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Application Laboratory

Report of the 3rd Workshop on Southern Hemisphere Ocean and Climate Variability

Date & Time: 6 September 2021, 10:00–15:40
Venue: Zoom
Participants: About 30

The Application Laboratory, JAMSTEC, hosted an annual workshop online with the Marine Science and Numerical Modeling group of the First Institute of Oceanography, Qingdao, China, on 6 September 2021. There were ten talks, whose topics included the Indonesian Throughflow, Indian Ocean circulation, application of machine learning on socioeconomic impacts of ocean circulation, Atlantic circulation and biology, vertical mixing in the Southern Ocean, global mixed-layer-depth distribution, and the long-term trend in the thermocline salinity in the eastern North Pacific. During the workshop, we identified several areas of potential collaboration.

This was the third year. In the first year the workshop was held in Qingdao but the next and this year it was held online because of the pandemic. We hope the fourth workshop will be held in person in Yokohama.


10:00–10:10: Welcome remarks by Dr Behera, director of the Application
Laboratory, and by Dr Wei, deputy director general of FIO.
Session 1 (Chair: Ryo Furue)

Tengfei Xu: “South China Sea water transport to the Indonesian seas and its potential
influence on the southeastern tropical Indian Ocean”

Takanori Horii: ”Coastal upwelling events along the southern coasts of Sumatra and Java”

Xunwei Nie: “Indian Ocean Subtropical Underwater and the Interannual Variability in its
Annual Subduction Rate Associated with the Southern Annular Mode”

11:10–11:30: Break

Patrick Martineau: “Early warning predictions of socioeconomic impacts from oceanic
variability with machine learning: an application to malaria outbreaks in South Africa”
Session 2 (Chair: Dr. Xu Tengfei)

Yu-Lin (Eda) Chang: “New clues on the Atlantic eels spawning behavior and area: The
Mid-Atlantic Ridge Hypothesis”

Hao Liu: “The discrepancy of North Brazil Undercurrent among high-resolution models”

12:30–13:30: Lunch break
Session 2, continued

Ingo Richter: “Recent resurgence of equatorial Atlantic variability”

Shanshan Jin: “Simulated mixed layer depth in CMIP5 and CMIP6”

Ying Li: “Spatial and Temporal Variability of Diapycnal Mixing in the Antarctic Circumpolar
Current during 2008-2018”

Tomomichi Ogata: “Mechanisms of Long-Term Variability and Recent Trend of Salinity Along

14:50–15:00: Closing remarks by Dr Kawano, executive director (science) of
JAMSTEC, and Dr Wei, deputy director general of FIO.

15:00–15:10: Short break

15:10–15:40: Business discussion (Chair: Dr Dai Dejun, deputy director of
the Key Laboratory of Marine Science and Numerical Modeling, FIO)