AUTHOR=Ji Dong , Hou Jing , Cheng Zhiliang , Wei Shuai , Zhai Yue , Li Wenhao TITLE=Construction and application of multi-scale 3D geological models: an example from Qingdao City, China JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1435824 DOI=10.3389/feart.2024.1435824 ISSN=2296-6463