（八）試以地形系統的概念，分析屏東平原南部林邊溪流域的土地利用與淹水問題。（12 分）（地形系統分析至少需論及兩種以上的地形作用）

（三）本題為英文試題，請以中文詳答。 A severe meteorological disaster impacted the Pacific Northwest of the United States and western Canada during late June 2021. The following information shows the regional temperature change and the weather maps. Please summarize and analyze the causes and possible effects of this phenomenon. （summarize the causes：3 marks analyze the causes：8 marks possible effects：4 marks）