AUTHOR=Guan Mingfu , Liang Qiuhua , Hou Jingming TITLE=Editorial: Smart Approaches to Predict Urban Flooding: Current Advances and Challenges JOURNAL=Frontiers in Earth Science VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.681751 DOI=10.3389/feart.2021.681751 ISSN=2296-6463