Tens of thousands of salmon died in Northern California's Klamath River in 2002 when the water temperature got to high for them.
数万大马哈鱼在2002年死于北加利福尼亚洲的克拉马斯河中，当时河水温度对它们而言过高了。
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Back in 1996, Haigh showed that the temperature of the stratosphere influences the passage of the jet stream, the high-altitude river of air passing from west to east across Europe.
The study suggests that the cause of these temperature changes was the expansion of the width of the Yangtze River and the formation of the dam's reservoir.