Spots:澎湖群島90座 不只傳說64座20051217


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Revision as of 13:35, 28 June 2007

澎湖群島90座 不只傳說64座

衛星影像分析 有人島共19座 統籌分配款 應增200萬 中央將修教科書

記者肇瑩如/澎湖縣報導

  澎湖縣政府昨天發表「澎湖群島島嶼數量清查報告」,指日據時代測得澎湖有六十四座島嶼並不正確,根據衛星影像圖分析,澎湖縣共有九十座島嶼,其中有人島十九座,多達六十四座無人島尚未登錄。

  縣府表示,正確島嶼數已呈報內政部核備,並將修正教科書記載。不過,這項調查被澎湖部分文史工作者質疑有瑕疵。

  主持這項計畫的澎縣地政局長蔡俊哲說,這項發現使得澎湖島嶼總面積從日據時代測量的一百廿六點八六四平方公里,增為一百四十一點零五二平方公里,若根據中央統籌分配款依縣市人口及面積做為核撥標準,澎湖縣依規定應可多獲撥約兩百萬元。

  澎湖縣有六十四座島嶼之說,源自大正五到八年測得的澎湖島嶼數,澎湖縣政府沿用至今,不過澎湖縣最近大力爭取名列世界遺產及國家地質公園,島嶼數引發質疑,縣議員李添進建議應做總清查。

  澎湖縣政府於是與高雄應用科技大學教授李良輝、成功大學教授曾清←合作調查,以福爾摩沙二號及法國SPOT5號衛星於去年拍攝的衛星影像為主,進行多光譜分析儀判讀,輔以聯勤總部及海軍大氣海洋局海圖計算,清查出總計有九十座島嶼。

  蔡俊哲說,這項調查引用的島嶼定義,來自聯合國海洋法公約中「島嶼,係指在自然狀況下,四面環水,並且在最高潮線時,仍露出水面的陸塊」界定。

  經清查統計,澎湖群島經緯度位於北緯廿三度十二分到廿三度四十七分、東經一百十九度十九分到一百十九度四十三分,極東、極西及南島維持查母嶼、花嶼及七美嶼不變,極北點則從目斗嶼改為大蹺嶼;島嶼海拔最高為大貓嶼七十公尺,已經消失的島嶼有測天島及白沙鄉尖嶼,這兩座島已分別與澎湖本島及白沙島相連。

  澎湖縣政府前顧問林長興說,縣府引用衛星圖拍攝時間是平均潮,更嚴謹的作法應是依據海水最滿潮,而且縣府計算島嶼標準交代不清,例如屈爪嶼被算成三個,而原來有大小島的查某嶼卻只計一個,在這些疑點未弄清前,他認為這份報告只能當參考。


資料來源:【2005-12-17/聯合報/A5版/話題】