AUTHOR=Cao Lu , Li Su , Zhang Shuwei , Wu Ning , Zhang Keke , Li Wenqing , Ma Ran , Chu Dongzhi , Wang Ni , Liu Yan TITLE=Buoy-based monitoring of sea surface carbon dioxide partial pressure at Qingdao coastal area JOURNAL=Frontiers in Marine Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1496359 DOI=10.3389/fmars.2025.1496359 ISSN=2296-7745