Video: Dab tsi yog cov khoom ejected los ntawm lub roob hluav taws?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Peb hom pib ntawm khoom : gas, lava, andtephra. Gas yog, zoo, gas. Feem ntau CO, CO2, SO2, H2S, thiab dej vapor. Qee qhov no tuaj yeem nkag mus rau hauv cov huab cua hauv ib daim ntawv uas tsis yog cov pa roj: aerosols yog ua los ntawm cov khoom me me ordroplets tshem tawm hauv huab cua (xws li cov xim pleev xim los ntawm lub kaus poom, lossis zoo li fog).
Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog cov khoom ejected thaum lub sij hawm volcanic eruption?
Tshauv, Lapilli, Lava Blocks. Muaj ntau hom pyroclastic cov khoom ejected thaum lub sij hawm ib volcanicruption . Tshauv yog cov pob zeb pyroclastic tshaj plaws materialjected thaum lub sij hawm ib tawg.
Ib tug kuj nug, dab tsi yog cov ntaub ntawv nyob rau hauv lub roob hluav taws? Volcano . A roob hluav taws yog lub qhov nyob rau hauv lub ntiaj teb saum npoo los ntawm uas magma (hu ua lava thaum nws ncav cuag lub ntiaj teb saum npoo), cov roj kub kub, cov tshauv, thiab cov pob zeb tawg tawm ntawm qhov tob. sab hauv lub ntiaj teb. Lo lus roob hluav taws kuj yog siv los piav txog lub cone ntawm erupted khoom (lava thiab tshauv) uas tsim nyob ib ncig ntawm qhov qhib.
Ib sab ntawm qhov no, dab tsi yog peb hom khoom tseem ceeb uas tawm ntawm lub roob hluav taws?
Muaj peb hom loj ntawm roob hluav taws -composite los yog strato, ntaub thaiv npog thiab dome. Composite roob hluav taws , qee zaum hu ua strato roob hluav taws , yog ntxhab sided conesformed los ntawm txheej ntawm tshauv thiab [lava] ntws.
Dab tsi los ntawm lub roob hluav taws?
Feem ntau roob hluav taws muaj a roob hluav taws crater nyob rau saum toj. Thaum a roob hluav taws yog active, cov ntaub ntawv tuaj tawm ntawm nws. Cov ntaub ntawv muaj xws li lava, chav, gaseous sulfur compounds, tshauv thiab tawg pob zeb. Thaum muaj siab txaus, lub roob hluav taws tawg.
Pom zoo:
Lub ntsiab txhais ntawm lo lus hluav taws xob hluav taws xob yog dab tsi?
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Lub co2 hluav taws tua hluav taws puas ua haujlwm ntawm hluav taws kub oxidizer?
Lub tshuab tua hluav taws xob carbon dioxide tsis yog qhov kev xaiv zoo rau kev tua hluav taws oxidizer vim nws ua haujlwm ntawm lub hauv paus ntsiab lus ntawm kev tsis suav nrog cov pa oxygen, thiab cov pa oxygen atmospheric tsis xav tau rau hluav taws kub oxidizer. Cov tshuaj tua hluav taws qhuav qhuav kuj tseem yuav siv tsis tau rau feem ntau