Japan Geoscience Union Meeting 2023

Presentation information

[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-CG Complex & General

[A-CG31] Nutrient footprint of primary production in the coastal and marginal seas of East and Southeast Asia

Sun. May 21, 2023 1:45 PM - 3:15 PM 106 (International Conference Hall, Makuhari Messe)

convener:JING ZHANG( Faculty of Science, Academic Assembly), Akihiko Morimoto(Ehime University), Qian Liu(Ocean University of China), Takahiro Endoh(RIAM Research Institute for Applied Mechanics), Chairperson:JING ZHANG(Faculty of Science, Academic Assembly)

3:00 PM - 3:15 PM

[ACG31-05] THE IMPACTS OF CLIMATE CHANGE ON MARINE PRODUCTIVITY IN WEST PACIFIC REGIONAL SEAS: AN OVERVIEW

*NUR HIDAYAH ROSELI1, WINFRED MARSHAL1, MOHD FADZIL AKHIR1 (1.UNIVERSITI MALAYSIA TERENGGANU)

Keywords:Future Changes, Marine Productivity, Western Pacific Region, Climate Change

Marine habitats and the socioeconomic structure that rely between them are significantly impacted by natural or human-driven global climate change. In addition, to controlling climate, offering wealth for humanity, and altering global economic growth, the ocean's biogeochemistry plays an important role. With a focus on the regional seas of the West Pacific Region, this review offers knowledge on how ocean biogeochemical variations may likely develop in the future due to climate change. Marine physical modifications triggered by human-caused pollution are detectable. It is particularly fascinating to note that Mixed Level Depth (MLD) alterations can modify nutrient and light conditions, affecting primary productivity and phytoplankton blooms. Several analyses of the variations in marine primary production in the East China Sea (ECS) have revealed that Chl-a concentrations in the ECS from 2000 to 2010 were higher than those from 1979 to 1999 and that from 1979 to 2010, the average concentration of Chl-a increased by 1.28 mg m-3. Due to the essential role that oceans play in climate change, our ability to quantify the changes that are occurring and our understanding of how ocean processes affect the climate are severely lacking. By exploring the ecological and sociological consequences of ocean biogeochemical transition, environmental analyses might offer a fuller explanation of how altering ocean environment functions may influence individual human welfare. Here, the summary of these changes was covered with an emphasis on some that are projected to influence how individuals and ecosystems function.