Great Blue Hole piav qhia thiab duab - Belize: Belize Barrier Reef

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Great Blue Hole piav qhia thiab duab - Belize: Belize Barrier Reef
Great Blue Hole piav qhia thiab duab - Belize: Belize Barrier Reef

Video: Great Blue Hole piav qhia thiab duab - Belize: Belize Barrier Reef

Video: Great Blue Hole piav qhia thiab duab - Belize: Belize Barrier Reef
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Great Blue Qhov
Great Blue Qhov

Nqe lus piav txog kev nyiam

Qhov Great Blue Hole yog qhov loj heev, ib txwm tshwm sim hauv qab qhov dej zoo nyob ntawm ntug dej hiav txwv ntawm Belize. Nws nyob hauv qhov chaw nruab nrab ntawm Lighthouse Reef, 70 km ntawm ntug dej hiav txwv ze tshaj plaws thiab lub nroog Belize City.

Lub qhov ntawm cov duab tsis tu ncua - ntau dua 300 m dav thiab 124 m sib sib zog nqus - tau tsim thaum lub sijhawm ob peb ntu ntawm Quaternary glaciation, thaum dej hiav txwv qis dua. Kev tshuaj xyuas ntawm stalactites pom hauv Great Blue Hole qhia tias nws tau tsim nyob rau theem - 153 txhiab, 66 txhiab, 60 txhiab thiab 15 txhiab xyoo dhau los. Lub qhov tsua raug dej nyab vim qhov nce ntawm thaj tsam dej hiav txwv.

Qhov Great Blue Hole yog qhov chaw ntawm ntau tus Belizean reefs thiab yog UNESCO World Heritage Site. Qhov chaw no tau tshawb fawb los ntawm Jacques-Yves Cousteau thiab muaj npe ib ntawm kaum qhov kev sib tw dhia saum toj kawg nkaus hauv ntiaj teb. Xyoo 1971, Cousteau tau nqes mus rau hauv qhov taub ntawm Calypso submarine los txiav txim siab qhov tob. Kev tshawb fawb los ntawm qhov kev ntoj ke mus kawm no tau lees paub keeb kwm karst ntawm cov pob zeb tsim nyob hauv plaub theem, nrhiav txoj phuam ntawm qhov tob ntawm 21 m, 49 m, thiab 91 meters. Cov stalactites tau rov qab los ntawm lub qhov dej nyab thiab lawv qhov kev tshuaj xyuas tau lees paub tias yog thawj lub qhov av tsim saum toj no hiav txwv.

Tam sim no nws yog qhov chaw nrov ntawm cov neeg ua si dhia dej, yog lub sijhawm zoo rau dhia mus rau hauv cov dej ntshiab thiab ntsib cov tsiaj tsis tshua muaj, ntses ib tag hmo parrots, thiab Caribbean reef shark. Lwm hom sharks qee zaum tshwm sim hauv cov chaw no - bull shark thiab hammerhead ntses. Kev dhia dej hauv Qhov Great Blue Hole thaum dej nyab siab ua rau muaj kev phom sij loj, vim tias muaj zog eddies tsim rau saum npoo, thiab geysers tawg ntawm cov dej qis. Kev sau npe rau kev dhia dej tsuas yog ua yog tias koj muaj qhov tsim nyog tau txais.

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