Mokhoa oa ho fokotsa khaello ea metsi ka lilemo tse 35

Ka palo ea metsi a hloekileng ao re a sebelisang letsatsi le leng le le leng, palo ea hona joale ea metsi a hloekileng e ke ke ea tšoarella nako e telele haholo. Ho loantša 'nete ena, bafuputsi Univesithing ea McGill ba tlile ka mehato e ka fokotsang khaello ea metsi a hloekileng ka lilemo tse 35.

Senotlolo sa morero oa bona ke ho fokotsa khatello ea kelello tsamaisong ea metsi lefatšeng ka bophara. Sena se tla bolela ho fokotsa bongata ba tšilafalo e kenang ka metsing hore a be teng a mangata, re sebelise metsi a fokolang mesebetsing ea rona ea letsatsi le letsatsi le ho fetola mekhoa ea rona ea motheo hore re sebelise mehloli ea metsi hamolemo.

Litsamaiso tsa metsi li hatelloa ha ho na le tlhokahalo ea metsi eo tsamaiso e ke keng ea e lumellana. Re sebelisa ho feta 40% ea metsi a teng lefatšeng; hona joale sena se ama karolo ea boraro ea lefatše: karolo e ka eketsehang ho isa halofong ea baahi ba lefatše bofelong ba lekholo lena la lilemo.

Tom Gleeson, Lefapha la McGill la Boenjiniere ba Sechaba, o re: “Ha ho na sethunya se le seng sa silevera se ka sebetsanang le bothata [ba khaello ea metsi]… Phokotso e kholo ea baahi ba nang le khatello ea metsi e ka etsahala ka 2050, empa boitlamo bo matla le matsapa a bohlokoa lia hlokahala. ho etsa sena.”

Univesithi ea McGill e lokolotse maano a tšeletseng a fapaneng ho thusa ho fokotsa khaello ea metsi a hloekileng. Ba arola mekhoa ena ka mekhahlelo e 'meli: mehato e thata le mehato e bonolo. Mehato e thata e kenyelletsa ho aha meaho ea ts'ebetso ea metsi hantle, 'me mehato e bonolo e shebana le lehlakore la sechaba la ho fokotsa metsi a hloekileng a sebelisoang.

Ho na le mehato e 'meli e boima: e' ngoe ke ho eketsa polokelo ea metsi matamong 'me ea bobeli ke ho eketsa ho ntša letsoai metsing a leoatle.

Ho hakanngoa hore matla a matamo a lokela ho nyolohela ho hoo e ka bang 600 km3. Sena se ka etsoa ka ho atolosa matamo a teng kapa ka ho haha ​​a macha. Ka bomalimabe, keketseho ena e ka ba le litlamorao tse mpe tikolohong le sechabeng kaha matamo a senya phallo ea tlhaho ea tikoloho. Ho feta moo, ho holisa matamo a teng kapa ho aha a macha ho bitsa chelete e ngata.

Ho ntša letsoai metsing a leoatle ho ne ho tla sebelisoa haholo-holo libakeng tse lebōpong la leoatle 'me ho ne ho tla hloka hore ho hahoe limela tse ncha tsa ho ntša letsoai kapa ho atolosoa tse seng li ntse li le teng. Keketseho e hakanyetsoang ea makhetlo a 50 ea palo ea ts'ebetso ea metsi e tla hlokoa ho thusa ho fokotsa khaello ea metsi.

Ho ntša letsoai ho ka bitsa chelete e ngata haholo kaha ho hloka matla a mangata le ho lahla metsi a litšila. Hajoale ho na le sekhahla sa ho khutlisa metsi sa 46% ka ho tlosoa ha metsi letsoai ka mochesong, e hlokang hoo e ka bang 7-18 kWh ka cubic meter ea metsi e sebelitsoeng.

Mehato e bonolo e hloka keketseho ea tlhahiso ea temo ea nosetso, ho eketseha ha katleho ea ho nosetsa, ntlafatso ea tšebeliso ea metsi a malapeng le a indasteri, le ho fokotsa sekhahla sa keketseho ea baahi.

Boholo ba litaba tsena bo ka rarolloa ka ho kenyelletsa tse ncha lijalo le ho fetola mekhoa ea ho nosetsa. Ho tla hloka matsete a bohlokoa a lichelete le liphetoho sechabeng ho kenya tšebetsong lintlafatso tsena.

Ho fokotsa tšebeliso ea metsi malapeng le indastering e tla ba phephetso kaha batho ka kakaretso ha baa ikemisetsa kapa ha ba khone ho fetola tsela ea bona ea bophelo hore ba ele hloko metsi haholoanyane. Empa phephetso e kholo ea sechaba e tla ba ho fokotsa kholo ea baahi, haholo-holo libakeng tse nang le khatello ea metsi.

Sepheo se khothalelitsoeng sa Univesithi ea McGill ke ho fokotsa palo ea baahi ho limilione tse likete tse 8.5 ka 2050. Ha re fana ka sekhahla sa hona joale sa keketseho ea baahi, ho hakanngoa hore palo ea batho e tla ba limilione tse likete tse 13.5 ka 2050.