AUTHOR=Xiaojuan Qiao , Baoling Li , Kai Liu , Xinyu Chai , Wenjin Yu 

TITLE=Hydrochemical characteristic and karst development in typical karst spring area, Northern China

JOURNAL=Frontiers in Environmental Science

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1494730

DOI=10.3389/fenvs.2024.1494730

ISSN=2296-665X