Afaf qaar ee goobtan waxaa laga yaabaa in ay yihiin mashiinka-ku turjumay oo waxay ku jiri karaan khaladaad. Ka caawi hagaajinta Akhri qoraalka asalka ah ee Ingiriisiga
Badda Arctic ee barafka ah.
Blue Initiative

Heerka badda

Badda ayaa kor u kacaya oo ku saabsan sida degdeg ah sida aad gacmahaaga wax u koraan, iyo dhaqdhaqaaqa waa in ay sii socdaan. For a coastline, tirada yar ee la soo noqnoqda qarnigii ma aha kuwo yar.

Tan iyo 1993, dayax gacmeedyada waxay miisaaniyeen dhererka badda oo ka socda orbit ilaa dhowr sentimitir, marar badan oo ku saabsan, dhammaan dhulka. Xisaabtooda shaki yar ayaa ka tagay: heerka badda adduunka ayaa kor u kacay ilaa toban sentimitir saddex qarni, oo haddana wuxuu kor u kacayaa si degdeg ah marka loo eego markii ay bilaabmeen tirakoobyada. Marka la barbardhigo diiwaanka dheer, laga bilaabo 1901 ilaa 2018, koritaanka wuxuu ahaa ku saabsan 20 sentimitir, ka dhaqso badan inta lagu jiro qarnigii saddexda kun ee sano ee la soo dhaafay, sida uu sheegayo IPCC.

Labada mashiinada

Laba hab ayaa badda kor u qaadi kara, oo labadaba waxaa sabab u ah qaboojinta:

  • Biyuhu wuu ballaaraa marka uu kululeeyo. Badweyntu waxay soo saartay in ka badan 90% heerkulka dheeraadka ah ee ay ku jiraan gaaska aqalka dhirta lagu koriyo. Biyo kulul oo qaadataa meel ka badan. Dhexdhexaad 1971 iyo 2018, kordhinta heerkulka ayaa ka dhigan in ay tahay badhtamaha koritaanka.
  • Buuhadaha dhulka ku jira ayaa badda ku shuba. Buuhadaha buuraha ah ayaa soo laabanaya, iyo buuhooyinka waaweyn ee Greenland iyo Antarctica waxay ka helayaan burooyin badan marka loo eego inta ay da’ayaan barafka. Buuhoodleynta badda barafka, oo horeyba u daboolan, waxba kama beddelayso; buuhoodleynta dhulka barafka waxay si toos ah u kordhisaa badaha.
+20 cmglobal mean sea level rise from 1901 to 2018 (IPCC AR6)
3.7 mmaverage rise per year from 2006 to 2018, nearly three times the rate of 1901 to 1971 (IPCC AR6)
1 billionpeople are projected to live in low-lying coastal zones by 2050 (IPCC SROCC)
Larsen C shelf-ka barafka oo soo saara iceberg A-68 sanadkii 2017.
Larsen C shelf-ka barafka ee Antarctica oo soo saara iceberg A-68, mid ka mid ah buuraha barafka ugu weyn ee la diiwaan galiyay, Luulyo 2017. Sawirka: NASA/JPL-Caltech/NOAA/GSFC

Saacad yar oo dheer

heerka badda jawaabta degdeg ah. Warshadaha ayaa sii wadaya inay ku faafaan badda dhexdeeda iyo daboolka barafka ayaa sii waday inuu isbeddelo qarniyo ka dib markii hawada ay joojiso qaboojinta, sidaas darteed kor u kaca qaar ayaa horeyba loo xiray. Waxa aan dooran hadda go’aansada sida badan iyo sida degdeg ah. IPCC’s ranges likely for 2100, relative to 1995 to 2014, run from 0.28 to 0.55 meters in the lowest-emissions pathway to 0.63 to 1.01 meters in the highest. Koritaanka ku dhow laba mitir 2100 ma aha mid la iska indho tiri karo haddii bullaacadda ay noqdaan kuwo aan xasilloonayn.

Santimitir kasta oo heerka badda ah wuxuu ku hayaa guryo badan oo ay awoodaan dabcan.

Waxa muhiimka ah ee dadka ma aha kaliya inta u dhaxaysa. Badda sare waxay ka dhigtaa fatahaadaha aan caadiga ahayn kuwo caadi ah: meelaha badan, fatahaad oo ku dhacay boqol sano oo keliya ayaa la filayaa inuu dhacaa sanad kasta ilaa 2100 iyadoo heerkulka sare. Biyo kulul ayaa ku soo qulqulaya Webiyada iyo dhulalka biyo-dhaca, qaar ka mid ah xeebaha ayaa sidoo kale hoos u dhacaya marka biyaha dhulka hoostiisa ah la daadsho, taas oo saameynta sii kordhisa.

Maxaa la sameyn karaa

  • Qaadashada. Xawaaraha ugu weyn: tan kasta oo CO2 ah oo la iska ilaaliyo waxay yareysaa koritaanka ugu dambeeya.
  • Ilaawin. Dhismaha badda, xadgudubyada iyo difaaca sare, sida Thames Barrier ama Dutch Delta Works, waxay waqti u iibsadaan magaalooyinka tirada badan.
  • Accommodate. Kordhi dhismayaasha iyo waddooyinka, daaqadaha dhulka hoostiisa ah ee badda, iyo naqshadeynta biyo-mareenka ee biyaha sare.
  • La shaqeey dabiiciga. Mangroves, cusbo, dunes iyo reefs soo saaraan tamarta hirarka oo ay koraan badda, badanaa ka raqiisan xataa concrete.
  • Plan ka baxaya meesha loo baahan yahay. Meelaha qaar ee ugu ammaansan iyo doorasho cheapest waa in ay dadka iyo dhismayaasha ka fog xeebta, si cadaalad ah oo hore.
  • Stop bakhtiya. Xaddidaadda biyaha dhulka hoostiisa ah ayaa yareyneysa hoos u dhaca kaas oo ka dhigaya biyaha koritaanka ka sii xun.

Sideed u caawin kartaa

  • Ogow khatartaada. Ka eeg gurigaaga, dugsiga ama goobta shaqada ee heerka badda ama khariidada roobabku ay ku qoran yihiin, oo qorshe qoyska ah u samee haddii aad xeebta ku nooshahay.
  • Dhawrso dabiiciga xeebaha. Ku biir ama taageer kooxaha dib u soo celinta mangroves, badaha iyo dune.
  • Su’aalo ka weydiiso golahaaga qorshaha ku habboonaajinta, iyo haddii dhismaha cusub weli waa la oggol yahay dhulka laga yaabo in ay fatahaad.
  • Ka jar saamayntaada halka ay ugu badan tahay: qaboojinta guriga, safarka iyo korontada.
  • Share the data. Tarjumaan this sharxaya ama ku darto deegaanka tide-gauge xogta ka dib markii contribution board.

Xogta iyo akhriska dheeraadka ah