Lawv lub hauv paus ntsiab lus dag nrog Charles Hutton Charles Hutton Charles Hutton FRS FRSE LLD (14 Lub Yim Hli 1737 - 27 Lub Ib Hlis 1823) yog ib tus kws ua lej Askiv thiab tus kws tshawb fawbNws yog tus xibfwb qhia lej ntawm tus lej. Royal Military Academy, Woolwich los ntawm 1773 txog 1807. https://en.wikipedia.org › wiki › Charles_Hutton
Charles Hutton - Wikipedia
, tus kws lej Askiv Askiv uas nws xav tau 1774 daim ntawv tshawb fawb ntawm Scottish ncov hu ua Schiehallion cim lawv thawj qhov kev siv. Daim ntawv qhia ntawd tau ploj mus rau keeb kwm, tab sis nws cov kab kos qub thiab cov lus ntawm cov ntsiab lus tshawb fawb tsis yog.
Leej twg ua daim duab qhia chaw?
Lub tswv yim ntawm cov kab contour los qhia qhov sib txawv ntawm daim duab qhia tau tsim los ntawm tus kws tshaj lij Fab Kis Fab Kis J. L. Dupain-Triel hauv xyoo 1791. Txawm hais tias txoj kev no tau tso cai rau qhov tseeb ntawm thaj av contours thiab qhov siab ntawm daim duab qhia chaw tiaj tus, ob sab, nws tsis tau siv dav mus txog thaum nruab nrab-1800s.
Thaum twg yog thawj daim duab qhia chaw kos?
Teb Chaws Asmeskas Geological Survey (USGS) tau tsim nws thawj daim duab qhia chaw nyob hauv 1879, tib lub xyoo nws tau tsim. Niaj hnub no, ntau tshaj 100 xyoo thiab ntau lab daim ntawv theej tom qab, daim ntawv qhia saum toj kawg nkaus tseem yog qhov tseem ceeb rau USGS.
Daim duab qhia chaw thaj chaw tau tsim li cas?
Nyob rau lub xyoo pua puv 19, cov kws tshawb fawb tau tsim cov duab qhia chaw nyob hauv thaj chaw. Lawv ntsuas cov ntsiab lus hauv thaj teb,siv daim kab xev thiab kev sib txuas nrog kev nce siab txiav txim siab nrog lub ntsuas ntsuas aneroid thiab siv hauv cov txheej txheem hu ua daim teb kos duab kos duab sawv cev siv contours.
Vim li cas daim duab qhia chaw thaj chaw tsim?
daim duab qhia chaw thaj chaw, tseem hu ua cov phiaj xwm dav dav, yog kos ntawm cov nplai loj heev. Cov duab qhia chaw no qhia txog tej yam tseem ceeb ntawm tej yam ntuj tso thiab kev coj noj coj ua xws li kev nyem, nroj tsuag, dej hauv av, cog qoob loo, chaw nyob, thiab kev thauj mus los, thiab lwm yam.
