I-sonar scan yi-expedition yezenzululwazi ibonise ukuba ukuphuka kwenqanawa eyayingaziwa ngaphambili kufunyenwe imayile enye kunxweme lwaseNorth Carolina.Izinto ezenziweyo kwinqanawa etshoneyo zibonisa ukuba inokulandwa emva kwiRevolution yaseMelika.
Izazinzulu zaselwandle zafumanisa ukuntlitheka kwenqanawa ngexesha lohambo lophando kwi-Woods Hole Oceanographic Institute (WHOI) kwinqanawa yophando iAtlantis nge-12 kaJulayi.
Bafumene inqanawa etshoneyo ngelixa besebenzisa i-WHOI's robotic automatic underwater vehicle (AUV) umthumeli kunye ne-Alvin ephantsi kwamanzi.Eli qela belikhangela izixhobo zokuxhoma, ebezikuhambo lophando kulo mmandla ngo-2012.
Izinto ezafunyanwa kwingozi yenqanawa ziquka amatyathanga entsimbi, imfumba yamaplanga enqanawe, izitena ezibomvu (mhlawumbi ezivela kwiziko likakapteni), iibhotile zeglasi, iimbiza zodongwe ezingamenyezwanga, iikhampasi zentsimbi, kunye nezinye izixhobo zokuqhuba iinqanawa ezonakeleyo.Ziikota ezisibhozo okanye ezintandathu.
Imbali yokuphuka kwenqanawa inokulandwa emva ekupheleni kwenkulungwane ye-18 okanye ekuqaleni kwenkulungwane ye-19, xa iUnited States eselula yayisandisa urhwebo nehlabathi liphela elwandle.
UCindy Van Dover, intloko yeLebhu yaseLwandle yaseDuke, uthe: “Oku kukufumanisa kuchulumancisayo kwaye kusisikhumbuzo esicacileyo sokuba nasemva kokuba senze inkqubela ebonakalayo ekukwazini kwethu ukusondela nokuphonononga ulwandle Phantsi kweemeko, ulwandle luye lwazifihla iimfihlelo zalo. .”
UVan Dover uthe: “Ndikhe ndaqhuba amaphulo amane ngaphambili, kwaye sihlandlo ngasinye ndisebenzisa itekhnoloji yophando lokuntywila ukuze ndihlole ulwandle, kuquka nohambo luka-2012, apho sasisebenzisa iSentry ukuntywilisela isonar kunye nemifanekiso efotayo kwindawo eselumelwaneni.”Umnqa kukuba besicinga ukuba sijonge kumgama weemitha ezili-100 ukusuka kwindawo eyantlitheka kuyo inqanawa kwaye asizange siyifumane imeko apho. ”
"Oku kufunyenweyo kubonisa ukuba iteknoloji entsha esiyiphuhlisayo yokuhlola umgangatho onzulu wolwandle ayivelisi nje ulwazi olubalulekileyo malunga nolwandle, kodwa ivelisa ulwazi malunga nembali yethu," utshilo uDavid Eggleston, umlawuli weZiko leSayensi yaseLwandle kunye neTekhnoloji (CMAST). ).Omnye wabaphandi abaphambili kwiYunivesithi yaseNorth Carolina State kunye neprojekthi yesayensi.
Emva kokufumanisa ukuntlitheka kwenqanawa, uVan Dover kunye no-Eggstonton bazisa inkqubo yelifa lemveli yaselwandle ye-NOAA ngokufunyanwa.Inkqubo ye-NOAA ngoku iya kuzama ukulungisa umhla kunye nokuchonga inqanawa elahlekileyo.
UBruce Terrell, i-archaeologist eyintloko yeProjekthi yeLifa leMveli yaseLwandle, uthe kufuneka kwenzeke ukumisela umhla kunye nelizwe lemvelaphi yenqanawa eyaphukileyo ngokuhlola iiseramics, iibhotile kunye nezinye izinto zakudala.
UTerrell wathi: “Kumaqondo obushushu akufutshane neqhwa, umgama ongaphezu kwekhilomitha ukusuka kwindawo, engaphazanyiswa kwaye egcinwe kakuhle.”“Uphononongo olunzulu lwenzululwazi yezinto zakudala kwixesha elizayo ngokuqinisekileyo lunokusinika ulwazi olungakumbi.”
UJames Delgado, umalathisi weProjekthi yeLifa leLwandle, wachaza ukuba inkunkuma yenqanawa ihamba ecaleni komlambo, kwaye unxweme lweGulf of Mexico lusetyenziswe kangangamakhulu eminyaka njengohola wendlela yaselwandle ukuya kumazibuko akuMntla Merika, kwiCaribbean. IGulf of Mexico kunye noMzantsi Melika.
Uthe: “Oku kufunyenweyo kuyonwabisa, kodwa akulindelekanga.”"Isiphango sabangela ukuba inani elikhulu leenqanawa ziwe kunxweme lwaseCarolina, kodwa ngenxa yobunzulu kunye nobunzima bokusebenza kwindawo engaselunxwemeni, bambalwa abantu abayifumanayo."
Emva kokuba inkqubo ye-sonar ye-Sentinel ibone umgca omnyama kunye nommandla omnyama osasazekileyo, u-Bob Waters we-WHOI waqhubela u-Alvin kwindawo esanda kufunyanwa yophukelo lwenqanawa, abakholelwa ukuba inokuba sisixhobo senzululwazi.UBernie Ball weYunivesithi yaseDuke kunye neYunivesithi yaseNorth Carolina State yaseAustin Todd (u-Austin Todd) wakhwela uAlvin njengabakhi-mkhanyo bezenzululwazi.
Ingqwalasela yolu phando kukuphonononga i-ikholoji yokuvuza kwemethane kulwandle olunzulu kunxweme olusempuma.UVan Dover yingcaphephe kwi-ecology ye-ecosystem ye-ecosystem eqhutywa yikhemistri kunokukhanya kwelanga.U-Eggleston uye wafunda nge-ecology yezinto eziphilayo ezihlala phantsi kolwandle.
UVan Dover uthe: “Into esiyifumene ngokungalindelekanga ibonisa iingenelo, ucelomngeni kunye nokungaqiniseki kokusebenza kwinzulwini yolwandle.”“Safumanisa ukuba inqanawa yonakele, kodwa okothusayo kukuba, izixhobo zokubophelela ezilahlekileyo azizange zifumaneke.”
Ixesha lokuposa: Jan-09-2021