Using stable isotopes in water vapor to identify the onset date of the East Asian summer monsoon over the Loess Plateau - Yujiao Zhang; Yudong Shi; Shengjie Wang; Hayoung Bong; Kei Yoshimura; Shijun Lei; Meng Xing; Yinmei Yang; Jianwen Zhao; Mingjun Zhang (Journal of Hydrology, 2026)