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Back竹北新月沙灣海岸嚴重侵蝕 一年退縮15公尺 專家籲回歸專業
竹北新月沙灣海岸嚴重侵蝕 一年退縮15公尺 專家籲回歸專業
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自由时报3 hours agoEnvironment2 min readChinaView translation

竹北新月沙灣海岸嚴重侵蝕 一年退縮15公尺 專家籲回歸專業

Quick Look

新竹縣竹北新月沙灣海岸侵蝕嚴重,近一年退縮達15公尺,遠超過去年均2.81公尺。前內政部長李鴻源與海洋大學助理教授邱昱嘉指出,缺乏整體規劃的混凝土網紅景點建設導致海岸線不平衡並加劇浪刷掏空,呼籲政府以專業工程養沙減緩波浪能量,而非政治迷思。新竹縣長參選人徐欣瑩結論強調需長期養沙工程以保留沙灘景觀與生態。

AI-generated summary

Why It Matters

竹北新月沙灣為熱門打卡景點,過去海岸侵蝕年均約2.81公尺,但近年受極端氣候影響海浪增大,侵蝕速度顯著加快。

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新竹縣近來成為熱門打卡景點的竹北新月沙灣,海岸1年竟退縮15公尺!國民黨新竹縣長參選人、立委徐欣瑩今天找來前內政部長李鴻源等學者現勘。李鴻源指出,國內部分海岸建造了極為突兀的混凝土構造物,試圖打造網紅打卡景點,但缺乏整體規劃除造成海岸線極度不平衡,構造物下方更面臨嚴重的浪刷與掏空;針對海岸線退縮與嚴重的沙灘流失問題,他呼籲政府應「回歸專業」,切勿再陷入「建設即硬道理」的政治迷思。

新竹縣議員吳旭智、副議長王炳漢辦公室也出席現勘。海洋大學河海工程學系助理教授邱昱嘉簡報指出,新豐及頭前溪段間的新月沙灣,過去平均每年向內退縮約2.81公尺;然而近4年受極端氣候影響、海浪明顯增大,侵蝕速度暴增,1年退縮高達15公尺,狀況極為嚴峻。

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邱昱嘉指著遠方說,原先位於沙洲上的木樁如今已深陷海中,顯示沙灘正快速消失。造成劇烈掏空的主因,除了夏天海浪垂直衝擊外,冬天東北季風帶來的海浪加上北方三角船澳碼頭結構影響,產生了強烈的「沿岸流」。沿岸流不斷掏空岸邊底部,導致自行車道等既有設施與工程頻頻崩塌。他強調,若要拯救新月沙灣,必須「追本溯源」,透過專業工程有效消減波浪能量,才能從根本減緩海岸侵蝕問題。

李鴻源指出,部分海岸地區建造了極為突兀的混凝土構造物,試圖打造網紅打卡景點,但缺乏整體規劃的下場,不僅造成海岸線極度不平衡,構造物下方更面臨嚴重的浪刷與掏空。若未來僅靠持續燒錢維護,並非長久之計;倘若不採取正確作為,寶貴的沙灘終將消失,讓社會付出慘痛代價。

由於海岸保護與養沙工程涉及新竹縣市、農業部漁業署及經濟部水利署等跨領域機關,事權分散且政治環境複雜。李鴻源強調,台灣長期以來「政治太多、專業太少」,各界應擺脫藍綠思維與政績迷思。中央與地方政府應共同坐下來進行總體檢討,優先以海岸保護與恢復沙灘平衡為目標,透過專業評估來解決海岸危機,還給民眾一片美麗且永續的天然海岸。

徐欣瑩結論指出,因受海浪與沿岸流持續沖刷影響,竹北熱門景點新月沙灣海岸線退縮情況不斷加劇。為了保障安全,並落實海岸防護與沙灣維護,她特地邀請專家現勘,並舉辦治水座談會。

徐欣瑩表示,經諮詢專家意見,新月沙灣必須採取長期的「養沙」工程。未來將透過專業工法擋住海浪與沿岸流對沙灣的衝擊,並主動且持續地補沙,才能徹底減緩侵蝕危機,保留珍貴的沙灘景觀與海岸生態。

What to Watch

AI outlook — possibilities, not facts

  • 新竹縣政府將在專家評估後啟動新月沙灣養沙工程

    Likely · Within months

  • 中央政府將檢討濱海開發審核機制以防止類似無規劃景點建設

    Possible · Within months

Open Questions

  • 具體養沙工程的預算與時間表是什麼?
  • 中央與地方政府在海岸保護上的分工與協調機制將如何運作?
  • 現有違規濱海景點將如何處理或拆除?

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