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利用地理資訊系統評估台南安順污染廠址周圍之土壤污染

Identification of Soil Contamination in AnShen Using a Geographic Information System

摘要


目標:台南安順地區土壤被嚴重污染,主要的污染源包括戴奧辛、汞及五氯酚(PCP)。本研究利用地理資訊系統的空間插值法分析該地區之土壤及魚塭底泥採樣資料,並預測在安順廠區附近戴奧辛及汞的污染範圍及嚴重程度。方法:本研究是利用檢測不同克利金法(Kriging)以選擇最佳的模式,最佳模式之選取是以最小標準預測誤差(SPE, Standardized Prediction Error)及最小均方根標準誤差(RMSS, Root Mean Square Standardized Error)做為檢驗之標準。結果:基於上述之方法,所選取出來的最佳預測模型分別為:戴奧辛-通用克利金球面模型(Dioxin-Universal Kriging spherical model)、汞-一般克利金指數模型(Mercury - Ordinary Kriging exponential model)。結論:研究結果與環境保護署之檢測資料相符,但由此研究提供更多的訊息以利政府迅速清理污染地區之參考。更多的資料及更好的GIS方法會得到更佳的預測結果。

並列摘要


In a ”superfund site” in Tainan City, Taiwan, soils are heavily polluted. Major pollutants include pentachlorophenol, dioxin, and mercury. The current study used a geographic information system (GIS) spatial interpolation method to analyze soil and sediment samples in this area and estimate the range and severity of pollution in areas in the An-Shun ”superfund site” with respect to dioxin and mercury. Methods: Different Kriging methods were used to select the best model, based on the smallest standardized prediction (SPE) and root mean square standardized (RMSS) errors. Results: The Universal Kriging with Spherical and the Ordinary Kriging with Exponential models were shown to be the best models for estimating dioxin and mercury levels, respectively. Discussion: Our results confirmed the monitoring data generated by the Taiwan EPA and provide additional information to aid in targeting areas in need of immediate clean-up action. Better simulation results are expected as more data and better GIS methodologies become available.

被引用紀錄


林春伶(2014)。應用GIS估算不同類型土壤有機碳儲存量-以屏東縣九如鄉為例〔碩士論文,國立屏東科技大學〕。華藝線上圖書館。https://doi.org/10.6346/NPUST.2014.00158
馮彧(2015)。以土壤特性評估蔬菜鎘含量〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2015.01839
陳韋如(2013)。以克利金法增進應變叢集土壤調查採樣之效率 -以桃園污染區為例〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2013.00661
賴銘峰(2011)。應用GIS於集水區降雨空間特性之研究-以陳有蘭溪為例〔碩士論文,朝陽科技大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0078-2611201410141882

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