Formation, Sayniska
Maxaad u Khasaaray Lake ee Oregon baaba'aa sanad kasta
Badiyay Lake, oo ku yaalla ka Forest Reserve "Mount Hood" (AMA) - taasi waa wax qarsoon dhabta ah ee dabiiciga ah. In xilli qaboobaha, waxa ay u muuqataa sida wax soo diyaariyeen kale badan oo biyo nadiif ah. Laakiin marka ay qalalan iyo diiran, biyaha baaba'aa iyo baddii 85 acre ah beddelay oo berrin bannaan sawiro ah. Waxaa soo baxday in ay jirto sharaxaad cilmiyaysan for Sixirbaa kani dabiiciga ah: biyo si fudud u durduraya ee tunnel dhulka hoostiisa, aasaasay in qulqulka dhagax dab aad u gaboobay.
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Dzhud Makhyu, Afhayeenka Uillamettskogo National Forest ee Oregon, ayaa sheegay in Khasaaray Lake wuxuu bilaabaa inuu buuxiyo dayrta, inta lagu guda jiro xilli-roobaadka. Roobabka waqtigan dhaco badan, iyo tunnel dhagax dab leeyahay dhexroor ah oo ku saabsan 2 mitir, sidaas darteed mar biyaha oo dhan uusan haysan waqti in uu ka tago gudubno. Sidaas darteed, waxa ay u muuqataa in u gudubno, si qoto dheer ee taas, iyadoo jidka ag fadhida, wuxuu ku saabsan yahay 50 mitir, waxaa ka buuxsamay, inkastoo qaar ka mid ah oo biyo ah waxaa si joogto ah iyo Wabiyadan socota baxay tunnel. Tani waxay sii xilli guga, marka barafka dhalaalayaa ee buuraha. Laakiin sida ugu dhakhsaha badan ilaha dibadda (roobka iyo biyo dhalaali) joojin in ay ku quudiyaan balli, tube dhagax dab ma ay shaqada, iyo Khasaaray Lake baaba'aa.
weli Qubarada ma dhab dhihi karaa meesha biyaha tagaa. Waxaa la xiqiijiyay in biyaha Oodweyne ku dhex dhagaxa furan Kobenhagen, ka dibna galo nidaamka dhulka. Cascade Mountains - laf ka kooban marno qadiimiga ah iyo buuraha dhaadheer - fidiyey guud ahaan gobolka oo dhan ee Oregon, sidaas darteed waxaa jira sugnan dhagax dab - taasi waa ugu badan. Laakiin midkoodna ma la odhan karaa waa sidii cajiib ah sida mid ka mid ah ku yaal Lake Khasaaray ah.
Sida sugnan dhagax dab qabanqaabiyey?
sugnan noocan oo kale ah loo sameeyay marka dhagax dab miiro ka channels badan hal il weyn oo kaliya sida webiyo badan ayaa isugu webiga weyn. In geeddi-socodka of dhagax dab qarashgareeyo karaa dhulka oo uu bilaabo inuu barafoobin. Sayidka, labada dhinac ee socodka loo sameeyay derbiyada adag bedesheen magma. Dhagax dab sii wadaan in ay ka duuli ee Dhanka kale, kaas oo la Ulasocto nabaad guurka ciidda. Sidaas darteed, soo channel qoto dheer oo kordhay. Dhamaadka channel ka sameeyay by qolof ah - nooc ka mid ah tunnel xafiiltamaan. Iyo tunnel this waligiiba qaab waqti dheer ka dib markii dhagaxa la shubay dayn inay soo qulquli dhex.
kala duwan oo ka mid ah qaabab iyo qiyaaso of sugnan dhagax dab
sugnan dhagax dab kala duwan size. Qaar ka mid ah iyaga ka mid ah ay yihiin oo kaliya 30 cm dhexroor, halka qaar kalena ay yihiin si weyn in ay nin toosin karo in uu height buuxa. Ma aha la yaab leh in sugnan oo kale waa mid aad u jeclaan of safraya adventurers iyo reyreyn. The channels dheer iyo qotada dheer loo arki karaa in Hawaii uurada National Reserve, halkaas oo ay jiraan 2 marno firfircoon: Kilauea (mid ka mid ah marno ugu firfircoon ee dunida) iyo Mauna Loa (mid ka mid ah marno ugu weyn dunida oo dhan, la aasaasay dhulka ee kor ku xusan).
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