Long-Term Observation of the Soya Warm Current Combining HF Ocean Radars with Coastal Tide Gauges and Satellite Altimetry. - Naoto Ebuchi; Yasushi Fukamachi; Kay I. Ohshima; Toru Takatsuka; Humio Mitsudera; Jun Nishioka; Kazuya Ono; Masao Ishikawa; Takaharu Daibo; K. Shiwasawa; Masaaki Wakatsuchi (IGARSS, 2023)