Modeling and Simulation of Flow through The Construction of River Cover Embankment: Case Study of Sei Wampu Weir, Langkat Regency, IndonesiaElma Yulius, Fanis Setiawan, Sri Nuryati and Anita Setyowati Srie GunartiE3S Web Conf., 500 (2024) 02003DOI: https://doi.org/10.1051/e3sconf/202450002003