AUTHOR=Dong Yang , Wang Ren , Liang Jinqiang , He Yulin , Ren Jinfeng , Shi Wanzhong , Wei Xiaosong , Du Hao , Xie Xiangyang , Busbey Arthur B. TITLE=Orbital cycle records in shallow unconsolidated sediments: implications for global carbon cycle and hydrate system evolution in deep-sea area sediments of the Qiongdongnan Basin JOURNAL=Frontiers in Marine Science VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2024.1525477 DOI=10.3389/fmars.2024.1525477 ISSN=2296-7745