The Role of Seasonal Water Stratification in Microplastic Dynamics

Research Project

Project/Area Number	25K03259
Research Category	Grant-in-Aid for Scientific Research (B)
Allocation Type	Multi-year Fund
Section	一般
Review Section	Basic Section 63010:Environmental dynamic analysis-related
Research Institution	Japan Agency for Marine-Earth Science and Technology
Principal Investigator	Zhao Shiye 国立研究開発法人海洋研究開発機構, 地球環境部門(海洋生物環境影響研究センター), 副主任研究員 (80936807)
Co-Investigator(Kenkyū-buntansha)	中嶋亮太国立研究開発法人海洋研究開発機構, 地球環境部門(海洋生物環境影響研究センター), グループリーダー (20546246) 林靖人国立研究開発法人海洋研究開発機構, 経済安全保障重要技術育成プログラム統括プロジェクトチーム, 特任研究員 (71011904) Lindsay Dhugal 国立研究開発法人海洋研究開発機構, 超先鋭研究開発部門(超先鋭研究開発プログラム), 主任研究員 (80344282)
Project Period (FY)	2025-04-01 – 2029-03-31
Project Status	Granted (Fiscal Year 2025)
Budget Amount *help	¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000) Fiscal Year 2028: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000) Fiscal Year 2027: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000) Fiscal Year 2026: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000) Fiscal Year 2025: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Keywords	Microplastics / Pycnocline
Outline of Research at the Start	Our research explores: 1) Variations in microplastic distribution within and outside stratified layers; 2) Sinking fluxes under different stratification intensities; 3) Sinking speeds and cohesive strengths of microplastic-aggregates; 4) Genetic traits of microplastic-aggregates