Video: Dab tsi yog dai hav hauv geography?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A dai hav yog ib pab hav uas siab tshaj lub ntsiab hav . Lawv feem ntau txuam nrog U-shaped hav thaum ib tug tributary glacier ntws mus rau hauv lub glacier ntawm loj ntim.
Hais txog qhov no, dab tsi yog lub hanging hav thiab nws tsim li cas?
Dai hav yog tsim raws li qhov tshwm sim ntawm kev yaig los ntawm glaciation. Cov hav xav tias yog lawm tsim los ntawm ob qhov sib txawv glacier ntws uas cuam tshuam nrog ib leeg. Lub glacier nrog cov khoom me me ntws mus rau hauv lub ntsiab glacier nrog cov khoom siv glacial ntau dua.
Qhov thib ob, qhov twg yog lub hanging hav? Lub hav dai yog ib lub kwj hav ntiav carved los ntawm ib tug me me glacier thiab yog li qhov nce ntawm lub hav pem teb yog "dai" siab tshaj qhov siab ntawm lub hav pem teb carved los ntawm lub loj glacier. Lub hanging hav nyob rau sab saum toj txoj cai yees duab nyob rau hauv Glacier National Park muaj ib tug dej tsaws tsag hu ua Bird Woman Falls.
Cia li saib qhov no, dab tsi ua rau lub hav dai?
A dai hav tuaj yeem tsim thaum qis dua hav muaj tus nqi ntau dua ntawm kev yaig. Qhov no tuaj yeem yog ua rau los ntawm 2 glacier ntws, ib qho pub rau lwm tus. Qhov no kuj yuav yog ua rau los ntawm kev khiav dej ntau dua hauv qab hav los yog mos pob zeb txheej uas erode sai dua.
Yuav ua li cas glaciers tsim dai kwj ha?
Raws li dej khov txav downhill lawv hloov V-shaped hav hauv U-shaped hav los yog glacial troughs. Dai hav yog tsim qhov twg me dua hav ntsib lub ntsiab glaciated hav . Cov dej khov hauv qhov me me hav yog tsis muaj zog, yog li lawv tsis erode xws li tob hav.
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