El Niño–Southern Oscillation and internal sea surface temperature variability in the tropical Indian Ocean since 1675. - Leupold, Maike; Pfeiffer, Miriam; Watanabe, Takaaki K.; Reuning, Lars; Garbe-Schönberg, Dieter; Shen, Chuan-Chou; Brummer, Geert-Jan A. (Climate of the Past, 2021)