AUTHOR=Ji Xinyuan , Xu Chunqiang , Li Wenrui , Wang Qiming , Hu Hewei TITLE=A quantitative coupling degree model for source-to-sink (S2S) system through entropy weight-coupling theory: a case study of the Chengbei Low Uplift area, offshore Bohai Bay Basin, Eastern China JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1511226 DOI=10.3389/feart.2025.1511226 ISSN=2296-6463