ọmụmụ ihe.
"Anyị ahụtụbeghị ụdị ihe a mbụ," Phil Livermore, onye ndu nyocha na osote prọfesọ nke geophysics na Mahadum Leeds na United Kingdom, gwara Live Science na ozi-e.
Mgbe mbụ ndị ọkà mmụta sayensị chọtara North Pole (ebe agịga kompas na-atụ aka) na 1831, ọ bụ n'ebe ugwu Canada nke Nunavut.N'oge na-adịghị anya, ndị nchọpụta ahụ chọpụtara na okporo osisi magnetik dị n'ebe ugwu na-akpagharị, ma ọ naghị adịkarị anya.N'agbata 1990 na 2005, ọnụ ọgụgụ nke okporo osisi magnetik si na ọsọ akụkọ ihe mere eme na-erughị kilomita 9 (kilomita 15) kwa afọ ruo kilomita 37 (kilomita 60) kwa afọ, ndị nchọpụta ahụ dere na nyocha ha.
N'October 2017, ogwe osisi magnetik nke ugwu gafere akara ụbọchị mba ụwa na mpaghara ọwụwa anyanwụ, na-agafe n'ime kilomita 242 (kilomita 390) nke ogwe ugwu mpaghara.Mgbe ahụ, ogwe ndọta nke ugwu na-amalite ịkwaga n'ebe ndịda.Ọtụtụ ihe agbanweela na na 2019, a manyere ndị ọkà mmụta banyere mbara ala ịhapụ otu afọ n'isi ụdị magnetik ọhụrụ nke ụwa, maapụ nke gụnyere ihe niile site na igodo ụgbọ elu gaa na GPS ama ama.
Naanị otu onye nwere ike ịkọ ihe kpatara Arctic ji hapụ Canada gaa Saịberịa.Nke ahụ bụ ruo mgbe Livermore na ndị ọrụ ibe ya ghọtara na ọ bụ ụta.
A na-emepụta oghere ndọta site na igwe mmiri mmiri na-atụgharị n'ime isi dị omimi nke ụwa.Ya mere, mgbanwe nke oke nke ígwè na-atụgharị na-agbanwe ọnọdụ nke magnetik n'ebe ugwu.
Agbanyeghị, oghere ndọta ejedebeghị na isi.Dị ka Livermore si kwuo, eriri ndọta "na-esi n'ụwa pụta.Ọ na-apụta na ntụpọ ndị a na-apụta n'ebe ahịrị ndị a pụtara.Ọ sịrị, "Ọ bụrụ na ị na-eche maka ahịrị oghere ndọta dị ka spaghetti dị nro, ntụpọ ndị ahụ dị ka mkpọ spaghetti na-esi n'ụwa pụta."
Ndị nchọpụta ahụ chọpụtara na site na 1999 ruo 2019, slick dị n'okpuru Canada si n'ebe ọwụwa anyanwụ gaa n'ebe ọdịda anyanwụ wee kewaa n'ime obere slicks abụọ jikọtara, ma eleghị anya n'ihi mgbanwe na nhazi nke isi n'etiti 1970 na 1999. Otu n'ime ntụpọ ahụ siri ike karịa. ndị ọzọ, ma n'ozuzu, elongation "nyere aka na ike ọgwụgwụ nke Canada ntụpọ n'elu Ụwa," ndị nchọpụta dere na ọmụmụ.
Tụkwasị na nke ahụ, ebe Canada na-esiwanye ike na-abịaru nso na Siberia n'ihi nkewa.Nke a, n'aka nke ya, mere ka ebe Siberia sikwuo ike, ndị nchọpụta dere.
Otú ọ dị, ihe mgbochi abụọ a dị na nguzozi siri ike, n'ihi ya, "naanị obere mgbanwe na nhazi nke ugbu a nwere ike gbanwee ihe na-eme ugbu a nke North Pole n'ebe Siberia," ndị nchọpụta dere na ọmụmụ ihe.N'ikwu ya n'ụzọ ọzọ, ịkwanye n'otu ebe ma ọ bụ ọzọ nwere ike izipu magnetik n'ebe ugwu azụ na Canada.
Nrụgharị nke ngagharị pole magnetik gara aga na North Pole na-egosi na ọdịda abụọ, na mgbe ụfọdụ atọ, emetụtala ọnọdụ North Pole ka oge na-aga.N'ime afọ 400 gara aga, ọdịda ahụ emeela ka North Pole na-adịte aka n'ebe ugwu Canada, ndị nchọpụta kwuru.
"Ma n'ime afọ 7,000 gara aga, [North Pole] yiri ka ọ na-agagharị n'osisi ala n'ụzọ na-ezighị ezi n'egosighị ebe a họọrọ," ka ndị nchọpụta ahụ dere n'ọmụmụ ihe ahụ.Dị ka ihe nlereanya ahụ si dị, ka ọ na-erule 1300 BC, okporo osisi ahụ kwagakwara na Siberia.
O siri ike ikwu ihe ga-eme na-esote."Amụma anyị bụ na okporo osisi ga-aga n'ihu na-aga na Siberia, mana ịkọ ọdịnihu siri ike ma anyị enweghị ike ijide n'aka," Livermore kwuru.
Amụma a ga-adabere na "nleba anya zuru ezu nke geomagnetic field n'elu ụwa na na mbara igwe n'ime afọ ole na ole sochirinụ," ndị nchọpụta dere na nnyocha e bipụtara online May 5 na magazin Nature Geoscience.
Maka obere oge, ị nwere ike ịdenye aha na akwụkwọ akụkọ sayensị ọ bụla na-ere ahịa maka obere ihe dị ka $2.38 kwa ọnwa ma ọ bụ 45% kwụsịrị ọnụahịa oge niile maka ọnwa atọ mbụ.
Laura bụ onye nchịkọta akụkọ Live Science maka nkà mmụta ihe ochie na obere ihe omimi nke ndụ.Ọ na-akọkwa gbasara sayensị izugbe, gụnyere paleontology.Egosiputala ọrụ ya na The New York Times, Scholastic, Science Popular, na Spectrum, weebụsaịtị nyocha nke autism.Ọ natara ọtụtụ onyinye n'aka Association of Professional Journalists and Washington Newspaper Publishers Association maka akụkọ ya na akwụkwọ akụkọ kwa izu dị nso Seattle.Laura jisiri BA na Agụmagụ Bekee na Psychology site na Mahadum Washington na St. Louis na MA na Sayensị Writing na Mahadum New York.
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