Decadal basin-wide nitrogen recovery and localized estuarine deterioration in the Bohai Sea revealed by physics-guided spatially adaptive machine learning - Ruiteng Sun; Yuan Li; Longwen Fu; Kun Wang; Jing Yu; Fengshuo Yang; Yanfang Li; Xiaoguang Li; Shichao Tian; Youcai Liu; Dejuan Jiang; Yongming Luo (Journal of Hydrology, 2026)