Hotspot regions of reactive oxygen species production and their environmental impacts in periodically flooded soil environments: A review - Xing Liu; Yvjie Xie; Paul N. Williams; Baoying Wang; Haiyi Chen; Xiaotong Li; Li Zhang; Leyi Wang; Junjun Liu; Yingxin Wu; Jun Luo (Critical Reviews in Environmental Science and Technology, 2025)