Environmental Impact Assessment of Deep Pit Project in floodplain near Yangtze Li Anyun, Li Yan, Gao Shiyu, Zhao Xiaopeng, Wang Jian and Song Xiangdong E3S Web Conf., 136 (2019) 04083 Published online: 10 December 2019 DOI: 10.1051/e3sconf/201913604083