Saurin sauri a cikin Atlantic ya faɗi zuwa matakin ƙasa a cikin shekaru 1000

Anonim

Wani sabon binciken ya nuna cewa ɗayan mahimman jerin abubuwan tafiye-tafiye na duniya - Atlantic), wanda ke gudana cikin Tekun Atlantika, Canja wurin teku daga Kudu da Arewa Atlantic zuwa ƙari Polar Ruwa na Atlantic kuma ta hanyar taimakawa duniya don tsara yawan zafin jiki - ya kai mafi rauni a matsayin Millennium. Kuma ingantaccen rarraba zafi akan duniyar ta tambaya ce.

Masana kimiyya daga Jami'ar Irish ta kasar Irish a cikin Gyarawa, Kwalejin United ta London (Unitedddam Jami'ar da ke nuna a cikin shekaru 1600 da suka gabata saboda canjin yanayi na zamani saboda canjin yanayi. An buga aikinsu a cikin rayuwar jaridar Geoscience.

Saurin sauri a cikin Atlantic ya faɗi zuwa matakin ƙasa a cikin shekaru 1000 5349_1
View na Amoc da bangare shine Soldimim. A cikin babbar ma'ana, ana kiranta rafin Gulf duk tsarin dumama a arewacin Tekun Atlanta daga Florida zuwa The Scornavia da Arctic Ocean Woods -

Tun, kamar yadda aka riga aka ambata a sama, kewaya ruwa a cikin Atlantic ya jure zafi zuwa arewa, tana nuna dumama ƙasashe - kuma ba tare da wannan hunturu ba a ɗaya ° C Colter. Gaskiyar cewa dumamar dumamar duniya tana raunana rafin Atlantika na Atlantika, an daɗe da sani. A cikin 2018, ƙungiyar masana kimiyya ta bayyana cewa saurin rafin golf ya faɗi kaɗan a cikin wannan tarihin lura kuma a nan gaba wannan kwarara na iya ɓacewa kwata-kwata. Dangane da bayanan karshe, Atlantic mitsional zagayawa kanta daga tsakiyar karni na ashirin ya raunana ta kusan 15 bisa dari.

"A karo na farko muna hada kararrawa da yawa da suka gabata kuma gano cewa sun ba da daidaitaccen hoto na Tallafi na Aj. Stefan Ramstorf, masanin kimiyyar mai laifi. - Sakamakon ya nuna cewa wurare dabam dabam bai zama mai tsayayye ba har zuwa ƙarshen karni na XIX. Amma tare da cikar ƙaramin abu mai kyau, a kusan 1850, teku kwarara ya fara raguwa, kuma daga tsakiyar karni na ashirin, tun da 60s, na biyu, na biyu, na biyu ya biyo. Kullum murmurewa da zagaye ya faru to, a shekarun 1990, amma sannan raguwar da ya faru a farkon shekaru goma na 2000. "

Babban nasarar aikin shine cewa ya hada nau'ikan yanayi daban-daban "InireCt bayanai" don bincika canje-canje na Adic. Tabbas, ya kamata a fahimci sakamakon da taka tsantsan, musamman tun lokacin da dalilai masu yiwuwa ga rumburcin kewaya Atlantika ba a yi nazari musamman.

Koyaya, kamar yadda karatun da suka gabata ya nuna, canjin yanayi, ya inganta ta aikin ɗan adam, yana iya ba da gudummawa ga raunana na bakin teku, yana haifar da narke kankara a cikin yankuna na arewacin. Melting na kankara yana kawo mafi ruwa mai sabo a cikin teku - kuma yana da kutse tare da kewaya al'ada a cikin tekun. A sakamakon haka, idan dumamar duniya zata ci gaba har zuwa ƙarshen karni na XXI (kamar yadda muka fahimta, wannan aikin ba a tsayar da shi ba), "Wannan aikin yanzu yana da rauni a ƙarshe.

A cewar masana kimiyya, da jinkirin da ke tattare da ruwa ya riga an nuna shi a tsarin yanayin a cikin tekun Atlantika guda ɗaya. Yayin da kwararar gabashin gabas ya raunana, karin ruwa zai iya tara, wanda zai haifar da karfafa gwiwa a matakin teku, misali, kusa da New York da Boston.

A lokaci guda, Turai tana fuskantar raƙuman ruwa mai zafi. "Musamman, zafin wuta a lokacin bazara na 2015 yana da alaƙa da rikodin mura a arewacin teku na tekun Atlantika a cikin wannan shekara ta Atlantic Tekun Atlantika a cikin wannan shekara ta Atlantic Tekun Atlantika a cikin wannan shekara ta Atlantic Tekun Atlantic yana ba da gudummawa ga samuwar matsin iska, wanda ke jagorantar iska mai dumi daga kudu zuwa Turai, "marubutan aikin da aka bayyana.

Source: Kimiyya mara kyau

Kara karantawa