Utilizing inactive storage in a dam reservoir during extreme drought periods Hongjun Joo, Donghyun Kim, Jaewon Kwak, Wonjoon Wang, Younghoon You and Hung Soo Kim E3S Web Conf., 346 (2022) 01015 Published online: 23 May 2022 DOI: 10.1051/e3sconf/202234601015