Trends of significant wave height and sea level in the southern water of the Special Region of YogyakartaMartono, Indah Susanti, Bambang Siswanto, Amalia Nurlatifah, Mamat Suhermat and Edy MaryadiE3S Web Conf., 200 (2020) 02025DOI: https://doi.org/10.1051/e3sconf/202020002025