AUTHOR=Chen Tao , Chen Zhu , Xie Guojing TITLE=Spatiotemporal analysis of phenological metrics on the Qinghai-Tibet Plateau based on multiple vegetation indices JOURNAL=Frontiers in Environmental Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1489267 DOI=10.3389/fenvs.2024.1489267 ISSN=2296-665X