Puas yog peb nyob rau lub sijhawm interglacial?
Puas yog peb nyob rau lub sijhawm interglacial?

Video: Puas yog peb nyob rau lub sijhawm interglacial?

Video: Puas yog peb nyob rau lub sijhawm interglacial?
Video: [HD] Kristine Xiong Lub Sijhawm with Lyrics 2024, Hlis ntuj nqeg
Anonim

Lub ntiaj teb yog tam sim no nyob rau hauv ib qho interglacial , thiab lub xeem glacial lub sij hawm xaus li 10,000 xyoo dhau los. Txhua yam uas tseem tshuav ntawm cov ntawv dej khov nab kuab yog Greenland thiab Antarctic ice sheets thiab me glaciers xws li ntawm Baffin Island.

Yog li ntawd, lub sijhawm interglacial tam sim no yog dab tsi?

Ib lub sijhawm interglacial (los yog lwm yam interglacial , interglaciation ) yog ib lub sij hawm geological ntawm warmer ntiaj teb no qhov nruab nrab kub nyob rau ntau txhiab xyoo uas cais sib law liag glacial. lub sij hawm nyob rau hauv lub caij ntuj sov. Cov tam sim no Holocene interglacial pib thaum kawg ntawm Pleistocene, txog 11,700 xyoo dhau los.

Tsis tas li ntawd, peb puas tseem nyob hauv Pleistocene? Cov ntsiab lus ua los ntawm Pleistocene Epoch: Thaum saib ntawm lub sijhawm lab xyoo, peb yog tseem nyob rau lub sijhawm glacial uas lub ntiaj teb yog oscillating ntawm glacial thiab interglacial tej yam kev mob. Peb yog tam sim no Nyob rau hauv lub caij ntuj sov interglacial, hu ua Holocene Epoch, uas pib txog 15,000 xyoo dhau los.

Ib yam li ntawd, koj tuaj yeem nug, lub sijhawm interglacial yuav kav ntev npaum li cas?

Tsis muaj leej twg paub tseeb. Hauv Dab Ntxwg Nyoog Hole, Nevada, paleoclimate record, the kawg plaub interglacials kav ntev tshaj li ~ 20,000 xyoo nrog rau qhov sov tshaj plaws yog qhov ruaj khov lub sij hawm ntawm 10,000 txog 15,000 xyoo ntev.

Puas yog peb dhau sijhawm rau lub hnub nyoog dej khov?

Nyob rau hauv cov nqe lus ntawm ebb thiab ntws ntawm lub ntiaj teb kev nyab xeeb nyob rau hauv lub chav kawm ntawm nws keeb kwm, tom ntej no Ice Age tab tom pib saib dhau sijhawm . Lub sijhawm nruab nrab tsis ntev los no Ice Age , los yog 'interglacials', qhov nruab nrab yog nyob ib ncig ntawm 11 txhiab xyoo, thiab tam sim no yog 11,600 txij thaum lub caij ntuj no ntau txhiab xyoo dhau los.

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