Koluoa ​​ea maemo a leholimo e boletsoe esale pele Russia

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Bo-rasaense ba Setsi sa Patlisiso ea Metsing se Tromsø, Norway, ba supile phetoho ea maemo a leholimo e potlakileng le e makatsang Leoatleng la Barents. Ho ea ka bafuputsi, sebaka sena se lahleheloa ke likarolo tsa leoatle la Arctic mme haufinyane e kanna ea ba karolo ea tsamaiso ea maemo a leholimo a Atlantic. Ka lehlakoreng le leng, sena se kanna sa ba le phello e mpe tikolohong ea tikoloho moo liphoofolo tse itšetlehileng ka leqhoa li lulang teng le ho tšoasa litlhapi tsa khoebo. Sengoloa sa bo-ramahlale se phatlalalitsoe koranteng ea Nature Climate Change.

Leoatle la Barents le na le libaka tse peli tse nang le mebuso e fapaneng ea leholimo. Leboea le na le tlelaemete e batang le tikoloho e amanang le leqhoa, ha boroa e laoloa ke maemo a bonolo a Atlantic. Karohano ena e hlaha ka lebaka la hore metsi a futhumetseng le a letsoai la Atlantic a kena karolong e le 'ngoe ea leoatle, ha e' ngoe e na le metsi a futhumetseng le a batang a Arctic, ao selemo se seng le se seng a le tlasa khatello ea pele e neng e khutlela leboea.

Bo-ramahlale ba lumela hore karolo ea mantlha ts'ebetsong ena e bapaloa ke ho senyeha ha stratification ea likarolo tsa metsi ka lebaka la phokotso ea bongata ba metsi a hloekileng a kenang leoatleng nakong ea ho qhibiliha ha leqhoa. Ka potoloho e tloaelehileng, ha leqhoa le qhibiliha, bokaholimo ba leoatle bo amohela metsi a batang a batang, a hlahisang maemo a hore maqhoa a macha a be teng mariheng a tlang. Leqhoa le le leng le sireletsa lera la Arctic hore le se ke la ama sepakapaka ka kotloloho, hape le lefella tšusumetso ea likarolo tse tebileng tsa Atlantic, ha le ntse le boloka stratification.

Haeba metsi a sa qhibilihe ka ho lekaneng, stratification e qala ho sitisoa, 'me ho futhumala le ho eketseha ha letsoai karolong eohle ea metsi ho qala karabelo e ntle ea maikutlo e fokotsang sekoaelo sa leqhoa, mme, ka hona, e kenya letsoho phethong e kholo le ho feta ea stratification of layers, e lumellang metsi a futhumetseng a tebileng hore a nyolohe holimo le holimo. Bo-rasaense ba supa phokotso e akaretsang ea sekoaelo sa leqhoa Arctic ka lebaka la ho futhumala ha lefatše e le lebaka la phokotso ea phallo ea metsi a qhibilihang.

Bafuputsi ba fihlela qeto ea hore ho fokotseha ha metsi a hloekileng a qhibilihileng ho bakile letoto la liketsahalo tse qetelletseng li lebisitse ho hlaheng ha "sebaka se chesang" Arctic. Leha ho le joalo, liphetoho li kanna tsa se khone ho khutlisoa, 'me haufinyane Leoatle la Barents le tla fetoha karolo ea sistimi ea maemo a leholimo ea Atlantic. Liphetoho tse joalo li etsahetse feela nakong ea leqhoa la hoqetela.

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