為什麼今天高雄空氣差 - 高雄
By Susan
at 2021-12-15T13:47
at 2021-12-15T13:47
Table of Contents
※ 引述《skylion (溫暖的傳說)》之銘言:
: 本來在想
: 台灣為什麼今年空氣有變好
: 但今天又變成以前的樣子了
: 搭配之前中國低頭買澳洲煤的新聞
: 看起來似乎真的是中國善意來很多
: https://i.imgur.com/7sMJUwN.png
: 但台中還是ok
: 台中以南都很慘
: 按照經驗 接下來那團紫色的
: 會一路往南 堆在高雄
: 有沒有對空氣有研究的板友
: 討論一下為何之前空氣ok
: 但今天又不佳了呢?
: 謝謝
原因很簡單就是東北風減弱了,風不夠強,擴散條件太差,所以今天特別差
台灣本身就是高空污的地方,就是得靠風來改善空污,夏天空氣好就是靠南風所以每年五月到十月,幾乎是良好,pm2.5幾乎都個位數
但十月開始南風減弱,就得靠東北風來改善空污環境
原po說中國境外造成,我們也不要辯,用你的圖來看就好,金門馬祖澎湖的顏色都還是不錯的,台灣本島就特別高,難道空污會跳過金門馬祖澎湖,還是會轉彎?
大家應該有感覺到今天特別熱,就是東北風減弱的關係,風不夠強,自然不冷就變熱,也吹不走空污
但話說回來,今年這樣觀察下來,今年入秋到今天的空污,其實比往年不嚴重,大部分但還在黃標附近
原因無他就是今年東北風有比往年強一點,所以擴散條件有比較好
東北風減弱,相對的有可能就會吹南風,晚一點也許會吹一點南風,來改善一點,不過就會更熱一點
高雄的空污是既定存在的事實,一個臨海工業區就有800支大型煙囪,產值也都上兆了,你也不可能叫他停工,唯一只能祈禱靠風吹強一點了
另外台灣70%靠燃煤發電,這也是很難去改變的,而高雄是綜合多種重工業和地形等多項不利因素,高雄人的宿命就是如此
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Tags:
高雄
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