1. 国家自然科学基金委员会，专项项目，42141001，中国海碳源汇格局、清单及不确定性，2022-01至2025-12，298万元，在研，参加

2. 中国科学院海洋研究所，“科学”号高端用户项目，KEXUE2020G07，西北太平洋复杂流系海洋酸化过程对大气CO2升高的差异化响应，2021-01至2021-12，20万元，已结题，主持

3. 国家重点研发计划“全球变化及应对”重点专项，课题，2020YFA0608301，近海生态系统呼吸与脱氧过程调控机制，2020-11至2025-10，180万元，在研，主持

4. 山东省自然科学基金，面上项目，ZR2018MD019，渤海夏季底层缺氧酸化的发展进程及其与营养盐动态之间的关系，2018-03至2021-06，13万元，已结题，主持

5. 国家自然科学基金委员会，重大研究计划重点支持项目，91751207，微生物对近海典型海域碳源汇的调节机制及其环境效应，2018-01至2021-12，320万元，已结题，参加

6. 国家重点研发计划“全球变化及应对”重点专项，课题，2016YFA0601103，关键区域海洋碳库变动对全球变化的响应特征与机理，2016-07至2021-06，460万元，已结题，参加

7. 海洋公益性行业科研专项，子任务，201505003-4，陆源入海碳通量卫星遥感长时间序列监测与评估，2015-01至2018-12，204万元，已结题，主持

8. 国家自然科学基金委员会，面上项目，41276061，中国北方海域近海酸化的时空变异及调控——典型海域比较，2013-01至2016-12，82万元，已结题，主持

1. Chen, Z.-Y., *Zhai, W.-D., Yang, S., Zhang, Y., Liu, P.-F., 2022. Exploring origin of oxygen-consuming organic matter in a newly developed quasi-hypoxic coastal ocean, the Bohai Sea (China): A stable carbon isotope perspective. Science of the Total Environment, 837: 155847. https://doi.org/10.1016/j.scitotenv.2022.155847

2. Guo, C.-C., Yang, S., *Zhai, W.-D., Niu, Y., Liu, C.-L., 2022. Biological-physical oceanographic coupling influencing particulate organic matter in the South Yellow Sea. Frontiers in Marine Science, 9: 919423. https://doi.org/10.3389/fmars.2022.919423

3. Yu, S.-Q., Xiong, T.-Q., *Zhai, W.-D., 2022. Quasi-synchronous accumulation of apparent oxygen utilization and inorganic carbon in the South Yellow Sea cold water mass from spring to autumn: The acidification effect and roles of community metabolic processes, water mixing, and spring thermal state. Frontiers in Marine Science, 9: 858871. https://doi.org/10.3389/fmars.2022.858871

4. Li, C.-L., *Zhai, W.-D., Qi, D., Zhang, L.-L., Zheng, L.-W., Zhang, Y., 2022. Anthropogenic CO2 in the Philippine Sea, northwestern Pacific: Distribution, storage, and decadal variations. Progress in Oceanography, 207: 102873. https://doi.org/10.1016/j.pocean.2022.102873

5. Li, C.-L., Han, L., *Zhai, W.-D., Qi, D., Wang, X.-C., Lin, H.-M., Zheng, L.-W., 2022. Storage and redistribution of anthropogenic CO2 in the western North Pacific: The role of Subtropical Mode Water transportation. Fundamental Research, online published on 13 May 2022. https://doi.org/10.1016/j.fmre.2022.05.001

6. Li, C.-L., *Zhai, W.-D., *Qi, D., 2022. Unveiling controls of the latitudinal gradient of surface pCO2 in the Kuroshio Extension and its recirculation regions (northwestern North Pacific) in late spring. Acta Oceanologica Sinica (English Edition), 41(5): 110–123. http://www.aosocean.com/article/doi/10.1007/s13131-021-1949-1

7. Li, C.-L., Yang, D.-Z., *Zhai, W.-D., 2022. Effects of warming, eutrophication and climate variability on acidification of the seasonally stratified North Yellow Sea over the past 40 years. Science of the Total Environment, 815: 152935. https://doi.org/10.1016/j.scitotenv.2022.152935

8. Li, C.-L., *Zhai, W.-D., 2021. Mechanism-based deduction of subsurface aragonite saturation state in a semi-enclosed and seasonally stratified coastal sea. Marine Chemistry, 232: 103958. https://doi.org/10.1016/j.marchem.2021.103958

9. Wang, S.-Y., *Zhai, W.-D., 2021. Regional differences in seasonal variation of air–sea CO2 exchange in the Yellow Sea. Continental Shelf Research, 218: 104393. https://doi.org/10.1016/j.csr.2021.104393

10. Zheng, L.-W., *Zhai, W.-D., 2021. Excess nitrogen in the Bohai and Yellow seas, China: Distribution, trends, and source apportionment. Science of the Total Environment, 794: 148702. https://doi.org/10.1016/j.scitotenv.2021.148702

11. Zheng, L.-W., *Zhai, W.-D., Wang, L.-F., Huang, T., 2020. Improving the understanding of central Bohai Sea eutrophication based on wintertime dissolved inorganic nutrient budgets: Roles of North Yellow Sea water intrusion and atmospheric nitrogen deposition. Environmental Pollution, 267: 115626. https://doi.org/10.1016/j.envpol.2020.115626

12. Xiong, T.-Q., Wei, Q.-S., *Zhai, W.-D., Li, C.-L., Wang, S.-Y., Zhang, Y.-X., Liu, S.-J., Yu, S.-Q., 2020. Comparing subsurface seasonal deoxygenation and acidification in the Yellow Sea and northern East China Sea along the north-to-south latitude gradient. Frontiers in Marine Science, 7: 686. https://doi.org/10.3389/fmars.2020.00686

13. Xiong, T.-Q., Liu, P.-F., *Zhai, W.-D., Bai, Y., Liu, D., Qi, D., Zheng, N., Liu, J.-W., Guo, X.-H., Cheng, T.-Y., Zhang, H.-X., Wang, S.-Y., He, X.-Q., Chen, J.-F., Li, R., 2019. Export flux, biogeochemical effects, and the fate of a terrestrial carbonate system: From Changjiang (Yangtze River) Estuary to the East China Sea. Earth and Space Science, 6(11): 2115–2141. https://doi.org/10.1029/2019EA000679

14. *Zhai, W.-D., Zhao, H.-D., Su, J.-L., Liu, P.-F., Li, Y.-W., Zheng, N., 2019. Emergence of summertime hypoxia and concurrent carbonate mineral suppression in the central Bohai Sea, China. Journal of Geophysical Research: Biogeosciences, 124(9): 2768–2785. https://doi.org/10.1029/2019JG005120

15. Zhai, W.-D., 2018. Exploring seasonal acidification in the Yellow Sea. Science China Earth Sciences, 61(6): 647–658. https://doi.org/10.1007/s11430-017-9151-4

16. *Zhai, W.-D., Yan, X.-L., Qi, D., 2017. Biogeochemical generation of dissolved inorganic carbon and nitrogen in the North Branch of inner Changjiang Estuary in a dry season. Estuarine, Coastal and Shelf Science, 197: 136–149. https://doi.org/10.1016/j.ecss.2017.08.027

17. *Zhai, W.-D., Zhao, H.-D., 2016. Quantifying air-sea re-equilibration-implied ocean surface CO2 accumulation against recent atmospheric CO2 rise. Journal of Oceanography, 72(4): 651–659. https://doi.org/10.1007/s10872-016-0350-8

18. *Zhai, W.-D., Zang, K.-P., Huo, C., Zheng, N., Xu, X.-M., 2015. Occurrence of aragonite corrosive water in the North Yellow Sea, near the Yalu River estuary, during a summer flood. Estuarine, Coastal and Shelf Science, 166: 199–208. https://doi.org/10.1016/j.ecss.2015.02.010

19. *Zhai, W.-D., Chen, J.-F., Jin, H.-Y., Li, H.-L., Liu, J.-W., He, X.-Q., Bai, Y., 2014a. Spring carbonate chemistry dynamics of surface waters in the northern East China Sea: Water mixing, biological uptake of CO2, and chemical buffering capacity. Journal of Geophysical Research: Oceans, 119(9): 5638–5653. https://doi.org/10.1002/2014JC009856

20. *Zhai, W.-D., Zheng, N., Huo, C., Xu, Y., Zhao, H.-D., Li, Y.-W., Zang, K.-P., Wang, J.-Y., Xu, X.-M., 2014b. Subsurface pH and carbonate saturation state of aragonite on the Chinese side of the North Yellow Sea: seasonal variations and controls. Biogeosciences, 11: 1103–1123. https://doi.org/10.5194/bg-11-1103-2014