Marine heatwaves are periods of sustained abnormal warmth that can damage ecosystems and impact human activities. The 2023 North Atlantic marine heatwave occurred in the summer months and was ...

Waters around New Zealand’s South Island are as much as 6 degrees Celsius (42.8 degrees Fahrenheit) warmer than normal due to climate change, the weather phenomenon La Nina and a series of high ...

こうした海の温暖化に伴って、海水温が数日から数年間にわたって上昇する現象を「海洋熱波」（Marine Heatwave）といい、発生する頻度が1980年代以降ほぼ倍増している。