Ib crevasse yog qhov sib sib zog nqus, qhib qhov qhib hauv cov dej khov loj hu ua glacier. Crevasses feem ntau tsim nyob rau hauv saum toj 50 meters (160 ko taw) ntawm lub glacier, qhov dej khov nkig.
Leej twg yog lub qhov dej khov tsim?
Glaciers yog tsim los ntawm daus uas, ntau xyoo, compresses rau hauv loj, thickened ice masses. Glaciers tsim thaum daus tseem nyob hauv ib qhov chaw ntev txaus los hloov mus ua dej khov.
Puas muaj ntau hom crevasses?
Type of crevasses
Longitudinal crevasses form parallel to flow where theglacier width is expanding. Lawv loj hlob nyob rau hauv cov cheeb tsam ntawm tensile kev nyuaj siab, xws li qhov twg lub hav widens los yog khoov. … Cov crevasses stretches hla lub glacier hla mus rau txoj kev ntws, los yog hla-glacier.
Yuav ua li cas koj txheeb xyuas cov crevasses?
3 Txoj hauv kev pom Crevasse
- Crevasses ua rau ntxoov ntxoo hauv dej khov. Yog hais tias lub glacier tsuas muaj ib txheej nyias nyias, lossis tsis muaj daus, feem ntau koj tuaj yeem pom cov duab ntxoov ntxoo no.
- Thaum daus los ntawm cua, nws tseem yuav tsaws txawv ntawm ntug dej hiav txwv. …
- Crevasses feem ntau npog los ntawm txheej nyias ntawm cov dej khov lossis daus.
Yuav ua li cas yog tias koj poob rau hauv qhov crevasse?
Tus neeg raug tsim txom yuav raug mob thiab / lossis tsis txaus ntseeg los ntawm lub caij nplooj zeeg, cov neeg cawm siav ntawm qhov chaw yuav ntxhov siab lossis tsis paub meej, cov khoom siv thiab cov hlua tau tawg mus thoob qhov txhia chaw, thiab txhua tus yuav zoo li twb qaug zog lawm thiabua pa vim kev nce toj thiab qhov siab.