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Adeegga Cimilada: Baddii Ismiidaaminta oo ka soo buux dhaaftay dusha sare, laakiin 'ma jirto wax calaamad ah oo muujinaysa in la sii daayay waqtigan'

"Hadda waa waqtigii la bilaabi lahaa u diyaargarowga saameynta daadadka ee ka dhalan kara harada iyo webiga Mendenhall."
Basin Ismiidaamin ah ayaa bilowday inay ka dul marto dusha sare ee biyo-xireenkeeda barafka, dadka ka soo jeeda Mendenhall Glacier-ka ayaa la filayaa inay isu diyaariyaan saameynta daadadka, laakiin ma jirin wax calaamad ah oo muujinaya in biyo laga soo daayo daadad xooggan oo dhacayay subaxnimadii Jimcaha, sida ay sheegeen mas'uuliyiinta Adeegga Cimilada Qaranka ee Juneau.

Dooxadan, oo la soo saarayay sanad walba oo loo yaqaan jökulhlaups tan iyo 2011, ayaa buuxsantay "dhibic biyo ah oo la mid ah biyaha buux dhaafiyay biyo-xireenka barafka ayaa la ogaaday subaxnimadii Khamiista," sida laga soo xigtay bayaan ay soo saartay NWS Juneau oo la soo saaray 11-kii subaxnimo Khamiistii bogga internetka ee la socodka Suicide Basin. Bayaanka ayaa lagu xusay inay qaadatay lix maalmood laga bilaabo markii dooxu buuxsamay ilaa sii deynta ugu weyn ay dhacday sannadkii hore.

"Marka la ogaado caddaynta daadad barafaysan oo hooseeya, Digniin Daadad ayaa la soo saari doonaa," ayaa lagu xusay bayaanka.

Warbixin la daabacay 9-kii subaxnimo ee Jimcihii ayaa lagu sheegay in "xaaladda aysan is beddelin" maalintii la soo dhaafay.

Andrew Park, oo ah khabiir ku takhasusay saadaasha hawada oo ku sugan saldhigga oo ku yaal meel u dhow barafka, ayaa wareysi uu siiyay Khamiistii subaxnimadii ku sheegay in daadashada biyuhu "aysan macnaheedu ahayn in sii dayntu ay hadda socoto."

"Taasi waa fariinta ugu weyn - inaan ka warqabno inay tahay taas oo aan u taagannahay macluumaad dheeraad ah," ayuu yiri.

Si kastaba ha ahaatee, dadka ku nool aagga "hadda waa waqtigii la bilaabi lahaa u diyaargarowga saameynta daadadka," ayaa lagu sheegay bayaan ay soo saartay NWS Juneau.

Ilaa subaxnimadii Khamiista, heerka biyaha ee Wabiga Mendenhall wuxuu ahaa 6.43 cagood, marka la barbar dhigo qiyaastii afar cagood bilowgii sii deynta sannadkii hore. Laakiin Park wuxuu sheegay in qodobka ugu muhiimsan ee darnaanta daadadka sanadkan uu noqon doono sida ugu dhakhsaha badan ee biyuhu uga daataan meesha biyo-xireenka marka biyo-xireenka barafku jabo.

"Haddii aad qabto daadasho yar runtii dhib ma aha," ayuu yiri. "Laakiin biyahaas oo dhan isla markiiba waad la kulmi doontaa dhibaatooyin waaweyn."

Sahanka Juqraafiga ee Mareykanka ayaa qalab cusub oo la socodka ah ku rakibay buundada Wabiga Mendenhall ee ku taal Back Loop Road subaxnimadii Khamiista si ay gacan uga geysato hagitaanka diyaargarowga sii deynta ee Basin-ka Isdilka. Sannadkii hore markii siideynta biyaha ee ugu dambeysay ay dhacday Agoosto 5, USGS waxay ku tiirsanayd oo keliya cabbirka durdurka ee Mendenhall Lake.

Randy Host, oo ah khabiir ku takhasusay biyaha oo ka tirsan USGS, ayaa sheegay in cabbirka xawaaraha uu u oggolaan doono kormeer dheeraad ah oo lagu sameeyo biyaha daadadka ah ee dhex mara webiga.

"Waxay sameyn doontaa masraxa, waxa aan ugu yeerno dhererka gage, sida inta uu webigu sarreeyo," ayuu yiri. "Kadibna waxay sidoo kale sameyn doontaa xawaaraha dusha sare. Waxay cabbiri doontaa sida ugu dhakhsaha badan ee biyuhu ugu jiraan dusha sare."

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Inta badan Webiga Mendenhall hadda waxaa ku yaal dhagaxyo si loo ilaaliyo dhismayaasha ka dib markii daadadkii sannadkii hore ay si xun u burburiyeen daadadka webiga. Daadadku waxay qayb ahaan ama gebi ahaanba burburiyeen saddex guri iyo in ka badan saddex darsin oo guryo kale ah ayaa la kulmay burbur kala duwan.

Amanda Hatch, oo gurigeeda ay ku fataheen siddeed inji oo biyo ah oo ku jiray meesha gurguurta ah sannadkii hore, ayaa sheegtay in dib-u-habayn weyn oo lagu sii ilaalinayo guriga qoyskeeda la dhammaystiray.

"Aad uma walwalsanin sababtoo ah waxaan guriga kor u qaadnay afar cagood," ayay tiri. "Laakiin waxaan haysannaa gaari koronto ku shaqeeya, marka haddii uu daadad ku fataho waxaan gaariga u rari doonnaa waddada ilaa guriga saaxiibkay. Laakiin waan diyaarsannahay."

Hatch ayaa sheegtay in meesha gurguurta ee guriga sidoo kale la xoojiyay si looga ilaaliyo daadadka. Waxay sheegtay in caymisku uusan dabooli burburkii sannadkii hore, laakiin gargaarka masiibooyinka iyo maalgelinta laga raadiyay Ururka Ganacsatada Yaryar ee federaalka ayaa gacan ka geystay suurtogalnimada dayactirka iyo casriyeynta.

Intaa ka sokow, Hatch wuxuu yiri, ma jiraan wax badan oo la qaban karo marka laga reebo la socodka waxa dhacaya.

"Ma jirto wax sheegaya sida ay wax noqon doonaan, sax?" ayay tiri. "Way ka sarreyn kartaa. Way ka yaraan kartaa. Way ka gaabisnaan kartaa. Waa inaan sugnaa si aan u aragno. Waan ku faraxsanahay in liiskeennu dhammaaday sidaa darteed runtii uma baahnin inaan ka walwalno."

Marty McKeown, oo gurigiisa uu soo gaaray burbur ballaaran oo ka tagay god yar oo ku yaal qaybta hoose ee qolka fadhiga, ayaa sheegay inuu wali dayactir ku sameynayo guriga iyo sidoo kale barxadda biyaha ka soo daatay - marka laga reebo amaahda SBA ma uusan helin gargaarkii uu ka filayay magaalada ama hay'adaha kale ee dowladda. Wuxuu sheegay inuu qabo "walaac aad u sarreeya" oo ku saabsan xaaladda hadda jirta, laakiin ma argagaxayo isagoo la socda xaaladda barkadda.

"Waxaan daawan doonnaa webiga oo tallaabo ayaan qaadi doonnaa haddii loo baahdo," ayuu yiri. "Ma bilaabi doono inaan ka guuro gurigayga. Waqti ayaan heli doonnaa haddii wax dhacaan."

Rikoor cusub oo roob ah bishii Luulyo ayaa laga sameeyay Juneau bishii la soo dhaafay, iyadoo warbixin hordhac ah ay muujinayso 12.21 inji oo roob ah oo ka da'ay Garoonka Caalamiga ah ee Juneau marka la barbar dhigo heerkii hore ee ahaa 10.4 inji sanadkii 2015. Waxaa jiray roobab la qiyaasi karo dhammaan labada maalmood ee bisha marka laga reebo, oo ay ku jiraan 0.77 inji oo la cabiray Arbacadii.

Saadaasha ilaa horraanta usbuuca soo socda waxay ku baaqeysaa in cirka la nadiifiyo oo meelaha ugu sarreeya ay gaaraan 70-meeyadii.

Robert Barr, oo ah ku xigeenka maareeyaha magaalada ee Magaalada iyo Degmada Juneau, ayaa sheegay in roobabka xooggan ee ka da'ay Juneau ay walaac ku abuurayaan sababtoo ah marka wabigu sarreeyo, waxaa yar meel bannaan oo lagu sii daayo biyaha si loo buuxiyo wabiga. Wuxuu sheegay in CBJ ay maalin walba ka hesho warbixinnada xaaladda NWSJ.

"Waxay na siinayaan qiyaastooda ugu fiican ee ku saabsan sida jökulhlaup u ekaan lahaa heerarka kala duwan ee la sii daayo haddii la sii daayo waqtiga warbixintaas," ayuu yiri. "Markaa galab kasta waan helnaa taas. Asal ahaan waxa ay taasi noo sheegaysaa waa haddii jökulhlaup uu hadda sii daayo, 20% ilaa 60% wadarta mugga ee Suicide Basin, waa kan sida jökulhlaup u ekaan lahaa. Haddii ay sii dayso 100% mugga Suicide Basin - kaas oo sannadkii hore ay sii daysay 96% - waa kan sida jökulhlaup u ekaan lahaa. Haddana haddii ay sii dayso 100% waxay ka sii xumaan lahayd sannadkii hore."

Barr ayaa sheegay in barkaddu aysan inta badan sii deyn 100%. Sannadkii hore waxay ahayd mugga ugu badan ee barkaddu ay hal mar sii daysay. Laakiin ma jirto si loo ogaado sida ugu dhakhsaha badan ee biyuhu u sii dayn doonaan.

Fadlan guji xiriirka hoose si aad u hesho faahfaahin dheeraad ah

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Waqtiga boostada: Oktoobar-08-2024