Uphando olutsha lolwandle lubonisa ukuba amanzi amdaka e-antarctica acothise imijikelezo yolwandle olunzulu oluchaphazela ngokuthe ngqo imeko yomhlaba.
Iilwandle zehlabathi zinokuvela iyunifomu efanelekileyo xa ijongwa kumgangatho wenqanawa okanye inqwelomoya, kodwa ihamba kakhulu ngaphantsi komphezulu. Imilambo emikhulu iphethe ubushushu kwi-tropics kwi-Arctic kunye neAntarctica, apho amanzi ayaphola khona aze emva koko abuyele kwikhweyi. Abantu abahlala kwi-East Coastry yaseNyakatho Melika naseYurophu baqhelene nomjelo weGulf. Ngaphandle kwawo, ezi ndawo zazingayi kuba nokungabinamsebenzi, kodwa ziya kubanda kakhulu kunangaphambili.
Oopopayi babonisa indlela yombhobho wehlabathi. Iintolo eziblowu zibonisa indlela yendlela enzulu, ebandayo, amanzi emdaka. Iintolo ezibomvu zibonisa indlela yokufudumala, amanzi angaphantsi komhlaba omdaka. Kuqikelelwa ukuba "ipakethi" yamanzi inokuthatha iminyaka eyi-1 000 ukugqibezela uhambo lwayo ngebhanti yehlabathi jikelele. Umthombo weMifanekiso: NOAA
Imijelo yolwandle, ukuze ithethe, inkqubo yokupholisa imoto. Ukuba kukho nantoni na ekuphazamisa ukuhamba okuqhelekileyo kokuphola, into embi enokwenzeka kwinjini yakho. Kwenzeka into efanayo nakwemhlaba ukuba i-chile yolwandle iphazamisekile. Ayisiyiyo kuphela abaya kunceda ukulawula ubushushu bomhlaba, kodwa banikezela nezondlo ezibalulekileyo ezifuneka kubomi baselwandle. Ngasentla ngumzobo onikezwe yi-NOAA echaza ukuba isebenza njani imibutho yolwandle. Apha ngezantsi kukho inkcazo yomlomo.
"Ukujikeleza kwe-termohaline kuqhutywa inkqubo yehlabathi ye-windows yehlabathi ebizwa ngokuba yi-rhulumentergeor yehlabathi. Ibhanti yeDilesi iqala kwindawo yolwandle kufutshane nezibonda ze-North Atlantic. Apha amanzi ayaphola ngenxa yobushushu be-Arctic. Ikwasisixeko kuba xa iifom ze-Ice zolwandle, ityuwa ayiziniki kwaye ihleli kumanzi ajikelezileyo. Ngenxa yetyuwa eyongeziweyo, amanzi abandayo ayoyikihla kwaye athambekele kumgangatho wolwandle. I-canlues yamanzi angaphezulu komhlaba athabathe indawo emanzini amdaka, adala imijikelezo.
"Lo manzi anzulu ahamba emazantsi, phakathi kwelizwekazi, ngaphesheya kwe-ikhweyitha kunye nendlela yonke ukuya kwiziphelo zeAfrika noMzantsi Merika. Imibutho yolwandle ihamba emiphethweni ye-Antarctica, apho amanzi aphola kwakhona kwaye etshona, njengaseNyakatho Atlantic. Kwaye ke kunjalo, ibhanti yeDisjeor "ihlawuliswa." Ukuhamba ngeenxa zonke eAntarctica, amalungu amabini ahlukile kwibhanti yeDisydor kwaye ejika emantla. Inxalenye enye ingena kolwandlekazi lwaseIndiya, kunye nelinye icandelo kuLwandlekazi lwePasifiki.
"Njengoko sihamba emantla ukuya kwiikhweyitha, la malungu mabini aqhekeza, afudumele, kwaye abe nokungaphantsi njengoko bekhula besiya kumphezulu. Emva koko babuyela emazantsi nentshona ukuya kwiAtlantic emazantsi kwaye ekugqibeleni baya eNyakatho Atlantiki, apho umjikelo uqala khona.
"Iibhanti zokuhambisa zihamba kancinci kancinci (iisentimitha ezimbalwa ngomzuzwana) kunomoya okanye amashumi emisele (amashumi ukuya kumakhulu eesentimitha). Kuqikelelwa ukuba nayiphi na imitha ye-cubic yamanzi iya kuthatha iminyaka eyi-1000 yokugqibezela uhambo lwayo kwihlabathi liphela. Uhambo lwebhanti ye-conloor Ukongeza, ibhanti yeDilesi ithutha isixa esikhulu samanzi-ngaphezulu kwe-100 ukuhamba kwe-Amazon River.
"Iibhanti ezidlulayo zikwayinxalenye ebalulekileyo yokuhamba ngebhayisikile yezakha mzimba kunye nekharbon diokside kwi-Oceans yeHlabathi. Amanzi afudumeleyo aphethwe kwizondlo kunye nekharbon diokside, kodwa ayatyetyiswa kwakhona njengoko edlula kwibhanti ye-collor njengeendawo ezinzulu okanye i-substrate. Isiseko sekhonkco lokutya lwehlabathi. Ukuxhomekeka kumanzi apholileyo, ezoyizimba-otyebileyo oxhasa ukukhula kwe-algae kunye ne-kelp. "
Uphando olutsha olupapashwe nge-29 kaMatshi kwindalo lubonisa ukuba njengoko i-antarctica ifudumeza imijikelezo yamantshontsho angama-2050 ngama-2050. Isiphumo siya kuba yinguqu enkulu kwi-Sport yoMhlaba engekhoyo. Oku kuqondwa kakuhle, kodwa kunokukhokelela ekukhawulezileyo kwembalela, izikhukula kunye nenqanaba lolwandle. Uphando lubonisa ukuba i-ndle yonyaka yolwandle ingayitshintsha imeko yehlabathi kangangeenkulungwane. Oku, kunokubakho uluhlu lweziphumo, kubandakanya ukuphakama kwenqanaba lolwandle, ukutshintsha iipateni zemozulu kunye nokubakho kobomi baselwandle beHlanga ngaphandle kokufikelela kwimithombo ebalulekileyo yezakhamthombo.
Unjingalwazi uMat England, kwiYunivesithi yeZiko leNew South Ashlical yoPhando kunye nombhali wemozulu opapashwe kwiGunal yoLuntu, uLwandlekazi olunzulu lwangoku lwangoku luyekelekile. "Kwixa elidlulileyo, kuthathe ngaphezulu kweminyaka eli-1 000 okanye ngenxa yezi ziqhushuluguqle, kodwa ngoku kuthatha kuphela ishumi leminyaka. Oku kuyenzeka ngokukhawuleza okukhulu kunokuba besicinga, le mijikelo iyacotha. Sithetha malunga nokuphela kwexesha elide. Amanzi e-Iconic yamanzi. " "
Ukucothiswa kwemijelo yolwandle enzulu kubangelwa sisixa samanzi okuntywila kwamanzi kumgangatho wolwandle kwaye emva koko uye emantla. UGqr Qian Li, owayengaphambili kwiDyunivesithi yaseNew South Wales kwaye ngoku eMassachusetts Institute yeTekhnoloji, ngumbhali okhokelayo wesifundo, owalungelelaniswa yiNgilani. Ukudodobala kwezoqoqosho "kuya kutshintsha kakhulu impendulo yolwandle, amanzi amatsha, ioksijini, i-carbon kunye nezakha-bhalisa," ababhali babhalwa. Isiphumo esinye sinokuba lutshintsho olusisiseko kwimvula - ezinye iindawo zifumana imvula enkulu kwaye ezinye zifumana kancinci.
U-Lee wathi, "Asifuni kuzimele sokuqinisa iindlela," utshilo u-LEE, u-LEE wathi, "Uthi," utshilo u-LEE, "utshilo uLwe, uLee ocothayo uphulukene nolwandle olunzulu, luyithoba ioksijini. Xa kufakwe izidalwa zaselwandle, zongeza izondlo emanzini entywila kumgangatho wolwandle kwaye ujikeleza kuzo zonke iilwandle zehlabathi. Ezi zesondlo zibuya ngexesha elixhaphakileyo kwaye zisebenze njengokutya kwe-phytoplankton. Esi sisiseko sekhonkco lokutya laselwandle.
UGqr Steve Rintoul, u-Oceanographer kunye nolwandle lwaseMazantsi olwandle lwenzululwazi yase-Australia kunye neMizi-mveliso, yatsho njengesandla esinzulu saselwandle esicothayo, iisondlo eziphantsi ziya kubuyela kwimveliso ephezulu, impembelelo ye-phytoplankton. inkulungwane.
"Nje ukuba ukujikeleza okujikelezayo okucothayo, sinokuqalisa kwakhona ngokuthintela ukukhutshwa kwamanzi amqubise, okuthetha ukuba sifuna imozulu epholileyo kwaye kufuneka silinde ukuba iphinde iqhubeke. Ukuqhubeka kwethu kweGreenhound ukukhutshwa kwegesi ekude, kokukhona sizibophelela kukwenza utshintsho olungakumbi. Ukujonga emva kweminyaka engama-20 eyadlulayo, sasicinga ukuba ulwandle olunzulu aluzange lutshintshe kakhulu. Wayekude kakhulu ukuba aphendule. Kodwa ukuqaphela kunye neemodeli zicebisa ngenye indlela. "
Unjingalwazi uStefan Rahmstorf, i-Oceanographer Uhlalutyo lweNkqubo ye-Potsdam kwiZiko loPhando lweNdalo, yatsho ukuba "imozulu ehamba i-Antarctica inokuthi ilwele ngakumbi kumashumi eminyaka ezayo." Ingxelo yemozulu ephambili ye-UN ineecomi ezibalulekileyo nezilangazelayo "kuba azibonisi ukuba amanzi amdaka achaphazela njani ulwandle olunzulu. "Amanzi anyibilikayo acotha umxholo wetyuwa kwezi ndawo zolwandle, ewenza amanzi angaphantsi komhlaba ukuze angabi nazinzima ngokwaneleyo ukuba aphumele amanzi sele ekhona."
Njengamaqondo obushushu ehlabathi aqhubeka enyuka, kukho ikhonkco phakathi kwemigudu yolwandle ecothayo kunye nemfuno enokubakho ye-geoengineus yokupholisa iplanethi. Zombini ziya kuba neziphumo ezingalindelekanga ezinokubakho ezinokubakho kubomi babantu kwiindawo ezininzi zehlabathi.
Isisombululo, ngokuqinisekileyo, kukunciphisa kakhulu i-carbon diokside kunye ne-methane yokukhupha, kodwa iinkokeli zehlabathi ziye zacotha ngokubhengeza ezi zinto kuba ukwenziwa ngabathengisi beefosili abaxhomekeke kwi-fossil fuels. Iimoto ze-fuels, i-HATAT yamakhaya nokuxhobisa i-Intanethi.
Ukuba i-United States yayinzulu ekwenzeni abathengi bahlawula ilahleko ebangelwa kukuvutha kwe-fossil fuels, iindleko zombane ezihamba kabini, kwaye ixabiso le-petroli lingadlula kwi- $ 10 ye-gallon. Ukuba nayiphi na kwezi zinto zilapha ngasentla, uninzi lwabavoti luya kukhwaza kwaye luvote lwabaviwa abathembisa ukubuyisela imihla yakudala. Ngamanye amagama, siya kuqhubeka sihamba kwikamva elingaqinisekanga, kwaye abantwana bethu kunye nabazukulwana baya kuba nemiphumo yokusilela kwethu ukwenza nayiphi na indlela ebonakalayo.
Unjingalwazi rahmsff uthe enye inkanuko ye-suble yolwandle ebangelwa kukunyuka kwamanzi amdaka eAntarckica onokuthi atshintshe i-carbon dioxide enokugcinwa kuLwandle olunzulu. Singanceda ukunciphisa le meko ngokunciphisa i-carbon kunye ne-methane ukukhutshwa, kodwa kukho ubungqina obuncinci bokuba kuya kubakho intando yezopolitiko ukuba ikhona.
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