Ukunyuka kwama-3-degree kungasongela ungqimba lwe-ozone

UMonica sanchez | | Izibikezelo

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Siphila ezweni lapho ukwanda okuqhubekayo kwamazinga okushisa kubangela izinkinga eziningi embulungeni yonke, njengokuncibilikiswa nokukhuphuka kwamazinga olwandle, isomiso esiya siba namandla, izivunguvungu ezibhubhisa kakhulu, kepha sivame ukukhohlwa ungqimba lwe i-ozone.

Lolu ungqimba, olusuka cishe ku-15km kuye ku-50km ukuphakama, lubaluleke kakhulu ukugcina impilo. Manje isifundo siveze nokuthi ukufudumala kweziqu ezintathu kungakusongela ngokungathi sína.

Ukunyamalala kongqimba lwe-ozone, noma ukuncipha kwalo, kungakhuphula inani lamacala omdlavuza. Lokhu, ekuqaleni kungahle kubonakale kukude, kungahle kungabi kude kangaka. Ukwanda kwamazinga okushisa kuyiqiniso langempela emhlabeni wonke: sesibe ngaphezu kwezinyanga ezingama-300 zilandelana lapho amanani abhaliswe ngaphezu kokujwayelekile.

Ngokungcola, ukugawulwa kwamahlathi, kanye nokusetshenziswa kwemikhiqizo enobuthi emvelweni, abantu bazibeka bona kanye nazo zonke ezinye izinhlobo zokuphila kule planethi engcupheni.

Ngokocwaningo olushicilelwe ephephabhukwini i-Nature Communications, kubaluleke kakhulu ukuthi kuthathwe izinyathelo zomhlaba wonke zokulawula ukukhiqizwa kwe-methane, okuyinkinga enkulu kwezemvelo eYurophu.

Imbobo yesendlalelo se-ozone

Ababhali bezocwaningo, kufaka phakathi u-Audrey Fortems-Cheiney wesikhungo saseFrance i-Institut Pierre Simon Laplace, basebenzise imodeli yokuhambisa amakhemikhali ukuhlola ukuthi kuzokwenzekani nge-ozone uma amazinga okushisa ama-2 noma ama-3 degrees ngaphezulu efinyelelwe ezimweni ezahlukahlukene nge izici ezahlukahlukene zokunciphisa.

Ngakho-ke, bakwazile ukubona ukuthi esimeni ngaphandle kokunciphisa ukukhishwa kwegesi, ngokufudumala kwe-3ºC phakathi kuka-2040 no-2069, amazinga e-ozone ayephakeme ngo-8%. Uma kuba ngokoqobo, ukwehliswa okutholwe ngokusetshenziswa kwemithetho yokukhishwa kwe-ozone kuzokweqiwa; Noma ubeke enye indlela: umgodi osendleleni ye-ozone, etholakala cishe ku-15km ukusuka e-Antarctica, ungenziwa ube mkhulu.

Ungasifunda isifundo lapha.


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  1.   Izwisa kusho
    kwenza iminyaka 6

    Ulale kahle,

    Mhlawumbe nginephutha, kodwa ngicabanga ukuthi isifundo osixhumanisayo sibhekisa ku-ozone eshisayo, hhayi ungqimba lwe-ozone (stratospheric) futhi asisho ukuthi sizokwehla, kepha sizokhula, kubi ngoba sinobuthi. Empeleni, endimeni yalesi sihloko ithi "amazinga e-ozone azonyuka ngo-8%, okungakhulisa imbobo phezu kwe-Antarctica." Uma amazinga e-ozone ekhuphuka, kungani imbobo ikhuphuka?

    Ngiyagcizelela, mhlawumbe ngenza iphutha, lapho-ke ngixolele ukungazi kwami. Ozithobayo.

    Phendula abakwaNieves