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X-WR-CALNAME:Faculty of Science and Technology | University of Macau
X-ORIGINAL-URL:https://www.fst.um.edu.mo
X-WR-CALDESC:Events for Faculty of Science and Technology | University of Macau
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TZID:Asia/Macau
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DTSTART:20220101T000000
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DTSTART;TZID=Asia/Macau:20220425T100000
DTEND;TZID=Asia/Macau:20220425T113000
DTSTAMP:20260520T163050
CREATED:20220422T025931Z
LAST-MODIFIED:20220927T040347Z
UID:20620-1650880800-1650886200@www.fst.um.edu.mo
SUMMARY:Progress and future expectation of regional oceanography research in South China Sea
DESCRIPTION:Instructors/Speakers\nProf. Dongxiao WANG\nDean and Professor\nSchool of Marine Sciences\nSun Yat-sen University\nChina \nAbstract\nSouth China Sea (SCS) is one of the crucial oceanic channels connecting Pacific Ocean and Indian Ocean. It develops a complicated circulation\, and heat and salt variability of SCS could have significant influences on regional climate. This topic will introduce (1) Interannual variation of circulation in the SCS. The intensity of eastward and northward branch of the summer SCS Western Boundary Current (WBC) along the coast of Vietnam showed negative correlation on interannual scale. This variation is mainly affected by the SCS Summer Monsoon and the flux of Luzon Strait. (2) Subsurface layer warming event in the SCS. Extreme warming events had happened many times in subsurface layer\, SCSWBC plays a decisive role in generating and maintaining those extreme warming events. (3) Long-term trend of subsurface salinity in the SCS. Subsurface salinity in the northern SCS had a significant low-frequency variability during the past few decades: it decreased in the 1960s\, then turned to increase from 1975\, and decreased again after 1993. This decadal variation is determined by the combined effects of seawater intrusion through Luzon Strait and regional deep seawater upwelling process. \nFuture progresses may extend in fields below: (1) Mechanism of multi-scale (especially the mesoscale and submesoscale) interaction of the SCS main current system and its influence on the variation of main current system. (2) Mechanism of the SCS deep circulation variability and its relationship with energy in the upper and middle circulation. (3) Pattern and variability of the SCS middle circulation and its dynamical relationship with the upper and middle circulation.  \nBiography\n \nProfessor Dongxiao Wang is the dean of School of Marine Sciences in Sun Yat-sen University. He is also the deputy director of air-sea interaction committee\, Chinese Society for Oceanography\, the committee members of CNC-WCRP\, SIMSEA\, and CLIVAR/IOC‐GOOS (2017-2021). His interest is in the research of tropical ocean circulation dynamics and air-sea interaction. He got awards of National natural sciences award of China (the 2nd) (First Author). He is the chief scientist for National Basic Research Program of China (973 Program)\, National Science Fund for Distinguished Young Scholars\, and so on. He has published more than 300 papers\, and two books named Climatological atlas of physical oceanography in the upper South China Sea\, Ocean circulation variation and air-sea interaction in the tropical Pacific Ocean.
URL:https://www.fst.um.edu.mo/event/progress-and-future-expectation-of-regional-oceanography-research-in-south-china-sea/
LOCATION:E11-G015
CATEGORIES:cee_events,event_list,seminarslectures
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20220425T113000
DTEND;TZID=Asia/Macau:20220425T121500
DTSTAMP:20260520T163050
CREATED:20220422T030638Z
LAST-MODIFIED:20220927T040410Z
UID:20624-1650886200-1650888900@www.fst.um.edu.mo
SUMMARY:The deformation and thermal effect of mesoscale eddy in South China Sea
DESCRIPTION:Instructors/Speakers\nProf. Chunhua QIU\nAssociate Professor\nSchool of Marine Sciences\nSun Yat-sen University\nChina \nAbstract\nMesoscale eddies with spatial resolution of 50-300 km and temporal scales of several weeks carry more than 80% of global ocean kinetic energy，therefore\, they are very important in ocean modeling. South China Sea is fulfilled with mesoscale eddies. We reviewed the observation skills of mesoscale eddies first. Then the deformation of mesoscale eddy was investigated by using observational network. We defined a vortex-deformation index to forecast the deformation trend of mesoscale eddy\, and found the baroclinic instability is the main mechanism of eddy deformation. By using MITgcm model\, we found the eddy advection induced an extreme surface cooling after Tropical cyclone “Bailu”. \n \nBiography\n \nChunhua Qiu is an Associate Professor in School of Marine Sciences\, Sun Yat-sen University. Her interest is in observing and modeling mesoscale-small scale dynamic processes in South China Sea. Her research is mainly supported by the project of National Natural Science Foundation of China\, The National High Technology Research and Development Program of China\, and so on. She publishes more than 30 papers and 1 book of Marine Meteorology. She is the reviewer of Journal of Geophysical Research-Oceans\, Frontiers in Marine Science\, International Journal of Climate\, and so on.
URL:https://www.fst.um.edu.mo/event/the-deformation-and-thermal-effect-of-mesoscale-eddy-in-south-china-sea/
LOCATION:E11-G015
CATEGORIES:cee_events,event_list,seminarslectures
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