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Isostatic rebound tshwm sim nyob qhov twg?

Cov txheej txheem:

Isostatic rebound tshwm sim nyob qhov twg?
Isostatic rebound tshwm sim nyob qhov twg?

Video: Isostatic rebound tshwm sim nyob qhov twg?

Video: Isostatic rebound tshwm sim nyob qhov twg?
Video: AGU Student Video Contest 2013: Rebound: An Earth Story 2024, Tej zaum
Anonim

Qhov kev ntsuas loj tshaj plaws ntawm isostatic lossis postglacial rebound nyob rau hauv North America tshwm sim nyob rau hauv the Richmond Gulf cheeb tsam ntawm sab qab teb sab hnub tuaj Hudson Bay (txawm tias qhov twg cov dej khov yog tuab tshaj).

Puas isostatic rebound tseem tshwm sim?

Ontario: Lub Geology ntawm Isostatic Rebound - Nce toj av

Thaum cov dej khov yaj, thiab qhov hnyav ntawm cov dej khov ploj lawm, thaj av pib nce lossis rov qab los. Txoj kev tseem tab tom tshwm sim hnub no, kwv yees li 15,000 xyoo tom qab lub hnub dej khov kawg pib xaus.

isostatic rebounding yog dab tsi?

Isostatic rebound (tseem hu ua continental rebound, post-glacial rebound lossis isostatic adjustment) yog nce ntawm thaj av loj uas tau ntxhov siab los ntawm qhov hnyav ntawm cov ntawv dej khov thaum lub caij ntuj sov kawg.

Puas yog North America nce?

Txawm hais tias cov dej khov rov qab los ntev dhau los, North America tseem nce siab qhov twg cov txheej txheem dej khov loj tau thawb nws mus Teb Chaws Asmeskas East Coast thiab Great Lakes cheeb tsam-ib zaug ntawm qhov bulging ntug, los yog forebulge, ntawm cov dej khov txheej thaum ub - tseem maj mam poob los ntawm forebulge collapse.

Cov txheej hauv ntiaj teb koom nrog kev hloov kho isostatic?

6.1 isostatic equilibrium. Isostasy yog qhov sib npaug nruab nrab ntawm lub ntiaj teb lub crust thiab nws lub tsho sab sauv, uas cov khoom uas lub crust yuav tsum muaj nyob rau hauv equilibrium.

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