Amagesi abamba ukushisa yiwona abangela ukufudumala kwembulunga yonke. Zibamba ukushisa emkhathini, okwenza izinga lokushisa loMhlaba likhuphuke. Akuwona wonke amagesi abamba ukushisa adalwa alinganayo, noma kunjalo. Ezinye zisebenza kakhulu ekubambeni ukushisa kunezinye. Ukuqonda ukuthi imaphi amagesi anomthelela omkhulu ekuguqukeni kwesimo sezulu kubalulekile. Njengomholi kwezobuchwepheshe be-greenhouse,Izindawo zokuhlala e- Chengfei Greenhousesuzibophezele ekunikezeni izixazululo ezisimeme embonini yezolimo, kuyilapho esiza ekunciphiseni ukukhishwa kwesisi esingcolisa umoya.
I-Carbon Dioxide: Evame Kakhulu, Kodwa Enamandla Kancane
I-Carbon dioxide (CO₂) iyigesi ebamba ukushisa evame kakhulu, ekhishwa ikakhulukazi ekushisweni kwezinto ezimbiwa phansi njengamalahle, uwoyela, negesi yemvelo. Nakuba ine-concentration enkulu emkhathini, umphumela wayo we-greenhouse ubuthakathaka uma uqhathaniswa namanye amagesi. Ngamandla okufudumala komhlaba (GWP) angu-1, i-CO₂ ibamba ukushisa, kodwa hhayi ngendlela ephumelelayo njengabanye. Kodwa-ke, ukukhishwa kwayo kukhulu, kubala cishe izingxenye ezimbili kwezintathu zokukhishwa kwegesi ebamba ukushisa emhlabeni. Ngenxa yokukhishwa kwayo okukhulu, i-CO₂ iyisici esibalulekile ekufudumaleni komhlaba, ngisho noma amandla ayo okubamba ukushisa ephansi.
I-Methane: I-Heat-Trapper Enamandla
I-Methane (CH₄) iphumelela kakhulu ekubambeni ukushisa kune-carbon dioxide, ene-GWP enkulu ngokuphindwe izikhathi ezingu-25. Nakuba i-methane ine-concentration ephansi emkhathini, inamandla kakhulu esikhathini esifushane. I-Methane ikhishwa ngokuyinhloko ngezolimo, izindawo zokulahla imfucumfucu, kanye nokukhipha igesi yemvelo. Imfuyo, ikakhulukazi izilwane ezelusayo, ikhiqiza isamba esikhulu se-methane. Imfucuza yezinto eziphilayo ezindaweni zokulahla imfucumfucu nayo iyabola futhi ikhiphe i-methane emkhathini. Nakuba ukukhishwa kwe-methane kungekukhulu njenge-CO₂, umthelela wayo wesikhashana ekushintsheni kwesimo sezulu mkhulu futhi uyaphuthuma.
Ama-Chlorofluorocarbons (ama-CFC): Amagesi Abamba Ukushisa Aphezulu
Ama-Chlorofluorocarbon (CFCs) angamanye amagesi abamba ukushisa anamandla kakhulu. I-GWP yabo inkulu izikhathi eziyizinkulungwane kune-CO₂. Nakuba zikhona emkhathini ngamanani amancane, umphumela wazo unamandla ngokungenakulinganiswa. Ama-CFC ayesetshenziswa kabanzi ezimisweni zesiqandisi nezokupholisa umoya, kodwa futhi anengxenye ekuwohlokeni kongqimba lwe-ozone. Naphezu kwezivumelwano zamazwe ngamazwe zokuyeka ukusetshenziswa kwawo, ama-CFC ayaqhubeka nokukhululwa ngemishini endala kanye nezinqubo ezingafanele zokugaywa kabusha.
I-Nitrous Oxide: Inkinga Ekhulayo Kwezolimo
I-Nitrous oxide (N₂O) enye igesi ebamba ukushisa enamandla, ene-GWP izikhathi ezingu-300 ezinkulu kune-CO₂. Ikakhulukazi ivela emisebenzini yezolimo, ikakhulukazi lapho kusetshenziswa umanyolo owenziwe nge-nitrogen ngokweqile. Amagciwane omhlaba aguqula i-nitrogen ibe yi-nitrous oxide. Ukushiswa kwe-biomass nezinye izinqubo zezimboni nazo zikhipha le gesi. Njengoba ezolimo zikhula, ikakhulukazi ngokusetshenziswa kukamanyolo kakhulu, ukukhishwa kwe-nitrous oxide kuba yinto ekhathazayo emhlabeni wonke ngokuncishiswa kwesisi esibamba ukushisa.
Iyiphi Igesi Enomthelela Oqine Kakhulu?
Phakathi kwawo wonke amagesi abamba ukushisa, ama-CFC anamandla amakhulu okufudumala, aphindwe izikhathi eziyizinkulungwane kune-CO₂. I-Methane ilandela eduze ngemuva, enomthelela wokufudumala izikhathi ezingu-25 ezinamandla kune-CO₂. I-Nitrous oxide, nakuba ikhishwa kancane kune-methane nama-CFC, isenamandla amakhulu okufudumala, izikhathi ezingu-300 kune-CO₂. Nakuba i-CO₂ iyigesi ebamba ukushisa eningi kakhulu, amandla ayo okufudumala abuthakathaka uma kuqhathaniswa namanye.
I-greenhouse gas ngayinye inikela ngokuhlukile ekufudumaleni komhlaba, okwenza kube semqoka ukubhekana nayo yonke imithombo.Izindawo zokuhlala e- Chengfei Greenhousesisebenza ukunciphisa ukukhishwa kwala magesi ngokukhuthaza izindlela zokulima ezonga amandla, esimeme, kanye nokwamukela ubuchwepheshe obungayingeni imvelo. Njengoba amazwe emhlabeni wonke eqhubekela kumandla aluhlaza, ethuthukisa ukusebenza kahle kwezolimo, kanye nezindlela ezingcono zokulawulwa kwemfucuza, imizamo yomhlaba wonke iyaqhubeka yokunciphisa ukukhishwa kwesisi esingcolisa umoya. Ukunciphisa lokhu kukhishwa kwegesi kubalulekile ekubambezeleni inqubo yokufudumala kwembulunga yonke.
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Isikhathi sokuthumela: Apr-06-2025
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