Soil Sr, Mg, Ca in upstream watersheds of the Guanting and Miyun Reservoirs as climate indicators
ZHANG Chenggang, WEI Jing, ZHANG Yutao, WANG Ran, HOU Zhaoshuo, ZHAO Jingxuan, ZHANG Xinran
Earth Science Frontiers . 2023, (6): 485 -492 .  DOI: 10.13745/j.esf.sf.2022.12.70