Lake Nyos in Cameroon - kaliya dalxiisayaasha, xad-dhaaf ah

Lake Nyos ee Cameroon, waxaa la sameeyay sano oo kaliya 400 oo ka hor iyada oo sababtu tahay qarax hydrothermal markii ay u soo baxaan ka bixiyo magma kulmay dhulka. Tani waxay qayb ka mid ah dalka waa kala duwan oo buurta Kobenhagen. gudubno New bohol ka buuxsamay. Muddo dheer waxaa la tixgeliyaa volcano ah bakhtiyeen. Inkastoo aragtida cajiib ah ka xeebaha balli buurta, dalxiisayaasha dhif ah halkan ka arkay. Kaliya tuulooyinka yar ayaa yaalla meel u dhow u gudubno, taas oo uu leeyahay height ah in ka badan kun oo mitir heerka badda.

Xaaladda bedelay 1986. About yar (dheer 1,400 mitir oo ballaadhan 900) gudubno ee Cameroon, dunida hadlay. Dhammaadkii bishii Agoosto, si lama filaan ah ku dhintay, ku dhowaad dhammaan dadka tuuladu Fang Cha, Subum iyo Nyos. Oo ma jirin xayawaanka, shimbiraha ma jiro, xitaa cayayaanka. Xitaa dhirta ay weheliyaan bangiyada ee balli ayaa noqday brown oo wax fiiriyey podmerzshie. Seynisyahanno magacaabay dhacdada "masiibo limnological", iyo dadka caadiga ah waxay bilaabeen inay soo wac Nyos "gudubno dilaaga". Sidaas waxa dhacay in 08.21.86 habeenkii dilaa ah?

Maydadka in ka badan kun dhintay iyo siddeed dhaawacmeen ahaayeen finan duubay. Tani waxay keentay in cilmi-soo jeedinaya in volcano soo noolaaday. Laakiin xaqiiqadu waxay ahayd kale oo badan oo xiiso leh. Lake Nyos in Cameroon - si dhab ah Kobenhagen, oo ka mid ah bohol iyo dildilaaca kale cqaadir in ay biyo sii wadaan in ay soo qulquli carbon dioxide. Waxaa ururayaa in lakabyada hoose. Falanqaynta biyaha moolka ugu muujiyeen in isla markiiba ka dib shilka waxaa la supersaturated la CO _2, methane iyo helium bixiyay. Laakiin qeybta libaax ee gaasaska u aabayeelin (96%) weli carbon dioxide.

Marka ay dhamaato ee xagaagan ee aagga this - xilli-roobaadka. Inta badan, korsiiya ka dhasha biyaha qabow oo cufan oo durdurradiisa badan oo buuxdhaafay Lake Nyos. Waxa ay ahayd wax badan in ay si buuxda u daboolay dusha biyaha si ay u sameeyaan lakabka dusha sare. In gudaha ee ku nastaan cokan gaas sun ah biyo diiran. Farqiga in cufnaanta ee layers ahaa "kicin" in bilaabay falcelinta kiimikada musiibo. In fiidkii on 21 August afuufeen dabayl xoog waqooyiga in eryay biyaha roobka ee koonfurta. Furay layers dhow-hoose isla markiiba lagu gaaska bixiya. falcelin la mid ah aan ku aragno, uncorking dhalada la shaqeeya ku leh soda. baaxadda waxa dhacaya oo keliya ayaa ahaa aad u balaaran.

Sidaas darteed, Lake Nyos in Cameroon soo baxay in la gudubyadaas ceeryaamo. Jebi gaaska free tamarta nuugo, dheehan heerkulka ahaa hoose ee ilbiriqsi toban derejo. Goobooyin ahaayeen sidaas u weyn in ay ahbaa tsunami yar in daadadku gobollada koonfurta. Oo ah waqooyiga dalka ceeryaanta sunta qabow cuduradaas oo ay weheliyaan dooxooyinka, keeno dhimasho wax nool oo dhan.

Haddaba Lake Nyos in Cameroon u muuqataa arrin fiican iyo picturesque. Laakiin dalxiisayaal halkan category ka mid ah oo kaliya iman. Waxay yihiin kuwa jecel yihiin in ay "xanxantayn". Ka dib oo dhan, cabbirka biyo cusub ka dhigay sanadkii 1992, waxay muujisay in CO ₂ mar kale bilaabay inuu u dhaqmo ee layers hoose ee u gudubno. Bal yaa og waxa horumariyo doonaa xaaladaha dabiiciga ah, iyo ma bilaabi doonto haddii habka kiimikaad dilaaga ah ee mustaqbalka dhow?