AUTHOR=Wei Chuanjie , Tang Xiaohui , Ge Kai , Xu Anqi , Li Yuanlong , Jiang Yong , Rong Zengrui , Yu Fei TITLE=Observed seasonal evolution and origins of the western Yellow Sea Cold Water Mass JOURNAL=Frontiers in Marine Science VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1556069 DOI=10.3389/fmars.2025.1556069 ISSN=2296-7745