AUTHOR=He Wei , Hur Jin , Chen Meilian , Zhang Peng , Semenov Petr TITLE=Editorial: Environmental biogeochemical behaviors of humic substances and their effects in the hydrosphere JOURNAL=Frontiers in Environmental Science VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2022.1101196 DOI=10.3389/fenvs.2022.1101196 ISSN=2296-665X