Seawater chemical parameters in April 2023 in the Bohai and Yellow Seas

This data supports the article "Acidification state and interannual variability in marginal sea: A case study of the Bohai and the Yellow Seas surface waters in April 2023". The data was collected from April 12 to April 28, 2023, by R/V Blue Ocean 101, covering a total of 46 stations. Parameters measured include surface and bottom temperature, salinity, pH (Total scale), TA, DIC, Ωarag, NO3-, PO43-, NO2-, NH4+, SIO3-, DO, DO%, Chl-a, and other related parameters. Additionally, this dataset includes data for correlation analysis.