Inge Lehmann mus kawm ntawv nyob qhov twg?
Inge Lehmann mus kawm ntawv nyob qhov twg?

Video: Inge Lehmann mus kawm ntawv nyob qhov twg?

Video: Inge Lehmann mus kawm ntawv nyob qhov twg?
Video: Geo Boys (Lehmanns Sønner) - Inge Lehmann (lyric video) 2024, Kaum ib hlis
Anonim

University of Cambridge

Copenhagen University

Yog li ntawd, Inge Lehmann ua haujlwm nyob qhov twg?

Xyoo 1928, Lehmann tau raug xaiv los ua tus thawj coj ntawm Lub Tsev Haujlwm Saib Xyuas Seismology ntawm Royal Danish Geodetic Institute, nrog lub luag haujlwm rau kev khiav haujlwm ntawm Copenhagen, Ivigtut, thiab Scoresbysund seismographic soj ntsuam.

Tsis tas li ntawd, qhov kev tsis sib haum xeeb ntawm Lehmann nyob qhov twg? Ob tug ciam teb cheeb tsam, los yog kev tsis sib haum xeeb , npe rau nws: ib Lehmann discontinuity tshwm sim ntawm lub ntiaj teb sab hauv thiab sab nraud ntawm qhov tob ntawm kwv yees li 5, 100 km (kwv yees li 3, 200 mais), thiab lwm qhov tshwm sim ntawm qhov tob ntawm kwv yees li 200 km (kwv yees 120 mais) hauv qab lub ntiaj teb saum npoo ntawm lub mantle.

Tom qab ntawd, ib tug kuj yuav nug, Inge Lehmann yug nyob qhov twg?

Østerbro, Tebchaws Denmark

Inge Lehmann nrhiav tau lub hauv paus hauv paus li cas?

Ib Lehmann yog ib tug Danish lej. Nws tau ua haujlwm ntawm Danish Geodetic Institute, thiab nws tau nkag mus rau cov ntaub ntawv sau tseg ntawm cov chaw nres tsheb seismic thoob ntiaj teb. Nws nrhiav pom lub hauv paus ntawm lub ntiaj teb nyob rau hauv 1936. Nyob rau hauv no cov khoom ua si qauv nws ntxig ib tug lub hauv paus nyob rau hauv uas cov teeb liab yuav mus ntawm 8.8 km / s.

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