[?????????-VI(??)] ??? ????”????”????????? ??? ???? ???????????????????????????????????????????(???? - Gulf Stream). ????????????????????????. ????????????????????????????. ???????????????????????????????(Yucatan)?????????????, ?????????????????????????. ????????????????????(Ekman Transport)?????????(Grand Bank)?????????????????????????????????????????????????????, ??????????????????Canary)???????. ????200?500?, ???2.05?/?. ?????????????, ??????????????(Kuroshio Current)?1.5?. ????????????????3,000????(30?????-Sv). ??????????????????150Sv. ??????8?19oC (46.4 to 66.2oF)????35.10‰?36.70‰.????????????????????????????????. ??????????????(NADW)????????????(Great ocean Conveyor Belt)??????????????????(ACC)???????????. Pettit????????2022?1?4?)?”BBC???”????????(BBC, ??“????”?????????????, 2020?9?12?). ??????Great Ocean Conveyor Belt)??????, ?????????????????. ???????????Lamont-Doherty?????(Lamont-Doherty Earth Observatory)?Wally Broecker 1987.???????(ACC), ?????????????????????????????????????????????????????. ACC????????, ??????(??), ???(????)????(???). ACC???????????????????????????, ??????20,000???. ACC?????????????(Gyres)???. ACC???????????????????100–150??????(Sverdrups-Sv?1 Sv??1?????/?), ????????10??/??0.2??100??/??2?. ??Hoods Hole?????????????????(??Hoods Hole?????, Dive and Discovery Expeditions to the Seafloor, 2021, vol. 3, no. 21). ACC???????????????135 Sv????????????????? 135?. ?????????????????????????147 Sv??. ?????????????????????????????????????????????. ACC???????????. ACC?????????Edmond Halley?1699-1700?HMS Paramour?????????????????????. ????????????????????????????????????????6? 1, ?????????ACC?????20,000?????200???, ????????????(???????). ??????????????????????????????????0.09-0.15????0.53m/S???)????. ????????????????????????????????????? ?????????/?=m/S) 2, ?????8???????????(Amery)??????????. ???????????????ACC???????????????????, ???2002??2010??????????600????. BBC?????????????????????????????????????????????????? 2???????????????????????????. ?????Richard Alley?????????????????????????????????(?Peter Sinclair, Can shearing of Thwaites glacier slow or stop if humans control greenhouse gas emissions? Yale Climate Connections, Nov. 20, 2020). ??????????????????????????????????. 4, ACC????2000-4000????2000???????1-5???, ???????????400???????2???, ?????????????????????????????AUV????????1.5-2???????????ACC???????. ?????????????????ACC??????????????????????????????? 5???????????????????????????1-2???. ????????AUV??????2???????“???”??????????????????????, ?????????????AUV??????3-4??????. ???????????1-2??????????????????. ???????????????????????????AUV???????????(Eastern Ice Shelf - EIS)?????????????????????????(Wahlin?, Science Advance, 2021, vol. 7, no. 15). ?????EIS???????????????????? 6, ????????CTVNews?2018?4?11???????????????(??????)????????????. ??????????????????????????????????????????????????????????????????????????????????. ???????????????(ACC), ??????????????????????. ????????ACC????????????????????. ?????????????????? ??, ??6??????????????????????????????????. ??????????????????????????????. ???????????????????????????????????????????????????????? ????? ??????1982?12????????????????????(Lamont-Doherty Geological Observatory)??????????1984????????Vanderbilt ??????????????; ?1987??2013??????????????????????????????????????????????????????????1991????????????????(Dalhousie)?????1996?????????????????1996-1999??????????????????? (NSF) ???????1993-1996??????????????? Izaak Walton Killam ??????1994???????? (GSA) ??????1993?????????????Cushman ???????1991-1993???????????????????1991-1996?????????? 1997????Anger???????????2000??????????????”??????”???????????????????????? ???????????????????????? ?????????????”?????”??, ??1988, 438pp; ???????Springer-Verlag ?????, ??, 1985, 370pp. 1985-1986????????“??”??? ?”?????”1988??????????16????????????. ????? ”Micropaleontology”1995?????????????(Oligocene)??????????(Protentelloides) ?????(Protentelloides primitiva ?Protentelloides dalhousiei). ????20?????????????, ?Palaios,Deep Sea Research, Marine Micropaleontology, Micropaleontology, Paleoceanography, Geology, Oceanography Acta Sinica?.???????????????20??. |