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September 28, 2023
紐約要聞

研究: 紐約市正在下沉 皇后區兩地點最嚴重

當世界各地的海平面正在上升的同時,紐約市正在下沉,這可能會加劇該地區的洪水災害。

根據美國太空總署噴射推進實驗室和羅格斯大學地球與行星科學系週三在《科學》雜誌上發表的一項研究,研究人員發現,紐約市正在以每年約 1.6 毫米的速度下沉。

他們利用乾涉合成孔徑雷達 (InSAR) 和全球導航衛星系統的新技術進行模擬,以確定正在快速下沉的「熱點」。

研究顯示,從 2016 年到 2023 年,紐約市垂直地面運動最快的區域是拉瓜地亞機場和美網公開賽的舉辦地亞瑟艾許體育場,兩者均位於皇后區。除此之外,在紐約市以外,440 號高速公路和 78 號州際公路的下沉速度比周邊地區更快。

值得注意的是,所有下沉的區域在過去都曾被用作垃圾掩埋場,例如拉瓜地亞機場週邊地區在 1930 年代和 1940 年代曾被用作垃圾掩埋場。

研究指稱,土地下沉的和氣候變遷的並沒有直接關連,然而這些地區未來將更容易受到海平面上升,所帶來的洪水影響。

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